/usr/lib/grass74/include/grass/defs/la.h is in grass-dev 7.4.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | #ifndef GRASS_LADEFSDEFS_H
#define GRASS_LADEFSDEFS_H
/* Matrix routines corresponding to BLAS Level III */
mat_struct *G_matrix_init(int, int, int);
int G_matrix_zero(mat_struct *);
int G_matrix_set(mat_struct *, int, int, int);
mat_struct *G_matrix_copy(const mat_struct *);
mat_struct *G_matrix_add(mat_struct *, mat_struct *);
mat_struct *G_matrix_subtract(mat_struct *, mat_struct *);
mat_struct *G_matrix_scale(mat_struct *, const double);
mat_struct *G__matrix_add(mat_struct *, mat_struct *, const double,
const double);
mat_struct *G_matrix_product(mat_struct *, mat_struct *);
mat_struct *G_matrix_transpose(mat_struct *);
int G_matrix_LU_solve(const mat_struct *, mat_struct **, const mat_struct *,
mat_type);
mat_struct *G_matrix_inverse(mat_struct *);
void G_matrix_free(mat_struct *);
void G_matrix_print(mat_struct *);
int G_matrix_set_element(mat_struct *, int, int, double);
double G_matrix_get_element(mat_struct *, int, int);
/* Matrix-vector routines corresponding to BLAS Level II */
vec_struct *G_matvect_get_column(mat_struct *, int);
vec_struct *G_matvect_get_row(mat_struct *, int);
vec_struct *G_matvect_product(mat_struct *, vec_struct *, vec_struct *);
int G_matvect_extract_vector(mat_struct *, vtype, int);
int G_matvect_retrieve_matrix(vec_struct *);
/* Vector routines corresponding to BLAS Level I */
vec_struct *G_vector_init(int, int, vtype);
int G_vector_set(vec_struct *, int, int, vtype, int);
double G_vector_norm_euclid(vec_struct *);
double G_vector_norm_maxval(vec_struct *, int);
vec_struct *G_vector_copy(const vec_struct *, int);
vec_struct *G_vector_product (vec_struct *, vec_struct *, vec_struct *);
/* Matrix and vector routines corresponding to ?? */
void G_vector_free(vec_struct *);
vec_struct *G_vector_sub(vec_struct *, vec_struct *, vec_struct *);
double G_vector_norm1(vec_struct *);
int G_matrix_read(FILE *, mat_struct *);
int G_matrix_stdin(mat_struct *);
int G_matrix_eigen_sort(vec_struct *, mat_struct *);
mat_struct *G_matrix_scalar_mul(double, mat_struct *, mat_struct *);
mat_struct *G_matrix_resize(mat_struct *, int, int);
#endif /* GRASS_LADEFS_H */
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