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// Copyright 2021 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the empecific language governing permissions and
// limitations under the License.
#include "src/tint/resolver/const_eval_test.h"
#include "src/tint/utils/result.h"
using namespace tint::number_suffixes; // NOLINT
using ::testing::HasSubstr;
namespace tint::resolver {
namespace {
struct Case {
Case(utils::VectorRef<Value> in_args, utils::VectorRef<Value> expected_values)
: args(std::move(in_args)),
expected(Success{std::move(expected_values), CheckConstantFlags{}}) {}
Case(utils::VectorRef<Value> in_args, std::string expected_err)
: args(std::move(in_args)), expected(Failure{std::move(expected_err)}) {}
/// Expected value may be positive or negative
Case& PosOrNeg() {
Success s = expected.Get();
s.flags.pos_or_neg = true;
expected = s;
return *this;
}
/// Expected value should be compared using EXPECT_FLOAT_EQ instead of EXPECT_EQ.
/// If optional epsilon is passed in, will be compared using EXPECT_NEAR with that epsilon.
Case& FloatComp(std::optional<double> epsilon = {}) {
Success s = expected.Get();
s.flags.float_compare = true;
s.flags.float_compare_epsilon = epsilon;
expected = s;
return *this;
}
struct Success {
utils::Vector<Value, 2> values;
CheckConstantFlags flags;
};
struct Failure {
std::string error;
};
utils::Vector<Value, 8> args;
utils::Result<Success, Failure> expected;
};
static std::ostream& operator<<(std::ostream& o, const Case& c) {
o << "args: ";
for (auto& a : c.args) {
o << a << ", ";
}
o << "expected: ";
if (c.expected) {
auto s = c.expected.Get();
if (s.values.Length() == 1) {
o << s.values[0];
} else {
o << "[";
for (auto& v : s.values) {
if (&v != &s.values[0]) {
o << ", ";
}
o << v;
}
o << "]";
}
o << ", pos_or_neg: " << s.flags.pos_or_neg;
o << ", float_compare: " << s.flags.float_compare;
} else {
o << "[ERROR: " << c.expected.Failure().error << "]";
}
return o;
}
using ScalarTypes = std::variant<AInt, AFloat, u32, i32, f32, f16>;
/// Creates a Case with Values for args and result
static Case C(std::initializer_list<Value> args, Value result) {
return Case{utils::Vector<Value, 8>{args}, utils::Vector<Value, 2>{std::move(result)}};
}
/// Creates a Case with Values for args and result
static Case C(std::initializer_list<Value> args, std::initializer_list<Value> results) {
return Case{utils::Vector<Value, 8>{args}, utils::Vector<Value, 2>{results}};
}
/// Convenience overload that creates a Case with just scalars
static Case C(std::initializer_list<ScalarTypes> sargs, ScalarTypes sresult) {
utils::Vector<Value, 8> args;
for (auto& sa : sargs) {
std::visit([&](auto&& v) { return args.Push(Val(v)); }, sa);
}
Value result = Val(0_a);
std::visit([&](auto&& v) { result = Val(v); }, sresult);
return Case{std::move(args), utils::Vector<Value, 2>{std::move(result)}};
}
/// Creates a Case with Values for args and result
static Case C(std::initializer_list<ScalarTypes> sargs,
std::initializer_list<ScalarTypes> sresults) {
utils::Vector<Value, 8> args;
for (auto& sa : sargs) {
std::visit([&](auto&& v) { return args.Push(Val(v)); }, sa);
}
utils::Vector<Value, 2> results;
for (auto& sa : sresults) {
std::visit([&](auto&& v) { return results.Push(Val(v)); }, sa);
}
return Case{std::move(args), std::move(results)};
}
/// Creates a Case with Values for args and expected error
static Case E(std::initializer_list<Value> args, std::string err) {
return Case{utils::Vector<Value, 8>{args}, std::move(err)};
}
/// Convenience overload that creates an expected-error Case with just scalars
static Case E(std::initializer_list<ScalarTypes> sargs, std::string err) {
utils::Vector<Value, 8> args;
for (auto& sa : sargs) {
std::visit([&](auto&& v) { return args.Push(Val(v)); }, sa);
}
return Case{std::move(args), std::move(err)};
}
using ResolverConstEvalBuiltinTest = ResolverTestWithParam<std::tuple<builtin::Function, Case>>;
TEST_P(ResolverConstEvalBuiltinTest, Test) {
Enable(builtin::Extension::kF16);
auto builtin = std::get<0>(GetParam());
auto& c = std::get<1>(GetParam());
utils::Vector<const ast::Expression*, 8> args;
for (auto& a : c.args) {
args.Push(a.Expr(*this));
}
auto* expr = Call(Source{{12, 34}}, builtin::str(builtin), std::move(args));
GlobalConst("C", expr);
if (c.expected) {
auto expected_case = c.expected.Get();
ASSERT_TRUE(r()->Resolve()) << r()->error();
auto* sem = Sem().Get(expr);
ASSERT_NE(sem, nullptr);
const constant::Value* value = sem->ConstantValue();
ASSERT_NE(value, nullptr);
EXPECT_TYPE(value->Type(), sem->Type());
if (value->Type()->Is<type::Struct>()) {
// The result type of the constant-evaluated expression is a structure.
// Compare each of the fields individually.
for (size_t i = 0; i < expected_case.values.Length(); i++) {
CheckConstant(value->Index(i), expected_case.values[i], expected_case.flags);
}
} else {
// Return type is not a structure. Just compare the single value
ASSERT_EQ(expected_case.values.Length(), 1u)
<< "const-eval returned non-struct, but Case expected multiple values";
CheckConstant(value, expected_case.values[0], expected_case.flags);
}
} else {
ASSERT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(), c.expected.Failure().error);
}
}
INSTANTIATE_TEST_SUITE_P( //
MixedAbstractArgs,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kAtan2),
testing::ValuesIn(std::vector{
C({0_a, -0.0_a}, kPi<AFloat>),
C({1.0_a, 0_a}, kPiOver2<AFloat>),
})));
template <typename T>
std::vector<Case> AbsCases() {
std::vector<Case> cases = {
C({T(0)}, T(0)),
C({T(2.0)}, T(2.0)),
C({T::Highest()}, T::Highest()),
// Vector tests
C({Vec(T(2.0), T::Highest())}, Vec(T(2.0), T::Highest())),
};
ConcatIntoIf<IsSignedIntegral<T>>(
cases,
std::vector<Case>{
C({Negate(T(0))}, T(0)),
C({Negate(T(2.0))}, T(2.0)),
// If e is signed and is the largest negative, the result is e
C({T::Lowest()}, T::Lowest()),
// 1 more then min i32
C({Negate(T(2147483647))}, T(2147483647)),
C({Vec(T(0), Negate(T(0)))}, Vec(T(0), T(0))),
C({Vec(Negate(T(2.0)), T(2.0), T::Highest())}, Vec(T(2.0), T(2.0), T::Highest())),
});
return cases;
}
INSTANTIATE_TEST_SUITE_P( //
Abs,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kAbs),
testing::ValuesIn(Concat(AbsCases<AInt>(), //
AbsCases<i32>(),
AbsCases<u32>(),
AbsCases<AFloat>(),
AbsCases<f32>(),
AbsCases<f16>()))));
static std::vector<Case> AllCases() {
return {
C({Val(true)}, Val(true)),
C({Val(false)}, Val(false)),
C({Vec(true, true)}, Val(true)),
C({Vec(true, false)}, Val(false)),
C({Vec(false, true)}, Val(false)),
C({Vec(false, false)}, Val(false)),
C({Vec(true, true, true)}, Val(true)),
C({Vec(false, true, true)}, Val(false)),
C({Vec(true, false, true)}, Val(false)),
C({Vec(true, true, false)}, Val(false)),
C({Vec(false, false, false)}, Val(false)),
C({Vec(true, true, true, true)}, Val(true)),
C({Vec(false, true, true, true)}, Val(false)),
C({Vec(true, false, true, true)}, Val(false)),
C({Vec(true, true, false, true)}, Val(false)),
C({Vec(true, true, true, false)}, Val(false)),
C({Vec(false, false, false, false)}, Val(false)),
};
}
INSTANTIATE_TEST_SUITE_P( //
All,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kAll), testing::ValuesIn(AllCases())));
static std::vector<Case> AnyCases() {
return {
C({Val(true)}, Val(true)),
C({Val(false)}, Val(false)),
C({Vec(true, true)}, Val(true)),
C({Vec(true, false)}, Val(true)),
C({Vec(false, true)}, Val(true)),
C({Vec(false, false)}, Val(false)),
C({Vec(true, true, true)}, Val(true)),
C({Vec(false, true, true)}, Val(true)),
C({Vec(true, false, true)}, Val(true)),
C({Vec(true, true, false)}, Val(true)),
C({Vec(false, false, false)}, Val(false)),
C({Vec(true, true, true, true)}, Val(true)),
C({Vec(false, true, true, true)}, Val(true)),
C({Vec(true, false, true, true)}, Val(true)),
C({Vec(true, true, false, true)}, Val(true)),
C({Vec(true, true, true, false)}, Val(true)),
C({Vec(false, false, false, false)}, Val(false)),
};
}
INSTANTIATE_TEST_SUITE_P( //
Any,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kAny), testing::ValuesIn(AnyCases())));
template <typename T>
std::vector<Case> Atan2Cases() {
return {
// If y is +/-0 and x is negative or -0, +/-PI is returned
C({T(0.0), -T(0.0)}, kPi<T>).PosOrNeg().FloatComp(),
// If y is +/-0 and x is positive or +0, +/-0 is returned
C({T(0.0), T(0.0)}, T(0.0)).PosOrNeg(),
// If x is +/-0 and y is negative, -PI/2 is returned
C({-T(1.0), T(0.0)}, -kPiOver2<T>).FloatComp(), //
C({-T(1.0), -T(0.0)}, -kPiOver2<T>).FloatComp(),
// If x is +/-0 and y is positive, +PI/2 is returned
C({T(1.0), T(0.0)}, kPiOver2<T>).FloatComp(), //
C({T(1.0), -T(0.0)}, kPiOver2<T>).FloatComp(),
// Vector tests
C({Vec(T(0.0), T(0.0)), Vec(-T(0.0), T(0.0))}, Vec(kPi<T>, T(0.0))).PosOrNeg().FloatComp(),
C({Vec(-T(1.0), -T(1.0)), Vec(T(0.0), -T(0.0))}, Vec(-kPiOver2<T>, -kPiOver2<T>))
.FloatComp(),
C({Vec(T(1.0), T(1.0)), Vec(T(0.0), -T(0.0))}, Vec(kPiOver2<T>, kPiOver2<T>)).FloatComp(),
};
}
INSTANTIATE_TEST_SUITE_P( //
Atan2,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kAtan2),
testing::ValuesIn(Concat(Atan2Cases<AFloat>(), //
Atan2Cases<f32>(),
Atan2Cases<f16>()))));
template <typename T>
std::vector<Case> AtanCases() {
return {
C({T(1.0)}, kPiOver4<T>).FloatComp(),
C({-T(1.0)}, -kPiOver4<T>).FloatComp(),
// If i is +/-0, +/-0 is returned
C({T(0.0)}, T(0.0)).PosOrNeg(),
// Vector tests
C({Vec(T(0.0), T(1.0), -T(1.0))}, Vec(T(0.0), kPiOver4<T>, -kPiOver4<T>)).FloatComp(),
};
}
INSTANTIATE_TEST_SUITE_P( //
Atan,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kAtan),
testing::ValuesIn(Concat(AtanCases<AFloat>(), //
AtanCases<f32>(),
AtanCases<f16>()))));
template <typename T>
std::vector<Case> AtanhCases() {
return {
// If i is +/-0, +/-0 is returned
C({T(0.0)}, T(0.0)).PosOrNeg(),
C({T(0.9)}, T(1.4722193)).FloatComp(),
// Vector tests
C({Vec(T(0.0), T(0.9), -T(0.9))}, Vec(T(0.0), T(1.4722193), -T(1.4722193))).FloatComp(),
E({T(1.1)},
"12:34 error: atanh must be called with a value in the range (-1 .. 1) (exclusive)"),
E({-T(1.1)},
"12:34 error: atanh must be called with a value in the range (-1 .. 1) (exclusive)"),
};
}
INSTANTIATE_TEST_SUITE_P( //
Atanh,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kAtanh),
testing::ValuesIn(Concat(AtanhCases<AFloat>(), //
AtanhCases<f32>(),
AtanhCases<f16>()))));
template <typename T>
std::vector<Case> AcosCases() {
return {
// If i is +/-0, +/-0 is returned
C({T(0.87758256189)}, T(0.5)).FloatComp(),
C({T(1.0)}, T(0.0)),
C({-T(1.0)}, kPi<T>).FloatComp(),
// Vector tests
C({Vec(T(1.0), -T(1.0))}, Vec(T(0), kPi<T>)).FloatComp(),
E({T(1.1)},
"12:34 error: acos must be called with a value in the range [-1 .. 1] (inclusive)"),
E({-T(1.1)},
"12:34 error: acos must be called with a value in the range [-1 .. 1] (inclusive)"),
};
}
INSTANTIATE_TEST_SUITE_P( //
