| /* matrix/gsl_matrix_float.h |
| * |
| * Copyright (C) 1996, 1997, 1998, 1999, 2000 Gerard Jungman, Brian Gough |
| * |
| * This program 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 2 of the License, or (at |
| * your option) any later version. |
| * |
| * This program 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 program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef __GSL_MATRIX_FLOAT_H__ |
| #define __GSL_MATRIX_FLOAT_H__ |
| |
| #include <stdlib.h> |
| #include <gsl/gsl_types.h> |
| #include <gsl/gsl_errno.h> |
| #include <gsl/gsl_check_range.h> |
| #include <gsl/gsl_vector_float.h> |
| |
| #undef __BEGIN_DECLS |
| #undef __END_DECLS |
| #ifdef __cplusplus |
| # define __BEGIN_DECLS extern "C" { |
| # define __END_DECLS } |
| #else |
| # define __BEGIN_DECLS /* empty */ |
| # define __END_DECLS /* empty */ |
| #endif |
| |
| __BEGIN_DECLS |
| |
| typedef struct |
| { |
| size_t size1; |
| size_t size2; |
| size_t tda; |
| float * data; |
| gsl_block_float * block; |
| int owner; |
| } gsl_matrix_float; |
| |
| typedef struct |
| { |
| gsl_matrix_float matrix; |
| } _gsl_matrix_float_view; |
| |
| typedef _gsl_matrix_float_view gsl_matrix_float_view; |
| |
| typedef struct |
| { |
| gsl_matrix_float matrix; |
| } _gsl_matrix_float_const_view; |
| |
| typedef const _gsl_matrix_float_const_view gsl_matrix_float_const_view; |
| |
| /* Allocation */ |
| |
| gsl_matrix_float * |
| gsl_matrix_float_alloc (const size_t n1, const size_t n2); |
| |
| gsl_matrix_float * |
| gsl_matrix_float_calloc (const size_t n1, const size_t n2); |
| |
| gsl_matrix_float * |
| gsl_matrix_float_alloc_from_block (gsl_block_float * b, |
| const size_t offset, |
| const size_t n1, |
| const size_t n2, |
| const size_t d2); |
| |
| gsl_matrix_float * |
| gsl_matrix_float_alloc_from_matrix (gsl_matrix_float * m, |
| const size_t k1, |
| const size_t k2, |
| const size_t n1, |
| const size_t n2); |
| |
| gsl_vector_float * |
| gsl_vector_float_alloc_row_from_matrix (gsl_matrix_float * m, |
| const size_t i); |
| |
| gsl_vector_float * |
| gsl_vector_float_alloc_col_from_matrix (gsl_matrix_float * m, |
| const size_t j); |
| |
| void gsl_matrix_float_free (gsl_matrix_float * m); |
| |
| /* Views */ |
| |
| _gsl_matrix_float_view |
| gsl_matrix_float_submatrix (gsl_matrix_float * m, |
| const size_t i, const size_t j, |
| const size_t n1, const size_t n2); |
| |
| _gsl_vector_float_view |
| gsl_matrix_float_row (gsl_matrix_float * m, const size_t i); |
| |
| _gsl_vector_float_view |
| gsl_matrix_float_column (gsl_matrix_float * m, const size_t j); |
| |
| _gsl_vector_float_view |
| gsl_matrix_float_diagonal (gsl_matrix_float * m); |
| |
| _gsl_vector_float_view |
| gsl_matrix_float_subdiagonal (gsl_matrix_float * m, const size_t k); |
| |
| _gsl_vector_float_view |
| gsl_matrix_float_superdiagonal (gsl_matrix_float * m, const size_t k); |
| |
| _gsl_matrix_float_view |
| gsl_matrix_float_view_array (float * base, |
| const size_t n1, |
| const size_t n2); |
| |
| _gsl_matrix_float_view |
| gsl_matrix_float_view_array_with_tda (float * base, |
| const size_t n1, |
| const size_t n2, |
| const size_t tda); |
| |
| |
| _gsl_matrix_float_view |
| gsl_matrix_float_view_vector (gsl_vector_float * v, |
| const size_t n1, |
| const size_t n2); |
| |
| _gsl_matrix_float_view |
| gsl_matrix_float_view_vector_with_tda (gsl_vector_float * v, |
