Retro68/gcc/newlib/libc/stdlib/__ten_mu.c

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/*
* [atw] multiply 64 bit accumulator by 10 and add digit.
* The KA/CA way to do this should be to use
* a 64-bit integer internally and use "adjust" to
* convert it to float at the end of processing.
*/
#include <_ansi.h>
#include "std.h"
int
_DEFUN (__ten_mul, (acc, digit),
double *acc _AND
int digit)
{
/*
* [atw] Crude, but effective (at least on a KB)...
*/
*acc *= 10;
*acc += digit;
return 0; /* no overflow */
}