f_imul            697 rational.c     	VALUE a = f_imul(an, bd / ig);
f_imul            698 rational.c     	VALUE b = f_imul(bn, ad / ig);
f_imul            840 rational.c     	num = f_imul(an / g1, bn / g2);
f_imul            841 rational.c     	den = f_imul(ad / g2, bd / g1);
f_imul           1090 rational.c     		num1 = f_imul(FIX2LONG(adat->num), FIX2LONG(bdat->den));
f_imul           1091 rational.c     		num2 = f_imul(FIX2LONG(bdat->num), FIX2LONG(adat->den));