llvm-project/compiler-rt/test/builtins/Unit/gttf2_test.c

91 lines
2.6 KiB
C

// RUN: %clang_builtins %s %librt -o %t && %run %t
//===------------ gttf2_test.c - Test __gttf2------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file tests __gttf2 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include <stdio.h>
#if __LP64__ && __LDBL_MANT_DIG__ == 113
#include "fp_test.h"
int __gttf2(long double a, long double b);
int test__gttf2(long double a, long double b, enum EXPECTED_RESULT expected)
{
int x = __gttf2(a, b);
int ret = compareResultCMP(x, expected);
if (ret){
printf("error in test__gttf2(%.20Lf, %.20Lf) = %d, "
"expected %s\n", a, b, x, expectedStr(expected));
}
return ret;
}
char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
#endif
int main()
{
#if __LP64__ && __LDBL_MANT_DIG__ == 113
// NaN
if (test__gttf2(makeQNaN128(),
0x1.234567890abcdef1234567890abcp+3L,
LESS_EQUAL_0))
return 1;
// <
// exp
if (test__gttf2(0x1.234567890abcdef1234567890abcp-3L,
0x1.234567890abcdef1234567890abcp+3L,
LESS_EQUAL_0))
return 1;
// mantissa
if (test__gttf2(0x1.234567890abcdef1234567890abcp+3L,
0x1.334567890abcdef1234567890abcp+3L,
LESS_EQUAL_0))
return 1;
// sign
if (test__gttf2(-0x1.234567890abcdef1234567890abcp+3L,
0x1.234567890abcdef1234567890abcp+3L,
LESS_EQUAL_0))
return 1;
// ==
if (test__gttf2(0x1.234567890abcdef1234567890abcp+3L,
0x1.234567890abcdef1234567890abcp+3L,
LESS_EQUAL_0))
return 1;
// >
// exp
if (test__gttf2(0x1.234567890abcdef1234567890abcp+3L,
0x1.234567890abcdef1234567890abcp-3L,
GREATER_0))
return 1;
// mantissa
if (test__gttf2(0x1.334567890abcdef1234567890abcp+3L,
0x1.234567890abcdef1234567890abcp+3L,
GREATER_0))
return 1;
// sign
if (test__gttf2(0x1.234567890abcdef1234567890abcp+3L,
-0x1.234567890abcdef1234567890abcp+3L,
GREATER_0))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}