wehub-resource-sync
100 lines
3.4 KiB
C++
100 lines
3.4 KiB
C++
// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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#pragma once
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#include <cmath>
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#include <type_traits>
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#include "paddle/phi/core/enforce.h"
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namespace phi {
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namespace funcs {
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template <typename T>
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void GetSize(T start, T end, T step, int64_t* size) {
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PADDLE_ENFORCE_NE(
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step,
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0,
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common::errors::InvalidArgument("The step of range op should not be 0."));
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if constexpr (std::is_same_v<T, phi::bfloat16> ||
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std::is_same_v<T, phi::float16>) {
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PADDLE_ENFORCE_EQ(phi::dtype::isfinite(start) && phi::dtype::isfinite(end),
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true,
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common::errors::InvalidArgument(
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"The start and end of range op should be finite "
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"numbers, but received %f -> %f.",
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static_cast<double>(start),
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static_cast<double>(end)));
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} else if constexpr (std::is_floating_point_v<T>) {
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PADDLE_ENFORCE_EQ(std::isfinite(start) && std::isfinite(end),
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true,
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common::errors::InvalidArgument(
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"The start and end of range op should be finite "
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"numbers, but received %f -> %f.",
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static_cast<double>(start),
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static_cast<double>(end)));
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}
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if (start < end) {
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if (step < 0) {
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*size = 0;
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return;
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}
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}
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if (start > end) {
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if (step > 0) {
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*size = 0;
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return;
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}
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}
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*size = std::is_integral<T>::value
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? ((std::abs(end - start) + std::abs(step) - 1) / std::abs(step))
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: std::ceil(std::abs((end - start) / step));
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}
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template <typename T>
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void GetSizeForRange(T start, T end, T step, int64_t* size) {
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// For range op: closed interval [start, end]
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PADDLE_ENFORCE_NE(
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step,
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0,
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common::errors::InvalidArgument("The step of range op should not be 0."));
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if constexpr (std::is_same_v<T, phi::bfloat16> ||
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std::is_same_v<T, phi::float16>) {
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PADDLE_ENFORCE_EQ(
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phi::dtype::isfinite(start) && phi::dtype::isfinite(end),
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true,
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common::errors::InvalidArgument(
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"The start, end and step of range op should be finite "
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"numbers, but received start=%f, end=%f.",
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static_cast<double>(start),
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static_cast<double>(end)));
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} else if constexpr (std::is_floating_point_v<T>) {
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PADDLE_ENFORCE_EQ(
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std::isfinite(start) && std::isfinite(end),
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true,
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common::errors::InvalidArgument(
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"The start, end and step of range op should be finite "
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"numbers, but received start=%f, end=%f.",
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static_cast<double>(start),
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static_cast<double>(end)));
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}
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// Closed interval [start, end], so we add 1
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*size = static_cast<int64_t>(((end - start) / step) + 1);
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}
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} // namespace funcs
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} // namespace phi
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