Math Constants

The following math constants are supported in the XSI::MATH namespace:

• PI
• PI2
• Invert2PI
• MilliEPS
• MicroEPS
• NanoEPS
• PicoEPS

PI

 static const double PI(3.14159265358979323846);

Represents the PI constant as a double.

PI2

 static const float PI2((float)PI*2.0f);

Represents the PI constant multiplied by 2 as a float.

Invert2PI

 static const float Invert2PI(0.5f/(float)PI);

Represents the PI constant inverted as a float.

MilliEPS

 static const float MilliEPS(1.0e-03f);

Represents 0.001 as a float.

MicroEPS

 static const float MicroEPS(1.0e-06f);

Represents 0.000 001 as a float.

NanoEPS

 static const float NanoEPS(1.0e-09f);

Represents 0.000 000 001 as a float.

PicoEPS

 static const float PicoEPS(1.0e-012f);

Represents 0.000 000 000 001 as a float.