helpers.hpp File Reference

#include <cmath>

Go to the source code of this file.

Macros
#define	radToDeg(x)   (180.0*x/M_PI)
#define	degToRad(x)   (M_PI*x/180.0)

Functions
template<typename T >
int	sgn (T val)
template<typename T >
T	length3d (T const a[3])
template<typename T >
void	normalize3d (T normalized[3], T const toNormalize[3])
template<typename T >
T	innerProduct (T const one[3], T const two[3])

Macro Definition Documentation

#define degToRad

(

x

)

(M_PI*x/180.0)

Definition at line 59 of file helpers.hpp.

#define radToDeg

(

x

)

(180.0*x/M_PI)

Definition at line 58 of file helpers.hpp.

Function Documentation

template<typename T >

T innerProduct	(	T const	one[3],
		T const	two[3]
	)

Calculate the inner product of two vectors

Parameters

one	the first vector
two	the second vector

Returns

the inner product of one and two

Definition at line 48 of file helpers.hpp.

template<typename T >

T length3d

(

T const

a[3]

)

Calculate the length of a 3D vector

Parameters

a	the 3d vector

Returns

the length

Definition at line 19 of file helpers.hpp.

template<typename T >

void normalize3d	(	T	normalized[3],
		T const	toNormalize[3]
	)

Normalize a 3d vector

Parameters

normalized	the normalized vector is stored here
toNormalize	the vector to normalize

Definition at line 34 of file helpers.hpp.

template<typename T >

int sgn

(

T

val

)

Returns

-1 if val is negative 0 if val is 0 1 if positive

Definition at line 9 of file helpers.hpp.