//===-- Utility class to test different flavors of fromfp -------*- C++ -*-===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// #ifndef LIBC_TEST_SRC_MATH_SMOKE_FROMFPTEST_H #define LIBC_TEST_SRC_MATH_SMOKE_FROMFPTEST_H #include "test/UnitTest/FEnvSafeTest.h" #include "test/UnitTest/FPMatcher.h" #include "test/UnitTest/Test.h" template class FromfpTestTemplate : public LIBC_NAMESPACE::testing::FEnvSafeTest { DECLARE_SPECIAL_CONSTANTS(T) public: typedef T (*FromfpFunc)(T, int, unsigned int); void testSpecialNumbersNonzeroWidth(FromfpFunc func) { for (int rnd : MATH_ROUNDING_DIRECTIONS_INCLUDING_UNKNOWN) { EXPECT_FP_EQ(zero, func(zero, rnd, 32U)); EXPECT_FP_EQ(neg_zero, func(neg_zero, rnd, 32U)); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(inf, rnd, 32U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(neg_inf, rnd, 32U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(aNaN, rnd, 32U), FE_INVALID); } } void testSpecialNumbersZeroWidth(FromfpFunc func) { for (int rnd : MATH_ROUNDING_DIRECTIONS_INCLUDING_UNKNOWN) { EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(zero, rnd, 0U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(neg_zero, rnd, 0U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(inf, rnd, 0U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(neg_inf, rnd, 0U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(aNaN, rnd, 0U), FE_INVALID); } } void testRoundedNumbersWithinRange(FromfpFunc func) { for (int rnd : MATH_ROUNDING_DIRECTIONS_INCLUDING_UNKNOWN) { EXPECT_FP_EQ(T(1.0), func(T(1.0), rnd, 2U)); EXPECT_FP_EQ(T(-1.0), func(T(-1.0), rnd, 1U)); EXPECT_FP_EQ(T(10.0), func(T(10.0), rnd, 5U)); EXPECT_FP_EQ(T(-10.0), func(T(-10.0), rnd, 5U)); EXPECT_FP_EQ(T(1234.0), func(T(1234.0), rnd, 12U)); EXPECT_FP_EQ(T(-1234.0), func(T(-1234.0), rnd, 12U)); EXPECT_FP_EQ(T(1234.0), func(T(1234.0), rnd, 65U)); EXPECT_FP_EQ(T(-1234.0), func(T(-1234.0), rnd, 65U)); } } void testRoundedNumbersOutsideRange(FromfpFunc func) { for (int rnd : MATH_ROUNDING_DIRECTIONS_INCLUDING_UNKNOWN) { EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(1.0), rnd, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(10.0), rnd, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-10.0), rnd, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(1234.0), rnd, 11U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-1234.0), rnd, 11U), FE_INVALID); } } void testFractionsUpwardWithinRange(FromfpFunc func) { EXPECT_FP_EQ(T(1.0), func(T(0.5), FP_INT_UPWARD, 2U)); EXPECT_FP_EQ(T(-0.0), func(T(-0.5), FP_INT_UPWARD, 1U)); EXPECT_FP_EQ(T(1.0), func(T(0.115), FP_INT_UPWARD, 2U)); EXPECT_FP_EQ(T(-0.0), func(T(-0.115), FP_INT_UPWARD, 1U)); EXPECT_FP_EQ(T(1.0), func(T(0.715), FP_INT_UPWARD, 2U)); EXPECT_FP_EQ(T(-0.0), func(T(-0.715), FP_INT_UPWARD, 1U)); EXPECT_FP_EQ(T(2.0), func(T(1.3), FP_INT_UPWARD, 3U)); EXPECT_FP_EQ(T(-1.0), func(T(-1.3), FP_INT_UPWARD, 