bge_vector.c File Reference

Defines a data structure that represents a vector with values of type double, as well as defining some vector operations. More...

#include <stdio.h>
#include <stdlib.h>
#include "bge_vector.h"

Include dependency graph for bge_vector.c:

Functions
Bge_Vector *	BgeVectorCreate (int capacity)
	Creates a vector with a given capacity. More...
void	BgeVectorDelete (Bge_Vector **vec)
	Deallocates the memory associated with a vector. More...
double	BgeVectorDotProduct (Bge_Vector *vec_1, Bge_Vector *vec_2)
	Computes the dot product between two vectors. More...
void	BgeVectorScalarMultiplication (double scalar, Bge_Vector *vec)
	Performs The scalar multiplication operation for a vector. More...
void	BgeVectorSubtraction (Bge_Vector *vec_1, Bge_Vector *vec_2, Bge_Vector *output_vec)
	Performs the vector subtraction operation. More...

Detailed Description

Defines a data structure that represents a vector with values of type double, as well as defining some vector operations.

Function Documentation

BgeVectorCreate()

Bge_Vector* BgeVectorCreate

(

int

capacity

)

Creates a vector with a given capacity.

Parameters

capacity

The maximum capacity of the vector.

Returns

An empty vector.

References Bge_Vector::capacity, and Bge_Vector::items.

Referenced by SetPosteriorParametricMatrix(), and SetSampleVariance().

BgeVectorDelete()

void BgeVectorDelete

(

Bge_Vector **

vec

)

Deallocates the memory associated with a vector.

Parameters

vec	The vector to free.

Referenced by SetPosteriorParametricMatrix(), and SetSampleVariance().

BgeVectorDotProduct()

double BgeVectorDotProduct	(	Bge_Vector *	vec_1,
		Bge_Vector *	vec_2
	)

Computes the dot product between two vectors.

Parameters

vec_1	first input vector
vec_2	second input vector

Returns

output result of computing the dot product between vec_1 and vec_2

References Bge_Vector::capacity, and Bge_Vector::items.

BgeVectorScalarMultiplication()

void BgeVectorScalarMultiplication	(	double	scalar,
		Bge_Vector *	vec
	)

Performs The scalar multiplication operation for a vector.

Parameters

scalar	That the vector is multiplied by
vec	The input/output vector that is multiplied by the scalar

References Bge_Vector::capacity, and Bge_Vector::items.

BgeVectorSubtraction()

void BgeVectorSubtraction	(	Bge_Vector *	vec_1,
		Bge_Vector *	vec_2,
		Bge_Vector *	output_vec
	)

Performs the vector subtraction operation.

Parameters

vec_1	Input vector that has is being subtracted from
vec_2	Input vector that is subtracted
output_vec	The result of the subtraction

References Bge_Vector::capacity, and Bge_Vector::items.

Referenced by SetSampleVariance().