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Fix floating point printing of negative numbers in the range (0, -1.0)

This commit is contained in:
Dave Hylands 2014-02-25 15:11:17 -08:00
parent aca141269e
commit 49b5533000
1 changed files with 13 additions and 3 deletions
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10
stm/printf.c
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@ -219,9 +219,19 @@ int pfenv_printf(const pfenv_t *pfenv, const char *fmt, va_list args) {
mp_float_t d = va_arg(args, double); mp_float_t d = va_arg(args, double);
int left = (int)d; int left = (int)d;
int right = (int)((d - (mp_float_t)(int)d) * 1000000.0); int right = (int)((d - (mp_float_t)(int)d) * 1000000.0);
if (right < 0) {
if (left == 0) {
chrs += pfenv_print_strn(pfenv, "-0", 2, flags, width);
} else {
chrs += pfenv_print_int(pfenv, left, 1, 10, 'a', flags, width);
}
chrs += pfenv_print_strn(pfenv, &dot, 1, flags, width);
chrs += pfenv_print_int(pfenv, -right, 0, 10, 'a', PF_FLAG_ZERO_PAD, 6);
} else {
chrs += pfenv_print_int(pfenv, left, 1, 10, 'a', flags, width); chrs += pfenv_print_int(pfenv, left, 1, 10, 'a', flags, width);
chrs += pfenv_print_strn(pfenv, &dot, 1, flags, width); chrs += pfenv_print_strn(pfenv, &dot, 1, flags, width);
chrs += pfenv_print_int(pfenv, right, 0, 10, 'a', PF_FLAG_ZERO_PAD, 6); chrs += pfenv_print_int(pfenv, right, 0, 10, 'a', PF_FLAG_ZERO_PAD, 6);
}
break; break;
} }
default: default: