John Richardson | dd715f2 | 2017-09-18 16:10:48 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017 ARM Limited. |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * dst OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #include "PixelWiseMultiplication.h" |
| 25 | |
| 26 | #include "tests/validation/FixedPoint.h" |
| 27 | |
| 28 | namespace arm_compute |
| 29 | { |
| 30 | namespace test |
| 31 | { |
| 32 | namespace validation |
| 33 | { |
| 34 | namespace reference |
| 35 | { |
| 36 | template <class T> |
| 37 | struct is_floating_point |
| 38 | : std::integral_constant < bool, |
| 39 | std::is_same<float, typename std::remove_cv<T>::type>::value || std::is_same<half_float::half, typename std::remove_cv<T>::type>::value |
| 40 | || std::is_same<double, typename std::remove_cv<T>::type>::value || std::is_same<long double, typename std::remove_cv<T>::type>::value > |
| 41 | { |
| 42 | }; |
| 43 | |
| 44 | template <typename T1, typename T2> |
| 45 | SimpleTensor<T2> pixel_wise_multiplication(const SimpleTensor<T1> &src1, const SimpleTensor<T2> &src2, float scale, ConvertPolicy convert_policy, RoundingPolicy rounding_policy) |
| 46 | { |
| 47 | SimpleTensor<T2> dst(src2.shape(), src2.data_type()); |
| 48 | |
| 49 | if(scale < 0) |
| 50 | { |
| 51 | ARM_COMPUTE_ERROR("Scale of pixel-wise multiplication must be non-negative"); |
| 52 | } |
| 53 | |
| 54 | using intermediate_type = typename common_promoted_signed_type<T1, T2, T2>::intermediate_type; |
| 55 | |
| 56 | for(int i = 0; i < src1.num_elements(); ++i) |
| 57 | { |
| 58 | double val = static_cast<intermediate_type>(src1[i]) * static_cast<intermediate_type>(src2[i]) * static_cast<double>(scale); |
| 59 | if(is_floating_point<T2>::value) |
| 60 | { |
| 61 | dst[i] = val; |
| 62 | } |
| 63 | else |
| 64 | { |
| 65 | double rounded_val = 0; |
| 66 | switch(rounding_policy) |
| 67 | { |
| 68 | case(RoundingPolicy::TO_ZERO): |
| 69 | rounded_val = support::cpp11::trunc(val); |
| 70 | break; |
| 71 | case(RoundingPolicy::TO_NEAREST_UP): |
| 72 | rounded_val = round_half_up(val); |
| 73 | break; |
| 74 | case(RoundingPolicy::TO_NEAREST_EVEN): |
| 75 | rounded_val = round_half_even(val); |
| 76 | break; |
| 77 | default: |
| 78 | ARM_COMPUTE_ERROR("Unsupported rounding policy"); |
| 79 | } |
| 80 | |
| 81 | dst[i] = (convert_policy == ConvertPolicy::SATURATE) ? saturate_cast<T2>(rounded_val) : static_cast<T2>(rounded_val); |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | return dst; |
| 86 | } |
| 87 | |
| 88 | // *INDENT-OFF* |
| 89 | // clang-format off |
| 90 | template SimpleTensor<uint8_t> pixel_wise_multiplication(const SimpleTensor<uint8_t> &src1, const SimpleTensor<uint8_t> &src2, float scale, ConvertPolicy convert_policy, RoundingPolicy rounding_policy); |
| 91 | template SimpleTensor<int16_t> pixel_wise_multiplication(const SimpleTensor<uint8_t> &src1, const SimpleTensor<int16_t> &src2, float scale, ConvertPolicy convert_policy, RoundingPolicy rounding_policy); |
| 92 | template SimpleTensor<int16_t> pixel_wise_multiplication(const SimpleTensor<int16_t> &src1, const SimpleTensor<int16_t> &src2, float scale, ConvertPolicy convert_policy, RoundingPolicy rounding_policy); |
| 93 | template SimpleTensor<float> pixel_wise_multiplication(const SimpleTensor<float> &src1, const SimpleTensor<float> &src2, float scale, ConvertPolicy convert_policy, RoundingPolicy rounding_policy); |
| 94 | template SimpleTensor<half_float::half> pixel_wise_multiplication(const SimpleTensor<half_float::half> &src1, const SimpleTensor<half_float::half> &src2, float scale, ConvertPolicy convert_policy, RoundingPolicy rounding_policy); |
| 95 | // clang-format on |
| 96 | // *INDENT-ON* |
| 97 | } // namespace reference |
| 98 | } // namespace validation |
| 99 | } // namespace test |
| 100 | } // namespace arm_compute |