57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
//===-- Unittests mod_2pi, mod_pi_over_4 and mod_pi_over_2 ----------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "src/math/generic/dp_trig.h"
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#include "utils/MPFRWrapper/MPFRUtils.h"
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#include "utils/UnitTest/FPMatcher.h"
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#include "utils/UnitTest/Test.h"
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#include <math.h>
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namespace mpfr = __llvm_libc::testing::mpfr;
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using FPBits = __llvm_libc::fputil::FPBits<double>;
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using UIntType = FPBits::UIntType;
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TEST(LlvmLibcMod2PITest, Range) {
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constexpr UIntType count = 1000000000;
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constexpr UIntType step = UIntType(-1) / count;
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for (UIntType i = 0, v = 0; i <= count; ++i, v += step) {
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double x = double(FPBits(v));
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if (isnan(x) || isinf(x) || x <= 0.0)
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continue;
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ASSERT_MPFR_MATCH(mpfr::Operation::Mod2PI, x, __llvm_libc::mod_2pi(x), 0);
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}
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}
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TEST(LlvmLibcModPIOver2Test, Range) {
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constexpr UIntType count = 1000000000;
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constexpr UIntType step = UIntType(-1) / count;
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for (UIntType i = 0, v = 0; i <= count; ++i, v += step) {
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double x = double(FPBits(v));
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if (isnan(x) || isinf(x) || x <= 0.0)
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continue;
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ASSERT_MPFR_MATCH(mpfr::Operation::ModPIOver2, x,
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__llvm_libc::mod_pi_over_2(x), 0);
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}
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}
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TEST(LlvmLibcModPIOver4Test, Range) {
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constexpr UIntType count = 1000000000;
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constexpr UIntType step = UIntType(-1) / count;
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for (UIntType i = 0, v = 0; i <= count; ++i, v += step) {
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double x = double(FPBits(v));
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if (isnan(x) || isinf(x) || x <= 0.0)
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continue;
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ASSERT_MPFR_MATCH(mpfr::Operation::ModPIOver4, x,
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__llvm_libc::mod_pi_over_4(x), 0);
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}
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}
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