Initial Commit

common/MATH.CPP

@@ -0,0 +1,36 @@
+#include <common/math.hpp>
+
+const double Math::mscPI=3.14159265358979323846;
+const double Math::msc2PI=3.14159265358979323846*2.00;
+const double Math::mscLN10=2.30258509299405E+000;
+const double Math::mscOneOverLN10=0.43429448190325E+000;
+const double Math::mscPIOver180=1.74532925199433E-002;
+const double Math::mscPIUnder180=5.72957795130823E+001;
+
+float Math::power(float powerBase,int exponent)
+{
+	float basePower(1.00);
+
+	if(!exponent)return 1.00;
+	for(int count=0;count<exponent;count++)basePower*=powerBase;
+	return basePower;
+}
+
+int Math::sqrt(int someInt)
+{
+	int oddInt(1);
+	int oldArg(someInt);
+	int firstSqrt;
+
+	while(0<someInt){someInt-=oddInt;oddInt+=2;}
+	firstSqrt=oddInt>>1;
+	if(square(firstSqrt)-firstSqrt+1>oldArg)return firstSqrt+1;
+	return firstSqrt;
+}
+
+long Math::factorial(long nDegree)
+{
+	if(nDegree)return nDegree*factorial(nDegree-1);
+  else return 1L;
+}
+