Posted to tcl by kbk at Wed Mar 12 13:47:27 GMT 2014view pretty
inline signed int mulSI(signed int a, signed int b) { signed int result; if (si_a > 0) { /* si_a is positive */ if (si_b > 0) { /* si_a and si_b are positive */ if (si_a > (INT_MAX / si_b)) { /* Handle error */ } } else { /* si_a positive, si_b nonpositive */ if (si_b < (INT_MIN / si_a)) { /* Handle error */ } } /* si_a positive, si_b nonpositive */ } else { /* si_a is nonpositive */ if (si_b > 0) { /* si_a is nonpositive, si_b is positive */ if (si_a < (INT_MIN / si_b)) { /* Handle error */ } } else { /* si_a and si_b are nonpositive */ if ( (si_a != 0) && (si_b < (INT_MAX / si_a))) { /* Handle error */ } } /* End if si_a and si_b are nonpositive */ } /* End if si_a is nonpositive */ result = si_a * si_b; return result; }