Softwareentwicklung in C++ - ASC

12.1 Grundprinzipien des Operator Overloadings 349
1 // math vector v1 test2 . cpp − another t e s t program f o r math v e c t o r s
2
3 #include
4
5 #include ” math vector v1 . h”
6
7 using std : : cout ;
8 using std : : c e r r ;
9 using std : : endl ;
10
11 int main ( int argc , char ∗ argv [ ] )
12 {
13 try
14 {
15 MathVector vector1 ( 3 ) ;
16 MathVector vector2 ( 3 ) ;
17 MathVector vector3 ( 3 ) ;
18
19 uint32 index = 3;
20 while ( index−−)
21 vector2 [ index ] = vector3 [ index ] = index ;
22
23 // here the copy constructor i s c a l l e d !
24 MathVector vector4 = vector3 ;
25
26 vector1 = ( vector2 ∗ 2 ) + ( vector3 ∗ 2 ) ;
27 vector4 −= vector3 ;
28 }
29 catch ( invalid argument &exc )
30 {
31 c e r r