75 lines · c
1// RUN: %clang_builtins %s %librt -o %t && %run %t2// REQUIRES: librt_has_extendsftf23 4#include "int_lib.h"5#include <stdio.h>6 7#if __LDBL_MANT_DIG__ == 1138 9#include "fp_test.h"10 11COMPILER_RT_ABI long double __extendsftf2(float a);12 13int test__extendsftf2(float a, uint64_t expectedHi, uint64_t expectedLo)14{15 long double x = __extendsftf2(a);16 int ret = compareResultF128(x, expectedHi, expectedLo);17 18 if (ret)19 {20 printf("error in test__extendsftf2(%f) = %.20Lf, "21 "expected %.20Lf\n", a, x, fromRep128(expectedHi, expectedLo));22 }23 return ret;24}25 26char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};27 28#endif29 30int main()31{32#if __LDBL_MANT_DIG__ == 11333 // qNaN34 if (test__extendsftf2(makeQNaN32(),35 UINT64_C(0x7fff800000000000),36 UINT64_C(0x0)))37 return 1;38 // NaN39 if (test__extendsftf2(makeNaN32(UINT32_C(0x410000)),40 UINT64_C(0x7fff820000000000),41 UINT64_C(0x0)))42 return 1;43 // inf44 if (test__extendsftf2(makeInf32(),45 UINT64_C(0x7fff000000000000),46 UINT64_C(0x0)))47 return 1;48 // zero49 if (test__extendsftf2(0.0f, UINT64_C(0x0), UINT64_C(0x0)))50 return 1;51 52 if (test__extendsftf2(0x1.23456p+5f,53 UINT64_C(0x4004234560000000),54 UINT64_C(0x0)))55 return 1;56 if (test__extendsftf2(0x1.edcbap-9f,57 UINT64_C(0x3ff6edcba0000000),58 UINT64_C(0x0)))59 return 1;60 if (test__extendsftf2(0x1.23456p+45f,61 UINT64_C(0x402c234560000000),62 UINT64_C(0x0)))63 return 1;64 if (test__extendsftf2(0x1.edcbap-45f,65 UINT64_C(0x3fd2edcba0000000),66 UINT64_C(0x0)))67 return 1;68 69#else70 printf("skipped\n");71 72#endif73 return 0;74}75