12 static void copy_int(int &a
, int &b
);
13 static void copy_double(double *a
, double b
);
14 static double divide_double(double a
, double b
);
15 static void clamp(int32_t &x
, int32_t y
, int32_t z
);
16 static void clamp(int64_t &x
, int64_t y
, int64_t z
);
17 static void clamp(float &x
, float y
, float z
);
18 static void clamp(double &x
, double y
, double z
);
19 static float pow(float x
, float y
);