Small standalone test program for the experimental polar decomposition code. More...

#include "polar_decomposition.h"
#include <stdio.h>

Include dependency graph for prova.c:

Macros
#define	TEST_N 1

Functions
void	print_float (TYPE num)
	Print one scalar diagnostic produced by the orthogonality check.

void	check_orthonormal (TYPE Q[3][3])
	Print the pairwise row dot products of a 3x3 matrix.

void	stampa_3x3 (TYPE Q[3][3])
	Print a 3x3 matrix in row-major order.

void	copy (TYPE dest, TYPE source, size_t num_el)
	Copy a flat buffer used to initialize test matrices.

int	main ()

Detailed Description

Small standalone test program for the experimental polar decomposition code.

The program feeds a few hard-coded 3x3 matrices into polar_decomposition(), prints the resulting factors, and checks that the recovered orthogonal matrix has nearly orthogonal rows.

Definition in file prova.c.

Macro Definition Documentation

◆ TEST_N

#define TEST_N 1

Definition at line 44 of file prova.c.

Function Documentation

◆ check_orthonormal()

void check_orthonormal ( TYPE Q[3][3] )

Print the pairwise row dot products of a 3x3 matrix.

Print the row-wise orthogonality residuals of a 3x3 matrix.

Definition at line 106 of file prova.c.

References i, print_float(), and TYPE.

Referenced by main().

◆ copy()

void copy	(	TYPE *	dest,
		TYPE *	source,
		size_t	num_el
	)

Copy a flat buffer used to initialize test matrices.

Referenced by _column_blob(), _event_widget(), _masks_gui_menu_item_forward_event(), _set_help_string(), _studio_import_update_preview(), dt_cairo_sharpen_surface_rgb24(), dt_get_main_message_copy(), dt_ioppr_extract_multi_instances_list(), dt_ioppr_merge_multi_instance_iop_order_list(), gui_init(), and main().

◆ main()

int main ( void )

Todo:: : check and use here the maledict test mentioned in the cpp version

Definition at line 47 of file prova.c.

References A, check_orthonormal(), copy(), H, matrix_multiply(), polar_decomposition(), stampa_3x3(), TEST_N, and TYPE.

Referenced by _draw_ellipse(), _draw_location(), _draw_rectangle(), _show_drawlayer_wait_dialog(), _view_map_draw_location(), dt_masks_draw_source(), check_list_order::main(), search_accels_callback(), and wmain().

◆ print_float()

void print_float ( TYPE num )

Print one scalar diagnostic produced by the orthogonality check.

Print one scalar residual.

Definition at line 124 of file prova.c.

Referenced by check_orthonormal().

◆ stampa_3x3()

void stampa_3x3 ( TYPE Q[3][3] )

Print a 3x3 matrix in row-major order.

Definition at line 92 of file prova.c.