| // Copyright 2020 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 specific language governing permissions and |

| // limitations under the License. |

| |

| #ifndef SRC_TINT_WRITER_FLOAT_TO_STRING_H_ |

| #define SRC_TINT_WRITER_FLOAT_TO_STRING_H_ |

| |

| #include <string> |

| |

| namespace tint::writer { |

| |

| /// Converts the float `f` to a string using fixed-point notation (not |

| /// scientific). The float will be printed with the full precision required to |

| /// describe the float. All trailing `0`s will be omitted after the last |

| /// non-zero fractional number, unless the fractional is zero, in which case the |

| /// number will end with `.0`. |

| /// @return the float f formatted to a string |

| std::string FloatToString(float f); |

| |

| /// Converts the double `f` to a string using fixed-point notation (not |

| /// scientific). The double will be printed with the full precision required to |

| /// describe the double. All trailing `0`s will be omitted after the last |

| /// non-zero fractional number, unless the fractional is zero, in which case the |

| /// number will end with `.0`. |

| /// @return the double f formatted to a string |

| std::string DoubleToString(double f); |

| |

| /// Converts the float `f` to a string, using hex float notation for infinities, |

| /// NaNs, or subnormal numbers. Otherwise behaves as FloatToString. |

| /// @return the float f formatted to a string |

| std::string FloatToBitPreservingString(float f); |

| |

| /// Converts the double `f` to a string, using hex double notation for infinities, |

| /// NaNs, or subnormal numbers. Otherwise behaves as FloatToString. |

| /// @return the double f formatted to a string |

| std::string DoubleToBitPreservingString(double f); |

| |

| } // namespace tint::writer |

| |

| #endif // SRC_TINT_WRITER_FLOAT_TO_STRING_H_ |