1U)); EXPECT_FP_EQ(T(2.0), func(T(1.5), FP_INT_UPWARD, 3U)); EXPECT_FP_EQ(T(-1.0), func(T(-1.5), FP_INT_UPWARD, 1U)); EXPECT_FP_EQ(T(2.0), func(T(1.75), FP_INT_UPWARD, 3U)); EXPECT_FP_EQ(T(-1.0), func(T(-1.75), FP_INT_UPWARD, 1U)); EXPECT_FP_EQ(T(11.0), func(T(10.32), FP_INT_UPWARD, 5U)); EXPECT_FP_EQ(T(-10.0), func(T(-10.32), FP_INT_UPWARD, 5U)); EXPECT_FP_EQ(T(11.0), func(T(10.65), FP_INT_UPWARD, 5U)); EXPECT_FP_EQ(T(-10.0), func(T(-10.65), FP_INT_UPWARD, 5U)); EXPECT_FP_EQ(T(124.0), func(T(123.38), FP_INT_UPWARD, 8U)); EXPECT_FP_EQ(T(-123.0), func(T(-123.38), FP_INT_UPWARD, 8U)); EXPECT_FP_EQ(T(124.0), func(T(123.96), FP_INT_UPWARD, 8U)); EXPECT_FP_EQ(T(-123.0), func(T(-123.96), FP_INT_UPWARD, 8U)); } void testFractionsUpwardOutsideRange(FromfpFunc func) { EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(0.5), FP_INT_UPWARD, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(0.115), FP_INT_UPWARD, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(0.715), FP_INT_UPWARD, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(1.3), FP_INT_UPWARD, 2U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(1.5), FP_INT_UPWARD, 2U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(1.75), FP_INT_UPWARD, 2U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(10.32), FP_INT_UPWARD, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-10.32), FP_INT_UPWARD, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(10.65), FP_INT_UPWARD, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-10.65), FP_INT_UPWARD, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(123.38), FP_INT_UPWARD, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-123.38), FP_INT_UPWARD, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(123.96), FP_INT_UPWARD, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-123.96), FP_INT_UPWARD, 7U), FE_INVALID); } void testFractionsDownwardWithinRange(FromfpFunc func) { EXPECT_FP_EQ(T(0.0), func(T(0.5), FP_INT_DOWNWARD, 1U)); EXPECT_FP_EQ(T(-1.0), func(T(-0.5), FP_INT_DOWNWARD, 1U)); EXPECT_FP_EQ(T(0.0), func(T(0.115), FP_INT_DOWNWARD, 1U)); EXPECT_FP_EQ(T(-1.0), func(T(-0.115), FP_INT_DOWNWARD, 1U)); EXPECT_FP_EQ(T(0.0), func(T(0.715), FP_INT_DOWNWARD, 1U)); EXPECT_FP_EQ(T(-1.0), func(T(-0.715), FP_INT_DOWNWARD, 1U)); EXPECT_FP_EQ(T(1.0), func(T(1.3), FP_INT_DOWNWARD, 2U)); EXPECT_FP_EQ(T(-2.0), func(T(-1.3), FP_INT_DOWNWARD, 2U)); EXPECT_FP_EQ(T(1.0), func(T(1.5), FP_INT_DOWNWARD, 2U)); EXPECT_FP_EQ(T(-2.0), func(T(-1.5), FP_INT_DOWNWARD, 2U)); EXPECT_FP_EQ(T(1.0), func(T(1.75), FP_INT_DOWNWARD, 2U)); EXPECT_FP_EQ(T(-2.0), func(T(-1.75), FP_INT_DOWNWARD, 2U)); EXPECT_FP_EQ(T(10.0), func(T(10.32), FP_INT_DOWNWARD, 5U)); EXPECT_FP_EQ(T(-11.0), func(T(-10.32), FP_INT_DOWNWARD, 5U)); EXPECT_FP_EQ(T(10.0), func(T(10.65), FP_INT_DOWNWARD, 5U)); EXPECT_FP_EQ(T(-11.0), func(T(-10.65), FP_INT_DOWNWARD, 5U)); EXPECT_FP_EQ(T(123.0), func(T(123.38), FP_INT_DOWNWARD, 