fractions: panic when reciprocal produces invalid fraction

2019-11-11 15:37:32 -05:00 · 2019-11-11 15:37:32 -05:00 · bd34524a1c
parent 79599b7564
commit bd34524a1c
1 changed files with 1 additions and 0 deletions
--- a/vlib/math/fractions/fraction.v
+++ b/vlib/math/fractions/fraction.v
@ -79,6 +79,7 @@ pub fn (f1 Fraction) divide(f2 Fraction) Fraction {

 // Fraction reciprocal method
 pub fn (f1 Fraction) reciprocal() Fraction {
+	if f1.n == 0 { panic('Denominator cannot be zero') }
 	return Fraction{f1.d, f1.n}
 }