Acos,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kAcos),
testing::ValuesIn(Concat(AcosCases<AFloat>(), //
AcosCases<f32>(),
AcosCases<f16>()))));
template <typename T>
std::vector<Case> AcoshCases() {
return {
C({T(1.0)}, T(0.0)),
C({T(11.5919532755)}, kPi<T>).FloatComp(),
// Vector tests
C({Vec(T(1.0), T(11.5919532755))}, Vec(T(0), kPi<T>)).FloatComp(),
E({T::Smallest()}, "12:34 error: acosh must be called with a value >= 1.0"),
E({-T(1.1)}, "12:34 error: acosh must be called with a value >= 1.0"),
E({T(0)}, "12:34 error: acosh must be called with a value >= 1.0"),
};
}
INSTANTIATE_TEST_SUITE_P( //
Acosh,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kAcosh),
testing::ValuesIn(Concat(AcoshCases<AFloat>(), //
AcoshCases<f32>(),
AcoshCases<f16>()))));
template <typename T>
std::vector<Case> AsinCases() {
return {
// If i is +/-0, +/-0 is returned
C({T(0.0)}, T(0.0)),
C({-T(0.0)}, -T(0.0)),
C({T(1.0)}, kPiOver2<T>).FloatComp(),
C({-T(1.0)}, -kPiOver2<T>).FloatComp(),
// Vector tests
C({Vec(T(0.0), T(1.0), -T(1.0))}, Vec(T(0.0), kPiOver2<T>, -kPiOver2<T>)).FloatComp(),
E({T(1.1)},
"12:34 error: asin must be called with a value in the range [-1 .. 1] (inclusive)"),
E({-T(1.1)},
"12:34 error: asin must be called with a value in the range [-1 .. 1] (inclusive)"),
};
}
INSTANTIATE_TEST_SUITE_P( //
Asin,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kAsin),
testing::ValuesIn(Concat(AsinCases<AFloat>(), //
AsinCases<f32>(),
AsinCases<f16>()))));
template <typename T>
std::vector<Case> AsinhCases() {
return {
// If i is +/-0, +/-0 is returned
C({T(0.0)}, T(0.0)),
C({-T(0.0)}, -T(0.0)),
C({T(0.9)}, T(0.80886693565278)).FloatComp(),
C({-T(2.0)}, -T(1.4436354751788)).FloatComp(),
// Vector tests
C({Vec(T(0.0), T(0.9), -T(2.0))}, //
Vec(T(0.0), T(0.8088669356278), -T(1.4436354751788)))
.FloatComp(),
};
}
INSTANTIATE_TEST_SUITE_P( //
Asinh,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kAsinh),
testing::ValuesIn(Concat(AsinhCases<AFloat>(), //
AsinhCases<f32>(),
AsinhCases<f16>()))));
template <typename T>
std::vector<Case> CeilCases() {
return {
C({T(0)}, T(0)),
C({-T(0)}, -T(0)),
C({-T(1.5)}, -T(1.0)),
C({T(1.5)}, T(2.0)),
C({T::Lowest()}, T::Lowest()),
C({T::Highest()}, T::Highest()),
C({Vec(T(0), T(1.5), -T(1.5))}, Vec(T(0), T(2.0), -T(1.0))),
};
}
INSTANTIATE_TEST_SUITE_P( //
Ceil,
ResolverConstEvalBuiltinTest,
testing::Combine(
testing::Values(builtin::Function::kCeil),
testing::ValuesIn(Concat(CeilCases<AFloat>(), CeilCases<f32>(), CeilCases<f16>()))));
template <typename T>
std::vector<Case> ClampCases() {
return {
C({T(0), T(0), T(0)}, T(0)),
C({T(0), T(42), T::Highest()}, T(42)),
C({T::Lowest(), T(0), T(42)}, T(0)),
C({T(0), T::Lowest(), T::Highest()}, T(0)),
C({T(0), T::Highest(), T::Lowest()}, T::Lowest()),
C({T::Highest(), T::Highest(), T::Highest()}, T::Highest()),
C({T::Lowest(), T::Lowest(), T::Lowest()}, T::Lowest()),
C({T::Highest(), T::Lowest(), T::Highest()}, T::Highest()),
C({T::Lowest(), T::Lowest(), T::Highest()}, T::Lowest()),
// Vector tests
C({Vec(T(0), T(0)), //
Vec(T(0), T(42)), //
Vec(T(0), T::Highest())}, //
Vec(T(0), T(42))), //
C({Vec(T::Lowest(), T(0), T(0)), //
Vec(T(0), T::Lowest(), T::Highest()), //
Vec(T(42), T::Highest(), T::Lowest())}, //
Vec(T(0), T(0), T::Lowest())),
};
}
INSTANTIATE_TEST_SUITE_P( //
Clamp,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kClamp),
testing::ValuesIn(Concat(ClampCases<AInt>(), //
ClampCases<i32>(),
ClampCases<u32>(),
ClampCases<AFloat>(),
ClampCases<f32>(),
ClampCases<f16>()))));
template <typename T>
std::vector<Case> CosCases() {
return {
C({-T(0)}, T(1)),
C({T(0)}, T(1)),
C({T(0.75)}, T(0.7316888689)).FloatComp(),
// Vector test
C({Vec(T(0), -T(0), T(0.75))}, Vec(T(1), T(1), T(0.7316888689))).FloatComp(),
};
}
INSTANTIATE_TEST_SUITE_P( //
Cos,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kCos),
testing::ValuesIn(Concat(CosCases<AFloat>(), //
CosCases<f32>(),
CosCases<f16>()))));
template <typename T>
std::vector<Case> CoshCases() {
auto error_msg = [](auto a) {
return "12:34 error: " + OverflowErrorMessage(a, FriendlyName<decltype(a)>());
};
return {
C({T(0)}, T(1)),
C({-T(0)}, T(1)),
C({T(1)}, T(1.5430806348)).FloatComp(),
C({T(.75)}, T(1.2946832847)).FloatComp(),
// Vector tests
C({Vec(T(0), -T(0), T(1))}, Vec(T(1), T(1), T(1.5430806348))).FloatComp(),
E({T(10000)}, error_msg(T::Inf())),
};
}
INSTANTIATE_TEST_SUITE_P( //
Cosh,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kCosh),
testing::ValuesIn(Concat(CoshCases<AFloat>(), //
CoshCases<f32>(),
CoshCases<f16>()))));
template <typename T>
std::vector<Case> CountLeadingZerosCases() {
using B = BitValues<T>;
return {
C({B::Lsh(1, 31)}, T(0)), //
C({B::Lsh(1, 30)}, T(1)), //
C({B::Lsh(1, 29)}, T(2)), //
C({B::Lsh(1, 28)}, T(3)),
//...
C({B::Lsh(1, 3)}, T(28)), //
C({B::Lsh(1, 2)}, T(29)), //
C({B::Lsh(1, 1)}, T(30)), //
C({B::Lsh(1, 0)}, T(31)),
C({T(0b1111'0000'1111'0000'1111'0000'1111'0000)}, T(0)),
C({T(0b0111'1000'0111'1000'0111'1000'0111'1000)}, T(1)),
C({T(0b0011'1100'0011'1100'0011'1100'0011'1100)}, T(2)),
C({T(0b0001'1110'0001'1110'0001'1110'0001'1110)}, T(3)),
//...
C({T(0b0000'0000'0000'0000'0000'0000'0000'0111)}, T(29)),
C({T(0b0000'0000'0000'0000'0000'0000'0000'0011)}, T(30)),
C({T(0b0000'0000'0000'0000'0000'0000'0000'0001)}, T(31)),
C({T(0b0000'0000'0000'0000'0000'0000'0000'0000)}, T(32)),
// Same as above, but remove leading 0
C({T(0b1111'1000'0111'1000'0111'1000'0111'1000)}, T(0)),
C({T(0b1011'1100'0011'1100'0011'1100'0011'1100)}, T(0)),
C({T(0b1001'1110'0001'1110'0001'1110'0001'1110)}, T(0)),
//...
C({T(0b1000'0000'0000'0000'0000'0000'0000'0111)}, T(0)),
C({T(0b1000'0000'0000'0000'0000'0000'0000'0011)}, T(0)),
C({T(0b1000'0000'0000'0000'0000'0000'0000'0001)}, T(0)),
C({T(0b1000'0000'0000'0000'0000'0000'0000'0000)}, T(0)),
// Vector tests
C({Vec(B::Lsh(1, 31), B::Lsh(1, 30), B::Lsh(1, 29))}, Vec(T(0), T(1), T(2))),
C({Vec(B::Lsh(1, 2), B::Lsh(1, 1), B::Lsh(1, 0))}, Vec(T(29), T(30), T(31))),
};
}
INSTANTIATE_TEST_SUITE_P( //
CountLeadingZeros,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kCountLeadingZeros),
testing::ValuesIn(Concat(CountLeadingZerosCases<i32>(), //
CountLeadingZerosCases<u32>()))));
template <typename T>
std::vector<Case> CountTrailingZerosCases() {
using B = BitValues<T>;
return {
C({B::Lsh(1, 31)}, T(31)), //
C({B::Lsh(1, 30)}, T(30)), //
C({B::Lsh(1, 29)}, T(29)), //
C({B::Lsh(1, 28)}, T(28)),
//...
C({B::Lsh(1, 3)}, T(3)), //
C({B::Lsh(1, 2)}, T(2)), //
C({B::Lsh(1, 1)}, T(1)), //
C({B::Lsh(1, 0)}, T(0)),
C({T(0b0000'1111'0000'1111'0000'1111'0000'1111)}, T(0)),
C({T(0b0001'1110'0001'1110'0001'1110'0001'1110)}, T(1)),
C({T(0b0011'1100'0011'1100'0011'1100'0011'1100)}, T(2)),
C({T(0b0111'1000'0111'1000'0111'1000'0111'1000)}, T(3)),
//...
C({T(0b1110'0000'0000'0000'0000'0000'0000'0000)}, T(29)),
C({T(0b1100'0000'0000'0000'0000'0000'0000'0000)}, T(30)),
C({T(0b1000'0000'0000'0000'0000'0000'0000'0000)}, T(31)),
C({T(0b0000'0000'0000'0000'0000'0000'0000'0000)}, T(32)),
//// Same as above, but remove trailing 0
C({T(0b0001'1110'0001'1110'0001'1110'0001'1111)}, T(0)),
C({T(0b0011'1100'0011'1100'0011'1100'0011'1101)}, T(0)),
C({T(0b0111'1000'0111'1000'0111'1000'0111'1001)}, T(0)),
//...
C({T(0b1110'0000'0000'0000'0000'0000'0000'0001)}, T(0)),
C({T(0b1100'0000'0000'0000'0000'0000'0000'0001)}, T(0)),
C({T(0b1000'0000'0000'0000'0000'0000'0000'0001)}, T(0)),
C({T(0b0000'0000'0000'0000'0000'0000'0000'0001)}, T(0)),
// Vector tests
C({Vec(B::Lsh(1, 31), B::Lsh(1, 30), B::Lsh(1, 29))}, Vec(T(31), T(30), T(29))),
C({Vec(B::Lsh(1, 2), B::Lsh(1, 1), B::Lsh(1, 0))}, Vec(T(2), T(1), T(0))),
};
}
INSTANTIATE_TEST_SUITE_P( //
CountTrailingZeros,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kCountTrailingZeros),
testing::ValuesIn(Concat(CountTrailingZerosCases<i32>(), //
CountTrailingZerosCases<u32>()))));
template <typename T>
std::vector<Case> CountOneBitsCases() {
using B = BitValues<T>;
return {
C({T(0)}, T(0)), //
C({B::Lsh(1, 31)}, T(1)), //
C({B::Lsh(1, 30)}, T(1)), //
C({B::Lsh(1, 29)}, T(1)), //
C({B::Lsh(1, 28)}, T(1)),
//...
C({B::Lsh(1, 3)}, T(1)), //
C({B::Lsh(1, 2)}, T(1)), //
C({B::Lsh(1, 1)}, T(1)), //
C({B::Lsh(1, 0)}, T(1)),
C({T(0b1010'1010'1010'1010'1010'1010'1010'1010)}, T(16)),
C({T(0b0000'1111'0000'1111'0000'1111'0000'1111)}, T(16)),
C({T(0b0101'0000'0000'0000'0000'0000'0000'0101)}, T(4)),
// Vector tests
C({Vec(B::Lsh(1, 31), B::Lsh(1, 30), B::Lsh(1, 29))}, Vec(T(1), T(1), T(1))),
C({Vec(B::Lsh(1, 2), B::Lsh(1, 1), B::Lsh(1, 0))}, Vec(T(1), T(1), T(1))),
C({Vec(T(0b1010'1010'1010'1010'1010'1010'1010'1010),
T(0b0000'1111'0000'1111'0000'1111'0000'1111),
T(0b0101'0000'0000'0000'0000'0000'0000'0101))},
Vec(T(16), T(16), T(4))),
};
}
INSTANTIATE_TEST_SUITE_P( //
CountOneBits,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kCountOneBits),
testing::ValuesIn(Concat(CountOneBitsCases<i32>(), //
CountOneBitsCases<u32>()))));
template <typename T>
std::vector<Case> CrossCases() {
constexpr auto vec_x = [](T v) { return Vec(T(v), T(0), T(0)); };
constexpr auto vec_y = [](T v) { return Vec(T(0), T(v), T(0)); };
constexpr auto vec_z = [](T v) { return Vec(T(0), T(0), T(v)); };
const auto zero = Vec(T(0), T(0), T(0));
const auto unit_x = vec_x(T(1));
const auto unit_y = vec_y(T(1));
const auto unit_z = vec_z(T(1));
const auto neg_unit_x = vec_x(-T(1));
const auto neg_unit_y = vec_y(-T(1));
const auto neg_unit_z = vec_z(-T(1));
const auto highest_x = vec_x(T::Highest());
const auto highest_y = vec_y(T::Highest());
const auto highest_z = vec_z(T::Highest());
const auto smallest_x = vec_x(T::Smallest());
const auto smallest_y = vec_y(T::Smallest());
const auto smallest_z = vec_z(T::Smallest());
const auto lowest_x = vec_x(T::Lowest());
const auto lowest_y = vec_y(T::Lowest());
const auto lowest_z = vec_z(T::Lowest());
std::vector<Case> r = {
C({zero, zero}, zero),
C({unit_x, unit_x}, zero),
C({unit_y, unit_y}, zero),
C({unit_z, unit_z}, zero),
C({smallest_x, smallest_x}, zero),
C({smallest_y, smallest_y}, zero),
C({smallest_z, smallest_z}, zero),
C({lowest_x, lowest_x}, zero),
C({lowest_y, lowest_y}, zero),
C({lowest_z, lowest_z}, zero),
C({highest_x, highest_x}, zero),
C({highest_y, highest_y}, zero),
C({highest_z, highest_z}, zero),
C({smallest_x, highest_x}, zero),
C({smallest_y, highest_y}, zero),
C({smallest_z, highest_z}, zero),
C({unit_x, neg_unit_x}, zero).PosOrNeg(),
C({unit_y, neg_unit_y}, zero).PosOrNeg(),
C({unit_z, neg_unit_z}, zero).PosOrNeg(),
C({unit_x, unit_y}, unit_z),
C({unit_y, unit_x}, neg_unit_z),
C({unit_z, unit_x}, unit_y),
C({unit_x, unit_z}, neg_unit_y),
C({unit_y, unit_z}, unit_x),
C({unit_z, unit_y}, neg_unit_x),
C({vec_x(T(1)), vec_y(T(2))}, vec_z(T(2))),
C({vec_y(T(1)), vec_x(T(2))}, vec_z(-T(2))),
C({vec_x(T(2)), vec_y(T(3))}, vec_z(T(6))),
C({vec_y(T(2)), vec_x(T(3))}, vec_z(-T(6))),