8U)); EXPECT_FP_EQ(T(-124.0), func(T(-123.38), FP_INT_DOWNWARD, 8U)); EXPECT_FP_EQ(T(123.0), func(T(123.96), FP_INT_DOWNWARD, 8U)); EXPECT_FP_EQ(T(-124.0), func(T(-123.96), FP_INT_DOWNWARD, 8U)); } void testFractionsDownwardOutsideRange(FromfpFunc func) { EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(1.3), FP_INT_DOWNWARD, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-1.3), FP_INT_DOWNWARD, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(1.5), FP_INT_DOWNWARD, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-1.5), FP_INT_DOWNWARD, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(1.75), FP_INT_DOWNWARD, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-1.75), FP_INT_DOWNWARD, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(10.32), FP_INT_DOWNWARD, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-10.32), FP_INT_DOWNWARD, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(10.65), FP_INT_DOWNWARD, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-10.65), FP_INT_DOWNWARD, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(123.38), FP_INT_DOWNWARD, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-123.38), FP_INT_DOWNWARD, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(123.96), FP_INT_DOWNWARD, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-123.96), FP_INT_DOWNWARD, 7U), FE_INVALID); } void testFractionsTowardZeroWithinRange(FromfpFunc func) { EXPECT_FP_EQ(T(0.0), func(T(0.5), FP_INT_TOWARDZERO, 1U)); EXPECT_FP_EQ(T(-0.0), func(T(-0.5), FP_INT_TOWARDZERO, 1U)); EXPECT_FP_EQ(T(0.0), func(T(0.115), FP_INT_TOWARDZERO, 1U)); EXPECT_FP_EQ(T(-0.0), func(T(-0.115), FP_INT_TOWARDZERO, 1U)); EXPECT_FP_EQ(T(0.0), func(T(0.715), FP_INT_TOWARDZERO, 1U)); EXPECT_FP_EQ(T(-0.0), func(T(-0.715), FP_INT_TOWARDZERO, 1U)); EXPECT_FP_EQ(T(1.0), func(T(1.3), FP_INT_TOWARDZERO, 2U)); EXPECT_FP_EQ(T(-1.0), func(T(-1.3), FP_INT_TOWARDZERO, 1U)); EXPECT_FP_EQ(T(1.0), func(T(1.5), FP_INT_TOWARDZERO, 2U)); EXPECT_FP_EQ(T(-1.0), func(T(-1.5), FP_INT_TOWARDZERO, 1U)); EXPECT_FP_EQ(T(1.0), func(T(1.75), FP_INT_TOWARDZERO, 2U)); EXPECT_FP_EQ(T(-1.0), func(T(-1.75), FP_INT_TOWARDZERO, 1U)); EXPECT_FP_EQ(T(10.0), func(T(10.32), FP_INT_TOWARDZERO, 5U)); EXPECT_FP_EQ(T(-10.0), func(T(-10.32), FP_INT_TOWARDZERO, 5U)); EXPECT_FP_EQ(T(10.0), func(T(10.65), FP_INT_TOWARDZERO, 5U)); EXPECT_FP_EQ(T(-10.0), func(T(-10.65), FP_INT_TOWARDZERO, 5U)); EXPECT_FP_EQ(T(123.0), func(T(123.38), FP_INT_TOWARDZERO, 8U)); EXPECT_FP_EQ(T(-123.0), func(T(-123.38), FP_INT_TOWARDZERO, 8U)); EXPECT_FP_EQ(T(123.0), func(T(123.96), FP_INT_TOWARDZERO, 8U)); EXPECT_FP_EQ(T(-123.0), func(T(-123.96), FP_INT_TOWARDZERO, 8U)); } void testFractionsTowardZeroOutsideRange(FromfpFunc func) { EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(1.3), FP_INT_TOWARDZERO, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(1.5), FP_INT_TOWARDZERO, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(1.75), FP_INT_TOWARDZERO, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(10.32), FP_INT_TOWARDZERO, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-10.32), FP_INT_TOWARDZERO, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(10.65), FP_INT_TOWARDZERO, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-10.65), FP_INT_TOWARDZERO, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(123.38), FP_INT_TOWARDZERO, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-123.38), FP_INT_TOWARDZERO, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(123.96), FP_INT_TOWARDZERO, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-123.96), FP_INT_TOWARDZERO, 7U), FE_INVALID); } void testFractionsToNearestFromZeroWithinRange(FromfpFunc func) { EXPECT_FP_EQ(T(1.0), func(T(0.5), FP_INT_TONEARESTFROMZERO, 2U)); EXPECT_FP_EQ(T(-1.0), func(T(-0.5), FP_INT_TONEARESTFROMZERO, 1U)); EXPECT_FP_EQ(T(0.0), func(T(0.115), FP_INT_TONEARESTFROMZERO, 1U)); EXPECT_FP_EQ(T(-0.0), func(T(-0.115), FP_INT_TONEARESTFROMZERO, 1U)); EXPECT_FP_EQ(T(1.0), func(T(0.715), FP_INT_TONEARESTFROMZERO, 2U)); EXPECT_FP_EQ(T(-1.0), func(T(-0.715), FP_INT_TONEARESTFROMZERO, 1U)); EXPECT_FP_EQ(T(1.0), func(T(1.3), FP_INT_TONEARESTFROMZERO, 2U)); EXPECT_FP_EQ(T(-1.0), func(T(-1.3), FP_INT_TONEARESTFROMZERO, 1U)); EXPECT_FP_EQ(T(2.0), func(T(1.5), FP_INT_TONEARESTFROMZERO, 3U)); EXPECT_FP_EQ(T(-2.0), func(T(-1.5), FP_INT_TONEARESTFROMZERO, 2U)); EXPECT_FP_EQ(T(2.0), func(T(1.75), FP_INT_TONEARESTFROMZERO, 3U)); EXPECT_FP_EQ(T(-2.0), func(T(-1.75), FP_INT_TONEARESTFROMZERO, 2U)); EXPECT_FP_EQ(T(10.0), func(T(10.32), FP_INT_TONEARESTFROMZERO, 5U)); EXPECT_FP_EQ(T(-10.0), func(T(-10.32), FP_INT_TONEARESTFROMZERO, 5U)); EXPECT_FP_EQ(T(11.0), func(T(10.65), FP_INT_TONEARESTFROMZERO, 5U)); EXPECT_FP_EQ(T(-11.0), func(T(-10.65), FP_INT_TONEARESTFROMZERO, 5U)); EXPECT_FP_EQ(T(123.0), func(T(123.38), FP_INT_TONEARESTFROMZERO, 8U)); EXPECT_FP_EQ(T(-123.0), func(T(-123.38), FP_INT_TONEARESTFROMZERO, 8U)); EXPECT_FP_EQ(T(124.0), func(T(123.96), FP_INT_TONEARESTFROMZERO, 8U)); EXPECT_FP_EQ(T(-124.0), func(T(-123.96), FP_INT_TONEARESTFROMZERO, 8U)); } void testFractionsToNearestFromZeroOutsideRange(FromfpFunc func) { EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(0.5), FP_INT_TONEARESTFROMZERO, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(0.715), FP_INT_TONEARESTFROMZERO, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(1.3), FP_INT_TONEARESTFROMZERO, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(1.5), FP_INT_TONEARESTFROMZERO, 2U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(-1.5), FP_INT_TONEARESTFROMZERO, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(1.75), FP_INT_TONEARESTFROMZERO, 