2 * Copyright (c) 2017 ARM Limited.
4 * SPDX-License-Identifier: MIT
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:
13 * The above copyright notice and this permission notice shall be included in all
14 * copies or substantial portions of the Software.
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
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21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25 #include "arm_compute/core/Rounding.h"
27 #include "arm_compute/core/Error.h"
28 #include "support/ToolchainSupport.h"
32 using namespace arm_compute;
35 int arm_compute::round(float x, RoundingPolicy rounding_policy)
39 switch(rounding_policy)
41 case RoundingPolicy::TO_ZERO:
43 rounded = static_cast<int>(x);
46 case RoundingPolicy::TO_NEAREST_UP:
48 rounded = static_cast<int>(support::cpp11::round(x));
51 case RoundingPolicy::TO_NEAREST_EVEN:
53 ARM_COMPUTE_ERROR("TO_NEAREST_EVEN rounding policy is not supported.");
58 ARM_COMPUTE_ERROR("Unsupported rounding policy.");