lttf2_test.c
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// RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_comparetf2
#include <stdio.h>
#if __LP64__ && __LDBL_MANT_DIG__ == 113
#include "fp_test.h"
int __lttf2(long double a, long double b);
int test__lttf2(long double a, long double b, enum EXPECTED_RESULT expected)
{
int x = __lttf2(a, b);
int ret = compareResultCMP(x, expected);
if (ret){
printf("error in test__lttf2(%.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__lttf2(makeQNaN128(),
0x1.234567890abcdef1234567890abcp+3L,
GREATER_EQUAL_0))
return 1;
// <
// exp
if (test__lttf2(0x1.234567890abcdef1234567890abcp-3L,
0x1.234567890abcdef1234567890abcp+3L,
LESS_0))
return 1;
// mantissa
if (test__lttf2(0x1.234567890abcdef1234567890abcp+3L,
0x1.334567890abcdef1234567890abcp+3L,
LESS_0))
return 1;
// sign
if (test__lttf2(-0x1.234567890abcdef1234567890abcp+3L,
0x1.234567890abcdef1234567890abcp+3L,
LESS_0))
return 1;
// ==
if (test__lttf2(0x1.234567890abcdef1234567890abcp+3L,
0x1.234567890abcdef1234567890abcp+3L,
GREATER_EQUAL_0))
return 1;
// >
// exp
if (test__lttf2(0x1.234567890abcdef1234567890abcp+3L,
0x1.234567890abcdef1234567890abcp-3L,
GREATER_EQUAL_0))
return 1;
// mantissa
if (test__lttf2(0x1.334567890abcdef1234567890abcp+3L,
0x1.234567890abcdef1234567890abcp+3L,
GREATER_EQUAL_0))
return 1;
// sign
if (test__lttf2(0x1.234567890abcdef1234567890abcp+3L,
-0x1.234567890abcdef1234567890abcp+3L,
GREATER_EQUAL_0))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}