// RUN: %clang_builtins %s %librt -o %t && %run %t // REQUIRES: librt_has_extendxftf2 #include "int_lib.h" #include #if __LDBL_MANT_DIG__ == 64 && defined(__x86_64__) && \ (defined(__FLOAT128__) || defined(__SIZEOF_FLOAT128__)) #include "fp_test.h" COMPILER_RT_ABI tf_float __extendxftf2(long double a); int test__extendxftf2(long double a, uint64_t expectedHi, uint64_t expectedLo) { tf_float x = __extendxftf2(a); int ret = compareResultF128(x, expectedHi, expectedLo); if (ret) { printf("error in __extendxftf2(%.20Lf) = %.20Lf, " "expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo)); } return ret; } char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0}; #endif int main() { #if __LDBL_MANT_DIG__ == 64 && defined(__x86_64__) && \ (defined(__FLOAT128__) || defined(__SIZEOF_FLOAT128__)) // qNaN if (test__extendxftf2(makeQNaN80(), UINT64_C(0x7fff800000000000), UINT64_C(0x0))) return 1; // NaN if (test__extendxftf2(makeNaN80(UINT64_C(0x3fffffffffffffff)), UINT64_C(0x7fff7fffffffffff), UINT64_C(0xfffe000000000000))) return 1; // inf if (test__extendxftf2(makeInf80(), UINT64_C(0x7fff000000000000), UINT64_C(0x0))) return 1; // zero if (test__extendxftf2(0.0, UINT64_C(0x0), UINT64_C(0x0))) return 1; if (test__extendxftf2(0x1.23456789abcdefp+5, UINT64_C(0x400423456789abcd), UINT64_C(0xf000000000000000))) return 1; if (test__extendxftf2(0x1.edcba987654321fp-9, UINT64_C(0x3ff6edcba9876543), UINT64_C(0x2000000000000000))) return 1; if (test__extendxftf2(0x1.23456789abcdefp+45, UINT64_C(0x402c23456789abcd), UINT64_C(0xf000000000000000))) return 1; if (test__extendxftf2(0x1.edcba987654321fp-45, UINT64_C(0x3fd2edcba9876543), UINT64_C(0x2000000000000000))) return 1; // denormal number if (test__extendxftf2(1e-4932L, UINT64_C(0x00004c248f91e526), UINT64_C(0xafe0000000000000))) return 1; // denormal number if (test__extendxftf2(2e-4932L, UINT64_C(0x000098491f23ca4d), UINT64_C(0x5fc0000000000000))) return 1; #else printf("skipped\n"); #endif return 0; }