1 /*
2 * Copyright (c) 2017-2018 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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24
25 #pragma once
26
27 #include <limits>
28
29 void PrintMatrix(const float *const m, const int M, const int N, const int row_stride);
30
iceildiv(const int a,const int b)31 constexpr inline int iceildiv(const int a, const int b)
32 {
33 return (a + b - 1) / b;
34 }
35
36 template <typename T>
roundup(const T a,const T b)37 inline T roundup(const T a, const T b)
38 {
39 return b * iceildiv(a, b);
40 }
41
42 template<typename T>
43 struct TypeBounds
44 {
lowerTypeBounds45 static constexpr T lower() noexcept { return std::numeric_limits<T>::has_infinity
46 ? -std::numeric_limits<T>::infinity()
47 : std::numeric_limits<T>::lowest(); };
upperTypeBounds48 static constexpr T upper() noexcept { return std::numeric_limits<T>::has_infinity
49 ? std::numeric_limits<T>::infinity()
50 : std::numeric_limits<T>::max(); };
51 };
52
53 #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
54 template<>
55 struct TypeBounds<__fp16>
56 {
lowerTypeBounds57 static constexpr __fp16 lower() noexcept { return -std::numeric_limits<float>::infinity(); };
upperTypeBounds58 static constexpr __fp16 upper() noexcept { return std::numeric_limits<float>::infinity(); }
59 };
60 #endif /* __ARM_FEATURE_FP16_VECTOR_ARITHMETIC */
61