Rafa, 10 Jul you wrote to Kurt J. Tischer:
 RV> template
 RV> int sign(tipo x)
 RV>     {
 RV>     if (x>0) return(1);
 RV>     if (x<0) return(-1);
 RV>     if (x=0) return(0);
You don't need to test here, but if you want to test, use ==, not =. ;-)
 RV>     }
Bye,
 Erik 
---
---------------