2U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(-1.75), FP_INT_TONEARESTFROMZERO, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(10.32), FP_INT_TONEARESTFROMZERO, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(-10.32), FP_INT_TONEARESTFROMZERO, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(10.65), FP_INT_TONEARESTFROMZERO, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(-10.65), FP_INT_TONEARESTFROMZERO, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(123.38), FP_INT_TONEARESTFROMZERO, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(-123.38), FP_INT_TONEARESTFROMZERO, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(123.96), FP_INT_TONEARESTFROMZERO, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(-123.96), FP_INT_TONEARESTFROMZERO, 7U), FE_INVALID); } void testFractionsToNearestWithinRange(FromfpFunc func) { EXPECT_FP_EQ(T(0.0), func(T(0.5), FP_INT_TONEAREST, 1U)); EXPECT_FP_EQ(T(-0.0), func(T(-0.5), FP_INT_TONEAREST, 1U)); EXPECT_FP_EQ(T(0.0), func(T(0.115), FP_INT_TONEAREST, 1U)); EXPECT_FP_EQ(T(-0.0), func(T(-0.115), FP_INT_TONEAREST, 1U)); EXPECT_FP_EQ(T(1.0), func(T(0.715), FP_INT_TONEAREST, 2U)); EXPECT_FP_EQ(T(-1.0), func(T(-0.715), FP_INT_TONEAREST, 1U)); EXPECT_FP_EQ(T(1.0), func(T(1.3), FP_INT_TONEAREST, 2U)); EXPECT_FP_EQ(T(-1.0), func(T(-1.3), FP_INT_TONEAREST, 1U)); EXPECT_FP_EQ(T(2.0), func(T(1.5), FP_INT_TONEAREST, 3U)); EXPECT_FP_EQ(T(-2.0), func(T(-1.5), FP_INT_TONEAREST, 2U)); EXPECT_FP_EQ(T(2.0), func(T(1.75), FP_INT_TONEAREST, 3U)); EXPECT_FP_EQ(T(-2.0), func(T(-1.75), FP_INT_TONEAREST, 2U)); EXPECT_FP_EQ(T(10.0), func(T(10.32), FP_INT_TONEAREST, 5U)); EXPECT_FP_EQ(T(-10.0), func(T(-10.32), FP_INT_TONEAREST, 5U)); EXPECT_FP_EQ(T(11.0), func(T(10.65), FP_INT_TONEAREST, 5U)); EXPECT_FP_EQ(T(-11.0), func(T(-10.65), FP_INT_TONEAREST, 5U)); EXPECT_FP_EQ(T(123.0), func(T(123.38), FP_INT_TONEAREST, 8U)); EXPECT_FP_EQ(T(-123.0), func(T(-123.38), FP_INT_TONEAREST, 8U)); EXPECT_FP_EQ(T(124.0), func(T(123.96), FP_INT_TONEAREST, 8U)); EXPECT_FP_EQ(T(-124.0), func(T(-123.96), FP_INT_TONEAREST, 8U)); EXPECT_FP_EQ(T(2.0), func(T(2.3), FP_INT_TONEAREST, 3U)); EXPECT_FP_EQ(T(-2.0), func(T(-2.3), FP_INT_TONEAREST, 2U)); EXPECT_FP_EQ(T(2.0), func(T(2.5), FP_INT_TONEAREST, 3U)); EXPECT_FP_EQ(T(-2.0), func(T(-2.5), FP_INT_TONEAREST, 2U)); EXPECT_FP_EQ(T(3.0), func(T(2.75), FP_INT_TONEAREST, 3U)); EXPECT_FP_EQ(T(-3.0), func(T(-2.75), FP_INT_TONEAREST, 3U)); EXPECT_FP_EQ(T(5.0), func(T(5.3), FP_INT_TONEAREST, 4U)); EXPECT_FP_EQ(T(-5.0), func(T(-5.3), FP_INT_TONEAREST, 4U)); EXPECT_FP_EQ(T(6.0), func(T(5.5), FP_INT_TONEAREST, 4U)); EXPECT_FP_EQ(T(-6.0), func(T(-5.5), FP_INT_TONEAREST, 4U)); EXPECT_FP_EQ(T(6.0), func(T(5.75), FP_INT_TONEAREST, 4U)); EXPECT_FP_EQ(T(-6.0), func(T(-5.75), FP_INT_TONEAREST, 4U)); } void testFractionsToNearestOutsideRange(FromfpFunc func) { EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(0.715), FP_INT_TONEAREST, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(1.3), FP_INT_TONEAREST, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(1.5), FP_INT_TONEAREST, 