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/* Test of sprintf(), float version, '%g(G)' specification.
$Id: sprintf_flt-g02.c,v 1.1 2007/02/18 13:46:17 dmix Exp $ */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "progmem.h"
PROGMEM static const struct sprf_s {
char fmt[8];
float val;
char pattern[21];
} t[] = {
/* Tailing zeroes removing. */
{ "%.7g", 0.000010000002, "1e-05" },
{ "%.8g", 0.000010000002, "1.0000002e-05" },
{ "%.8g", 0.00001000002, "1.000002e-05" },
{ "%.8g", 0.0000100002, "1.00002e-05" },
{ "%.8g", 0.000010002, "1.0002e-05" },
{ "%.8g", 0.00001002, "1.002e-05" },
{ "%.8g", 0.0000102, "1.02e-05" },
{ "%.8g", 0.000012, "1.2e-05" },
{ "%.7g", 0.00010000002, "0.0001" },
{ "%.8g", 0.00010000002, "0.00010000002" },
{ "%.8g", 0.0001000002, "0.0001000002" },
{ "%.8g", 0.000100002, "0.000100002" },
{ "%.8g", 0.00010002, "0.00010002" },
{ "%.8g", 0.0001002, "0.0001002" },
{ "%.8g", 0.000102, "0.000102" },
{ "%.8g", 0.00012, "0.00012" },
{ "%.7g", 0.10000002, "0.1" },
{ "%.8g", 0.10000002, "0.10000002" },
{ "%.8g", 0.1000002, "0.1000002" },
{ "%.8g", 0.100002, "0.100002" },
{ "%.8g", 0.10002, "0.10002" },
{ "%.8g", 0.1002, "0.1002" },
{ "%.8g", 0.102, "0.102" },
{ "%.8g", 0.12, "0.12" },
{ "%.7g", 1.0000002, "1" },
{ "%.8g", 1.0000002, "1.0000002" },
{ "%.8g", 1.000002, "1.000002" },
{ "%.8g", 1.00002, "1.00002" },
{ "%.8g", 1.0002, "1.0002" },
{ "%.8g", 1.002, "1.002" },
{ "%.8g", 1.02, "1.02" },
{ "%.8g", 1.2, "1.2" },
{ "%.7g", 10.000002, "10" },
{ "%.8g", 10.000002, "10.000002" },
{ "%.8g", 10.00002, "10.00002" },
{ "%.8g", 10.0002, "10.0002" },
{ "%.8g", 10.002, "10.002" },
{ "%.8g", 10.02, "10.02" },
{ "%.8g", 10.2, "10.2" },
{ "%.8g", 12., "12" },
{ "%.7g", 1000000.2, "1000000" },
{ "%.8g", 1000000.2, "1000000.2" },
{ "%.8g", 1000002.0, "1000002" },
{ "%.8g", 1000020.0, "1000020" },
{ "%.8g", 1200000.0, "1200000" },
{ "%.7g", 100000020.0, "1e+08" },
{ "%.8g", 100000020.0, "1.0000002e+08" },
{ "%.8g", 100000200.0, "1.000002e+08" },
{ "%.8g", 100002000.0, "1.00002e+08" },
{ "%.8g", 100020000.0, "1.0002e+08" },
{ "%.8g", 100200000.0, "1.002e+08" },
{ "%.8g", 102000000.0, "1.02e+08" },
{ "%.8g", 120000000.0, "1.2e+08" },
/* Tailing zeroes removing with sign presence. */
{ "%.7g", -0.000010000002,"-1e-05" },
{ "%.8g", -0.000010000002,"-1.0000002e-05"},
{ "%.8g", -0.00001000002, "-1.000002e-05" },
{ "%.8g", -0.0000100002, "-1.00002e-05" },
{ "%.8g", -0.000010002, "-1.0002e-05" },
{ "%.8g", -0.00001002, "-1.002e-05" },
{ "%.8g", -0.0000102, "-1.02e-05" },
{ "%.8g", -0.000012, "-1.2e-05" },
{ "%.7g", -0.10000002, "-0.1" },
