50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
/* Copyright 2019 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#ifndef TENSORFLOW_LITE_DELEGATES_GPU_COMMON_UTIL_H_
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#define TENSORFLOW_LITE_DELEGATES_GPU_COMMON_UTIL_H_
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#include "tensorflow/lite/delegates/gpu/common/types.h"
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namespace tflite {
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namespace gpu {
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// @param n must be non negative
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// @param divisor must be greater than zero
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template <typename T, typename N>
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T DivideRoundUp(T n, N divisor) {
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const T div = static_cast<T>(divisor);
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const T q = n / div;
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return n % div == 0 ? q : q + 1;
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}
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template <>
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inline uint3 DivideRoundUp(uint3 n, uint3 divisor) {
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return uint3(DivideRoundUp(n.x, divisor.x), DivideRoundUp(n.y, divisor.y),
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DivideRoundUp(n.z, divisor.z));
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}
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// @param number or its components must be greater than zero
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// @param n must be greater than zero
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template <typename T, typename N>
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T AlignByN(T number, N n) {
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return DivideRoundUp(number, n) * n;
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}
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} // namespace gpu
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} // namespace tflite
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#endif // TENSORFLOW_LITE_DELEGATES_GPU_COMMON_UTIL_H_
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