#include <libconfig.h>
#include <gsl/gsl_vector.h>
#include <gsl/gsl_matrix.h>

Functions
int	bt_gsl_cross (gsl_vector a, gsl_vector b, gsl_vector *res)
char *	bt_gsl_vector_sprintf (char buffer, gsl_vector vector)
int	bt_gsl_config_get_double (config_setting_t setting, double result)
int	bt_gsl_config_double_from_group (config_setting_t grp, char name, double *result)
int	bt_gsl_fill_vector_cfggroup (gsl_vector vec, config_setting_t parent, const char *name)
int	bt_gsl_fill_vector_cfgarray (gsl_vector vec, config_setting_t array)
int	bt_gsl_fill_vector (gsl_vector *vec,...)
int	bt_gsl_fill_matrix (gsl_matrix mat, config_setting_t parent, const char *name)

Detailed Description

Definition of a set of GSL helper functions, including the cross-product vector formatting, and libconfig parsing functions.

Author:: Christopher Dellin

Date:: 2008-2009

Function Documentation

int bt_gsl_config_double_from_group	(	config_setting_t *	grp,
		char *	name,
		double *	result
	)

Retrieve a double from a named setting in a libconfig group.

Parameters:

[in]	grp	The group to use
[in]	name	The name of the setting to find
[out]	result	The location into which to save the value

Return values:

0	Success
-1	The named setting does not exist
-2	The setting's value is not convertable to double

int bt_gsl_config_get_double	(	config_setting_t *	setting,
		double *	result
	)

Retrieve a double from a libconfig setting.

Parameters:

[in]	setting	The setting to use
[out]	result	The location into which to save the value

Return values:

0	Success
-1	The setting does not exist
-2	The setting's value is not convertable to double

int bt_gsl_cross	(	gsl_vector *	a,
		gsl_vector *	b,
		gsl_vector *	res
	)

This file is part of libbarrett.

This version of libbarrett is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This version of libbarrett is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this version of libbarrett. If not, see <http://www.gnu.org/licenses/>.

Barrett Technology Inc. 73 Chapel Street Newton, MA 02458 Perform a vector cross-product, res += a x b.

Note:: This function will add the result to the vector specified by res. Therefore, make sure to set the output vector to zero if you want the result explicitly!

Parameters:

[in]	a	First vector
[in]	b	Second vector (to be crossed into a)
[out]	res	Result vector to add to

Return values:

0 Success

This file is part of libbarrett.

This version of libbarrett is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This version of libbarrett is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this version of libbarrett. If not, see <http://www.gnu.org/licenses/>.

Barrett Technology Inc. 73 Chapel Street Newton, MA 02458

int bt_gsl_fill_matrix	(	gsl_matrix *	mat,
		config_setting_t *	parent,
		const char *	name
	)

Fill a matrix from a libconfig list of arrays or lists.

Note:: The matrix must already be allocated.

Parameters:

[out]	mat	The matrix to fill
[in]	parent	The group to use
[in]	name	The name of the array or list in the parent

Return values:

0	Success
-1	The named setting does not exist, or is not a list of arrays or lists with the same dimensions as the matrix
-2	At least one of the read values is not convertable to double

int bt_gsl_fill_vector_cfggroup	(	gsl_vector *	vec,
		config_setting_t *	parent,
		const char *	name
	)

Fill a vector from a libconfig array or list.

Note:: The vector must already be allocated.

Parameters:

[out]	vec	The vector to fill
[in]	parent	The group to use
[in]	name	The name of the array or list in the parent

Return values:

0	Success
-1	The named setting does not exist, or is not an array or list with the same length as the vector
-2	At least one of the array or list's values is not convertable to double

char* bt_gsl_vector_sprintf	(	char *	buffer,
		gsl_vector *	vector
	)

Format the vector into the buffer.

The format used is "<aaa.aaaa,bbb.bbbb,ccc.cccc>", with vector values specified by the format string %8.4f.

Note:: This function assumes the buffer is sufficiently large to hold the string.

Parameters:

[out]	buffer	The character buffer to write the result to
[in]	vector	The vector to format

Returns:: The value of buffer

Functions

Detailed Description

Function Documentation