2U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-1.5), FP_INT_TONEAREST, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(1.75), FP_INT_TONEAREST, 2U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-1.75), FP_INT_TONEAREST, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(10.32), FP_INT_TONEAREST, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-10.32), FP_INT_TONEAREST, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(10.65), FP_INT_TONEAREST, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-10.65), FP_INT_TONEAREST, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(123.38), FP_INT_TONEAREST, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-123.38), FP_INT_TONEAREST, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(123.96), FP_INT_TONEAREST, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-123.96), FP_INT_TONEAREST, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(2.3), FP_INT_TONEAREST, 2U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-2.3), FP_INT_TONEAREST, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(2.5), FP_INT_TONEAREST, 2U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-2.5), FP_INT_TONEAREST, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(2.75), FP_INT_TONEAREST, 2U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-2.75), FP_INT_TONEAREST, 2U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(5.3), FP_INT_TONEAREST, 3U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-5.3), FP_INT_TONEAREST, 3U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(5.5), FP_INT_TONEAREST, 3U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-5.5), FP_INT_TONEAREST, 3U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(5.75), FP_INT_TONEAREST, 3U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION(aNaN, func(T(-5.75), FP_INT_TONEAREST, 3U), FE_INVALID); } void testFractionsToNearestFallbackWithinRange(FromfpFunc func) { EXPECT_FP_EQ(T(0.0), func(T(0.5), UNKNOWN_MATH_ROUNDING_DIRECTION, 1U)); EXPECT_FP_EQ(T(-0.0), func(T(-0.5), UNKNOWN_MATH_ROUNDING_DIRECTION, 1U)); EXPECT_FP_EQ(T(0.0), func(T(0.115), UNKNOWN_MATH_ROUNDING_DIRECTION, 1U)); EXPECT_FP_EQ(T(-0.0), func(T(-0.115), UNKNOWN_MATH_ROUNDING_DIRECTION, 1U)); EXPECT_FP_EQ(T(1.0), func(T(0.715), UNKNOWN_MATH_ROUNDING_DIRECTION, 2U)); EXPECT_FP_EQ(T(-1.0), func(T(-0.715), UNKNOWN_MATH_ROUNDING_DIRECTION, 1U)); EXPECT_FP_EQ(T(1.0), func(T(1.3), UNKNOWN_MATH_ROUNDING_DIRECTION, 2U)); EXPECT_FP_EQ(T(-1.0), func(T(-1.3), UNKNOWN_MATH_ROUNDING_DIRECTION, 1U)); EXPECT_FP_EQ(T(2.0), func(T(1.5), UNKNOWN_MATH_ROUNDING_DIRECTION, 3U)); EXPECT_FP_EQ(T(-2.0), func(T(-1.5), UNKNOWN_MATH_ROUNDING_DIRECTION, 2U)); EXPECT_FP_EQ(T(2.0), func(T(1.75), UNKNOWN_MATH_ROUNDING_DIRECTION, 3U)); EXPECT_FP_EQ(T(-2.0), func(T(-1.75), UNKNOWN_MATH_ROUNDING_DIRECTION, 2U)); EXPECT_FP_EQ(T(10.0), func(T(10.32), UNKNOWN_MATH_ROUNDING_DIRECTION, 5U)); EXPECT_FP_EQ(T(-10.0), func(T(-10.32), UNKNOWN_MATH_ROUNDING_DIRECTION, 