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/* Test of __unordsf2() function (used by GCC 4.3.0), finite values.
$Id: unord-01.c,v 1.1.2.2 2008/03/22 04:13:13 dmix Exp $
*/
#include <stdio.h>
#include <stdlib.h>
#include "progmem.h"
#ifdef __AVR__
extern int __unordsf2 (float, float);
# define UNORDSF2 __unordsf2
# define EXIT exit
#else
# include <math.h>
# define UNORDSF2 isunordered
# define EXIT(x) exit ((x) < 255 ? (x) : 255)
#endif
union lofl_u {
long lo;
float fl;
};
PROGMEM const struct { /* Table of test cases. */
union lofl_u x, y;
unsigned char z; /* result */
} t[] = {
/* 0.0 and 0.0 */
{ { 0x00000000 }, { 0x00000000 }, 0 },
{ { 0x00000000 }, { 0x80000000 }, 0 },
{ { 0x80000000 }, { 0x00000000 }, 0 },
{ { 0x80000000 }, { 0x80000000 }, 0 },
/* 0.0 and nonzero */
{ { 0x00000000 }, { 0x00000001 }, 0 },
{ { 0x00000000 }, { 0x007fffff }, 0 },
{ { 0x00000000 }, { 0x00800000 }, 0 },
{ { 0x00000000 }, { 0x7f7fffff }, 0 },
{ { 0x00000000 }, { 0x80000001 }, 0 },
{ { 0x00000000 }, { 0x807fffff }, 0 },
{ { 0x00000000 }, { 0x80800000 }, 0 },
{ { 0x00000000 }, { 0xff7fffff }, 0 },
/* -0.0 and nonzero */
{ { 0x80000000 }, { 0x00000001 }, 0 },
{ { 0x80000000 }, { 0x007fffff }, 0 },
{ { 0x80000000 }, { 0x00800000 }, 0 },
{ { 0x80000000 }, { 0x7f7fffff }, 0 },
{ { 0x80000000 }, { 0x80000001 }, 0 },
{ { 0x80000000 }, { 0x807fffff }, 0 },
{ { 0x80000000 }, { 0x80800000 }, 0 },
{ { 0x80000000 }, { 0xff7fffff }, 0 },
/* nonzero and 0.0 */
{ { 0x00000001 }, { 0x00000000 }, 0 },
{ { 0x007fffff }, { 0x00000000 }, 0 },
{ { 0x00800000 }, { 0x00000000 }, 0 },
{ { 0x7f7fffff }, { 0x00000000 }, 0 },
{ { 0x80000001 }, { 0x00000000 }, 0 },
{ { 0x807fffff }, { 0x00000000 }, 0 },
{ { 0x80800000 }, { 0x00000000 }, 0 },
{ { 0xff7fffff }, { 0x00000000 }, 0 },
/* nonzero and -0.0 */
{ { 0x00000001 }, { 0x80000000 }, 0 },
{ { 0x007fffff }, { 0x80000000 }, 0 },
{ { 0x00800000 }, { 0x80000000 }, 0 },
{ { 0x7f7fffff }, { 0x80000000 }, 0 },
{ { 0x80000001 }, { 0x80000000 }, 0 },
{ { 0x807fffff }, { 0x80000000 }, 0 },
{ { 0x80800000 }, { 0x80000000 }, 0 },
{ { 0xff7fffff }, { 0x80000000 }, 0 },
/* equal */
{ { 0x00000001 }, { 0x00000001 }, 0 },
{ { 0x007fffff }, { 0x007fffff }, 0 },
{ { 0x00800000 }, { 0x00800000 }, 0 },
{ { 0x7f7fffff }, { 0x7f7fffff }, 0 },
{ { 0x80000001 }, { 0x80000001 }, 0 },
{ { 0x807fffff }, { 0x807fffff }, 0 },
{ { 0x80800000 }, { 0x80800000 }, 0 },
{ { 0xff7fffff }, { 0xff7fffff }, 0 },
/* different signs */
{ { 0x00000001 }, { 0x80000001 }, 0 },
{ { 0x00000100 }, { 0x80000100 }, 0 },
{ { 0x00010000 }, { 0x80010000 }, 0 },
{ { 0x00800000 }, { 0x80800000 }, 0 },
{ { 0x7f000000 }, { 0xff000000 }, 0 },
{ { 0x7f7fffff }, { 0xff7fffff }, 0 },
{ { 0x80000001 }, { 0x00000001 }, 0 },
{ { 0x80000100 }, { 0x00000100 }, 0 },
{ { 0x80010000 }, { 0x00010000 }, 0 },
{ { 0x80800000 }, { 0x00800000 }, 0 },
{ { 0xff000000 }, { 0x7f000000 }, 0 },
{ { 0xff7fffff }, { 0x7f7fffff }, 0 },
/* slitely diffirent values */
{ { 0x00000003 }, { 0x00000001 }, 0 },
{ { 0x00000300 }, { 0x00000100 }, 0 },
{ { 0x00030000 }, { 0x00010000 }, 0 },
{ { 0x00c00000 }, { 0x00800000 }, 0 },
{ { 0x03000000 }, { 0x01000000 }, 0 },
{ { 0x60000000 }, { 0x20000000 }, 0 },
{ { 0x00000001 }, { 0x00000003 }, 0 },
{ { 0x00000100 }, { 0x00000300 }, 0 },