C({Vec(T(1), T(2), T(3)), Vec(T(1), T(5), T(7))}, Vec(T(-1), T(-4), T(3))),
C({Vec(T(33), T(44), T(55)), Vec(T(13), T(42), T(39))}, Vec(T(-594), T(-572), T(814))),
C({Vec(T(3.5), T(4), T(5.5)), Vec(T(1), T(4.5), T(3.5))},
Vec(T(-10.75), T(-6.75), T(11.75))),
};
std::string pos_error_msg =
"12:34 error: " + OverflowErrorMessage(T::Highest(), "*", T::Highest());
std::string neg_error_msg =
"12:34 error: " + OverflowErrorMessage(T::Lowest(), "*", T::Lowest());
ConcatInto( //
r, std::vector<Case>{
E({highest_x, highest_y}, pos_error_msg),
E({highest_y, highest_x}, pos_error_msg),
E({highest_z, highest_x}, pos_error_msg),
E({highest_x, highest_z}, pos_error_msg),
E({highest_y, highest_z}, pos_error_msg),
E({highest_z, highest_y}, pos_error_msg),
E({lowest_x, lowest_y}, neg_error_msg),
E({lowest_y, lowest_x}, neg_error_msg),
E({lowest_z, lowest_x}, neg_error_msg),
E({lowest_x, lowest_z}, neg_error_msg),
E({lowest_y, lowest_z}, neg_error_msg),
E({lowest_z, lowest_y}, neg_error_msg),
});
return r;
}
INSTANTIATE_TEST_SUITE_P( //
Cross,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kCross),
testing::ValuesIn(Concat(CrossCases<AFloat>(), //
CrossCases<f32>(), //
CrossCases<f16>()))));
template <typename T>
std::vector<Case> DistanceCases() {
auto error_msg = [](auto a, const char* op, auto b) {
return "12:34 error: " + OverflowErrorMessage(a, op, b) + R"(
12:34 note: when calculating distance)";
};
return {
C({T(0), T(0)}, T(0)),
// length(-5) -> 5
C({T(30), T(35)}, T(5)),
C({Vec(T(30), T(20)), Vec(T(25), T(15))}, Val(T(7.0710678119))).FloatComp(),
E({T::Lowest(), T::Highest()}, error_msg(T::Lowest(), "-", T::Highest())),
E({Vec(T::Highest(), T::Highest()), Vec(T(1), T(1))},
error_msg(T(T::Highest() - T(1)), "*", T(T::Highest() - T(1)))),
};
}
INSTANTIATE_TEST_SUITE_P( //
Distance,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kDistance),
testing::ValuesIn(Concat(DistanceCases<AFloat>(), //
DistanceCases<f32>(), //
DistanceCases<f16>()))));
template <typename T>
std::vector<Case> DotCases() {
auto r = std::vector<Case>{
C({Vec(T(0), T(0)), Vec(T(0), T(0))}, Val(T(0))),
C({Vec(T(0), T(0), T(0)), Vec(T(0), T(0), T(0))}, Val(T(0))),
C({Vec(T(0), T(0), T(0), T(0)), Vec(T(0), T(0), T(0), T(0))}, Val(T(0))),
C({Vec(T(1), T(2), T(3), T(4)), Vec(T(5), T(6), T(7), T(8))}, Val(T(70))),
C({Vec(T(1), T(1)), Vec(T(1), T(1))}, Val(T(2))),
C({Vec(T(1), T(2)), Vec(T(2), T(1))}, Val(T(4))),
C({Vec(T(2), T(2)), Vec(T(2), T(2))}, Val(T(8))),
C({Vec(T::Highest(), T::Highest()), Vec(T(1), T(0))}, Val(T::Highest())),
C({Vec(T::Lowest(), T::Lowest()), Vec(T(1), T(0))}, Val(T::Lowest())),
};
if constexpr (IsAbstract<T> || IsFloatingPoint<T>) {
auto error_msg = [](auto a, const char* op, auto b) {
return "12:34 error: " + OverflowErrorMessage(a, op, b) + R"(
12:34 note: when calculating dot)";
};
ConcatInto( //
r, std::vector<Case>{
E({Vec(T::Highest(), T::Highest()), Vec(T(1), T(1))},
error_msg(T::Highest(), "+", T::Highest())),
E({Vec(T::Lowest(), T::Lowest()), Vec(T(1), T(1))},
error_msg(T::Lowest(), "+", T::Lowest())),
});
} else {
// Overflow is not an error for concrete integrals
ConcatInto( //
r, std::vector<Case>{
C({Vec(T::Highest(), T::Highest()), Vec(T(1), T(1))},
Val(Add(T::Highest(), T::Highest()))),
C({Vec(T::Lowest(), T::Lowest()), Vec(T(1), T(1))},
Val(Add(T::Lowest(), T::Lowest()))),
});
}
return r;
}
INSTANTIATE_TEST_SUITE_P( //
Dot,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kDot),
testing::ValuesIn(Concat(DotCases<AInt>(), //
DotCases<i32>(), //
DotCases<u32>(), //
DotCases<AFloat>(), //
DotCases<f32>(), //
DotCases<f16>()))));
template <typename T>
std::vector<Case> DeterminantCases() {
auto error_msg = [](auto a, const char* op, auto b) {
return "12:34 error: " + OverflowErrorMessage(a, op, b) + R"(
12:34 note: when calculating determinant)";
};
auto r = std::vector<Case>{
// All zero == 0
C({Mat({T(0), T(0)}, //
{T(0), T(0)})}, //
Val(T(0))),
C({Mat({T(0), T(0), T(0)}, //
{T(0), T(0), T(0)}, //
{T(0), T(0), T(0)})}, //
Val(T(0))),
C({Mat({T(0), T(0), T(0), T(0)}, //
{T(0), T(0), T(0), T(0)}, //
{T(0), T(0), T(0), T(0)}, //
{T(0), T(0), T(0), T(0)})}, //
Val(T(0))),
// All same == 0
C({Mat({T(42), T(42)}, //
{T(42), T(42)})}, //
Val(T(0))),
C({Mat({T(42), T(42), T(42)}, //
{T(42), T(42), T(42)}, //
{T(42), T(42), T(42)})}, //
Val(T(0))),
C({Mat({T(42), T(42), T(42), T(42)}, //
{T(42), T(42), T(42), T(42)}, //
{T(42), T(42), T(42), T(42)}, //
{T(42), T(42), T(42), T(42)})}, //
Val(T(0))),
// Various values
C({Mat({-T(2), T(17)}, //
{T(5), T(45)})}, //
Val(-T(175))),
C({Mat({T(4), T(6), -T(13)}, //
{T(12), T(5), T(8)}, //
{T(9), T(17), T(16)})}, //
Val(-T(3011))),
C({Mat({T(2), T(9), T(8), T(1)}, //
{-T(4), T(11), -T(3), T(7)}, //
{T(6), T(5), T(12), -T(6)}, //
{T(3), -T(10), T(4), -T(7)})}, //
Val(T(469))),
// Overflow during multiply
E({Mat({T::Highest(), T(0)}, //
{T(0), T(2)})}, //
error_msg(T::Highest(), "*", T(2))),
// Overflow during subtract
E({Mat({T::Highest(), T::Lowest()}, //
{T(1), T(1)})}, //
error_msg(T::Highest(), "-", T::Lowest())),
};
return r;
}
INSTANTIATE_TEST_SUITE_P( //
Determinant,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kDeterminant),
testing::ValuesIn(Concat(DeterminantCases<AFloat>(), //
DeterminantCases<f32>(), //
DeterminantCases<f16>()))));
template <typename T>
std::vector<Case> FaceForwardCases() {
// Rotate v by degs around Z axis
auto rotate = [&](const Value& v, float degs) {
auto x = builder::As<T>(v.args[0]);
auto y = builder::As<T>(v.args[1]);
auto z = builder::As<T>(v.args[2]);
auto rads = T(degs) * kPi<T> / T(180);
auto x2 = T(x * std::cos(rads) - y * std::sin(rads));
auto y2 = T(x * std::sin(rads) + y * std::cos(rads));
return Vec(x2, y2, z);
};
// An arbitrary input vector and its negation, used for e1 args to FaceForward
auto pos_vec = Vec(T(1), T(2), T(3));
auto neg_vec = Vec(-T(1), -T(2), -T(3));
// An arbitrary vector in the xy plane, used for e2 and e3 args to FaceForward.
auto fwd_xy = Vec(T(1.23), T(4.56), T(0));
std::vector<Case> r = {
C({pos_vec, fwd_xy, rotate(fwd_xy, 85)}, neg_vec),
C({pos_vec, fwd_xy, rotate(fwd_xy, 85)}, neg_vec),
C({pos_vec, fwd_xy, rotate(fwd_xy, 95)}, pos_vec),
C({pos_vec, fwd_xy, rotate(fwd_xy, -95)}, pos_vec),
C({pos_vec, fwd_xy, rotate(fwd_xy, 180)}, pos_vec),
C({pos_vec, rotate(fwd_xy, 33), rotate(fwd_xy, 33 + 85)}, neg_vec),
C({pos_vec, rotate(fwd_xy, 33), rotate(fwd_xy, 33 - 85)}, neg_vec),
C({pos_vec, rotate(fwd_xy, 33), rotate(fwd_xy, 33 + 95)}, pos_vec),
C({pos_vec, rotate(fwd_xy, 33), rotate(fwd_xy, 33 - 95)}, pos_vec),
C({pos_vec, rotate(fwd_xy, 33), rotate(fwd_xy, 33 + 180)}, pos_vec),
C({pos_vec, rotate(fwd_xy, 234), rotate(fwd_xy, 234 + 85)}, neg_vec),
C({pos_vec, rotate(fwd_xy, 234), rotate(fwd_xy, 234 - 85)}, neg_vec),
C({pos_vec, rotate(fwd_xy, 234), rotate(fwd_xy, 234 + 95)}, pos_vec),
C({pos_vec, rotate(fwd_xy, 234), rotate(fwd_xy, 234 - 95)}, pos_vec),
C({pos_vec, rotate(fwd_xy, 234), rotate(fwd_xy, 234 + 180)}, pos_vec),
// Same, but swap input and result vectors
C({neg_vec, fwd_xy, rotate(fwd_xy, 85)}, pos_vec),
C({neg_vec, fwd_xy, rotate(fwd_xy, 85)}, pos_vec),
C({neg_vec, fwd_xy, rotate(fwd_xy, 95)}, neg_vec),
C({neg_vec, fwd_xy, rotate(fwd_xy, -95)}, neg_vec),
C({neg_vec, fwd_xy, rotate(fwd_xy, 180)}, neg_vec),
C({neg_vec, rotate(fwd_xy, 33), rotate(fwd_xy, 33 + 85)}, pos_vec),
C({neg_vec, rotate(fwd_xy, 33), rotate(fwd_xy, 33 - 85)}, pos_vec),
C({neg_vec, rotate(fwd_xy, 33), rotate(fwd_xy, 33 + 95)}, neg_vec),
C({neg_vec, rotate(fwd_xy, 33), rotate(fwd_xy, 33 - 95)}, neg_vec),
C({neg_vec, rotate(fwd_xy, 33), rotate(fwd_xy, 33 + 180)}, neg_vec),
C({neg_vec, rotate(fwd_xy, 234), rotate(fwd_xy, 234 + 85)}, pos_vec),
C({neg_vec, rotate(fwd_xy, 234), rotate(fwd_xy, 234 - 85)}, pos_vec),
C({neg_vec, rotate(fwd_xy, 234), rotate(fwd_xy, 234 + 95)}, neg_vec),
C({neg_vec, rotate(fwd_xy, 234), rotate(fwd_xy, 234 - 95)}, neg_vec),
C({neg_vec, rotate(fwd_xy, 234), rotate(fwd_xy, 234 + 180)}, neg_vec),
};
auto error_msg = [](auto a, const char* op, auto b) {
return "12:34 error: " + OverflowErrorMessage(a, op, b) + R"(
12:34 note: when calculating faceForward)";
};
ConcatInto( //
r, std::vector<Case>{
// Overflow the dot product operation
E({pos_vec, Vec(T::Highest(), T::Highest(), T(0)), Vec(T(1), T(1), T(0))},
error_msg(T::Highest(), "+", T::Highest())),
E({pos_vec, Vec(T::Lowest(), T::Lowest(), T(0)), Vec(T(1), T(1), T(0))},
error_msg(T::Lowest(), "+", T::Lowest())),
});
return r;
}
INSTANTIATE_TEST_SUITE_P( //
FaceForward,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kFaceForward),
testing::ValuesIn(Concat(FaceForwardCases<AFloat>(), //
FaceForwardCases<f32>(), //
FaceForwardCases<f16>()))));
template <typename T>
std::vector<Case> FirstLeadingBitCases() {
using B = BitValues<T>;
auto r = std::vector<Case>{
// Both signed and unsigned return T(-1) for input 0
C({T(0)}, T(-1)),
C({B::Lsh(1, 30)}, T(30)), //
C({B::Lsh(1, 29)}, T(29)), //
C({B::Lsh(1, 28)}, T(28)),
//...
C({B::Lsh(1, 3)}, T(3)), //
C({B::Lsh(1, 2)}, T(2)), //
C({B::Lsh(1, 1)}, T(1)), //
C({B::Lsh(1, 0)}, T(0)),
C({T(0b0000'0000'0100'1000'1000'1000'0000'0000)}, T(22)),
C({T(0b0000'0000'0000'0100'1000'1000'0000'0000)}, T(18)),
// Vector tests
C({Vec(B::Lsh(1, 30), B::Lsh(1, 29), B::Lsh(1, 28))}, Vec(T(30), T(29), T(28))),
C({Vec(B::Lsh(1, 2), B::Lsh(1, 1), B::Lsh(1, 0))}, Vec(T(2), T(1), T(0))),
};
ConcatIntoIf<IsUnsignedIntegral<T>>( //
r, std::vector<Case>{
C({B::Lsh(1, 31)}, T(31)),
C({T(0b1111'1111'1111'1111'1111'1111'1111'1110)}, T(31)),
C({T(0b1111'1111'1111'1111'1111'1111'1111'1100)}, T(31)),
C({T(0b1111'1111'1111'1111'1111'1111'1111'1000)}, T(31)),
//...
C({T(0b1110'0000'0000'0000'0000'0000'0000'0000)}, T(31)),
C({T(0b1100'0000'0000'0000'0000'0000'0000'0000)}, T(31)),
C({T(0b1000'0000'0000'0000'0000'0000'0000'0000)}, T(31)),
});
ConcatIntoIf<IsSignedIntegral<T>>( //
r, std::vector<Case>{
// Signed returns -1 for input -1
C({T(-1)}, T(-1)),
C({B::Lsh(1, 31)}, T(30)),
C({T(0b1111'1111'1111'1111'1111'1111'1111'1110)}, T(0)),
C({T(0b1111'1111'1111'1111'1111'1111'1111'1100)}, T(1)),
C({T(0b1111'1111'1111'1111'1111'1111'1111'1000)}, T(2)),
//...
C({T(0b1110'0000'0000'0000'0000'0000'0000'0000)}, T(28)),
C({T(0b1100'0000'0000'0000'0000'0000'0000'0000)}, T(29)),
C({T(0b1000'0000'0000'0000'0000'0000'0000'0000)}, T(30)),
});
return r;
}
INSTANTIATE_TEST_SUITE_P( //
FirstLeadingBit,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kFirstLeadingBit),
testing::ValuesIn(Concat(FirstLeadingBitCases<i32>(), //
FirstLeadingBitCases<u32>()))));
template <typename T>
std::vector<Case> FirstTrailingBitCases() {
using B = BitValues<T>;
auto r = std::vector<Case>{
C({T(0)}, T(-1)),
C({B::Lsh(1, 31)}, T(31)), //
C({B::Lsh(1, 30)}, T(30)), //
C({B::Lsh(1, 29)}, T(29)), //
C({B::Lsh(1, 28)}, T(28)),
//...