5U)); EXPECT_FP_EQ(T(11.0), func(T(10.65), UNKNOWN_MATH_ROUNDING_DIRECTION, 5U)); EXPECT_FP_EQ(T(-11.0), func(T(-10.65), UNKNOWN_MATH_ROUNDING_DIRECTION, 5U)); EXPECT_FP_EQ(T(123.0), func(T(123.38), UNKNOWN_MATH_ROUNDING_DIRECTION, 8U)); EXPECT_FP_EQ(T(-123.0), func(T(-123.38), UNKNOWN_MATH_ROUNDING_DIRECTION, 8U)); EXPECT_FP_EQ(T(124.0), func(T(123.96), UNKNOWN_MATH_ROUNDING_DIRECTION, 8U)); EXPECT_FP_EQ(T(-124.0), func(T(-123.96), UNKNOWN_MATH_ROUNDING_DIRECTION, 8U)); EXPECT_FP_EQ(T(2.0), func(T(2.3), UNKNOWN_MATH_ROUNDING_DIRECTION, 3U)); EXPECT_FP_EQ(T(-2.0), func(T(-2.3), UNKNOWN_MATH_ROUNDING_DIRECTION, 2U)); EXPECT_FP_EQ(T(2.0), func(T(2.5), UNKNOWN_MATH_ROUNDING_DIRECTION, 3U)); EXPECT_FP_EQ(T(-2.0), func(T(-2.5), UNKNOWN_MATH_ROUNDING_DIRECTION, 2U)); EXPECT_FP_EQ(T(3.0), func(T(2.75), UNKNOWN_MATH_ROUNDING_DIRECTION, 3U)); EXPECT_FP_EQ(T(-3.0), func(T(-2.75), UNKNOWN_MATH_ROUNDING_DIRECTION, 3U)); EXPECT_FP_EQ(T(5.0), func(T(5.3), UNKNOWN_MATH_ROUNDING_DIRECTION, 4U)); EXPECT_FP_EQ(T(-5.0), func(T(-5.3), UNKNOWN_MATH_ROUNDING_DIRECTION, 4U)); EXPECT_FP_EQ(T(6.0), func(T(5.5), UNKNOWN_MATH_ROUNDING_DIRECTION, 4U)); EXPECT_FP_EQ(T(-6.0), func(T(-5.5), UNKNOWN_MATH_ROUNDING_DIRECTION, 4U)); EXPECT_FP_EQ(T(6.0), func(T(5.75), UNKNOWN_MATH_ROUNDING_DIRECTION, 4U)); EXPECT_FP_EQ(T(-6.0), func(T(-5.75), UNKNOWN_MATH_ROUNDING_DIRECTION, 4U)); } void testFractionsToNearestFallbackOutsideRange(FromfpFunc func) { EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(0.715), UNKNOWN_MATH_ROUNDING_DIRECTION, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(1.3), UNKNOWN_MATH_ROUNDING_DIRECTION, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(1.5), UNKNOWN_MATH_ROUNDING_DIRECTION, 2U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(-1.5), UNKNOWN_MATH_ROUNDING_DIRECTION, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(1.75), UNKNOWN_MATH_ROUNDING_DIRECTION, 2U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(-1.75), UNKNOWN_MATH_ROUNDING_DIRECTION, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(10.32), UNKNOWN_MATH_ROUNDING_DIRECTION, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(-10.32), UNKNOWN_MATH_ROUNDING_DIRECTION, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(10.65), UNKNOWN_MATH_ROUNDING_DIRECTION, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(-10.65), UNKNOWN_MATH_ROUNDING_DIRECTION, 4U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(123.38), UNKNOWN_MATH_ROUNDING_DIRECTION, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(-123.38), UNKNOWN_MATH_ROUNDING_DIRECTION, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(123.96), UNKNOWN_MATH_ROUNDING_DIRECTION, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(-123.96), UNKNOWN_MATH_ROUNDING_DIRECTION, 7U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(2.3), UNKNOWN_MATH_ROUNDING_DIRECTION, 