seminar02 fixed zero multiply issue

2 years ago · 5165d16ffa
parent 094a022df8
commit 5165d16ffa
1 changed files with 2 additions and 0 deletions
--- a/seminar02_encapsulation/1number/number.cpp
+++ b/seminar02_encapsulation/1number/number.cpp
@ -151,6 +151,8 @@ Number Number::operator*(const Number & right) const
 	size << ")" << " " << "arg2=" << right << "(capacity=" << right.
 	capacity << ",size=" << right.size << ")" << std::endl;
 #endif
+    if (*this == Number("0") || right == Number("0"))
+            return Number("0");
    int i, j;
    int temp;
    Number result;