68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
// RUN: %clang_builtins %s %librt -o %t && %run %t
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// REQUIRES: librt_has_trunctfdf2
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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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COMPILER_RT_ABI double __trunctfdf2(long double a);
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int test__trunctfdf2(long double a, uint64_t expected)
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{
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double x = __trunctfdf2(a);
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int ret = compareResultD(x, expected);
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if (ret)
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{
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printf("error in test__trunctfdf2(%.20Lf) = %lf, "
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"expected %lf\n", a, x, fromRep64(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 __LDBL_MANT_DIG__ == 113
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// qNaN
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if (test__trunctfdf2(makeQNaN128(),
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UINT64_C(0x7ff8000000000000)))
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return 1;
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// NaN
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if (test__trunctfdf2(makeNaN128(UINT64_C(0x810000000000)),
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UINT64_C(0x7ff8100000000000)))
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return 1;
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// inf
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if (test__trunctfdf2(makeInf128(),
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UINT64_C(0x7ff0000000000000)))
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return 1;
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// zero
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if (test__trunctfdf2(0.0L, UINT64_C(0x0)))
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return 1;
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if (test__trunctfdf2(0x1.af23456789bbaaab347645365cdep+5L,
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UINT64_C(0x404af23456789bbb)))
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return 1;
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if (test__trunctfdf2(0x1.dedafcff354b6ae9758763545432p-9L,
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UINT64_C(0x3f6dedafcff354b7)))
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return 1;
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if (test__trunctfdf2(0x1.2f34dd5f437e849b4baab754cdefp+4534L,
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UINT64_C(0x7ff0000000000000)))
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return 1;
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if (test__trunctfdf2(0x1.edcbff8ad76ab5bf46463233214fp-435L,
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UINT64_C(0x24cedcbff8ad76ab)))
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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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