C({B::Lsh(1, 3)}, T(3)), //
C({B::Lsh(1, 2)}, T(2)), //
C({B::Lsh(1, 1)}, T(1)), //
C({B::Lsh(1, 0)}, T(0)),
C({T(0b0000'0000'0100'1000'1000'1000'0000'0000)}, T(11)),
C({T(0b0000'0100'1000'1000'1000'0000'0000'0000)}, T(15)),
// Vector tests
C({Vec(B::Lsh(1, 31), B::Lsh(1, 30), B::Lsh(1, 29))}, Vec(T(31), T(30), T(29))),
C({Vec(B::Lsh(1, 2), B::Lsh(1, 1), B::Lsh(1, 0))}, Vec(T(2), T(1), T(0))),
};
return r;
}
INSTANTIATE_TEST_SUITE_P( //
FirstTrailingBit,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kFirstTrailingBit),
testing::ValuesIn(Concat(FirstTrailingBitCases<i32>(), //
FirstTrailingBitCases<u32>()))));
template <typename T>
std::vector<Case> FloorCases() {
return {
C({T(0)}, T(0)),
C({-T(0)}, -T(0)),
C({-T(1.5)}, -T(2.0)),
C({T(1.5)}, T(1.0)),
C({T::Lowest()}, T::Lowest()),
C({T::Highest()}, T::Highest()),
C({Vec(T(0), T(1.5), -T(1.5))}, Vec(T(0), T(1.0), -T(2.0))),
};
}
INSTANTIATE_TEST_SUITE_P( //
Floor,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kFloor),
testing::ValuesIn(Concat(FloorCases<AFloat>(), //
FloorCases<f32>(),
FloorCases<f16>()))));
template <typename T>
std::vector<Case> FmaCases() {
auto error_msg = [](auto a, const char* op, auto b) {
return "12:34 error: " + OverflowErrorMessage(a, op, b) + R"(
12:34 note: when calculating fma)";
};
return {
C({T(0), T(0), T(0)}, T(0)),
C({T(1), T(2), T(3)}, T(5)),
C({Vec(T(1), T(2.5), -T(1)), Vec(T(2), T(2.5), T(1)), Vec(T(4), T(3.75), -T(2))},
Vec(T(6), T(10), -T(3))),
E({T::Highest(), T::Highest(), T(0)}, error_msg(T::Highest(), "*", T::Highest())),
E({T::Highest(), T(1), T::Highest()}, error_msg(T::Highest(), "+", T::Highest())),
};
}
INSTANTIATE_TEST_SUITE_P( //
Fma,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kFma),
testing::ValuesIn(Concat(FmaCases<AFloat>(), //
FmaCases<f32>(),
FmaCases<f16>()))));
template <typename T>
std::vector<Case> FractCases() {
auto r = std::vector<Case>{
C({T(0)}, T(0)),
C({T(0.1)}, T(0.1)),
C({T(-0.1)}, T(0.9)),
C({T(0.0000001)}, T(0.0000001)),
C({T(-0.0000001)}, T(0.9999999)),
C({T(12.34567)}, T(0.34567)).FloatComp(0.002),
C({T(-12.34567)}, T(0.65433)).FloatComp(0.002),
C({T::Lowest()}, T(0)),
C({T::Highest()}, T(0)),
// Vector tests
C({Vec(T(0.1), T(-0.1), T(-0.0000001))}, Vec(T(0.1), T(0.9), T(0.9999999))),
};
// Note: Valid results are in the closed interval [0, 1.0]. For example, if e is a very small
// negative number, then fract(e) may be 1.0.
ConcatIntoIf<!std::is_same_v<T, f16>>( //
r, std::vector<Case>{
C({T(-0.000000000000000001)}, T(1)),
});
return r;
}
INSTANTIATE_TEST_SUITE_P( //
Fract,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kFract),
testing::ValuesIn(Concat(FractCases<AFloat>(), //
FractCases<f32>(),
FractCases<f16>()))));
template <typename T>
std::vector<Case> FrexpCases() {
using F = T; // fract type
using E = std::conditional_t<std::is_same_v<T, AFloat>, AInt, i32>; // exp type
std::vector<Case> cases = {
// Scalar tests
// in fract exp
C({T(-3.5)}, {F(-0.875), E(2)}), //
C({T(-3.0)}, {F(-0.750), E(2)}), //
C({T(-2.5)}, {F(-0.625), E(2)}), //
C({T(-2.0)}, {F(-0.500), E(2)}), //
C({T(-1.5)}, {F(-0.750), E(1)}), //
C({T(-1.0)}, {F(-0.500), E(1)}), //
C({T(+0.0)}, {F(+0.000), E(0)}), //
C({T(+1.0)}, {F(+0.500), E(1)}), //
C({T(+1.5)}, {F(+0.750), E(1)}), //
C({T(+2.0)}, {F(+0.500), E(2)}), //
C({T(+2.5)}, {F(+0.625), E(2)}), //
C({T(+3.0)}, {F(+0.750), E(2)}), //
C({T(+3.5)}, {F(+0.875), E(2)}), //
// Vector tests
// in fract exp
C({Vec(T(-2.5), T(+1.0))}, {Vec(F(-0.625), F(+0.500)), Vec(E(2), E(1))}),
C({Vec(T(+3.5), T(-2.5))}, {Vec(F(+0.875), F(-0.625)), Vec(E(2), E(2))}),
};
ConcatIntoIf<std::is_same_v<T, f16>>(cases, std::vector<Case>{
C({T::Highest()}, {F(0x0.ffep0), E(16)}), //
C({T::Lowest()}, {F(-0x0.ffep0), E(16)}), //
C({T::Smallest()}, {F(0.5), E(-13)}), //
});
ConcatIntoIf<std::is_same_v<T, f32>>(cases,
std::vector<Case>{
C({T::Highest()}, {F(0x0.ffffffp0), E(128)}), //
C({T::Lowest()}, {F(-0x0.ffffffp0), E(128)}), //
C({T::Smallest()}, {F(0.5), E(-125)}), //
});
ConcatIntoIf<std::is_same_v<T, AFloat>>(
cases, std::vector<Case>{
C({T::Highest()}, {F(0x0.fffffffffffff8p0), E(1024)}), //
C({T::Lowest()}, {F(-0x0.fffffffffffff8p0), E(1024)}), //
C({T::Smallest()}, {F(0.5), E(-1021)}), //
});
return cases;
}
INSTANTIATE_TEST_SUITE_P( //
Frexp,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kFrexp),
testing::ValuesIn(Concat(FrexpCases<AFloat>(), //
FrexpCases<f32>(), //
FrexpCases<f16>()))));
template <typename T>
std::vector<Case> InsertBitsCases() {
using UT = Number<std::make_unsigned_t<UnwrapNumber<T>>>;
auto e = /* */ T(0b0101'1100'0011'1010'0101'1100'0011'1010);
auto newbits = T{0b1010'0011'1100'0101'1010'0011'1100'0101};
auto r = std::vector<Case>{
// args: e, newbits, offset, count
// If count is 0, result is e
C({e, newbits, UT(0), UT(0)}, e), //
C({e, newbits, UT(1), UT(0)}, e), //
C({e, newbits, UT(2), UT(0)}, e), //
C({e, newbits, UT(3), UT(0)}, e), //
// ...
C({e, newbits, UT(29), UT(0)}, e), //
C({e, newbits, UT(30), UT(0)}, e), //
C({e, newbits, UT(31), UT(0)}, e),
// Copy 1 to 32 bits of newbits to e at offset 0
C({e, newbits, UT(0), UT(1)}, T(0b0101'1100'0011'1010'0101'1100'0011'1011)),
C({e, newbits, UT(0), UT(2)}, T(0b0101'1100'0011'1010'0101'1100'0011'1001)),
C({e, newbits, UT(0), UT(3)}, T(0b0101'1100'0011'1010'0101'1100'0011'1101)),
C({e, newbits, UT(0), UT(4)}, T(0b0101'1100'0011'1010'0101'1100'0011'0101)),
C({e, newbits, UT(0), UT(5)}, T(0b0101'1100'0011'1010'0101'1100'0010'0101)),
C({e, newbits, UT(0), UT(6)}, T(0b0101'1100'0011'1010'0101'1100'0000'0101)),
// ...
C({e, newbits, UT(0), UT(29)}, T(0b0100'0011'1100'0101'1010'0011'1100'0101)),
C({e, newbits, UT(0), UT(30)}, T(0b0110'0011'1100'0101'1010'0011'1100'0101)),
C({e, newbits, UT(0), UT(31)}, T(0b0010'0011'1100'0101'1010'0011'1100'0101)),
C({e, newbits, UT(0), UT(32)}, T(0b1010'0011'1100'0101'1010'0011'1100'0101)),
// Copy at varying offsets and counts
C({e, newbits, UT(3), UT(8)}, T(0b0101'1100'0011'1010'0101'1110'0010'1010)),
C({e, newbits, UT(8), UT(8)}, T(0b0101'1100'0011'1010'1100'0101'0011'1010)),
C({e, newbits, UT(15), UT(1)}, T(0b0101'1100'0011'1010'1101'1100'0011'1010)),
C({e, newbits, UT(16), UT(16)}, T(0b1010'0011'1100'0101'0101'1100'0011'1010)),
// Vector tests
C({Vec(T(0b1111'0000'1111'0000'1111'0000'1111'0000), //
T(0b0000'1111'0000'1111'0000'1111'0000'1111), //
T(0b1010'0101'1010'0101'1010'0101'1010'0101)),
Vec(T(0b1111'1111'1111'1111'1111'1111'1111'1111), //
T(0b1111'1111'1111'1111'1111'1111'1111'1111), //
T(0b1111'1111'1111'1111'1111'1111'1111'1111)),
Val(UT(3)), Val(UT(8))},
Vec(T(0b1111'0000'1111'0000'1111'0111'1111'1000), //
T(0b0000'1111'0000'1111'0000'1111'1111'1111), //
T(0b1010'0101'1010'0101'1010'0111'1111'1101))),
};
const char* error_msg =
"12:34 error: 'offset + 'count' must be less than or equal to the bit width of 'e'";
ConcatInto( //
r, std::vector<Case>{
E({T(1), T(1), UT(33), UT(0)}, error_msg), //
E({T(1), T(1), UT(34), UT(0)}, error_msg), //
E({T(1), T(1), UT(1000), UT(0)}, error_msg), //
E({T(1), T(1), UT::Highest(), UT()}, error_msg), //
E({T(1), T(1), UT(0), UT(33)}, error_msg), //
E({T(1), T(1), UT(0), UT(34)}, error_msg), //
E({T(1), T(1), UT(0), UT(1000)}, error_msg), //
E({T(1), T(1), UT(0), UT::Highest()}, error_msg), //
E({T(1), T(1), UT(33), UT(33)}, error_msg), //
E({T(1), T(1), UT(34), UT(34)}, error_msg), //
E({T(1), T(1), UT(1000), UT(1000)}, error_msg), //
E({T(1), T(1), UT::Highest(), UT(1)}, error_msg),
E({T(1), T(1), UT(1), UT::Highest()}, error_msg),
E({T(1), T(1), UT::Highest(), u32::Highest()}, error_msg),
});
return r;
}
INSTANTIATE_TEST_SUITE_P( //
InsertBits,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kInsertBits),
testing::ValuesIn(Concat(InsertBitsCases<i32>(), //
InsertBitsCases<u32>()))));
template <typename T>
std::vector<Case> InverseSqrtCases() {
return {
C({T(25)}, T(.2)),
// Vector tests
C({Vec(T(25), T(100))}, Vec(T(.2), T(.1))),
E({T(0)}, "12:34 error: inverseSqrt must be called with a value > 0"),
E({-T(0)}, "12:34 error: inverseSqrt must be called with a value > 0"),
E({-T(25)}, "12:34 error: inverseSqrt must be called with a value > 0"),
};
}
INSTANTIATE_TEST_SUITE_P( //
InverseSqrt,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kInverseSqrt),
testing::ValuesIn(Concat(InverseSqrtCases<AFloat>(), //
InverseSqrtCases<f32>(),
InverseSqrtCases<f16>()))));
template <typename T>
std::vector<Case> DegreesAFloatCases() {
return {
C({T(0)}, T(0)), //
C({-T(0)}, -T(0)), //
C({T(0.698132)}, T(40)).FloatComp(), //
C({-T(1.5708)}, -T(90.000214)).FloatComp(), //
C({T(1.5708)}, T(90.000214)).FloatComp(), //
C({T(6.28319)}, T(360.00027)).FloatComp(),
};
}
INSTANTIATE_TEST_SUITE_P( //
DegreesAFloat,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kDegrees),
testing::ValuesIn(DegreesAFloatCases<AFloat>())));
template <typename T>
std::vector<Case> DegreesF32Cases() {
return {
C({T(0)}, T(0)), //
C({-T(0)}, -T(0)), //
C({T(0.698132)}, T(40)).FloatComp(), //
C({-T(1.5708)}, -T(90.000206)).FloatComp(), //
C({T(1.5708)}, T(90.000206)).FloatComp(), //
C({T(6.28319)}, T(360.00024)).FloatComp(),
};
}
INSTANTIATE_TEST_SUITE_P( //
DegreesF32,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kDegrees),
testing::ValuesIn(DegreesF32Cases<f32>())));
template <typename T>
std::vector<Case> DegreesF16Cases() {
return {
C({T(0)}, T(0)), //
C({-T(0)}, -T(0)), //
C({T(0.698132)}, T(39.96875)).FloatComp(), //
C({-T(1.5708)}, -T(89.9375)).FloatComp(), //
C({T(1.5708)}, T(89.9375)).FloatComp(), //
C({T(6.28319)}, T(359.75)).FloatComp(),
};
}
INSTANTIATE_TEST_SUITE_P( //
DegreesF16,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kDegrees),
testing::ValuesIn(DegreesF16Cases<f16>())));
template <typename T>
std::vector<Case> ExpCases() {
auto error_msg = [](auto a) { return "12:34 error: " + OverflowExpErrorMessage("e", a); };
return {C({T(0)}, T(1)), //
C({-T(0)}, T(1)), //
C({T(2)}, T(7.3890562)).FloatComp(),
C({-T(2)}, T(0.13533528)).FloatComp(), //
C({T::Lowest()}, T(0)),
E({T::Highest()}, error_msg(T::Highest()))};
}
INSTANTIATE_TEST_SUITE_P( //
Exp,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kExp),
testing::ValuesIn(Concat(ExpCases<AFloat>(), //
ExpCases<f32>(),
ExpCases<f16>()))));
template <typename T>
std::vector<Case> Exp2Cases() {
auto error_msg = [](auto a) { return "12:34 error: " + OverflowExpErrorMessage("2", a); };
return {
C({T(0)}, T(1)), //
C({-T(0)}, T(1)), //
C({T(2)}, T(4.0)),
C({-T(2)}, T(0.25)), //
C({T::Lowest()}, T(0)),
E({T::Highest()}, error_msg(T::Highest())),
};
}
INSTANTIATE_TEST_SUITE_P( //
Exp2,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kExp2),
testing::ValuesIn(Concat(Exp2Cases<AFloat>(), //
Exp2Cases<f32>(),
Exp2Cases<f16>()))));
template <typename T>
std::vector<Case> ExtractBitsCases() {
using UT = Number<std::make_unsigned_t<UnwrapNumber<T>>>;
// If T is signed, fills most significant bits of `val` with 1s
auto set_msbs_if_signed = [](T val) {
if constexpr (IsSignedIntegral<T>) {
T result = T(~0);
for (size_t b = 0; val; ++b) {
if ((val & 1) == 0) {
result = result & ~(1 << b); // Clear bit b
}
val = val >> 1;
}
return result;
} else {
return val;
}
};
auto e = T(0b10100011110001011010001111000101);
auto f = T(0b01010101010101010101010101010101);
auto g = T(0b11111010001111000101101000111100);
auto r = std::vector<Case>{
// args: e, offset, count
// If count is 0, result is 0
C({e, UT(0), UT(0)}, T(0)), //
C({e, UT(1), UT(0)}, T(0)), //
C({e, UT(2), UT(0)}, T(0)), //
C({e, UT(3), UT(0)}, T(0)),
// ...