{ "%.8g", -0.10000002, "-0.10000002" },
{ "%.8g", -0.1000002, "-0.1000002" },
{ "%.8g", -0.100002, "-0.100002" },
{ "%.8g", -0.10002, "-0.10002" },
{ "%.8g", -0.1002, "-0.1002" },
{ "%.8g", -0.102, "-0.102" },
{ "%.8g", -0.12, "-0.12" },
{ "%.7g", -1.0000002, "-1" },
{ "%.8g", -1.0000002, "-1.0000002" },
{ "%.8g", -1.000002, "-1.000002" },
{ "%.8g", -1.00002, "-1.00002" },
{ "%.8g", -1.0002, "-1.0002" },
{ "%.8g", -1.002, "-1.002" },
{ "%.8g", -1.02, "-1.02" },
{ "%.8g", -1.2, "-1.2" },
{ "%.7g", -10.000002, "-10" },
{ "%.8g", -10.000002, "-10.000002" },
{ "%.8g", -10.00002, "-10.00002" },
{ "%.8g", -10.0002, "-10.0002" },
{ "%.8g", -10.002, "-10.002" },
{ "%.8g", -10.02, "-10.02" },
{ "%.8g", -10.2, "-10.2" },
{ "%.8g", -12., "-12" },
{ "%.7g", -1000000.2, "-1000000" },
{ "%.8g", -1000000.2, "-1000000.2" },
{ "%.8g", -1000002.0, "-1000002" },
{ "%.8g", -1000020.0, "-1000020" },
{ "%.8g", -1200000.0, "-1200000" },
{ "%.7g", -100000020.0, "-1e+08" },
{ "%.8g", -100000020.0, "-1.0000002e+08"},
{ "%.8g", -100000200.0, "-1.000002e+08" },
{ "%.8g", -100002000.0, "-1.00002e+08" },
{ "%.8g", -100020000.0, "-1.0002e+08" },
{ "%.8g", -100200000.0, "-1.002e+08" },
{ "%.8g", -102000000.0, "-1.02e+08" },
{ "%.8g", -120000000.0, "-1.2e+08" },
/* Decimal point removing. */
{ "%.8g", 2.0000001e-5, "2.0000001e-05" },
{ "%.7g", 2.0000001e-5, "2e-05" },
{ "%.1g", 2.0000001e-5, "2e-05" },
{ "%.7g", 2.0, "2" },
{ "%.1g", 2.0, "2" },
{ "%.7g", 23.0, "23" },
{ "%.2g", 23.0, "23" },
{ "%.7g", 234.0, "234" },
{ "%.3g", 234.0, "234" },
{ "%.7g", 2345.0, "2345" },
{ "%.4g", 2345.0, "2345" },
{ "%.7g", 23456.0, "23456" },
{ "%.5g", 23456.0, "23456" },
{ "%.7g", 234567.0, "234567" },
{ "%.6g", 234567.0, "234567" },
{ "%.7g", 2345678.0, "2345678" },
{ "%.1g", 20.0, "2e+01" },
{ "%.2g", 200.0, "2e+02" },
{ "%.3g", 2000.0, "2e+03" },
{ "%.4g", 20000.0, "2e+04" },
{ "%.5g", 200000.0, "2e+05" },
{ "%.6g", 2000000.0, "2e+06" },
{ "%.7g", 20000000.0, "2e+07" },
{ "%.8g", 200000000.0, "2e+08" },
/* Decimale point removing with sign presence. */
{ "%.8g", -2.0000001e-5, "-2.0000001e-05"},
{ "%.7g", -2.0000001e-5, "-2e-05" },
{ "%.1g", -2.0000001e-5, "-2e-05" },
{ "%.7g", -2.0, "-2" },
{ "%.1g", -2.0, "-2" },
{ "%.7g", -234567.0, "-234567" },
{ "%.6g", -234567.0, "-234567" },
{ "%.1g", -20.0, "-2e+01" },
{ "%.8g", -200000000.0, "-2e+08" },
};
#ifndef __AVR__
# define strlen_P strlen
#endif
void run_sprf (const struct sprf_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);
#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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