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| // RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_extendsftf2
//===--------------- extendsftf2_test.c - Test __extendsftf2 --------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file tests __extendsftf2 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
#if __LDBL_MANT_DIG__ == 113
#include "fp_test.h"
COMPILER_RT_ABI long double __extendsftf2(float a);
int test__extendsftf2(float a, uint64_t expectedHi, uint64_t expectedLo)
{
long double x = __extendsftf2(a);
int ret = compareResultLD(x, expectedHi, expectedLo);
if (ret)
{
printf("error in test__extendsftf2(%f) = %.20Lf, "
"expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));
}
return ret;
}
char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
#endif
int main()
{
#if __LDBL_MANT_DIG__ == 113
// qNaN
if (test__extendsftf2(makeQNaN32(),
UINT64_C(0x7fff800000000000),
UINT64_C(0x0)))
return 1;
// NaN
if (test__extendsftf2(makeNaN32(UINT32_C(0x410000)),
UINT64_C(0x7fff820000000000),
UINT64_C(0x0)))
return 1;
// inf
if (test__extendsftf2(makeInf32(),
UINT64_C(0x7fff000000000000),
UINT64_C(0x0)))
return 1;
// zero
if (test__extendsftf2(0.0f, UINT64_C(0x0), UINT64_C(0x0)))
return 1;
if (test__extendsftf2(0x1.23456p+5f,
UINT64_C(0x4004234560000000),
UINT64_C(0x0)))
return 1;
if (test__extendsftf2(0x1.edcbap-9f,
UINT64_C(0x3ff6edcba0000000),
UINT64_C(0x0)))
return 1;
if (test__extendsftf2(0x1.23456p+45f,
UINT64_C(0x402c234560000000),
UINT64_C(0x0)))
return 1;
if (test__extendsftf2(0x1.edcbap-45f,
UINT64_C(0x3fd2edcba0000000),
UINT64_C(0x0)))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}
|