C({e, UT(29), UT(0)}, T(0)), //
C({e, UT(30), UT(0)}, T(0)), //
C({e, UT(31), UT(0)}, T(0)),
// Extract at offset 0, varying counts
C({e, UT(0), UT(1)}, set_msbs_if_signed(T(0b1))), //
C({e, UT(0), UT(2)}, T(0b01)), //
C({e, UT(0), UT(3)}, set_msbs_if_signed(T(0b101))), //
C({e, UT(0), UT(4)}, T(0b0101)), //
C({e, UT(0), UT(5)}, T(0b00101)), //
C({e, UT(0), UT(6)}, T(0b000101)), //
// ...
C({e, UT(0), UT(28)}, T(0b0011110001011010001111000101)), //
C({e, UT(0), UT(29)}, T(0b00011110001011010001111000101)), //
C({e, UT(0), UT(30)}, set_msbs_if_signed(T(0b100011110001011010001111000101))), //
C({e, UT(0), UT(31)}, T(0b0100011110001011010001111000101)), //
C({e, UT(0), UT(32)}, T(0b10100011110001011010001111000101)), //
// Extract at varying offsets and counts
C({e, UT(0), UT(1)}, set_msbs_if_signed(T(0b1))), //
C({e, UT(31), UT(1)}, set_msbs_if_signed(T(0b1))), //
C({e, UT(3), UT(5)}, set_msbs_if_signed(T(0b11000))), //
C({e, UT(4), UT(7)}, T(0b0111100)), //
C({e, UT(10), UT(16)}, set_msbs_if_signed(T(0b1111000101101000))), //
C({e, UT(10), UT(22)}, set_msbs_if_signed(T(0b1010001111000101101000))),
// Vector tests
C({Vec(e, f, g), //
Val(UT(5)), Val(UT(8))}, //
Vec(T(0b00011110), //
set_msbs_if_signed(T(0b10101010)), //
set_msbs_if_signed(T(0b11010001)))),
};
const char* error_msg =
"12:34 error: 'offset + 'count' must be less than or equal to the bit width of 'e'";
ConcatInto( //
r, std::vector<Case>{
E({T(1), UT(33), UT(0)}, error_msg),
E({T(1), UT(34), UT(0)}, error_msg),
E({T(1), UT(1000), UT(0)}, error_msg),
E({T(1), UT::Highest(), UT(0)}, error_msg),
E({T(1), UT(0), UT(33)}, error_msg),
E({T(1), UT(0), UT(34)}, error_msg),
E({T(1), UT(0), UT(1000)}, error_msg),
E({T(1), UT(0), UT::Highest()}, error_msg),
E({T(1), UT(33), UT(33)}, error_msg),
E({T(1), UT(34), UT(34)}, error_msg),
E({T(1), UT(1000), UT(1000)}, error_msg),
E({T(1), UT::Highest(), UT(1)}, error_msg),
E({T(1), UT(1), UT::Highest()}, error_msg),
E({T(1), UT::Highest(), UT::Highest()}, error_msg),
});
return r;
}
INSTANTIATE_TEST_SUITE_P( //
ExtractBits,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kExtractBits),
testing::ValuesIn(Concat(ExtractBitsCases<i32>(), //
ExtractBitsCases<u32>()))));
template <typename T>
std::vector<Case> LdexpCases() {
using T2 = std::conditional_t<std::is_same_v<T, AFloat>, AInt, i32>;
T2 bias;
if constexpr (std::is_same_v<T, f16>) {
bias = 15;
} else if constexpr (std::is_same_v<T, f32>) {
bias = 127;
} else {
bias = 1023;
}
auto compute = [](T e1, T2 e2) { return T{std::ldexp(e1.value, static_cast<int>(e2.value))}; };
auto r = std::vector<Case>{
C({T(0), T2(0)}, T(0)), //
C({T(7), T2(4)}, T(112)), //
C({T(7), T2(5)}, T(224)), //
C({T(7), T2(6)}, T(448)), //
C({T(7), T2(-4)}, T(0.4375)), //
C({T(7), T2(-5)}, T(0.21875)), //
C({T(7), T2(-6)}, T(0.109375)), //
// With bias exponent
C({T(0), T2(bias)}, T(0)), //
C({T(0), T2(bias + 1)}, T(0)), //
C({T(1), T2(bias)}, compute(T(1), T2(bias))), //
C({T(0.5), T2(bias)}, compute(T(0.5), T2(bias))), //
C({T(0.25), T2(bias)}, compute(T(0.25), T2(bias))), //
// The result may be zero if e2 + bias ≤ 0.
C({T(0), T2(-bias)}, T(0)), //
C({T(0), T2(-bias - 1)}, T(0)), //
C({T(0), T2(-bias - 2)}, T(0)), //
// Vector tests
C({Vec(T(0), T(7), T(7)), Vec(T2(0), T2(4), T2(-4))}, Vec(T(0), T(112), T(0.4375))),
};
std::string e2_too_large_error_msg =
"12:34 error: e2 must be less than or equal to " + std::to_string(bias + 1);
auto val_overflow_error_msg = [](auto val) {
return "12:34 error: " + OverflowErrorMessage(val, FriendlyName<T>());
};
ConcatInto(r, std::vector<Case>{
// e2 is > bias + 1
E({T(0), T2(bias + 2)}, e2_too_large_error_msg),
E({T(0), T2(bias + 1000)}, e2_too_large_error_msg),
E({T(0), T2::Highest()}, e2_too_large_error_msg),
// Result is inf
E({T(1), T2(bias + 1)}, val_overflow_error_msg(T::Inf())),
E({T(2), T2(bias + 1)}, val_overflow_error_msg(T::Inf())),
E({T::Highest(), T2(bias + 1)}, val_overflow_error_msg(T::Inf())),
E({T(-1), T2(bias + 1)}, val_overflow_error_msg(-T::Inf())),
E({T(-2), T2(bias + 1)}, val_overflow_error_msg(-T::Inf())),
E({T::Lowest(), T2(bias + 1)}, val_overflow_error_msg(-T::Inf())),
});
return r;
}
INSTANTIATE_TEST_SUITE_P( //
Ldexp,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kLdexp),
testing::ValuesIn(Concat(LdexpCases<AFloat>(), //
LdexpCases<f32>(),
LdexpCases<f16>()))));
template <typename T>
std::vector<Case> LengthCases() {
const auto kSqrtOfHighest = T(std::sqrt(T::Highest()));
const auto kSqrtOfHighestSquared = T(kSqrtOfHighest * kSqrtOfHighest);
auto error_msg = [](auto a, const char* op, auto b) {
return "12:34 error: " + OverflowErrorMessage(a, op, b) + R"(
12:34 note: when calculating length)";
};
return {
C({T(0)}, T(0)),
C({Vec(T(0), T(0))}, Val(T(0))),
C({Vec(T(0), T(0), T(0))}, Val(T(0))),
C({Vec(T(0), T(0), T(0), T(0))}, Val(T(0))),
C({T(1)}, T(1)),
C({Vec(T(1), T(1))}, Val(T(std::sqrt(2)))),
C({Vec(T(1), T(1), T(1))}, Val(T(std::sqrt(3)))),
C({Vec(T(1), T(1), T(1), T(1))}, Val(T(std::sqrt(4)))),
C({T(2)}, T(2)),
C({Vec(T(2), T(2))}, Val(T(std::sqrt(8)))),
C({Vec(T(2), T(2), T(2))}, Val(T(std::sqrt(12)))),
C({Vec(T(2), T(2), T(2), T(2))}, Val(T(std::sqrt(16)))),
C({Vec(T(2), T(3))}, Val(T(std::sqrt(13)))),
C({Vec(T(2), T(3), T(4))}, Val(T(std::sqrt(29)))),
C({Vec(T(2), T(3), T(4), T(5))}, Val(T(std::sqrt(54)))),
C({T(-5)}, T(5)),
C({T::Highest()}, T::Highest()),
C({T::Lowest()}, T::Highest()),
C({Vec(T(-2), T(-3), T(-4), T(-5))}, Val(T(std::sqrt(54)))),
C({Vec(T(2), T(-3), T(4), T(-5))}, Val(T(std::sqrt(54)))),
C({Vec(T(-2), T(3), T(-4), T(5))}, Val(T(std::sqrt(54)))),
C({Vec(kSqrtOfHighest, T(0))}, Val(kSqrtOfHighest)).FloatComp(0.2),
C({Vec(T(0), kSqrtOfHighest)}, Val(kSqrtOfHighest)).FloatComp(0.2),
C({Vec(-kSqrtOfHighest, T(0))}, Val(kSqrtOfHighest)).FloatComp(0.2),
C({Vec(T(0), -kSqrtOfHighest)}, Val(kSqrtOfHighest)).FloatComp(0.2),
// Overflow when squaring a term
E({Vec(T::Highest(), T(0))}, error_msg(T::Highest(), "*", T::Highest())),
E({Vec(T(0), T::Highest())}, error_msg(T::Highest(), "*", T::Highest())),
// Overflow when adding squared terms
E({Vec(kSqrtOfHighest, kSqrtOfHighest)},
error_msg(kSqrtOfHighestSquared, "+", kSqrtOfHighestSquared)),
};
}
INSTANTIATE_TEST_SUITE_P( //
Length,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kLength),
testing::ValuesIn(Concat(LengthCases<AFloat>(), //
LengthCases<f32>(),
LengthCases<f16>()))));
template <typename T>
std::vector<Case> LogCases() {
auto error_msg = [] { return "12:34 error: log must be called with a value > 0"; };
return {C({T(1)}, T(0)), //
C({T(54.598150033)}, T(4)).FloatComp(0.002), //
E({T::Lowest()}, error_msg()), E({T(0)}, error_msg()), E({-T(0)}, error_msg())};
}
INSTANTIATE_TEST_SUITE_P( //
Log,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kLog),
testing::ValuesIn(Concat(LogCases<AFloat>(), //
LogCases<f32>(),
LogCases<f16>()))));
template <typename T>
std::vector<Case> LogF16Cases() {
return {
C({T::Highest()}, T(11.085938)).FloatComp(),
};
}
INSTANTIATE_TEST_SUITE_P( //
LogF16,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kLog),
testing::ValuesIn(LogF16Cases<f16>())));
template <typename T>
std::vector<Case> LogF32Cases() {
return {
C({T::Highest()}, T(88.722839)).FloatComp(),
};
}
INSTANTIATE_TEST_SUITE_P( //
LogF32,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kLog),
testing::ValuesIn(LogF32Cases<f32>())));
template <typename T>
std::vector<Case> LogAbstractCases() {
return {
C({T::Highest()}, T(709.78271)).FloatComp(),
};
}
INSTANTIATE_TEST_SUITE_P( //
LogAbstract,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kLog),
testing::ValuesIn(LogAbstractCases<AFloat>())));
template <typename T>
std::vector<Case> Log2Cases() {
auto error_msg = [] { return "12:34 error: log2 must be called with a value > 0"; };
return {
C({T(1)}, T(0)), //
C({T(4)}, T(2)), //
E({T::Lowest()}, error_msg()),
E({T(0)}, error_msg()),
E({-T(0)}, error_msg()),
};
}
INSTANTIATE_TEST_SUITE_P( //
Log2,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kLog2),
testing::ValuesIn(Concat(Log2Cases<AFloat>(), //
Log2Cases<f32>(),
Log2Cases<f16>()))));
template <typename T>
std::vector<Case> Log2F16Cases() {
return {
C({T::Highest()}, T(15.9922)).FloatComp(),
};
}
INSTANTIATE_TEST_SUITE_P( //
Log2F16,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kLog2),
testing::ValuesIn(Log2F16Cases<f16>())));
template <typename T>
std::vector<Case> Log2F32Cases() {
return {
C({T::Highest()}, T(128)).FloatComp(),
};
}
INSTANTIATE_TEST_SUITE_P( //
Log2F32,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kLog2),
testing::ValuesIn(Log2F32Cases<f32>())));
template <typename T>
std::vector<Case> Log2AbstractCases() {
return {
C({T::Highest()}, T(1024)).FloatComp(),
};
}
INSTANTIATE_TEST_SUITE_P( //
Log2Abstract,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kLog2),
testing::ValuesIn(Log2AbstractCases<AFloat>())));
template <typename T>
std::vector<Case> MaxCases() {
return {
C({T(0), T(0)}, T(0)),
C({T(0), T::Highest()}, T::Highest()),
C({T::Lowest(), T(0)}, T(0)),
C({T::Highest(), T::Lowest()}, T::Highest()),
C({T::Highest(), T::Highest()}, T::Highest()),
C({T::Lowest(), T::Lowest()}, T::Lowest()),
// Vector tests
C({Vec(T(0), T(0)), Vec(T(0), T(42))}, Vec(T(0), T(42))),
C({Vec(T::Lowest(), T(0)), Vec(T(0), T::Lowest())}, Vec(T(0), T(0))),
C({Vec(T::Lowest(), T::Highest()), Vec(T::Highest(), T::Lowest())},
Vec(T::Highest(), T::Highest())),
};
}
INSTANTIATE_TEST_SUITE_P( //
Max,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kMax),
testing::ValuesIn(Concat(MaxCases<AInt>(), //
MaxCases<i32>(),
MaxCases<u32>(),
MaxCases<AFloat>(),
MaxCases<f32>(),
MaxCases<f16>()))));
template <typename T>
std::vector<Case> MinCases() {
return {C({T(0), T(0)}, T(0)), //
C({T(0), T(42)}, T(0)), //
C({T::Lowest(), T(0)}, T::Lowest()), //
C({T(0), T::Highest()}, T(0)), //
C({T::Highest(), T::Lowest()}, T::Lowest()),
C({T::Highest(), T::Highest()}, T::Highest()),
C({T::Lowest(), T::Lowest()}, T::Lowest()),
// Vector tests
C({Vec(T(0), T(0)), Vec(T(0), T(42))}, Vec(T(0), T(0))),
C({Vec(T::Lowest(), T(0), T(1)), Vec(T(0), T(42), T::Highest())},
Vec(T::Lowest(), T(0), T(1)))};
}
INSTANTIATE_TEST_SUITE_P( //
Min,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kMin),
testing::ValuesIn(Concat(MinCases<AInt>(), //
MinCases<i32>(),
MinCases<u32>(),
MinCases<AFloat>(),
MinCases<f32>(),
MinCases<f16>()))));
template <typename T>
std::vector<Case> MixCases() {
auto r = std::vector<Case>{
C({T(0), T(1), T(0)}, T(0)), //
C({T(0), T(1), T(1)}, T(1)), //
C({T(0), T(1), T(2)}, T(2)), //
C({T(0), T(1), T::Highest()}, T::Highest()), //
C({T::Lowest(), T::Highest(), T(1)}, T::Highest()), //
C({T::Lowest(), T::Highest(), T(0)}, T::Lowest()), //
C({T(0), T(1), T(0.25)}, T(0.25)), //
C({T(0), T(1), T(0.5)}, T(0.5)), //
C({T(0), T(1), T(0.75)}, T(0.75)), //
C({T(0), T(1000), T(0.25)}, T(250)), //
C({T(0), T(1000), T(0.5)}, T(500)), //
C({T(0), T(1000), T(0.75)}, T(750)), //
// Swap e1 and e2//
C({T(1), T(0), T(0)}, T(1)), //
C({T(1), T(0), T(1)}, T(0)), //
C({T(1), T(0), T(2)}, T(-1)), //
C({T::Highest(), T::Lowest(), T(1)}, T::Lowest()), //
C({T::Highest(), T::Lowest(), T(0)}, T::Highest()), //
C({T(1), T(0), T(0.25)}, T(0.75)), //
C({T(1), T(0), T(0.5)}, T(0.5)), //
C({T(1), T(0), T(0.75)}, T(0.25)), //
C({T(1000), T(0), T(0.25)}, T(750)), //
C({T(1000), T(0), T(0.5)}, T(500)), //
C({T(1000), T(0), T(0.75)}, T(250)),
// mix(vec, vec, vec) cases
C({Vec(T(0), T(0), T(0)), //
Vec(T(1), T(1), T(1)), //
Vec(T(0), T(1), T(2))},
Vec(T(0), T(1), T(2))),
// mix(vec, vec, scalar) cases
C({Vec(T(0), T(1), T(0)), //
Vec(T(1), T(0), T(1000)), //
Val(T(0.25))},
Vec(T(0.25), T(0.75), T(250))),
};
// Can't interpolate lowest value for f16 because (1 - lowest) is not representable as f16.
if constexpr (!std::is_same_v<T, f16>) {
ConcatInto(r, std::vector<Case>{
C({T(0), T(1), T::Lowest()}, T::Lowest()),
C({T(1), T(0), T::Highest()}, T::Lowest()),
});
}
auto error_msg = [](auto a, const char* op, auto b) {
return "12:34 error: " + OverflowErrorMessage(a, op, b) + R"(
12:34 note: when calculating mix)";
};
auto kLargeValue = T{T::Highest() / 2};
// Test f16 separately as it overflows for a different reason at the boundary inputs.
