ladybird/Tests/AK/TestSIMD.cpp
2023-09-06 07:21:07 -06:00

37 lines
954 B
C++

/*
* Copyright (c) 2023, Jelle Raaijmakers <jelle@gmta.nl>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibTest/TestCase.h>
#include <AK/SIMD.h>
#include <AK/SIMDMath.h>
// See the comment in <AK/SIMDMath.h>
#pragma GCC diagnostic ignored "-Wpsabi"
TEST_CASE(exp)
{
AK::SIMD::f32x4 v = { .2f, .4f, .6f, .8f };
auto result = AK::SIMD::exp(v);
EXPECT_APPROXIMATE(result[0], 1.22140276f);
EXPECT_APPROXIMATE(result[1], 1.49182470f);
EXPECT_APPROXIMATE(result[2], 1.82211880f);
EXPECT_APPROXIMATE(result[3], 2.22554093f);
}
TEST_CASE(exp_approximate)
{
AK::SIMD::f32x4 v = { .2f, .4f, .6f, .8f };
auto result = AK::SIMD::exp_approximate(v);
constexpr float accuracy = .001f;
EXPECT(fabsf(result[0] - 1.22140276f) <= accuracy);
EXPECT(fabsf(result[1] - 1.49182470f) <= accuracy);
EXPECT(fabsf(result[2] - 1.82211880f) <= accuracy);
EXPECT(fabsf(result[3] - 2.22554093f) <= accuracy);
}