Eric M. Monsler wrote:
>
> Inspecting errno when?
>
tmp_float = (float)strtod("6.0e-44",NULL);
/* inspect errno and tmp_float here - see strtod(3) */
if(errno == ERANGE) {
g_print("bad argument to strtod()\n");
exit(1);
} else if(tmp_float == FLT_MIN || tmp_float == FLT_MAX) {
g_print("float out of range\n");
exit(1);
}
g_string_sprintf(pGStr,"%6.2f\n",tmp_float);
Even better would be to skip the cast, make tmp_float
into tmp_double, and just check errno. This is because
FLT_MIN and FLT_MAX may not be portable beyond machines
with gcc on them.
Chris
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