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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>

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 */

}