| const size_t n1, |
| const size_t n2, |
| const size_t tda); |
| |
| |
| _gsl_matrix_float_const_view |
| gsl_matrix_float_const_submatrix (const gsl_matrix_float * m, |
| const size_t i, const size_t j, |
| const size_t n1, const size_t n2); |
| |
| _gsl_vector_float_const_view |
| gsl_matrix_float_const_row (const gsl_matrix_float * m, |
| const size_t i); |
| |
| _gsl_vector_float_const_view |
| gsl_matrix_float_const_column (const gsl_matrix_float * m, |
| const size_t j); |
| |
| _gsl_vector_float_const_view |
| gsl_matrix_float_const_diagonal (const gsl_matrix_float * m); |
| |
| _gsl_vector_float_const_view |
| gsl_matrix_float_const_subdiagonal (const gsl_matrix_float * m, |
| const size_t k); |
| |
| _gsl_vector_float_const_view |
| gsl_matrix_float_const_superdiagonal (const gsl_matrix_float * m, |
| const size_t k); |
| |
| _gsl_matrix_float_const_view |
| gsl_matrix_float_const_view_array (const float * base, |
| const size_t n1, |
| const size_t n2); |
| |
| _gsl_matrix_float_const_view |
| gsl_matrix_float_const_view_array_with_tda (const float * base, |
| const size_t n1, |
| const size_t n2, |
| const size_t tda); |
| |
| _gsl_matrix_float_const_view |
| gsl_matrix_float_const_view_vector (const gsl_vector_float * v, |
| const size_t n1, |
| const size_t n2); |
| |
| _gsl_matrix_float_const_view |
| gsl_matrix_float_const_view_vector_with_tda (const gsl_vector_float * v, |
| const size_t n1, |
| const size_t n2, |
| const size_t tda); |
| |
| /* Operations */ |
| |
| float gsl_matrix_float_get(const gsl_matrix_float * m, const size_t i, const size_t j); |
| void gsl_matrix_float_set(gsl_matrix_float * m, const size_t i, const size_t j, const float x); |
| |
| float * gsl_matrix_float_ptr(gsl_matrix_float * m, const size_t i, const size_t j); |
| const float * gsl_matrix_float_const_ptr(const gsl_matrix_float * m, const size_t i, const size_t j); |
| |
| void gsl_matrix_float_set_zero (gsl_matrix_float * m); |
| void gsl_matrix_float_set_identity (gsl_matrix_float * m); |
| void gsl_matrix_float_set_all (gsl_matrix_float * m, float x); |
| |
| int gsl_matrix_float_fread (FILE * stream, gsl_matrix_float * m) ; |
| int gsl_matrix_float_fwrite (FILE * stream, const gsl_matrix_float * m) ; |
| int gsl_matrix_float_fscanf (FILE * stream, gsl_matrix_float * m); |
| int gsl_matrix_float_fprintf (FILE * stream, const gsl_matrix_float * m, const char * format); |
| |
| int gsl_matrix_float_memcpy(gsl_matrix_float * dest, const gsl_matrix_float * src); |
| int gsl_matrix_float_swap(gsl_matrix_float * m1, gsl_matrix_float * m2); |
| |
| int gsl_matrix_float_swap_rows(gsl_matrix_float * m, const size_t i, const size_t j); |
| int gsl_matrix_float_swap_columns(gsl_matrix_float * m, const size_t i, const size_t j); |
| int gsl_matrix_float_swap_rowcol(gsl_matrix_float * m, const size_t i, const size_t j); |
| int gsl_matrix_float_transpose (gsl_matrix_float * m); |
| int gsl_matrix_float_transpose_memcpy (gsl_matrix_float * dest, const gsl_matrix_float * src); |
| |
| float gsl_matrix_float_max (const gsl_matrix_float * m); |
| float gsl_matrix_float_min (const gsl_matrix_float * m); |
| void gsl_matrix_float_minmax (const gsl_matrix_float * m, float * min_out, float * max_out); |
| |
| void gsl_matrix_float_max_index (const gsl_matrix_float * m, size_t * imax, size_t *jmax); |
