81fea2b1d1
"libf2c" directory. From-SVN: r17568
46 lines
798 B
C
46 lines
798 B
C
/* @(#)fmtlib.c 1.2 */
|
|
#define MAXINTLENGTH 23
|
|
|
|
#include "f2c.h"
|
|
#ifndef Allow_TYQUAD
|
|
#undef longint
|
|
#define longint long
|
|
#undef ulongint
|
|
#define ulongint unsigned long
|
|
#endif
|
|
|
|
#ifdef KR_headers
|
|
char *f__icvt(value,ndigit,sign, base) longint value; int *ndigit,*sign;
|
|
register int base;
|
|
#else
|
|
char *f__icvt(longint value, int *ndigit, int *sign, int base)
|
|
#endif
|
|
{
|
|
static char buf[MAXINTLENGTH+1];
|
|
register int i;
|
|
ulongint uvalue;
|
|
|
|
if(value > 0) {
|
|
uvalue = value;
|
|
*sign = 0;
|
|
}
|
|
else if (value < 0) {
|
|
uvalue = -value;
|
|
*sign = 1;
|
|
}
|
|
else {
|
|
*sign = 0;
|
|
*ndigit = 1;
|
|
buf[MAXINTLENGTH-1] = '0';
|
|
return &buf[MAXINTLENGTH-1];
|
|
}
|
|
i = MAXINTLENGTH;
|
|
do {
|
|
buf[--i] = (uvalue%base) + '0';
|
|
uvalue /= base;
|
|
}
|
|
while(uvalue > 0);
|
|
*ndigit = MAXINTLENGTH - i;
|
|
return &buf[i];
|
|
}
|