// Specifically, (1 - lowest) fails for f16 because the result is not representable.
if constexpr (!std::is_same_v<T, f16>) {
ConcatInto( //
r,
std::vector<Case>{
E({T(0), T::Highest(), T::Highest()}, error_msg(T::Highest(), "*", T::Highest())),
E({T(0), T::Lowest(), T::Lowest()}, error_msg(T::Lowest(), "*", T::Lowest())),
E({T::Highest(), T(0), T::Lowest()}, error_msg(T::Highest(), "*", T::Highest())),
E({-kLargeValue, kLargeValue, T(2)},
error_msg(T{-kLargeValue * T(1 - 2)}, "+", T{kLargeValue * T(2)})),
});
} else {
ConcatInto( //
r,
std::vector<Case>{
E({T(0), T::Highest(), T::Highest()}, error_msg(T::Highest(), "*", T::Highest())),
E({T(0), T::Lowest(), T::Lowest()}, error_msg(T(1), "-", T::Lowest())),
E({T::Highest(), T(0), T::Lowest()}, error_msg(T(1), "-", T::Lowest())),
E({-kLargeValue, kLargeValue, T(2)},
error_msg(T{-kLargeValue * T(1 - 2)}, "+", T{kLargeValue * T(2)})),
});
}
return r;
}
INSTANTIATE_TEST_SUITE_P( //
Mix,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kMix),
testing::ValuesIn(Concat(MixCases<AFloat>(), //
MixCases<f32>(), //
MixCases<f16>()))));
template <typename T>
std::vector<Case> ModfCases() {
return {
// Scalar tests
// in fract whole
C({T(0.0)}, {T(0.0), T(0.0)}), //
C({T(1.0)}, {T(0.0), T(1.0)}), //
C({T(2.0)}, {T(0.0), T(2.0)}), //
C({T(1.5)}, {T(0.5), T(1.0)}), //
C({T(4.25)}, {T(0.25), T(4.0)}), //
C({T(-1.0)}, {T(0.0), T(-1.0)}), //
C({T(-2.0)}, {T(0.0), T(-2.0)}), //
C({T(-1.5)}, {T(-0.5), T(-1.0)}), //
C({T(-4.25)}, {T(-0.25), T(-4.0)}), //
C({T::Lowest()}, {T(0.0), T::Lowest()}), //
C({T::Highest()}, {T(0.0), T::Highest()}), //
// Vector tests
// in fract whole
C({Vec(T(0.0), T(0.0))}, {Vec(T(0.0), T(0.0)), Vec(T(0.0), T(0.0))}),
C({Vec(T(1.0), T(2.0))}, {Vec(T(0.0), T(0.0)), Vec(T(1), T(2))}),
C({Vec(T(-2.0), T(1.0))}, {Vec(T(0.0), T(0.0)), Vec(T(-2), T(1))}),
C({Vec(T(1.5), T(-2.25))}, {Vec(T(0.5), T(-0.25)), Vec(T(1.0), T(-2.0))}),
C({Vec(T::Lowest(), T::Highest())}, {Vec(T(0.0), T(0.0)), Vec(T::Lowest(), T::Highest())}),
};
}
INSTANTIATE_TEST_SUITE_P( //
Modf,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kModf),
testing::ValuesIn(Concat(ModfCases<AFloat>(), //
ModfCases<f32>(), //
ModfCases<f16>()))));
template <typename T>
std::vector<Case> NormalizeCases() {
auto error_msg = [&](auto a) {
return "12:34 error: " + OverflowErrorMessage(a, "*", a) + R"(
12:34 note: when calculating normalize)";
};
return {
C({Vec(T(2), T(4), T(2))}, Vec(T(0.4082482905), T(0.8164965809), T(0.4082482905)))
.FloatComp(),
C({Vec(T(2), T(0), T(0))}, Vec(T(1), T(0), T(0))),
C({Vec(T(0), T(2), T(0))}, Vec(T(0), T(1), T(0))),
C({Vec(T(0), T(0), T(2))}, Vec(T(0), T(0), T(1))),
C({Vec(-T(2), T(0), T(0))}, Vec(-T(1), T(0), T(0))),
C({Vec(T(0), -T(2), T(0))}, Vec(T(0), -T(1), T(0))),
C({Vec(T(0), T(0), -T(2))}, Vec(T(0), T(0), -T(1))),
E({Vec(T(0), T(0), T(0))}, "12:34 error: zero length vector can not be normalized"),
E({Vec(T::Highest(), T::Highest(), T::Highest())}, error_msg(T::Highest())),
};
}
INSTANTIATE_TEST_SUITE_P( //
Normalize,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kNormalize),
testing::ValuesIn(Concat(NormalizeCases<AFloat>(), //
NormalizeCases<f32>(), //
NormalizeCases<f16>()))));
std::vector<Case> Pack4x8snormCases() {
return {
C({Vec(f32(0), f32(0), f32(0), f32(0))}, Val(u32(0x0000'0000))),
C({Vec(f32(0), f32(0), f32(0), f32(-1))}, Val(u32(0x8100'0000))),
C({Vec(f32(0), f32(0), f32(0), f32(1))}, Val(u32(0x7f00'0000))),
C({Vec(f32(0), f32(0), f32(-1), f32(0))}, Val(u32(0x0081'0000))),
C({Vec(f32(0), f32(1), f32(0), f32(0))}, Val(u32(0x0000'7f00))),
C({Vec(f32(-1), f32(0), f32(0), f32(0))}, Val(u32(0x0000'0081))),
C({Vec(f32(1), f32(-1), f32(1), f32(-1))}, Val(u32(0x817f'817f))),
C({Vec(f32::Highest(), f32(-0.5), f32(0.5), f32::Lowest())}, Val(u32(0x8140'c17f))),
};
}
INSTANTIATE_TEST_SUITE_P( //
Pack4x8snorm,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kPack4X8Snorm),
testing::ValuesIn(Pack4x8snormCases())));
std::vector<Case> Pack4x8unormCases() {
return {
C({Vec(f32(0), f32(0), f32(0), f32(0))}, Val(u32(0x0000'0000))),
C({Vec(f32(0), f32(0), f32(0), f32(1))}, Val(u32(0xff00'0000))),
C({Vec(f32(0), f32(0), f32(1), f32(0))}, Val(u32(0x00ff'0000))),
C({Vec(f32(0), f32(1), f32(0), f32(0))}, Val(u32(0x0000'ff00))),
C({Vec(f32(1), f32(0), f32(0), f32(0))}, Val(u32(0x0000'00ff))),
C({Vec(f32(1), f32(0), f32(1), f32(0))}, Val(u32(0x00ff'00ff))),
C({Vec(f32::Highest(), f32(0), f32(0.5), f32::Lowest())}, Val(u32(0x0080'00ff))),
};
}
INSTANTIATE_TEST_SUITE_P( //
Pack4x8unorm,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kPack4X8Unorm),
testing::ValuesIn(Pack4x8unormCases())));
std::vector<Case> Pack2x16floatCases() {
return {
C({Vec(f32(f16::Lowest()), f32(f16::Highest()))}, Val(u32(0x7bff'fbff))),
C({Vec(f32(1), f32(-1))}, Val(u32(0xbc00'3c00))),
C({Vec(f32(0), f32(0))}, Val(u32(0x0000'0000))),
C({Vec(f32(10), f32(-10.5))}, Val(u32(0xc940'4900))),
E({Vec(f32(0), f32::Highest())},
"12:34 error: value 340282346638528859811704183484516925440.0 cannot be "
"represented as 'f16'"),
E({Vec(f32::Lowest(), f32(0))},
"12:34 error: value -340282346638528859811704183484516925440.0 cannot be "
"represented as 'f16'"),
};
}
INSTANTIATE_TEST_SUITE_P( //
Pack2x16float,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kPack2X16Float),
testing::ValuesIn(Pack2x16floatCases())));
std::vector<Case> Pack2x16snormCases() {
return {
C({Vec(f32(0), f32(0))}, Val(u32(0x0000'0000))),
C({Vec(f32(0), f32(-1))}, Val(u32(0x8001'0000))),
C({Vec(f32(0), f32(1))}, Val(u32(0x7fff'0000))),
C({Vec(f32(-1), f32(0))}, Val(u32(0x0000'8001))),
C({Vec(f32(1), f32(0))}, Val(u32(0x0000'7fff))),
C({Vec(f32(1), f32(-1))}, Val(u32(0x8001'7fff))),
C({Vec(f32::Highest(), f32::Lowest())}, Val(u32(0x8001'7fff))),
C({Vec(f32(-0.5), f32(0.5))}, Val(u32(0x4000'c001))),
};
}
INSTANTIATE_TEST_SUITE_P( //
Pack2x16snorm,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kPack2X16Snorm),
testing::ValuesIn(Pack2x16snormCases())));
std::vector<Case> Pack2x16unormCases() {
return {
C({Vec(f32(0), f32(1))}, Val(u32(0xffff'0000))),
C({Vec(f32(1), f32(0))}, Val(u32(0x0000'ffff))),
C({Vec(f32(0.5), f32(0))}, Val(u32(0x0000'8000))),
C({Vec(f32::Highest(), f32::Lowest())}, Val(u32(0x0000'ffff))),
};
}
INSTANTIATE_TEST_SUITE_P( //
Pack2x16unorm,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kPack2X16Unorm),
testing::ValuesIn(Pack2x16unormCases())));
template <typename T>
std::vector<Case> PowCases() {
auto error_msg = [](auto base, auto exp) {
return "12:34 error: " + OverflowErrorMessage(base, "^", exp);
};
return {
C({T(0), T(1)}, T(0)), //
C({T(0), T::Highest()}, T(0)), //
C({T(1), T(1)}, T(1)), //
C({T(1), T::Lowest()}, T(1)), //
C({T(2), T(2)}, T(4)), //
C({T(2), T(3)}, T(8)), //
// Positive base, negative exponent
C({T(1), T::Highest()}, T(1)), //
C({T(1), -T(1)}, T(1)), //
C({T(2), -T(2)}, T(0.25)), //
C({T(2), -T(3)}, T(0.125)), //
// Decimal values
C({T(2.5), T(3)}, T(15.625)), //
C({T(2), T(3.5)}, T(11.313708498)).FloatComp(), //
C({T(2.5), T(3.5)}, T(24.705294220)).FloatComp(), //
C({T(2), -T(3.5)}, T(0.0883883476)).FloatComp(), //
// Vector tests
C({Vec(T(0), T(1), T(2)), Vec(T(2), T(2), T(2))}, Vec(T(0), T(1), T(4))),
C({Vec(T(2), T(2), T(2)), Vec(T(2), T(3), T(4))}, Vec(T(4), T(8), T(16))),
// Error if base < 0
E({-T(1), T(1)}, error_msg(-T(1), T(1))),
E({-T(1), T::Highest()}, error_msg(-T(1), T::Highest())),
E({T::Lowest(), T(1)}, error_msg(T::Lowest(), T(1))),
E({T::Lowest(), T::Highest()}, error_msg(T::Lowest(), T::Highest())),
E({T::Lowest(), T::Lowest()}, error_msg(T::Lowest(), T::Lowest())),
// Error if base == 0 and exp <= 0
E({T(0), T(0)}, error_msg(T(0), T(0))),
E({T(0), -T(1)}, error_msg(T(0), -T(1))),
E({T(0), T::Lowest()}, error_msg(T(0), T::Lowest())),
};
}
INSTANTIATE_TEST_SUITE_P( //
Pow,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kPow),
testing::ValuesIn(Concat(PowCases<AFloat>(), //
PowCases<f32>(), //
PowCases<f16>()))));
template <typename T>
std::vector<Case> ReverseBitsCases() {
using B = BitValues<T>;
return {
C({T(0)}, T(0)),
C({B::Lsh(1, 0)}, B::Lsh(1, 31)), //
C({B::Lsh(1, 1)}, B::Lsh(1, 30)), //
C({B::Lsh(1, 2)}, B::Lsh(1, 29)), //
C({B::Lsh(1, 3)}, B::Lsh(1, 28)), //
C({B::Lsh(1, 4)}, B::Lsh(1, 27)), //
//...
