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1// RUN: %clang_builtins %s %librt -o %t && %run %t2// REQUIRES: librt_has_floattisf3// REQUIRES: int1284 5#include "int_lib.h"6#include <float.h>7#include <stdio.h>8 9#ifdef CRT_HAS_128BIT10 11// Returns: convert a to a float, rounding toward even.12 13// Assumption: float is a IEEE 32 bit floating point type 14//             ti_int is a 64 bit integral type15 16// seee eeee emmm mmmm mmmm mmmm mmmm mmmm17 18COMPILER_RT_ABI float __floattisf(ti_int a);19 20int test__floattisf(ti_int a, float expected)21{22    float x = __floattisf(a);23    if (x != expected)24    {25        twords at;26        at.all = a;27        printf("error in __floattisf(0x%.16llX%.16llX) = %a, expected %a\n",28               at.s.high, at.s.low, x, expected);29    }30    return x != expected;31}32 33char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0};34char assumption_2[sizeof(ti_int)*CHAR_BIT == 128] = {0};35char assumption_3[sizeof(float)*CHAR_BIT == 32] = {0};36 37#endif38 39int main()40{41#ifdef CRT_HAS_128BIT42    if (test__floattisf(0, 0.0F))43        return 1;44 45    if (test__floattisf(1, 1.0F))46        return 1;47    if (test__floattisf(2, 2.0F))48        return 1;49    if (test__floattisf(-1, -1.0F))50        return 1;51    if (test__floattisf(-2, -2.0F))52        return 1;53 54    if (test__floattisf(0x7FFFFF8000000000LL, 0x1.FFFFFEp+62F))55        return 1;56    if (test__floattisf(0x7FFFFF0000000000LL, 0x1.FFFFFCp+62F))57        return 1;58 59    if (test__floattisf(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000008000000000LL),60                        -0x1.FFFFFEp+62F))61        return 1;62    if (test__floattisf(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000010000000000LL),63                        -0x1.FFFFFCp+62F))64        return 1;65 66    if (test__floattisf(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000000LL),67                        -0x1.000000p+63F))68        return 1;69    if (test__floattisf(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL),70                        -0x1.000000p+63F))71        return 1;72 73    if (test__floattisf(0x0007FB72E8000000LL, 0x1.FEDCBAp+50F))74        return 1;75 76    if (test__floattisf(0x0007FB72EA000000LL, 0x1.FEDCBAp+50F))77        return 1;78    if (test__floattisf(0x0007FB72EB000000LL, 0x1.FEDCBAp+50F))79        return 1;80    if (test__floattisf(0x0007FB72EBFFFFFFLL, 0x1.FEDCBAp+50F))81        return 1;82    if (test__floattisf(0x0007FB72EC000000LL, 0x1.FEDCBCp+50F))83        return 1;84    if (test__floattisf(0x0007FB72E8000001LL, 0x1.FEDCBAp+50F))85        return 1;86 87    if (test__floattisf(0x0007FB72E6000000LL, 0x1.FEDCBAp+50F))88        return 1;89    if (test__floattisf(0x0007FB72E7000000LL, 0x1.FEDCBAp+50F))90        return 1;91    if (test__floattisf(0x0007FB72E7FFFFFFLL, 0x1.FEDCBAp+50F))92        return 1;93    if (test__floattisf(0x0007FB72E4000001LL, 0x1.FEDCBAp+50F))94        return 1;95    if (test__floattisf(0x0007FB72E4000000LL, 0x1.FEDCB8p+50F))96        return 1;97 98    if (test__floattisf(make_ti(0x0007FB72E8000000LL, 0), 0x1.FEDCBAp+114F))99        return 1;100 101    if (test__floattisf(make_ti(0x0007FB72EA000000LL, 0), 0x1.FEDCBAp+114F))102        return 1;103    if (test__floattisf(make_ti(0x0007FB72EB000000LL, 0), 0x1.FEDCBAp+114F))104        return 1;105    if (test__floattisf(make_ti(0x0007FB72EBFFFFFFLL, 0), 0x1.FEDCBAp+114F))106        return 1;107    if (test__floattisf(make_ti(0x0007FB72EC000000LL, 0), 0x1.FEDCBCp+114F))108        return 1;109    if (test__floattisf(make_ti(0x0007FB72E8000001LL, 0), 0x1.FEDCBAp+114F))110        return 1;111 112    if (test__floattisf(make_ti(0x0007FB72E6000000LL, 0), 0x1.FEDCBAp+114F))113        return 1;114    if (test__floattisf(make_ti(0x0007FB72E7000000LL, 0), 0x1.FEDCBAp+114F))115        return 1;116    if (test__floattisf(make_ti(0x0007FB72E7FFFFFFLL, 0), 0x1.FEDCBAp+114F))117        return 1;118    if (test__floattisf(make_ti(0x0007FB72E4000001LL, 0), 0x1.FEDCBAp+114F))119        return 1;120    if (test__floattisf(make_ti(0x0007FB72E4000000LL, 0), 0x1.FEDCB8p+114F))121        return 1;122 123#else124    printf("skipped\n");125#endif126   return 0;127}128