/* * [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, int digit) { /* * [atw] Crude, but effective (at least on a KB)... */ *acc *= 10; *acc += digit; return 0; /* no overflow */ }