forked from OSchip/llvm-project
137 lines
4.3 KiB
C
137 lines
4.3 KiB
C
//===-- floattisf_test.c - Test __floattisf -------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file tests __floattisf for the compiler_rt library.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "int_lib.h"
|
|
#include <float.h>
|
|
#include <stdio.h>
|
|
|
|
#ifdef CRT_HAS_128BIT
|
|
|
|
// Returns: convert a to a float, rounding toward even.
|
|
|
|
// Assumption: float is a IEEE 32 bit floating point type
|
|
// ti_int is a 64 bit integral type
|
|
|
|
// seee eeee emmm mmmm mmmm mmmm mmmm mmmm
|
|
|
|
COMPILER_RT_ABI float __floattisf(ti_int a);
|
|
|
|
int test__floattisf(ti_int a, float expected)
|
|
{
|
|
float x = __floattisf(a);
|
|
if (x != expected)
|
|
{
|
|
twords at;
|
|
at.all = a;
|
|
printf("error in __floattisf(0x%.16llX%.16llX) = %a, expected %a\n",
|
|
at.s.high, at.s.low, x, expected);
|
|
}
|
|
return x != expected;
|
|
}
|
|
|
|
char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0};
|
|
char assumption_2[sizeof(ti_int)*CHAR_BIT == 128] = {0};
|
|
char assumption_3[sizeof(float)*CHAR_BIT == 32] = {0};
|
|
|
|
#endif
|
|
|
|
int main()
|
|
{
|
|
#ifdef CRT_HAS_128BIT
|
|
if (test__floattisf(0, 0.0F))
|
|
return 1;
|
|
|
|
if (test__floattisf(1, 1.0F))
|
|
return 1;
|
|
if (test__floattisf(2, 2.0F))
|
|
return 1;
|
|
if (test__floattisf(-1, -1.0F))
|
|
return 1;
|
|
if (test__floattisf(-2, -2.0F))
|
|
return 1;
|
|
|
|
if (test__floattisf(0x7FFFFF8000000000LL, 0x1.FFFFFEp+62F))
|
|
return 1;
|
|
if (test__floattisf(0x7FFFFF0000000000LL, 0x1.FFFFFCp+62F))
|
|
return 1;
|
|
|
|
if (test__floattisf(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000008000000000LL),
|
|
-0x1.FFFFFEp+62F))
|
|
return 1;
|
|
if (test__floattisf(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000010000000000LL),
|
|
-0x1.FFFFFCp+62F))
|
|
return 1;
|
|
|
|
if (test__floattisf(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000000LL),
|
|
-0x1.000000p+63F))
|
|
return 1;
|
|
if (test__floattisf(make_ti(0xFFFFFFFFFFFFFFFFLL, 0x8000000000000001LL),
|
|
-0x1.000000p+63F))
|
|
return 1;
|
|
|
|
if (test__floattisf(0x0007FB72E8000000LL, 0x1.FEDCBAp+50F))
|
|
return 1;
|
|
|
|
if (test__floattisf(0x0007FB72EA000000LL, 0x1.FEDCBAp+50F))
|
|
return 1;
|
|
if (test__floattisf(0x0007FB72EB000000LL, 0x1.FEDCBAp+50F))
|
|
return 1;
|
|
if (test__floattisf(0x0007FB72EBFFFFFFLL, 0x1.FEDCBAp+50F))
|
|
return 1;
|
|
if (test__floattisf(0x0007FB72EC000000LL, 0x1.FEDCBCp+50F))
|
|
return 1;
|
|
if (test__floattisf(0x0007FB72E8000001LL, 0x1.FEDCBAp+50F))
|
|
return 1;
|
|
|
|
if (test__floattisf(0x0007FB72E6000000LL, 0x1.FEDCBAp+50F))
|
|
return 1;
|
|
if (test__floattisf(0x0007FB72E7000000LL, 0x1.FEDCBAp+50F))
|
|
return 1;
|
|
if (test__floattisf(0x0007FB72E7FFFFFFLL, 0x1.FEDCBAp+50F))
|
|
return 1;
|
|
if (test__floattisf(0x0007FB72E4000001LL, 0x1.FEDCBAp+50F))
|
|
return 1;
|
|
if (test__floattisf(0x0007FB72E4000000LL, 0x1.FEDCB8p+50F))
|
|
return 1;
|
|
|
|
if (test__floattisf(make_ti(0x0007FB72E8000000LL, 0), 0x1.FEDCBAp+114F))
|
|
return 1;
|
|
|
|
if (test__floattisf(make_ti(0x0007FB72EA000000LL, 0), 0x1.FEDCBAp+114F))
|
|
return 1;
|
|
if (test__floattisf(make_ti(0x0007FB72EB000000LL, 0), 0x1.FEDCBAp+114F))
|
|
return 1;
|
|
if (test__floattisf(make_ti(0x0007FB72EBFFFFFFLL, 0), 0x1.FEDCBAp+114F))
|
|
return 1;
|
|
if (test__floattisf(make_ti(0x0007FB72EC000000LL, 0), 0x1.FEDCBCp+114F))
|
|
return 1;
|
|
if (test__floattisf(make_ti(0x0007FB72E8000001LL, 0), 0x1.FEDCBAp+114F))
|
|
return 1;
|
|
|
|
if (test__floattisf(make_ti(0x0007FB72E6000000LL, 0), 0x1.FEDCBAp+114F))
|
|
return 1;
|
|
if (test__floattisf(make_ti(0x0007FB72E7000000LL, 0), 0x1.FEDCBAp+114F))
|
|
return 1;
|
|
if (test__floattisf(make_ti(0x0007FB72E7FFFFFFLL, 0), 0x1.FEDCBAp+114F))
|
|
return 1;
|
|
if (test__floattisf(make_ti(0x0007FB72E4000001LL, 0), 0x1.FEDCBAp+114F))
|
|
return 1;
|
|
if (test__floattisf(make_ti(0x0007FB72E4000000LL, 0), 0x1.FEDCB8p+114F))
|
|
return 1;
|
|
|
|
#else
|
|
printf("skipped\n");
|
|
#endif
|
|
return 0;
|
|
}
|