C({B::Lsh(1, 27)}, B::Lsh(1, 4)), //
C({B::Lsh(1, 28)}, B::Lsh(1, 3)), //
C({B::Lsh(1, 29)}, B::Lsh(1, 2)), //
C({B::Lsh(1, 30)}, B::Lsh(1, 1)), //
C({B::Lsh(1, 31)}, B::Lsh(1, 0)), //
C({/**/ T(0b00010001000100010000000000000000)},
/* */ T(0b00000000000000001000100010001000)),
C({/**/ T(0b00011000000110000000000000000000)},
/* */ T(0b00000000000000000001100000011000)),
C({/**/ T(0b00000100000000001111111111111111)},
/* */ T(0b11111111111111110000000000100000)),
C({/**/ T(0b10010101111000110000011111101010)},
/* */ T(0b01010111111000001100011110101001)),
// Vector tests
C({/**/ Vec(T(0b00010001000100010000000000000000), //
T(0b00011000000110000000000000000000), //
T(0b00000000000000001111111111111111))},
/* */ Vec(T(0b00000000000000001000100010001000), //
T(0b00000000000000000001100000011000), //
T(0b11111111111111110000000000000000))),
};
}
INSTANTIATE_TEST_SUITE_P( //
ReverseBits,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kReverseBits),
testing::ValuesIn(Concat(ReverseBitsCases<i32>(), //
ReverseBitsCases<u32>()))));
template <typename T>
std::vector<Case> ReflectCases() {
auto pos_y = Vec(T(0), T(1), T(0));
auto neg_y = Vec(T(0), -T(1), T(0));
auto pos_large_y = Vec(T(0), T(10000), T(0));
auto neg_large_y = Vec(T(0), -T(10000), T(0));
auto cos_45 = T(0.70710678118654752440084436210485);
auto pos_xyz = Vec(cos_45, cos_45, cos_45);
auto r = std::vector<Case>{
C({Vec(T(1), -T(1), T(0)), pos_y}, Vec(T(1), T(1), T(0))),
C({Vec(T(24), -T(42), T(0)), pos_y}, Vec(T(24), T(42), T(0))),
// Flipping reflection vector doesn't change the result
C({Vec(T(1), -T(1), T(0)), neg_y}, Vec(T(1), T(1), T(0))),
C({Vec(T(24), -T(42), T(0)), neg_y}, Vec(T(24), T(42), T(0))),
// Parallel input and reflection vectors: result is negation of input
C({pos_y, pos_y}, neg_y),
C({neg_y, pos_y}, pos_y),
C({pos_large_y, pos_y}, neg_large_y),
C({neg_large_y, pos_y}, pos_large_y),
// Input axis vectors reflected by normalized(vec(1,1,1)) vector.
C({Vec(T(1), T(0), T(0)), pos_xyz}, Vec(T(0), -T(1), -T(1))).FloatComp(0.02),
C({Vec(T(0), T(1), T(0)), pos_xyz}, Vec(-T(1), T(0), -T(1))).FloatComp(0.02),
C({Vec(T(0), T(0), T(1)), pos_xyz}, Vec(-T(1), -T(1), T(0))).FloatComp(0.02),
C({Vec(-T(1), T(0), T(0)), pos_xyz}, Vec(T(0), T(1), T(1))).FloatComp(0.02),
C({Vec(T(0), -T(1), T(0)), pos_xyz}, Vec(T(1), T(0), T(1))).FloatComp(0.02),
C({Vec(T(0), T(0), -T(1)), pos_xyz}, Vec(T(1), T(1), T(0))).FloatComp(0.02),
};
auto error_msg = [](auto a, const char* op, auto b) {
return "12:34 error: " + OverflowErrorMessage(a, op, b) + R"(
12:34 note: when calculating reflect)";
};
ConcatInto( //
r, std::vector<Case>{
// Overflow the dot product operation
E({Vec(T::Highest(), T::Highest(), T(0)), Vec(T(1), T(1), T(0))},
error_msg(T::Highest(), "+", T::Highest())),
E({Vec(T::Lowest(), T::Lowest(), T(0)), Vec(T(1), T(1), T(0))},
error_msg(T::Lowest(), "+", T::Lowest())),
});
return r;
}
INSTANTIATE_TEST_SUITE_P( //
Reflect,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kReflect),
testing::ValuesIn(Concat(ReflectCases<AFloat>(), //
ReflectCases<f32>(), //
ReflectCases<f16>()))));
template <typename T>
std::vector<Case> RefractCases() {
// Returns "eta" (Greek letter) that denotes the ratio of indices of refraction for the input
// and output vector angles from the normal vector.
auto eta = [](auto angle1, auto angle2) {
// Snell's law: sin(angle1) / sin(angle2) == n2 / n1
// We want the ratio of n1 to n2, so sin(angle2) / sin(angle1)
auto angle1_rads = T(angle1) * kPi<T> / T(180);
auto angle2_rads = T(angle2) * kPi<T> / T(180);
return T(std::sin(angle2_rads) / std::sin(angle1_rads));
};
auto zero = Vec(T(0), T(0), T(0));
auto pos_y = Vec(T(0), T(1), T(0));
auto neg_y = Vec(T(0), -T(1), T(0));
auto pos_x = Vec(T(1), T(0), T(0));
auto neg_x = Vec(-T(1), T(0), T(0));
auto cos_45 = T(0.70710678118654752440084436210485);
auto cos_30 = T(0.86602540378443864676372317075294);
auto down_right = Vec(T(cos_45), -T(cos_45), T(0));
auto up_right = Vec(T(cos_45), T(cos_45), T(0));
auto eps = 0.001;
if constexpr (std::is_same_v<T, f16>) {
eps = 0.1;
}
auto r = std::vector<Case>{
// e3 (eta) == 1, no refraction, so input is same as output
C({down_right, pos_y, Val(T(1))}, down_right),
C({neg_y, pos_y, Val(T(1))}, neg_y),
// Varying etas
C({down_right, pos_y, Val(eta(45, 45))}, down_right).FloatComp(eps), // e3 == 1
C({down_right, pos_y, Val(eta(45, 30))}, Vec(T(0.5), -T(cos_30), T(0))).FloatComp(eps),
C({down_right, pos_y, Val(eta(45, 60))}, Vec(T(cos_30), -T(0.5), T(0))).FloatComp(eps),
C({down_right, pos_y, Val(eta(45, 90))}, Vec(T(1), T(0), T(0))).FloatComp(eps),
// Flip input and normal, same result
C({up_right, neg_y, Val(eta(45, 45))}, up_right).FloatComp(eps), // e3 == 1
C({up_right, neg_y, Val(eta(45, 30))}, Vec(T(0.5), T(cos_30), T(0))).FloatComp(eps),
C({up_right, neg_y, Val(eta(45, 60))}, Vec(T(cos_30), T(0.5), T(0))).FloatComp(eps),
C({up_right, neg_y, Val(eta(45, 90))}, Vec(T(1), T(0), T(0))).FloatComp(eps),
// Flip only normal, result is flipped
C({down_right, neg_y, Val(eta(45, 45))}, up_right).FloatComp(eps), // e3 == 1
C({down_right, neg_y, Val(eta(45, 30))}, Vec(T(0.5), T(cos_30), T(0))).FloatComp(eps),
C({down_right, neg_y, Val(eta(45, 60))}, Vec(T(cos_30), T(0.5), T(0))).FloatComp(eps),
C({down_right, neg_y, Val(eta(45, 90))}, Vec(T(1), T(0), T(0))).FloatComp(eps),
// If k < 0.0, returns the refraction vector 0.0
C({down_right, pos_y, Val(T(2))}, zero).FloatComp(eps),
// A few more with a different normal (e2)
C({down_right, neg_x, Val(eta(45, 45))}, down_right).FloatComp(eps), // e3 == 1
C({down_right, neg_x, Val(eta(45, 30))}, Vec(cos_30, -T(0.5), T(0))).FloatComp(eps),
C({down_right, neg_x, Val(eta(45, 60))}, Vec(T(0.5), -T(cos_30), T(0))).FloatComp(eps),
};
auto error_msg = [](auto a, const char* op, auto b) {
return "12:34 error: " + OverflowErrorMessage(a, op, b) + R"(
12:34 note: when calculating refract)";
};
ConcatInto( //
r,
std::vector<Case>{
// Overflow the dot product operation
E({Vec(T::Highest(), T::Highest(), T(0)), Vec(T(1), T(1), T(0)), Val(T(1))},
error_msg(T::Highest(), "+", T::Highest())),
E({Vec(T::Lowest(), T::Lowest(), T(0)), Vec(T(1), T(1), T(0)), Val(T(1))},
error_msg(T::Lowest(), "+", T::Lowest())),
// Overflow the k^2 operation
E({down_right, pos_y, Val(T::Highest())}, error_msg(T::Highest(), "*", T::Highest())),
});
ConcatIntoIf<std::is_same_v<T, f32>>( //
r, std::vector<Case>{
// Overflow the final multiply by e2 operation
// From https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58526
E({Vec(T(-2.22218755e-15), T(0)), Vec(T(-198225753253481323832809619456.0), T(0)),
Val(T(40.0313720703125))},
error_msg(T(35267222007971840.0), "*", T(-198225753253481323832809619456.0))),
});
return r;
}
INSTANTIATE_TEST_SUITE_P( //
Refract,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kRefract),
testing::ValuesIn(Concat(RefractCases<AFloat>(), //
RefractCases<f32>(), //
RefractCases<f16>()))));
template <typename T>
std::vector<Case> RadiansCases() {
return {
C({T(0)}, T(0)), //
C({-T(0)}, -T(0)), //
C({T(40)}, T(0.69813168)).FloatComp(), //
C({-T(90)}, -T(1.5707964)).FloatComp(), //
C({T(90)}, T(1.5707964)).FloatComp(), //
C({T(360)}, T(6.2831855)).FloatComp(),
};
}
INSTANTIATE_TEST_SUITE_P( //
Radians,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kRadians),
testing::ValuesIn(Concat(RadiansCases<AFloat>(), //
RadiansCases<f32>()))));
template <typename T>
std::vector<Case> RadiansF16Cases() {
return {
C({T(0)}, T(0)), //
C({-T(0)}, -T(0)), //
C({T(40)}, T(0.69726562)).FloatComp(), //
C({-T(90)}, -T(1.5693359)).FloatComp(), //
C({T(90)}, T(1.5693359)).FloatComp(), //
C({T(360)}, T(6.2773438)).FloatComp(),
};
}
INSTANTIATE_TEST_SUITE_P( //
RadiansF16,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kRadians),
testing::ValuesIn(RadiansF16Cases<f16>())));
template <typename T>
std::vector<Case> RoundCases() {
return {
C({T(0.0)}, T(0.0)), //
C({-T(0.0)}, -T(0.0)), //
C({T(1.5)}, T(2.0)), //
C({T(2.5)}, T(2.0)), //
C({T(2.4)}, T(2.0)), //
C({T(2.6)}, T(3.0)), //
C({T(1.49999)}, T(1.0)), //
C({T(1.50001)}, T(2.0)), //
C({-T(1.5)}, -T(2.0)), //
C({-T(2.5)}, -T(2.0)), //
C({-T(2.6)}, -T(3.0)), //
C({-T(2.4)}, -T(2.0)), //
// Vector tests
C({Vec(T(0.0), T(1.5), T(2.5))}, Vec(T(0.0), T(2.0), T(2.0))),
};
}
INSTANTIATE_TEST_SUITE_P( //
Round,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kRound),
testing::ValuesIn(Concat(RoundCases<AFloat>(), //
RoundCases<f32>(),
RoundCases<f16>()))));
template <typename T>
std::vector<Case> SaturateCases() {
return {
C({T(0)}, T(0)),
C({T(1)}, T(1)),
C({T::Lowest()}, T(0)),
C({T::Highest()}, T(1)),
// Vector tests
C({Vec(T(0), T(0))}, //
Vec(T(0), T(0))), //
C({Vec(T(1), T(1))}, //
Vec(T(1), T(1))), //
C({Vec(T::Lowest(), T(0), T::Highest())}, //
Vec(T(0), T(0), T(1))),
};
}
INSTANTIATE_TEST_SUITE_P( //
Saturate,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kSaturate),
testing::ValuesIn(Concat(SaturateCases<AFloat>(), //
SaturateCases<f32>(),
SaturateCases<f16>()))));
template <typename T>
std::vector<Case> SelectCases() {
return {
C({Val(T{1}), Val(T{2}), Val(false)}, Val(T{1})),
C({Val(T{1}), Val(T{2}), Val(true)}, Val(T{2})),
C({Val(T{2}), Val(T{1}), Val(false)}, Val(T{2})),
C({Val(T{2}), Val(T{1}), Val(true)}, Val(T{1})),
C({Vec(T{1}, T{2}), Vec(T{3}, T{4}), Vec(false, false)}, Vec(T{1}, T{2})),
C({Vec(T{1}, T{2}), Vec(T{3}, T{4}), Vec(false, true)}, Vec(T{1}, T{4})),
C({Vec(T{1}, T{2}), Vec(T{3}, T{4}), Vec(true, false)}, Vec(T{3}, T{2})),
C({Vec(T{1}, T{2}), Vec(T{3}, T{4}), Vec(true, true)}, Vec(T{3}, T{4})),
C({Vec(T{1}, T{1}, T{2}, T{2}), //
Vec(T{2}, T{2}, T{1}, T{1}), //
Vec(false, true, false, true)}, //
Vec(T{1}, T{2}, T{2}, T{1})), //
};
}
static std::vector<Case> SelectBoolCases() {
return {
C({Val(true), Val(false), Val(false)}, Val(true)),
C({Val(true), Val(false), Val(true)}, Val(false)),
C({Val(false), Val(true), Val(true)}, Val(true)),
C({Val(false), Val(true), Val(false)}, Val(false)),
C({Vec(true, true, false, false), //
Vec(false, false, true, true), //
Vec(false, true, true, false)}, //
Vec(true, false, true, false)), //
};
}
INSTANTIATE_TEST_SUITE_P( //
Select,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kSelect),
testing::ValuesIn(Concat(SelectCases<AInt>(), //
SelectCases<i32>(),
SelectCases<u32>(),
SelectCases<AFloat>(),
SelectCases<f32>(),
SelectCases<f16>(),
SelectBoolCases()))));
template <typename T>
std::vector<Case> SignCases() {
std::vector<Case> cases = {
C({T(0)}, T(0)),
C({-T(0)}, T(0)),
C({-T(1)}, -T(1)),
C({-T(10)}, -T(1)),
C({-T(100)}, -T(1)),
C({T(1)}, T(1)),
C({T(10)}, T(1)),
C({T(100)}, T(1)),
C({T::Highest()}, T(1.0)),
C({T::Lowest()}, -T(1.0)),
// Vector tests
C({Vec(T::Highest(), T::Lowest())}, Vec(T(1.0), -T(1.0))),
};
ConcatIntoIf<IsFloatingPoint<T>>(
cases, std::vector<Case>{
C({-T(0.5)}, -T(1)),
C({T(0.5)}, T(1)),
C({Vec(-T(0.5), T(0), T(0.5))}, Vec(-T(1.0), T(0.0), T(1.0))),
});
return cases;
}
INSTANTIATE_TEST_SUITE_P( //
Sign,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kSign),
testing::ValuesIn(Concat(SignCases<AInt>(), //
