jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2023, Jelle Raaijmakers <jelle@gmta.nl>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#include <LibTest/TestCase.h>
8
9#include <AK/SIMD.h>
10#include <AK/SIMDMath.h>
11
12TEST_CASE(exp)
13{
14 AK::SIMD::f32x4 v = { .2f, .4f, .6f, .8f };
15 auto result = AK::SIMD::exp(v);
16
17 EXPECT_APPROXIMATE(result[0], 1.22140276f);
18 EXPECT_APPROXIMATE(result[1], 1.49182470f);
19 EXPECT_APPROXIMATE(result[2], 1.82211880f);
20 EXPECT_APPROXIMATE(result[3], 2.22554093f);
21}
22
23TEST_CASE(exp_approximate)
24{
25 AK::SIMD::f32x4 v = { .2f, .4f, .6f, .8f };
26 auto result = AK::SIMD::exp_approximate(v);
27 constexpr float accuracy = .001f;
28
29 EXPECT(fabsf(result[0] - 1.22140276f) <= accuracy);
30 EXPECT(fabsf(result[1] - 1.49182470f) <= accuracy);
31 EXPECT(fabsf(result[2] - 1.82211880f) <= accuracy);
32 EXPECT(fabsf(result[3] - 2.22554093f) <= accuracy);
33}