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/* Test of sprintf(), float version, nonfinite numbers.
$Id: sprintf_flt-nan.c,v 1.1 2007/02/18 13:46:34 dmix Exp $ */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "progmem.h"
PROGMEM static const struct sprfu_s {
char fmt[8];
union {
long lo;
float fl;
} val;
char pattern[21];
} t[] = {
{ "%e", { 0x7f800000 }, "inf" },
{ "%e", { 0xff800000 }, "-inf" },
{ "%f", { 0x7f800000 }, "inf" },
{ "%G", { 0xff800000 }, "-INF" },
{ "%e", { 0x7f800001 }, "nan" },
{ "% e", { 0x7f800001 }, " nan" },
{ "%+e", { 0x7f800001 }, "+nan" },
{ "%E", { 0x7f800001 }, "NAN" },
{ "%5e", { 0x7f800001 }, " nan" },
{ "%+5e", { 0x7f800001 }, " +nan" },
{ "%05e", { 0x7f800001 }, " nan" },
{ "%-5e", { 0x7f800001 }, "nan " },
{ "%e", { 0xff800001 }, "nan" },
{ "% e", { 0xff800001 }, " nan" },
{ "%+e", { 0xff800001 }, "+nan" },
{ "%E", { 0xff800001 }, "NAN" },
{ "%5e", { 0xff800001 }, " nan" },
{ "%+5e", { 0xff800001 }, " +nan" },
{ "%05e", { 0xff800001 }, " nan" },
{ "%-5e", { 0xff800001 }, "nan " },
{ "%e", { 0x7fffffff }, "nan" },
{ "%e", { 0xffffffff }, "nan" },
{ "%e", { 0x7fc00000 }, "nan" },
{ "%e", { 0xffc00000 }, "nan" },
{ "%f", { 0x7f800001 }, "nan" },
{ "%5F", { 0x7f800001 }, " NAN" },
{ "%g", { 0x7f800001 }, "nan" },
{ "%5G", { 0x7f800001 }, " NAN" },
};
#ifndef __AVR__
# define strlen_P strlen
#endif
void run_sprf (const struct sprfu_s *pt, int testno)
{
static char s[300];
int n;
int code;
#ifdef __AVR__
n = sprintf_P (s, pt->fmt, pgm_read_dword (& pt->val));
#else
n = sprintf (s, pt->fmt, pt->val.fl);
#endif
if (n != (int)strlen_P (pt->pattern))
code = testno + 1000;
else if (strcmp_P (s, pt->pattern))
code = testno;
else
return;
#if !defined(__AVR__)
printf ("\ntestno %3d: expect: %3d, \"%s\","
"\n output: %3d, \"%s\"\n",
testno, strlen(pt->pattern), pt->pattern, n, s);
exit (code < 256 ? testno : 255);
#elif defined(DEBUG)
exit ((int)s);
#endif
exit (code);
}
int main ()
{
int i;
for (i = 0; (unsigned)i != sizeof(t)/sizeof(t[0]); i++)
run_sprf (t+i, i+1);
return 0;
}
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