2U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(-2.3), UNKNOWN_MATH_ROUNDING_DIRECTION, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(2.5), UNKNOWN_MATH_ROUNDING_DIRECTION, 2U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(-2.5), UNKNOWN_MATH_ROUNDING_DIRECTION, 1U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(2.75), UNKNOWN_MATH_ROUNDING_DIRECTION, 2U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(-2.75), UNKNOWN_MATH_ROUNDING_DIRECTION, 2U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(5.3), UNKNOWN_MATH_ROUNDING_DIRECTION, 3U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(-5.3), UNKNOWN_MATH_ROUNDING_DIRECTION, 3U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(5.5), UNKNOWN_MATH_ROUNDING_DIRECTION, 3U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(-5.5), UNKNOWN_MATH_ROUNDING_DIRECTION, 3U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(5.75), UNKNOWN_MATH_ROUNDING_DIRECTION, 3U), FE_INVALID); EXPECT_FP_EQ_WITH_EXCEPTION( aNaN, func(T(-5.75), UNKNOWN_MATH_ROUNDING_DIRECTION, 3U), FE_INVALID); } }; #define LIST_FROMFP_TESTS(T, func) \ using LlvmLibcFromfpTest = FromfpTestTemplate; \ TEST_F(LlvmLibcFromfpTest, SpecialNumbersNonzeroWidth) { \ testSpecialNumbersNonzeroWidth(&func); \ } \ TEST_F(LlvmLibcFromfpTest, SpecialNumbersZeroWidth) { \ testSpecialNumbersZeroWidth(&func); \ } \ TEST_F(LlvmLibcFromfpTest, RoundedNumbersWithinRange) { \ testRoundedNumbersWithinRange(&func); \ } \ TEST_F(LlvmLibcFromfpTest, RoundedNumbersOutsideRange) { \ testRoundedNumbersOutsideRange(&func); \ } \ TEST_F(LlvmLibcFromfpTest, FractionsUpwardWithinRange) { \ testFractionsUpwardWithinRange(&func); \ } \ TEST_F(LlvmLibcFromfpTest, FractionsUpwardOutsideRange) { \ testFractionsUpwardOutsideRange(&func); \ } \ TEST_F(LlvmLibcFromfpTest, FractionsDownwardWithinRange) { \ testFractionsDownwardWithinRange(&func); \ } \ TEST_F(LlvmLibcFromfpTest, FractionsDownwardOutsideRange) { \ testFractionsDownwardOutsideRange(&func); \ } \ TEST_F(LlvmLibcFromfpTest, FractionsTowardZeroWithinRange) { \ testFractionsTowardZeroWithinRange(&func); \ } \ TEST_F(LlvmLibcFromfpTest, FractionsTowardZeroOutsideRange) { \ testFractionsTowardZeroOutsideRange(&func); \ } \ TEST_F(LlvmLibcFromfpTest, FractionsToNearestFromZeroWithinRange) { \ testFractionsToNearestFromZeroWithinRange(&func); \ } \ TEST_F(LlvmLibcFromfpTest, FractionsToNearestFromZeroOutsideRange) { \ testFractionsToNearestFromZeroOutsideRange(&func); \ } \ TEST_F(LlvmLibcFromfpTest, FractionsToNearestWithinRange) { \ testFractionsToNearestWithinRange(&func); \ } \ TEST_F(LlvmLibcFromfpTest, FractionsToNearestOutsideRange) { \ testFractionsToNearestOutsideRange(&func); \ } \ TEST_F(LlvmLibcFromfpTest, FractionsToNearestFallbackWithinRange) { \ testFractionsToNearestFallbackWithinRange(&func); \ } \ TEST_F(LlvmLibcFromfpTest, FractionsToNearestFallbackOutsideRange) { \ testFractionsToNearestFallbackOutsideRange(&func); \ } #endif // LIBC_TEST_SRC_MATH_SMOKE_FROMFPTEST_H