forked from OSchip/llvm-project
62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
//===--------------- floatsitf_test.c - Test __floatsitf ------------------===//
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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 __floatsitf 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 <stdio.h>
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#if __LDBL_MANT_DIG__ == 113
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#include "fp_test.h"
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long COMPILER_RT_ABI double __floatsitf(int a);
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int test__floatsitf(int a, uint64_t expectedHi, uint64_t expectedLo)
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{
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long double x = __floatsitf(a);
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int ret = compareResultLD(x, expectedHi, expectedLo);
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if (ret)
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{
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printf("error in test__floatsitf(%d) = %.20Lf, "
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"expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));
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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 __LDBL_MANT_DIG__ == 113
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if (test__floatsitf(0x80000000, UINT64_C(0xc01e000000000000), UINT64_C(0x0)))
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return 1;
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if (test__floatsitf(0x7fffffff, UINT64_C(0x401dfffffffc0000), UINT64_C(0x0)))
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return 1;
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if (test__floatsitf(0, UINT64_C(0x0), UINT64_C(0x0)))
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return 1;
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if (test__floatsitf(0xffffffff, UINT64_C(0xbfff000000000000), UINT64_C(0x0)))
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return 1;
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if (test__floatsitf(0x12345678, UINT64_C(0x401b234567800000), UINT64_C(0x0)))
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return 1;
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if (test__floatsitf(-0x12345678, UINT64_C(0xc01b234567800000), 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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