LOG2_FLT_RADIX    395 src/floatfns.c       emacs_mpz_mul_2exp (*t, *pn, (dscale - nscale) * LOG2_FLT_RADIX);
LOG2_FLT_RADIX    630 src/timefns.c        mpz_mul_2exp (mpz[1], *d, - (scale * LOG2_FLT_RADIX));
LOG2_FLT_RADIX    638 src/timefns.c        mpz_mul_2exp (mpz[0], *n, scale * LOG2_FLT_RADIX);