SignCases<i32>(),
SignCases<AFloat>(),
SignCases<f32>(),
SignCases<f16>()))));
template <typename T>
std::vector<Case> SinCases() {
return {
C({-T(0)}, -T(0)),
C({T(0)}, T(0)),
C({T(0.75)}, T(0.68163876)).FloatComp(),
C({-T(0.75)}, -T(0.68163876)).FloatComp(),
// Vector test
C({Vec(T(0), -T(0), T(0.75))}, Vec(T(0), -T(0), T(0.68163876))).FloatComp(),
};
}
INSTANTIATE_TEST_SUITE_P( //
Sin,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kSin),
testing::ValuesIn(Concat(SinCases<AFloat>(), //
SinCases<f32>(),
SinCases<f16>()))));
template <typename T>
std::vector<Case> SinhCases() {
auto error_msg = [](auto a) {
return "12:34 error: " + OverflowErrorMessage(a, FriendlyName<decltype(a)>());
};
return {
C({T(0)}, T(0)),
C({-T(0)}, -T(0)),
C({T(1)}, T(1.1752012)).FloatComp(),
C({T(-1)}, -T(1.1752012)).FloatComp(),
// Vector tests
C({Vec(T(0), -T(0), T(1))}, Vec(T(0), -T(0), T(1.1752012))).FloatComp(),
E({T(10000)}, error_msg(T::Inf())),
};
}
INSTANTIATE_TEST_SUITE_P( //
Sinh,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kSinh),
testing::ValuesIn(Concat(SinhCases<AFloat>(), //
SinhCases<f32>(),
SinhCases<f16>()))));
template <typename T>
std::vector<Case> SmoothstepCases() {
auto error_msg = [](auto a, const char* op, auto b) {
return "12:34 error: " + OverflowErrorMessage(a, op, b) + R"(
12:34 note: when calculating smoothstep)";
};
return {
// t == 0
C({T(4), T(6), T(2)}, T(0)),
// t == 1
C({T(4), T(6), T(8)}, T(1)),
// t == .5
C({T(4), T(6), T(5)}, T(.5)),
// Vector tests
C({Vec(T(4), T(4)), Vec(T(6), T(6)), Vec(T(2), T(8))}, Vec(T(0), T(1))),
// `x - low` underflows
E({T::Highest(), T(1), T::Lowest()}, error_msg(T::Lowest(), "-", T::Highest())),
// `high - low` underflows
E({T::Highest(), T::Lowest(), T(0)}, error_msg(T::Lowest(), "-", T::Highest())),
// Divide by zero on `(x - low) / (high - low)`
E({T(0), T(0), T(0)}, error_msg(T(0), "/", T(0))),
};
}
INSTANTIATE_TEST_SUITE_P( //
Smoothstep,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kSmoothstep),
testing::ValuesIn(Concat(SmoothstepCases<AFloat>(), //
SmoothstepCases<f32>(),
SmoothstepCases<f16>()))));
template <typename T>
std::vector<Case> StepCases() {
return {
C({T(0), T(0)}, T(1.0)),
C({T(0), T(0.5)}, T(1.0)),
C({T(0.5), T(0)}, T(0.0)),
C({T(1), T(0.5)}, T(0.0)),
C({T(0.5), T(1)}, T(1.0)),
C({T(1.5), T(1)}, T(0.0)),
C({T(1), T(1.5)}, T(1.0)),
C({T(-1), T(1)}, T(1.0)),
C({T(-1), T(1)}, T(1.0)),
C({T(1), T(-1)}, T(0.0)),
C({T(-1), T(-1.5)}, T(0.0)),
C({T(-1.5), T(-1)}, T(1.0)),
C({T::Highest(), T::Lowest()}, T(0.0)),
C({T::Lowest(), T::Highest()}, T(1.0)),
// Vector tests
C({Vec(T(0), T(0)), Vec(T(0), T(0))}, Vec(T(1.0), T(1.0))),
C({Vec(T(-1), T(1)), Vec(T(0), T(0))}, Vec(T(1.0), T(0.0))),
C({Vec(T::Highest(), T::Lowest()), Vec(T::Lowest(), T::Highest())}, Vec(T(0.0), T(1.0))),
};
}
INSTANTIATE_TEST_SUITE_P( //
Step,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kStep),
testing::ValuesIn(Concat(StepCases<AFloat>(), //
StepCases<f32>(),
StepCases<f16>()))));
template <typename T>
std::vector<Case> SqrtCases() {
return {
C({-T(0)}, -T(0)), //
C({T(0)}, T(0)), //
C({T(25)}, T(5)),
// Vector tests
C({Vec(T(25), T(100))}, Vec(T(5), T(10))),
E({-T(25)}, "12:34 error: sqrt must be called with a value >= 0"),
};
}
INSTANTIATE_TEST_SUITE_P( //
Sqrt,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kSqrt),
testing::ValuesIn(Concat(SqrtCases<AFloat>(), //
SqrtCases<f32>(),
SqrtCases<f16>()))));
template <typename T>
std::vector<Case> TanCases() {
return {
C({-T(0)}, -T(0)),
C({T(0)}, T(0)),
C({T(.75)}, T(0.9315964599)).FloatComp(),
// Vector test
C({Vec(T(0), -T(0), T(.75))}, Vec(T(0), -T(0), T(0.9315964599))).FloatComp(),
};
}
INSTANTIATE_TEST_SUITE_P( //
Tan,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kTan),
testing::ValuesIn(Concat(TanCases<AFloat>(), //
TanCases<f32>(),
TanCases<f16>()))));
template <typename T>
std::vector<Case> TanhCases() {
return {
C({T(0)}, T(0)),
C({-T(0)}, -T(0)),
C({T(1)}, T(0.761594156)).FloatComp(),
C({T(-1)}, -T(0.761594156)).FloatComp(),
// Vector tests
C({Vec(T(0), -T(0), T(1))}, Vec(T(0), -T(0), T(0.761594156))).FloatComp(),
};
}
INSTANTIATE_TEST_SUITE_P( //
Tanh,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kTanh),
testing::ValuesIn(Concat(TanhCases<AFloat>(), //
TanhCases<f32>(),
TanhCases<f16>()))));
template <typename T>
std::vector<Case> TransposeCases() {
return {
// 2x2
C({Mat({T(1), T(2)}, //
{T(3), T(4)})}, //
Mat({T(1), T(3)}, //
{T(2), T(4)})),
// 3x3
C({Mat({T(1), T(2), T(3)}, //
{T(4), T(5), T(6)}, //
{T(7), T(8), T(9)})}, //
Mat({T(1), T(4), T(7)}, //
{T(2), T(5), T(8)}, //
{T(3), T(6), T(9)})),
// 4x4
C({Mat({T(1), T(2), T(3), T(4)}, //
{T(5), T(6), T(7), T(8)}, //
{T(9), T(10), T(11), T(12)}, //
{T(13), T(14), T(15), T(16)})}, //
Mat({T(1), T(5), T(9), T(13)}, //
{T(2), T(6), T(10), T(14)}, //
{T(3), T(7), T(11), T(15)}, //
{T(4), T(8), T(12), T(16)})),
// 4x2
C({Mat({T(1), T(2), T(3), T(4)}, //
{T(5), T(6), T(7), T(8)})}, //
Mat({T(1), T(5)}, //
{T(2), T(6)}, //
{T(3), T(7)}, //
{T(4), T(8)})),
// 2x4
C({Mat({T(1), T(2)}, //
{T(3), T(4)}, //
{T(5), T(6)}, //
{T(7), T(8)})}, //
Mat({T(1), T(3), T(5), T(7)}, //
{T(2), T(4), T(6), T(8)})),
// 3x2
C({Mat({T(1), T(2), T(3)}, //
{T(4), T(5), T(6)})}, //
Mat({T(1), T(4)}, //
{T(2), T(5)}, //
{T(3), T(6)})),
// 2x3
C({Mat({T(1), T(2)}, //
{T(3), T(4)}, //
{T(5), T(6)})}, //
Mat({T(1), T(3), T(5)}, //
{T(2), T(4), T(6)})),
};
}
INSTANTIATE_TEST_SUITE_P( //
Transpose,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kTranspose),
testing::ValuesIn(Concat(TransposeCases<AFloat>(), //
TransposeCases<f32>(),
TransposeCases<f16>()))));
template <typename T>
std::vector<Case> TruncCases() {
return {C({T(0)}, T(0)), //
C({-T(0)}, -T(0)), //
C({T(1.5)}, T(1)), //
C({-T(1.5)}, -T(1)),
// Vector tests
C({Vec(T(0.0), T(1.5), -T(2.2))}, Vec(T(0), T(1), -T(2)))};
}
INSTANTIATE_TEST_SUITE_P( //
Trunc,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kTrunc),
testing::ValuesIn(Concat(TruncCases<AFloat>(), //
TruncCases<f32>(),
TruncCases<f16>()))));
std::vector<Case> Unpack4x8snormCases() {
return {
C({Val(u32(0x0000'0000))}, Vec(f32(0), f32(0), f32(0), f32(0))),
C({Val(u32(0x8100'0000))}, Vec(f32(0), f32(0), f32(0), f32(-1))),
C({Val(u32(0x7f00'0000))}, Vec(f32(0), f32(0), f32(0), f32(1))),
C({Val(u32(0x0081'0000))}, Vec(f32(0), f32(0), f32(-1), f32(0))),
C({Val(u32(0x0000'7f00))}, Vec(f32(0), f32(1), f32(0), f32(0))),
C({Val(u32(0x0000'0081))}, Vec(f32(-1), f32(0), f32(0), f32(0))),
C({Val(u32(0x817f'817f))}, Vec(f32(1), f32(-1), f32(1), f32(-1))),
C({Val(u32(0x816d'937f))},
Vec(f32(1), f32(-0.8582677165354), f32(0.8582677165354), f32(-1))),
};
}
INSTANTIATE_TEST_SUITE_P( //
Unpack4x8snorm,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kUnpack4X8Snorm),
testing::ValuesIn(Unpack4x8snormCases())));
std::vector<Case> Unpack4x8unormCases() {
return {
C({Val(u32(0x0000'0000))}, Vec(f32(0), f32(0), f32(0), f32(0))),
C({Val(u32(0xff00'0000))}, Vec(f32(0), f32(0), f32(0), f32(1))),
C({Val(u32(0x00ff'0000))}, Vec(f32(0), f32(0), f32(1), f32(0))),
C({Val(u32(0x0000'ff00))}, Vec(f32(0), f32(1), f32(0), f32(0))),
C({Val(u32(0x0000'00ff))}, Vec(f32(1), f32(0), f32(0), f32(0))),
C({Val(u32(0x00ff'00ff))}, Vec(f32(1), f32(0), f32(1), f32(0))),
C({Val(u32(0x0066'00ff))}, Vec(f32(1), f32(0), f32(0.4), f32(0))),
};
}
INSTANTIATE_TEST_SUITE_P( //
Unpack4x8unorm,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kUnpack4X8Unorm),
testing::ValuesIn(Unpack4x8unormCases())));
std::vector<Case> Unpack2x16floatCases() {
return {
C({Val(u32(0x7bff'fbff))}, Vec(f32(f16::Lowest()), f32(f16::Highest()))),
C({Val(u32(0xbc00'3c00))}, Vec(f32(1), f32(-1))),
C({Val(u32(0x0000'0000))}, Vec(f32(0), f32(0))),
C({Val(u32(0xc940'4900))}, Vec(f32(10), f32(-10.5))),
};
}
INSTANTIATE_TEST_SUITE_P( //
Unpack2x16float,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kUnpack2X16Float),
testing::ValuesIn(Unpack2x16floatCases())));
std::vector<Case> Unpack2x16snormCases() {
return {
C({Val(u32(0x0000'0000))}, Vec(f32(0), f32(0))),
C({Val(u32(0x8001'0000))}, Vec(f32(0), f32(-1))),
C({Val(u32(0x7fff'0000))}, Vec(f32(0), f32(1))),
C({Val(u32(0x0000'8001))}, Vec(f32(-1), f32(0))),
C({Val(u32(0x0000'7fff))}, Vec(f32(1), f32(0))),
C({Val(u32(0x8001'7fff))}, Vec(f32(1), f32(-1))),
C({Val(u32(0x8001'7fff))}, Vec(f32(1), f32(-1))),
C({Val(u32(0x4000'999a))}, Vec(f32(-0.80001220740379), f32(0.500015259254737))).FloatComp(),
};
}
INSTANTIATE_TEST_SUITE_P( //
Unpack2x16snorm,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kUnpack2X16Snorm),
testing::ValuesIn(Unpack2x16snormCases())));
std::vector<Case> Unpack2x16unormCases() {
return {
C({Val(u32(0xffff'0000))}, Vec(f32(0), f32(1))),
C({Val(u32(0x0000'ffff))}, Vec(f32(1), f32(0))),
C({Val(u32(0x0000'6666))}, Vec(f32(0.4), f32(0))),
C({Val(u32(0x0000'ffff))}, Vec(f32(1), f32(0))),
};
}
INSTANTIATE_TEST_SUITE_P( //
Unpack2x16unorm,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kUnpack2X16Unorm),
testing::ValuesIn(Unpack2x16unormCases())));
std::vector<Case> QuantizeToF16Cases() {
return {
C({0_f}, 0_f), //
C({-0_f}, -0_f), //
C({1_f}, 1_f), //
C({-1_f}, -1_f), //
// 0.00006106496 quantized to 0.000061035156 = 0x1p-14
C({0.00006106496_f}, 0.000061035156_f), //
C({-0.00006106496_f}, -0.000061035156_f), //
// 1.0004883 quantized to 1.0 = 0x1p0
C({1.0004883_f}, 1.0_f), //
C({-1.0004883_f}, -1.0_f), //
// 8196.0 quantized to 8192.0 = 0x1p13
C({8196_f}, 8192_f), //
C({-8196_f}, -8192_f), //
// Value in subnormal f16 range
C({0x0.034p-14_f}, 0x0.034p-14_f), //
C({-0x0.034p-14_f}, -0x0.034p-14_f), //
C({0x0.068p-14_f}, 0x0.068p-14_f), //
C({-0x0.068p-14_f}, -0x0.068p-14_f), //
// 0x0.06b7p-14 quantized to 0x0.068p-14
C({0x0.06b7p-14_f}, 0x0.068p-14_f), //
C({-0x0.06b7p-14_f}, -0x0.068p-14_f), //
// Vector tests
C({Vec(0_f, -0_f)}, Vec(0_f, -0_f)), //
C({Vec(1_f, -1_f)}, Vec(1_f, -1_f)), //
C({Vec(0.00006106496_f, -0.00006106496_f, 1.0004883_f, -1.0004883_f)},
Vec(0.000061035156_f, -0.000061035156_f, 1.0_f, -1.0_f)),
C({Vec(8196_f, 8192_f, 0x0.034p-14_f)}, Vec(8192_f, 8192_f, 0x0.034p-14_f)),
C({Vec(0x0.034p-14_f, -0x0.034p-14_f, 0x0.068p-14_f, -0x0.068p-14_f)},
Vec(0x0.034p-14_f, -0x0.034p-14_f, 0x0.068p-14_f, -0x0.068p-14_f)),
// Value out of f16 range
E({65504.003_f}, "12:34 error: value 65504.00390625 cannot be represented as 'f16'"),
E({-65504.003_f}, "12:34 error: value -65504.00390625 cannot be represented as 'f16'"),
E({0x1.234p56_f}, "12:34 error: value 81979586966978560.0 cannot be represented as 'f16'"),
E({0x4.321p65_f},
"12:34 error: value 154788719192723947520.0 cannot be represented as 'f16'"),
E({Vec(65504.003_f, 0_f)},
"12:34 error: value 65504.00390625 cannot be represented as 'f16'"),
E({Vec(0_f, -0x4.321p65_f)},
"12:34 error: value -154788719192723947520.0 cannot be represented as 'f16'"),
};
}
INSTANTIATE_TEST_SUITE_P( //
QuantizeToF16,
ResolverConstEvalBuiltinTest,
testing::Combine(testing::Values(builtin::Function::kQuantizeToF16),
testing::ValuesIn(QuantizeToF16Cases())));
} // namespace
} // namespace tint::resolver