{ { 0x00010000 }, { 0x00030000 }, 0 },
{ { 0x00800000 }, { 0x00c00000 }, 0 },
{ { 0x01000000 }, { 0x03000000 }, 0 },
{ { 0x20000000 }, { 0x60000000 }, 0 },
/* x < y */
{ { 0xff7fffff }, { 0xff7ffffe }, 0 },
{ { 0xff7fffff }, { 0x80800000 }, 0 },
{ { 0xff7fffff }, { 0x807fffff }, 0 },
{ { 0xff7fffff }, { 0x80000001 }, 0 },
{ { 0xff7fffff }, { 0x00000001 }, 0 },
{ { 0xff7fffff }, { 0x007fffff }, 0 },
{ { 0xff7fffff }, { 0x00800000 }, 0 },
{ { 0xff7fffff }, { 0x7f7fffff }, 0 },
{ { 0x80800000 }, { 0x807fffff }, 0 },
{ { 0x80800000 }, { 0x80000001 }, 0 },
{ { 0x80800000 }, { 0x00000001 }, 0 },
{ { 0x80800000 }, { 0x007fffff }, 0 },
{ { 0x80800000 }, { 0x00800000 }, 0 },
{ { 0x80800000 }, { 0x7f7fffff }, 0 },
{ { 0x807fffff }, { 0x807ffffe }, 0 },
{ { 0x807fffff }, { 0x80000001 }, 0 },
{ { 0x807fffff }, { 0x00000001 }, 0 },
{ { 0x807fffff }, { 0x007fffff }, 0 },
{ { 0x807fffff }, { 0x00800000 }, 0 },
{ { 0x807fffff }, { 0x7f7fffff }, 0 },
{ { 0x80000001 }, { 0x00000001 }, 0 },
{ { 0x80000001 }, { 0x007fffff }, 0 },
{ { 0x80000001 }, { 0x00800000 }, 0 },
{ { 0x80000001 }, { 0x7f7fffff }, 0 },
{ { 0x00000001 }, { 0x00000002 }, 0 },
{ { 0x00000001 }, { 0x007fffff }, 0 },
{ { 0x00000001 }, { 0x00800000 }, 0 },
{ { 0x00000001 }, { 0x7f7fffff }, 0 },
{ { 0x007fffff }, { 0x00800000 }, 0 },
{ { 0x007fffff }, { 0x7f7fffff }, 0 },
{ { 0x00800000 }, { 0x00800001 }, 0 },
{ { 0x00800000 }, { 0x7f7fffff }, 0 },
{ { 0x7f7ffffe }, { 0x7f7fffff }, 0 },
/* x > y */
{ { 0xff7ffffe }, { 0xff7fffff }, 0 },
{ { 0x80800000 }, { 0xff7fffff }, 0 },
{ { 0x807fffff }, { 0xff7fffff }, 0 },
{ { 0x80000001 }, { 0xff7fffff }, 0 },
{ { 0x00000001 }, { 0xff7fffff }, 0 },
{ { 0x007fffff }, { 0xff7fffff }, 0 },
{ { 0x00800000 }, { 0xff7fffff }, 0 },
{ { 0x7f7fffff }, { 0xff7fffff }, 0 },
{ { 0x807fffff }, { 0x80800000 }, 0 },
{ { 0x80000001 }, { 0x80800000 }, 0 },
{ { 0x00000001 }, { 0x80800000 }, 0 },
{ { 0x007fffff }, { 0x80800000 }, 0 },
{ { 0x00800000 }, { 0x80800000 }, 0 },
{ { 0x7f7fffff }, { 0x80800000 }, 0 },
{ { 0x807ffffe }, { 0x807fffff }, 0 },
{ { 0x80000001 }, { 0x807fffff }, 0 },
{ { 0x00000001 }, { 0x807fffff }, 0 },
{ { 0x007fffff }, { 0x807fffff }, 0 },
{ { 0x00800000 }, { 0x807fffff }, 0 },
{ { 0x7f7fffff }, { 0x807fffff }, 0 },
{ { 0x00000001 }, { 0x80000001 }, 0 },
{ { 0x007fffff }, { 0x80000001 }, 0 },
{ { 0x00800000 }, { 0x80000001 }, 0 },
{ { 0x7f7fffff }, { 0x80000001 }, 0 },
{ { 0x00000002 }, { 0x00000001 }, 0 },
{ { 0x007fffff }, { 0x00000001 }, 0 },
{ { 0x00800000 }, { 0x00000001 }, 0 },
{ { 0x7f7fffff }, { 0x00000001 }, 0 },
{ { 0x00800000 }, { 0x007fffff }, 0 },
{ { 0x7f7fffff }, { 0x007fffff }, 0 },
{ { 0x00800001 }, { 0x00800000 }, 0 },
{ { 0x7f7fffff }, { 0x00800000 }, 0 },
{ { 0x7f7fffff }, { 0x7f7ffffe }, 0 },
/* others */
{ { 0x000000ff }, { 0x00000100 }, 0 },
{ { 0x0000ffff }, { 0x00010000 }, 0 },
{ { 0x000000ff }, { 0x000000fe }, 0 },
{ { 0x0000ffff }, { 0x0000fffe }, 0 },
};
volatile union lofl_u x, y;
int main ()
{
int i;
unsigned char z;
for (i = 0; i < (int) (sizeof(t) / sizeof(t[0])); i++) {
x.lo = pgm_read_dword (& t[i].x);
y.lo = pgm_read_dword (& t[i].y);
z = UNORDSF2 (x.fl, y.fl) ? 1 : 0;
if (z != pgm_read_byte (& t[i].z))
EXIT (i + 1);
}
return 0;
}
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