forked from OSchip/llvm-project
90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
//===------------ letf2_test.c - Test __letf2------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file tests __letf2 for the compiler_rt library.
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//
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//===----------------------------------------------------------------------===//
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#include <stdio.h>
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#if __LP64__ && __LDBL_MANT_DIG__ == 113
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#include "fp_test.h"
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int __letf2(long double a, long double b);
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int test__letf2(long double a, long double b, enum EXPECTED_RESULT expected)
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{
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int x = __letf2(a, b);
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int ret = compareResultCMP(x, expected);
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if (ret){
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printf("error in test__letf2(%.20Lf, %.20Lf) = %d, "
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"expected %s\n", a, b, x, expectedStr(expected));
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}
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return ret;
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}
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char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
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#endif
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int main()
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{
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#if __LP64__ && __LDBL_MANT_DIG__ == 113
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// NaN
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if (test__letf2(makeQNaN128(),
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0x1.234567890abcdef1234567890abcp+3L,
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GREATER_0))
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return 1;
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// <
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// exp
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if (test__letf2(0x1.234567890abcdef1234567890abcp-3L,
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0x1.234567890abcdef1234567890abcp+3L,
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LESS_EQUAL_0))
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return 1;
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// mantissa
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if (test__letf2(0x1.234567890abcdef1234567890abcp+3L,
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0x1.334567890abcdef1234567890abcp+3L,
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LESS_EQUAL_0))
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return 1;
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// sign
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if (test__letf2(-0x1.234567890abcdef1234567890abcp+3L,
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0x1.234567890abcdef1234567890abcp+3L,
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LESS_EQUAL_0))
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return 1;
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// ==
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if (test__letf2(0x1.234567890abcdef1234567890abcp+3L,
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0x1.234567890abcdef1234567890abcp+3L,
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LESS_EQUAL_0))
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return 1;
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// >
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// exp
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if (test__letf2(0x1.234567890abcdef1234567890abcp+3L,
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0x1.234567890abcdef1234567890abcp-3L,
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GREATER_0))
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return 1;
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// mantissa
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if (test__letf2(0x1.334567890abcdef1234567890abcp+3L,
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0x1.234567890abcdef1234567890abcp+3L,
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GREATER_0))
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return 1;
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// sign
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if (test__letf2(0x1.234567890abcdef1234567890abcp+3L,
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-0x1.234567890abcdef1234567890abcp+3L,
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GREATER_0))
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return 1;
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#else
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printf("skipped\n");
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#endif
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return 0;
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}
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