66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
//===-- Unittests for shared math functions -------------------------------===//
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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 "shared/math.h"
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#include "test/UnitTest/FPMatcher.h"
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#ifdef LIBC_TYPES_HAS_FLOAT16
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TEST(LlvmLibcSharedMathTest, AllFloat16) {
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int exponent;
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EXPECT_FP_EQ(0x1p+0f16, LIBC_NAMESPACE::shared::exp10f16(0.0f16));
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EXPECT_FP_EQ(0x1p+0f16, LIBC_NAMESPACE::shared::expf16(0.0f16));
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ASSERT_FP_EQ(float16(8 << 5), LIBC_NAMESPACE::shared::ldexpf16(float(8), 5));
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ASSERT_FP_EQ(float16(-1 * (8 << 5)),
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LIBC_NAMESPACE::shared::ldexpf16(float(-8), 5));
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EXPECT_FP_EQ_ALL_ROUNDING(0.75f16,
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LIBC_NAMESPACE::shared::frexpf16(24.0f, &exponent));
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EXPECT_EQ(exponent, 5);
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}
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#endif
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TEST(LlvmLibcSharedMathTest, AllFloat) {
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int exponent;
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EXPECT_FP_EQ(0x1.921fb6p+0, LIBC_NAMESPACE::shared::acosf(0.0f));
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EXPECT_FP_EQ(0x1p+0f, LIBC_NAMESPACE::shared::exp10f(0.0f));
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EXPECT_FP_EQ(0x1p+0f, LIBC_NAMESPACE::shared::expf(0.0f));
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EXPECT_FP_EQ_ALL_ROUNDING(0.75f,
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LIBC_NAMESPACE::shared::frexpf(24.0f, &exponent));
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EXPECT_EQ(exponent, 5);
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ASSERT_FP_EQ(float(8 << 5), LIBC_NAMESPACE::shared::ldexpf(float(8), 5));
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ASSERT_FP_EQ(float(-1 * (8 << 5)),
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LIBC_NAMESPACE::shared::ldexpf(float(-8), 5));
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}
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TEST(LlvmLibcSharedMathTest, AllDouble) {
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EXPECT_FP_EQ(0x1.921fb54442d18p+0, LIBC_NAMESPACE::shared::acos(0.0));
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EXPECT_FP_EQ(0x1p+0, LIBC_NAMESPACE::shared::exp(0.0));
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EXPECT_FP_EQ(0x1p+0, LIBC_NAMESPACE::shared::exp10(0.0));
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}
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TEST(LlvmLibcSharedMathTest, AllFloat128) {
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int exponent;
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EXPECT_FP_EQ_ALL_ROUNDING(
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float128(0.75), LIBC_NAMESPACE::shared::frexpf128(24.0f, &exponent));
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EXPECT_EQ(exponent, 5);
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ASSERT_FP_EQ(float128(8 << 5),
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LIBC_NAMESPACE::shared::ldexpf128(float(8), 5));
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ASSERT_FP_EQ(float128(-1 * (8 << 5)),
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LIBC_NAMESPACE::shared::ldexpf128(float(-8), 5));
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}
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