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/*
* Copyright 2025 The Android Open Source Project
*
* 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.
*/
@file:JvmName("RoundingUtils")
package androidx.webgpu.helper
/**
* Helpers for image dimension management. Each adds a method to round to the next higher
* or lower multiple of a value, e.g., "round -1,234 down to the nearest multiple of 1,000"
* returns -2000.
*/
public fun Long.roundDownToNearestMultipleOf(boundary: Int): Long {
val padding = if (this < 0 && (this % boundary != 0L)) boundary else 0
return ((this - padding) / boundary) * boundary
}
public fun Int.roundDownToNearestMultipleOf(boundary: Int): Int {
val padding = if (this < 0 && (this % boundary != 0)) boundary else 0
return ((this - padding) / boundary) * boundary
}
public fun Long.roundUpToNearestMultipleOf(boundary: Int): Long {
val padding = if (this > 0 && (this % boundary != 0L)) boundary else 0
return ((this + padding) / boundary) * boundary
}
public fun Int.roundUpToNearestMultipleOf(boundary: Int): Int {
val padding = if (this > 0 && (this % boundary != 0)) boundary else 0
return ((this + padding) / boundary) * boundary
}