cont_matrix_math.c File Reference

#include "cont_matrix_math.h"

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Functions
int	matrix_double_addition (matrix_double_t *Amat, matrix_double_t *Bmat, matrix_double_t *Cmat)
	Matrix addition, C <– A + B. More...
int	matrix_double_addition_inplace (matrix_double_t *Amat, matrix_double_t *Bmat)
	In-place matrix addition, A <– A + B. More...
int	matrix_double_subtraction (matrix_double_t *Amat, matrix_double_t *Bmat, matrix_double_t *Cmat)
	Matrix subtraction, C <– A - B. More...
int	matrix_double_subtraction_inplace (matrix_double_t *Amat, matrix_double_t *Bmat)
	In-place subtraction addition, A <– A - B. More...
int	matrix_double_multiplication (matrix_double_t *Amat, matrix_double_t *Bmat, matrix_double_t *Cmat)
	Matrix multiplication, C <– A * B. More...
int	matrix_double_transposition (matrix_double_t *Amat, matrix_double_t *ATmat)
	Matrix transposition, A^T <– transpose(A) More...
int	matrix_double_solve_posdef (matrix_double_t *Amat, matrix_double_t *Bmat)
	Solve the linear system AX=B, writing X into B, for PSD real A. More...
int	matrix_double_symmetric_real_eigenvalues (matrix_double_t *Amat, matrix_double_t *eigVals)
	Compute, without changing A, the eigenvalues of a real symmetric A to B. More...
void	mat_add (matrix_double_t *Amat, matrix_double_t *Bmat, matrix_double_t *Cmat)
	Matrix addition, C <– A + B, asserts that this is done correctly. More...
void	mat_add_inplace (matrix_double_t *Amat, matrix_double_t *Bmat)
	In-place matrix addition, A <– A + B, asserts that this is done correctly. More...
void	mat_sub (matrix_double_t *Amat, matrix_double_t *Bmat, matrix_double_t *Cmat)
	Matrix subtraction, C <– A - B, and asserts that this is done correctly. More...
void	mat_sub_inplace (matrix_double_t *Amat, matrix_double_t *Bmat)
	In-place subtraction addition, A <– A - B, asserts that this is done correctly. More...
void	mat_mul (matrix_double_t *Amat, matrix_double_t *Bmat, matrix_double_t *Cmat)
	and asserts that this is done correctly More...
void	mat_trans (matrix_double_t *Amat, matrix_double_t *ATmat)
	Matrix transposition, A^T <– transpose(A), asserts that this is done correctly. More...
void	mat_sol (matrix_double_t *Amat, matrix_double_t *Bmat)
	Compute, without changing A, the eigenvalues of a real symmetric A to B, asserts that this is done correctly. More...
void	mat_eigvals (matrix_double_t *Amat, matrix_double_t *Bmat)
	Computethe eigenvalues of a real symmetric A to B, asserts that this is done correctly. More...

Function Documentation

mat_add()

void mat_add	(	matrix_double_t *	Amat,
		matrix_double_t *	Bmat,
		matrix_double_t *	Cmat
	)

Matrix addition, C <– A + B, asserts that this is done correctly.

Definition at line 246 of file cont_matrix_math.c.

mat_add_inplace()

void mat_add_inplace	(	matrix_double_t *	Amat,
		matrix_double_t *	Bmat
	)

In-place matrix addition, A <– A + B, asserts that this is done correctly.

Definition at line 249 of file cont_matrix_math.c.

mat_eigvals()

void mat_eigvals	(	matrix_double_t *	Amat,
		matrix_double_t *	Bmat
	)

Computethe eigenvalues of a real symmetric A to B, asserts that this is done correctly.

Definition at line 267 of file cont_matrix_math.c.

mat_mul()

void mat_mul	(	matrix_double_t *	Amat,
		matrix_double_t *	Bmat,
		matrix_double_t *	Cmat
	)

and asserts that this is done correctly

Definition at line 258 of file cont_matrix_math.c.

mat_sol()

void mat_sol	(	matrix_double_t *	Amat,
		matrix_double_t *	Bmat
	)

Compute, without changing A, the eigenvalues of a real symmetric A to B, asserts that this is done correctly.

Definition at line 264 of file cont_matrix_math.c.

mat_sub()

void mat_sub	(	matrix_double_t *	Amat,
		matrix_double_t *	Bmat,
		matrix_double_t *	Cmat
	)

Matrix subtraction, C <– A - B, and asserts that this is done correctly.

Definition at line 252 of file cont_matrix_math.c.

mat_sub_inplace()

void mat_sub_inplace	(	matrix_double_t *	Amat,
		matrix_double_t *	Bmat
	)

In-place subtraction addition, A <– A - B, asserts that this is done correctly.

Definition at line 255 of file cont_matrix_math.c.

mat_trans()

void mat_trans	(	matrix_double_t *	Amat,
		matrix_double_t *	ATmat
	)

Matrix transposition, A^T <– transpose(A), asserts that this is done correctly.

Definition at line 261 of file cont_matrix_math.c.

matrix_double_addition()

int matrix_double_addition	(	matrix_double_t *	Amat,
		matrix_double_t *	Bmat,
		matrix_double_t *	Cmat
	)

Matrix addition, C <– A + B.

Parameters

[in]	Amat	- Input matrix
[in]	Bmat	- Input matrix
[out]	Cmat	- Output matrix sum

Returns

status - 1 if successful, 0 otherwise

Definition at line 27 of file cont_matrix_math.c.

matrix_double_addition_inplace()

int matrix_double_addition_inplace	(	matrix_double_t *	Amat,
		matrix_double_t *	Bmat
	)

In-place matrix addition, A <– A + B.

Parameters

[out]	Amat	- Overwrites the data in Amat with the sum
[in]	Bmat	- Input matrix

Returns

status - 1 if successful, 0 otherwise

Definition at line 43 of file cont_matrix_math.c.

matrix_double_multiplication()

int matrix_double_multiplication	(	matrix_double_t *	Amat,
		matrix_double_t *	Bmat,
		matrix_double_t *	Cmat
	)

Matrix multiplication, C <– A * B.

Parameters

[in]	Amat	- Input matrix
[in]	Bmat	- Input matrix
[out]	Cmat	- Output product matrix

Returns

status - 1 if successful, 0 otherwise

Definition at line 85 of file cont_matrix_math.c.

matrix_double_solve_posdef()

int matrix_double_solve_posdef	(	matrix_double_t *	Amat,
		matrix_double_t *	Bmat
	)

Solve the linear system AX=B, writing X into B, for PSD real A.

Note: This destroys and overwrites whatever is in A.

Parameters

[in]	Amat	- Input matrix
[out]	Bmat	- Output solution to the linear system

Returns

status - 1 if successful, 0 otherwise

Definition at line 143 of file cont_matrix_math.c.

matrix_double_subtraction()

int matrix_double_subtraction	(	matrix_double_t *	Amat,
		matrix_double_t *	Bmat,
		matrix_double_t *	Cmat
	)

Matrix subtraction, C <– A - B.

Parameters

[in]	Amat	- Input matrix
[in]	Bmat	- Input matrix
[out]	Cmat	- Output matrix difference

Returns

status - 1 if successful, 0 otherwise

Definition at line 56 of file cont_matrix_math.c.

matrix_double_subtraction_inplace()

int matrix_double_subtraction_inplace	(	matrix_double_t *	Amat,
		matrix_double_t *	Bmat
	)

In-place subtraction addition, A <– A - B.

Parameters

[out]	Amat	- Overwrites the data in Amat with the difference
[in]	Bmat	- Input matrix

Returns

status - 1 if successful, 0 otherwise

Definition at line 72 of file cont_matrix_math.c.

matrix_double_symmetric_real_eigenvalues()

int matrix_double_symmetric_real_eigenvalues	(	matrix_double_t *	Amat,
		matrix_double_t *	Bmat
	)

Compute, without changing A, the eigenvalues of a real symmetric A to B.

Note: This does not overwrite whatever is in A

Parameters

[in]	Amat	- Input matrix
[out]	Bmat	- Output real-valued eigenvalues of A

Returns

status - 1 if successful, 0 otherwise

Definition at line 176 of file cont_matrix_math.c.

matrix_double_transposition()

int matrix_double_transposition	(	matrix_double_t *	Amat,
		matrix_double_t *	ATmat
	)

Matrix transposition, A^T <– transpose(A)

Parameters

[in]	Amat	- Input matrix
[out]	ATmat	- Output matrix transpose

Returns

status - 1 if successful, 0 otherwise

Definition at line 128 of file cont_matrix_math.c.