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//===-- 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 <typename T>
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(64.0), func(T(63.25), FP_INT_UPWARD, 8U));
EXPECT_FP_EQ(T(-63.0), func(T(-63.25), FP_INT_UPWARD, 8U));
EXPECT_FP_EQ(T(64.0), func(T(63.75), FP_INT_UPWARD, 8U));
EXPECT_FP_EQ(T(-63.0), func(T(-63.75), 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(63.0), func(T(63.25), FP_INT_DOWNWARD, 8U));
EXPECT_FP_EQ(T(-64.0), func(T(-63.25), FP_INT_DOWNWARD, 8U));
EXPECT_FP_EQ(T(63.0), func(T(63.75), FP_INT_DOWNWARD, 8U));
EXPECT_FP_EQ(T(-64.0), func(T(-63.75), 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(63.0), func(T(63.25), FP_INT_TOWARDZERO, 8U));
EXPECT_FP_EQ(T(-63.0), func(T(-63.25), FP_INT_TOWARDZERO, 8U));
EXPECT_FP_EQ(T(63.0), func(T(63.75), FP_INT_TOWARDZERO, 8U));
EXPECT_FP_EQ(T(-63.0), func(T(-63.75), 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(63.0), func(T(63.25), FP_INT_TONEARESTFROMZERO, 8U));
EXPECT_FP_EQ(T(-63.0), func(T(-63.25), FP_INT_TONEARESTFROMZERO, 8U));
EXPECT_FP_EQ(T(64.0), func(T(63.75), FP_INT_TONEARESTFROMZERO, 8U));
EXPECT_FP_EQ(T(-64.0), func(T(-63.75), 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(63.0), func(T(63.25), FP_INT_TONEAREST, 8U));
EXPECT_FP_EQ(T(-63.0), func(T(-63.25), FP_INT_TONEAREST, 8U));
EXPECT_FP_EQ(T(64.0), func(T(63.75), FP_INT_TONEAREST, 8U));
EXPECT_FP_EQ(T(-64.0), func(T(-63.75), 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(63.0), func(T(63.25), UNKNOWN_MATH_ROUNDING_DIRECTION, 8U));
EXPECT_FP_EQ(T(-63.0),
func(T(-63.25), UNKNOWN_MATH_ROUNDING_DIRECTION, 8U));
EXPECT_FP_EQ(T(64.0), func(T(63.75), UNKNOWN_MATH_ROUNDING_DIRECTION, 8U));
EXPECT_FP_EQ(T(-64.0),
func(T(-63.75), 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<T>; \
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
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