Extract Part of a General Size Matrix
[General Size Matrices]

Functions
Gan_Matrix *	gan_mat_extract_q (const Gan_Matrix *A, unsigned long r0, unsigned long c0, unsigned long rows, unsigned long cols, Gan_Matrix *B)
	Extracts rectangular part of matrix.
Gan_Matrix *	gan_mat_extract_s (const Gan_Matrix *A, unsigned long r0, unsigned long c0, unsigned long rows, unsigned long cols)
	Macro: Extracts rectangular part of matrix.
Gan_Matrix_f *	gan_matf_extract_q (const Gan_Matrix_f *A, unsigned long r0, unsigned long c0, unsigned long rows, unsigned long cols, Gan_Matrix_f *B)
	Extracts rectangular part of matrix.
Gan_Matrix_f *	gan_matf_extract_s (const Gan_Matrix_f *A, unsigned long r0, unsigned long c0, unsigned long rows, unsigned long cols)
	Macro: Extracts rectangular part of matrix.

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Function Documentation

Gan_Matrix* gan_mat_extract_q (  const Gan_Matrix *  A, unsigned long  r0, unsigned long  c0, unsigned long  rows, unsigned long  cols, Gan_Matrix *  B )

Extracts rectangular part of matrix. Parameters: A  Input Matrix r0  row offset of start of region to be extracted c0  column offset of start of region to be extracted rows  Height of region to be extracted cols  Width of region to be extracted B  output matrix Returns: Pointer to the output matrix B, or NULL on failure. Extracts the given rectangular part of matrix A, copies it into matrix B, and returns B. If B is passed as NULL, the output matrix is allocated inside the function, and then returned. See also: gan_mat_extract_s(), gan_mat_insert().

Gan_Matrix* gan_mat_extract_s (  const Gan_Matrix *  A, unsigned long  r0, unsigned long  c0, unsigned long  rows, unsigned long  cols )

Macro: Extracts rectangular part of matrix. Parameters: A  Input Matrix r0  row offset of start of region to be extracted c0  column offset of start of region to be extracted rows  Height of region to be extracted cols  Width of region to be extracted Returns: Non-NULL Pointer to the output matrix, or NULL on failure. Extracts the given rectangular part of matrix A, copies it and returns it as a new matrix. Implemented as a macro call to gan_mat_extract_q(). See also: gan_mat_extract_q(), gan_mat_insert().

Gan_Matrix_f* gan_matf_extract_q (  const Gan_Matrix_f *  A, unsigned long  r0, unsigned long  c0, unsigned long  rows, unsigned long  cols, Gan_Matrix_f *  B )

Extracts rectangular part of matrix. Parameters: A  Input Matrix r0  row offset of start of region to be extracted c0  column offset of start of region to be extracted rows  Height of region to be extracted cols  Width of region to be extracted B  output matrix Returns: Pointer to the output matrix B, or NULL on failure. Extracts the given rectangular part of matrix A, copies it into matrix B, and returns B. If B is passed as NULL, the output matrix is allocated inside the function, and then returned. See also: gan_matf_extract_s(), gan_matf_insert().

Gan_Matrix_f* gan_matf_extract_s (  const Gan_Matrix_f *  A, unsigned long  r0, unsigned long  c0, unsigned long  rows, unsigned long  cols )

Macro: Extracts rectangular part of matrix. Parameters: A  Input Matrix r0  row offset of start of region to be extracted c0  column offset of start of region to be extracted rows  Height of region to be extracted cols  Width of region to be extracted Returns: Non-NULL Pointer to the output matrix, or NULL on failure. Extracts the given rectangular part of matrix A, copies it and returns it as a new matrix. Implemented as a macro call to gan_matf_extract_q(). See also: gan_matf_extract_q(), gan_matf_insert().

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