1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
|
/* @(#)fmtlib.c 1.2 */
#define MAXINTLENGTH 23
#include "f2c.h"
#ifdef __cplusplus
extern "C" {
#endif
#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];
}
#ifdef __cplusplus
}
#endif
|