Utilities

CPML_GNUC_CONST

#define             CPML_GNUC_CONST

To be appended at the end of a function to notice the compiler (gcc) that the return value is constant.

The coded is an adaptation of the G_GNUC_CONST macro defined by glib-2.18.3 in glib/gmacros.h.

cpml_angle ()

double              cpml_angle                          (double angle);

Normalizes angle, that is returns the equivalent radians value between the range M_PI (inclusive) and -M_PI (exclusive).