1 //===-- Exhaustive test for sinpif16 --------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===---------------------------------------------------------------------===//
8
9 #include "src/math/sinpif16.h"
10 #include "test/UnitTest/FPMatcher.h"
11 #include "test/UnitTest/Test.h"
12 #include "utils/MPFRWrapper/MPFRUtils.h"
13
14 using LlvmLibcSinpif16Test = LIBC_NAMESPACE::testing::FPTest<float16>;
15
16 namespace mpfr = LIBC_NAMESPACE::testing::mpfr;
17
18 // Range: [0, Inf]
19 static constexpr uint16_t POS_START = 0x0000U;
20 static constexpr uint16_t POS_STOP = 0x7c00U;
21
22 // Range: [-Inf, 0]
23 static constexpr uint16_t NEG_START = 0x8000U;
24 static constexpr uint16_t NEG_STOP = 0xfc00U;
25
TEST_F(LlvmLibcSinpif16Test,PositiveRange)26 TEST_F(LlvmLibcSinpif16Test, PositiveRange) {
27 for (uint16_t v = POS_START; v <= POS_STOP; ++v) {
28 float16 x = FPBits(v).get_val();
29 EXPECT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Sinpi, x,
30 LIBC_NAMESPACE::sinpif16(x), 0.5);
31 }
32 }
33
TEST_F(LlvmLibcSinpif16Test,NegativeRange)34 TEST_F(LlvmLibcSinpif16Test, NegativeRange) {
35 for (uint16_t v = NEG_START; v <= NEG_STOP; ++v) {
36 float16 x = FPBits(v).get_val();
37 EXPECT_MPFR_MATCH_ALL_ROUNDING(mpfr::Operation::Sinpi, x,
38 LIBC_NAMESPACE::sinpif16(x), 0.5);
39 }
40 }
41