01: // Math.mpp
02: /*
03:         Mathematics module
04: */
05: 
06: namespace Math {
07:         const double PI = 3.1415927;
08: 
09:         inline double sqr(double x) {
10:                 return x * x;
11:         }
12: 
13:         inline double addPercentage(double val, double x) {
14:                 return ( val * ( 1 + x ) );
15:         }
16: 
17:         inline double removePercentage(double val, double x) {
18:                 return ( val - ( val * x ) );
19:         }
20: }