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fix #282. 

by following @keens' advice
This commit is contained in:
Yuichi Nishiwaki 2015-07-03 03:56:24 +09:00
parent 6e49d91e9f
commit e812e8fb3d
1 changed files with 8 additions and 4 deletions
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12
extlib/benz/file.c
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@ -331,7 +331,7 @@ int xvfprintf(pic_state *pic, xFILE *stream, const char *fmt, va_list ap) {
char *sval; char *sval;
int ival; int ival;
#if PIC_ENABLE_FLOAT #if PIC_ENABLE_FLOAT
double dval; double dval, dint;
#endif #endif
void *vp; void *vp;
int cnt = 0; int cnt = 0;
@ -350,11 +350,15 @@ int xvfprintf(pic_state *pic, xFILE *stream, const char *fmt, va_list ap) {
break; break;
#if PIC_ENABLE_FLOAT #if PIC_ENABLE_FLOAT
case 'f': case 'f':
dval = va_arg(ap, double); dval = modf(va_arg(ap, double), &dint);
cnt += print_int(pic, stream, dval, 10); if (dint < 0 || dval < 0) { /* either may be zero */
xputc(pic, '-', stream);
cnt++;
}
cnt += print_int(pic, stream, (long)fabs(dint), 10);
xputc(pic, '.', stream); xputc(pic, '.', stream);
cnt++; cnt++;
if ((ival = fabs((dval - floor(dval)) * 1e4) + 0.5) == 0) { if ((ival = fabs(fabs(dval) * 1e4) + 0.5) == 0) {
cnt += xfputs(pic, "0000", stream); cnt += xfputs(pic, "0000", stream);
} else { } else {
int i; int i;