basic_math.cpp File Reference

Mathematical operations used in various step. More...

#include <cmath>
#include <omp.h>

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Functions
int	modulo (int i, int n)
	Work as Modulo function of fortran. More...
GLfloat	solve3 (GLfloat a[3][3], GLfloat b[3])
	Solve linear system. More...
void	eigsort (int n, GLfloat *key, int *swap)
	Simple sort. More...
void	normal_vec (GLfloat in1[3], GLfloat in2[3], GLfloat in3[3], GLfloat out[3])
	Calculate normal vector from corners of triangle. More...
int	get_thread ()
	OpenMP wrapper, get the number of threads. More...

Detailed Description

Mathematical operations used in various step.

Definition in file basic_math.cpp.

Function Documentation

eigsort()

void eigsort	(	int	n,
		GLfloat *	key,
		int *	swap
	)

Simple sort.

Parameters

[in]	n	[in] the number of components
[in]	key	[in] Variables to be sorted [n].
[out]	swap	[out] Order of index (sorted)

Definition at line 88 of file basic_math.cpp.

Referenced by bragg_vector(), calc_nodeline(), calc_section(), and equator().

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get_thread()

int get_thread

(

)

OpenMP wrapper, get the number of threads.

Returns

the number of threads

Definition at line 139 of file basic_math.cpp.

Referenced by calc_nodeline(), calc_section(), equator(), and max_and_min().

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modulo()

int modulo	(	int	i,
		int	n
	)

Work as Modulo function of fortran.

Returns

Modulated value

Parameters

[in]	i	[in]
[in]	n	[in]

Definition at line 46 of file basic_math.cpp.

Referenced by interpol_energy(), and read_file().

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normal_vec()

void normal_vec	(	GLfloat	in1[3],
		GLfloat	in2[3],
		GLfloat	in3[3],
		GLfloat	out[3]
	)

Calculate normal vector from corners of triangle.

Parameters

[in]	in1	[in] Corner 1
[in]	in2	[in] Corner 2
[in]	in3	[in] Corner 3
[out]	out	[out] The normal vector

Definition at line 114 of file basic_math.cpp.

solve3()

GLfloat solve3	(	GLfloat	a[3][3],
		GLfloat	b[3]
	)

Solve linear system.

Returns

Determinant

Parameters

[in]	a	[in] Matix
[in,out]	b	[in,out] Right hand side vector

Definition at line 58 of file basic_math.cpp.

Referenced by allocate_griddata(), bragg_vert(), and bragg_vert2d().

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