forked from OSchip/llvm-project
68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
//===-- floatunditf_test.c - Test __floatunditf ---------------------------===//
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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 __floatunditf for the compiler_rt library.
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//
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//===----------------------------------------------------------------------===//
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#include "int_lib.h"
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#include <math.h>
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#include <complex.h>
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#include <stdio.h>
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#if __LDBL_MANT_DIG__ == 113
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#include "fp_test.h"
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// Returns: long integer converted to long double
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COMPILER_RT_ABI long double __floatunditf(unsigned long long a);
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int test__floatunditf(unsigned long long a, uint64_t expectedHi, uint64_t expectedLo)
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{
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long double x = __floatunditf(a);
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int ret = compareResultLD(x, expectedHi, expectedLo);
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if (ret)
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printf("error in __floatunditf(%Lu) = %.20Lf, "
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"expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));
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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 __LDBL_MANT_DIG__ == 113
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if (test__floatunditf(0xffffffffffffffffULL, UINT64_C(0x403effffffffffff), UINT64_C(0xfffe000000000000)))
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return 1;
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if (test__floatunditf(0xfffffffffffffffeULL, UINT64_C(0x403effffffffffff), UINT64_C(0xfffc000000000000)))
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return 1;
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if (test__floatunditf(0x8000000000000000ULL, UINT64_C(0x403e000000000000), UINT64_C(0x0)))
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return 1;
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if (test__floatunditf(0x7fffffffffffffffULL, UINT64_C(0x403dffffffffffff), UINT64_C(0xfffc000000000000)))
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return 1;
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if (test__floatunditf(0x123456789abcdef1ULL, UINT64_C(0x403b23456789abcd), UINT64_C(0xef10000000000000)))
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return 1;
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if (test__floatunditf(0x2ULL, UINT64_C(0x4000000000000000), UINT64_C(0x0)))
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return 1;
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if (test__floatunditf(0x1ULL, UINT64_C(0x3fff000000000000), UINT64_C(0x0)))
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return 1;
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if (test__floatunditf(0x0ULL, UINT64_C(0x0), UINT64_C(0x0)))
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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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