74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
// RUN: %clang_builtins %s %librt -o %t && %run %t
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// REQUIRES: librt_has_extendxftf2
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#include "int_lib.h"
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#include <stdio.h>
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#if __LDBL_MANT_DIG__ == 64 && defined(__x86_64__) && \
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(defined(__FLOAT128__) || defined(__SIZEOF_FLOAT128__))
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#include "fp_test.h"
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COMPILER_RT_ABI tf_float __extendxftf2(long double a);
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int test__extendxftf2(long double a, uint64_t expectedHi, uint64_t expectedLo) {
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tf_float x = __extendxftf2(a);
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int ret = compareResultF128(x, expectedHi, expectedLo);
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if (ret) {
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printf("error in __extendxftf2(%.20Lf) = %.20Lf, "
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"expected %.20Lf\n",
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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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#if __LDBL_MANT_DIG__ == 64 && defined(__x86_64__) && \
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(defined(__FLOAT128__) || defined(__SIZEOF_FLOAT128__))
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// qNaN
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if (test__extendxftf2(makeQNaN80(), UINT64_C(0x7fff800000000000),
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UINT64_C(0x0)))
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return 1;
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// NaN
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if (test__extendxftf2(makeNaN80(UINT64_C(0x3fffffffffffffff)),
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UINT64_C(0x7fff7fffffffffff),
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UINT64_C(0xfffe000000000000)))
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return 1;
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// inf
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if (test__extendxftf2(makeInf80(), UINT64_C(0x7fff000000000000),
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UINT64_C(0x0)))
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return 1;
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// zero
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if (test__extendxftf2(0.0, UINT64_C(0x0), UINT64_C(0x0)))
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return 1;
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if (test__extendxftf2(0x1.23456789abcdefp+5, UINT64_C(0x400423456789abcd),
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UINT64_C(0xf000000000000000)))
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return 1;
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if (test__extendxftf2(0x1.edcba987654321fp-9, UINT64_C(0x3ff6edcba9876543),
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UINT64_C(0x2000000000000000)))
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return 1;
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if (test__extendxftf2(0x1.23456789abcdefp+45, UINT64_C(0x402c23456789abcd),
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UINT64_C(0xf000000000000000)))
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return 1;
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if (test__extendxftf2(0x1.edcba987654321fp-45, UINT64_C(0x3fd2edcba9876543),
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UINT64_C(0x2000000000000000)))
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return 1;
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// denormal number
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if (test__extendxftf2(1e-4932L, UINT64_C(0x00004c248f91e526),
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UINT64_C(0xafe0000000000000)))
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return 1;
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// denormal number
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if (test__extendxftf2(2e-4932L, UINT64_C(0x000098491f23ca4d),
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UINT64_C(0x5fc0000000000000)))
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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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