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mat_gen.c File Reference

#include <stdarg.h>
#include <gandalf/linalg/mat_gen.h>
#include <gandalf/linalg/vec_gen.h>
#include <gandalf/linalg/mat_symmetric.h>
#include <gandalf/linalg/matvec_blas.h>
#include <gandalf/linalg/matvec_clapack.h>
#include <gandalf/linalg/clapack.h>
#include <gandalf/linalg/cblas.h>
#include <gandalf/common/allocate.h>
#include <gandalf/common/misc_error.h>
#include <gandalf/common/numerics.h>
#include <gandalf/common/array.h>
#include <gandalf/common/endian_io.h>

Functions

Gan_Bool gan_mat_realloc_gen (Gan_Matrix *A, unsigned long rows, unsigned long cols)
void gan_mat_free (Gan_Matrix *A)
 Free a matrix.

Gan_Matrixgan_mat_set_dims (Gan_Matrix *A, unsigned long rows, unsigned long cols)
 Set dimensions of generic matrix.

double gan_mat_sumsqr (Gan_Matrix *A)
 Returns squared Frobenius norm of generic rectangular matrix.

double gan_mat_Fnorm (Gan_Matrix *A)
 Returns Frobenius norm of generic rectangular matrix.

Gan_Matrixgan_mat_invert_q (Gan_Matrix *A, Gan_Matrix *B)
 Inverts general square matrix.

Gan_Matrixgan_mat_fill_va (Gan_Matrix *A, unsigned long rows, unsigned long cols,...)
 Fill matrix from variable argument list.

Gan_Matrixgan_mat_fill_vap (Gan_Matrix *A, unsigned long rows, unsigned long cols, va_list *aptr)
 Fill matrix from variable argument list.

Gan_Matrixgan_mat_fill_const_q (Gan_Matrix *A, unsigned long rows, unsigned long cols, double value)
 Fill all elements of a matrix with the same value.

Gan_Bool gan_mat_read_va (Gan_Matrix *A, unsigned long rows, unsigned long cols,...)
 Read elements of matrix from variable argument list.

Gan_Matrixgan_mat_copy_q (Gan_Matrix *A, Gan_Matrix *B)
 Copy matrix.

Gan_Matrixgan_mat_scale_q (Gan_Matrix *A, double a, Gan_Matrix *B)
 Multiply matrix by scalar.

Gan_Matrixgan_mat_divide_q (Gan_Matrix *A, double a, Gan_Matrix *B)
 Divide matrix by scalar.

Gan_Matrixgan_mat_tpose_q (Gan_Matrix *A, Gan_Matrix *B)
 Transpose matrix.

Gan_Matrixgan_mat_add_gen (Gan_Matrix *A, Gan_TposeFlag A_tr, Gan_Matrix *B, Gan_TposeFlag B_tr, Gan_Matrix *C)
 Add general size matrices.

Gan_SquMatrixgan_mat_add_sym_gen (Gan_Matrix *A, Gan_TposeFlag A_tr, Gan_Matrix *B, Gan_TposeFlag B_tr, struct Gan_SquMatrix *C)
 Add general size matrices producing a symmetric matrix.

Gan_Matrixgan_mat_sub_gen (Gan_Matrix *A, Gan_TposeFlag A_tr, Gan_Matrix *B, Gan_TposeFlag B_tr, Gan_Matrix *C)
 Subtract general size matrices.

Gan_Vectorgan_mat_multv_gen (Gan_Matrix *A, Gan_TposeFlag A_tr, Gan_Vector *x, Gan_Vector *y)
 Multiply matrix and a vector.

Gan_Matrixgan_mat_rmult_gen (Gan_Matrix *A, Gan_TposeFlag A_tr, Gan_Matrix *B, Gan_TposeFlag B_tr, Gan_Matrix *C)
Gan_SquMatrixgan_mat_rmult_sym_gen (Gan_Matrix *A, Gan_TposeFlag A_tr, Gan_Matrix *B, Gan_TposeFlag B_tr, struct Gan_SquMatrix *C)
Gan_Matrixgan_mat_insert_gen (Gan_Matrix *A, unsigned long rA, unsigned long cA, Gan_Matrix *B, Gan_TposeFlag B_tr, unsigned long rB, unsigned long cB, unsigned long rows, unsigned long cols)
 Insert part of generic matrix in another generic matrix.

Gan_Matrixgan_mat_insertv_gen (Gan_Matrix *A, unsigned long rA, unsigned long cA, Gan_Vector *x, Gan_TposeFlag x_tr, unsigned long rx, unsigned long size)
 Insert part of column vector in a generic matrix.

Gan_Matrixgan_mat_insertsym (Gan_Matrix *A, unsigned long rA, unsigned long cA, Gan_SquMatrix *B, unsigned long rB, unsigned long cB, unsigned long rows, unsigned long cols)
 Insert part of symmetric matrix in a generic matrix.

void gan_mat_free_va (Gan_Matrix *A,...)
 Free a NULL-terminated variable argument list of matrices.

Gan_Matrixgan_mat_form_gen (Gan_Matrix *A, unsigned long rows, unsigned long cols, double *data, size_t data_size)
Gan_Matrixgan_mat_extract_q (Gan_Matrix *A, unsigned long r0, unsigned long c0, unsigned long rows, unsigned long cols, Gan_Matrix *B)
 Extracts rectangular part of matrix.

Gan_Bool gan_mat_fprint (FILE *fp, Gan_Matrix *A, const char *prefix, unsigned indent, const char *fmt)
 Print matrix to file pointer.

Gan_Matrixgan_mat_fscanf_q (FILE *fp, Gan_Matrix *A, char *prefix, int prefix_len)
 Read matrix from file.

Gan_Bool gan_mat_fwrite (FILE *fp, Gan_Matrix *A, gan_ui32 magic_number)
 Print matrix to binary file pointer.

Gan_Matrixgan_mat_fread_q (FILE *fp, Gan_Matrix *A, gan_ui32 *magic_number)
 Read matrix from file in binary format.

void gan_mat_db (Gan_Matrix *A)

Detailed Description

Module: Generic rectangular matrices (double precision)

Part of: Gandalf Library

Revision: Last edited: Author:

Copyright: (c) 2000 Imagineer Software Limited


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