| void gsl_matrix_float_min_index (const gsl_matrix_float * m, size_t * imin, size_t *jmin); |
| void gsl_matrix_float_minmax_index (const gsl_matrix_float * m, size_t * imin, size_t * jmin, size_t * imax, size_t * jmax); |
| |
| int gsl_matrix_float_isnull (const gsl_matrix_float * m); |
| int gsl_matrix_float_ispos (const gsl_matrix_float * m); |
| int gsl_matrix_float_isneg (const gsl_matrix_float * m); |
| |
| int gsl_matrix_float_add (gsl_matrix_float * a, const gsl_matrix_float * b); |
| int gsl_matrix_float_sub (gsl_matrix_float * a, const gsl_matrix_float * b); |
| int gsl_matrix_float_mul_elements (gsl_matrix_float * a, const gsl_matrix_float * b); |
| int gsl_matrix_float_div_elements (gsl_matrix_float * a, const gsl_matrix_float * b); |
| int gsl_matrix_float_scale (gsl_matrix_float * a, const double x); |
| int gsl_matrix_float_add_constant (gsl_matrix_float * a, const double x); |
| int gsl_matrix_float_add_diagonal (gsl_matrix_float * a, const double x); |
| |
| /***********************************************************************/ |
| /* The functions below are obsolete */ |
| /***********************************************************************/ |
| int gsl_matrix_float_get_row(gsl_vector_float * v, const gsl_matrix_float * m, const size_t i); |
| int gsl_matrix_float_get_col(gsl_vector_float * v, const gsl_matrix_float * m, const size_t j); |
| int gsl_matrix_float_set_row(gsl_matrix_float * m, const size_t i, const gsl_vector_float * v); |
| int gsl_matrix_float_set_col(gsl_matrix_float * m, const size_t j, const gsl_vector_float * v); |
| |
| /* inline functions if you are using GCC */ |
| |
| #ifdef HAVE_INLINE |
| extern inline |
| float |
| gsl_matrix_float_get(const gsl_matrix_float * m, const size_t i, const size_t j) |
| { |
| #if GSL_RANGE_CHECK |
| if (i >= m->size1) |
| { |
| GSL_ERROR_VAL("first index out of range", GSL_EINVAL, 0) ; |
| } |
| else if (j >= m->size2) |
| { |
| GSL_ERROR_VAL("second index out of range", GSL_EINVAL, 0) ; |
| } |
| #endif |
| return m->data[i * m->tda + j] ; |
| } |
| |
| extern inline |
| void |
| gsl_matrix_float_set(gsl_matrix_float * m, const size_t i, const size_t j, const float x) |
| { |
| #if GSL_RANGE_CHECK |
| if (i >= m->size1) |
| { |
| GSL_ERROR_VOID("first index out of range", GSL_EINVAL) ; |
| } |
| else if (j >= m->size2) |
| { |
| GSL_ERROR_VOID("second index out of range", GSL_EINVAL) ; |
| } |
| #endif |
| m->data[i * m->tda + j] = x ; |
| } |
| |
| extern inline |
| float * |
| gsl_matrix_float_ptr(gsl_matrix_float * m, const size_t i, const size_t j) |
| { |
| #if GSL_RANGE_CHECK |
| if (i >= m->size1) |
| { |
| GSL_ERROR_NULL("first index out of range", GSL_EINVAL) ; |
| } |
| else if (j >= m->size2) |
| { |
| GSL_ERROR_NULL("second index out of range", GSL_EINVAL) ; |
| } |
| #endif |
| return (float *) (m->data + (i * m->tda + j)) ; |
| } |
| |
| extern inline |
| const float * |
| gsl_matrix_float_const_ptr(const gsl_matrix_float * m, const size_t i, const size_t j) |
| { |
| #if GSL_RANGE_CHECK |
| if (i >= m->size1) |
| { |
| GSL_ERROR_NULL("first index out of range", GSL_EINVAL) ; |
| } |
| else if (j >= m->size2) |
| { |
| GSL_ERROR_NULL("second index out of range", GSL_EINVAL) ; |
| } |
| #endif |
| return (const float *) (m->data + (i * m->tda + j)) ; |
| } |
| |
| #endif |
| |
| __END_DECLS |
| |
| #endif /* __GSL_MATRIX_FLOAT_H__ */ |