N_pde.h File Reference
#include <grass/gis.h>#include <grass/raster3d.h>#include <grass/glocale.h>#include <grass/gmath.h>
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Data Structures | |
| struct | N_les |
| The linear equation system (les) structure. More... | |
| struct | N_geom_data |
| Geometric information about the structured grid. More... | |
| struct | N_array_2d |
| struct | N_array_3d |
| struct | N_data_star |
| Matrix entries for a mass balance 5/7/9 star system. More... | |
| struct | N_les_callback_3d |
| callback structure for 3d matrix assembling More... | |
| struct | N_les_callback_2d |
| callback structure for 2d matrix assembling More... | |
| struct | N_gradient_2d |
| Gradient between the cells in X and Y direction. More... | |
| struct | N_gradient_3d |
| Gradient between the cells in X, Y and Z direction. More... | |
| struct | N_gradient_neighbours_x |
| Gradient between the cell neighbours in X direction. More... | |
| struct | N_gradient_neighbours_y |
| Gradient between the cell neighbours in Y direction. More... | |
| struct | N_gradient_neighbours_z |
| Gradient between the cell neighbours in Z direction. More... | |
| struct | N_gradient_neighbours_2d |
| Gradient between the cell neighbours in X and Y direction. More... | |
| struct | N_gradient_neighbours_3d |
| Gradient between the cell neighbours in X, Y and Z direction. More... | |
| struct | N_gradient_field_2d |
| struct | N_gradient_field_3d |
Macros | |
| #define | N_NORMAL_LES 0 |
| #define | N_SPARSE_LES 1 |
| #define | N_CELL_INACTIVE 0 |
| #define | N_CELL_ACTIVE 1 |
| #define | N_CELL_DIRICHLET 2 |
| #define | N_CELL_TRANSMISSION 3 |
| #define | N_MAX_CELL_STATE 20 |
| the maximum number of available cell states (eg: boundary condition, inactiven active) More... | |
| #define | N_5_POINT_STAR 0 |
| #define | N_7_POINT_STAR 1 |
| #define | N_9_POINT_STAR 2 |
| #define | N_27_POINT_STAR 3 |
| #define | N_MAXIMUM_NORM 0 |
| #define | N_EUKLID_NORM 1 |
| #define | N_ARRAY_SUM 0 /* summ two arrays */ |
| #define | N_ARRAY_DIF 1 /* calc the difference between two arrays */ |
| #define | N_ARRAY_MUL 2 /* multiply two arrays */ |
| #define | N_ARRAY_DIV 3 /* array division, if div with 0 the NULL value is set */ |
| #define | N_UPWIND_FULL 0 /*full upwinding stabilization */ |
| #define | N_UPWIND_EXP 1 /*exponential upwinding stabilization */ |
| #define | N_UPWIND_WEIGHT 2 /*weighted upwinding stabilization */ |
Enumerations | |
| enum | N_STD_OPT { N_OPT_SOLVER_SYMM, N_OPT_SOLVER_UNSYMM, N_OPT_MAX_ITERATIONS, N_OPT_ITERATION_ERROR, N_OPT_SOR_VALUE, N_OPT_CALC_TIME } |
| Standard options of the gpde library. More... | |
Functions | |
| N_les * | N_alloc_les_param (int cols, int rows, int type, int param) |
| Allocate memory for a quadratic or not quadratic linear equation system. More... | |
| N_les * | N_alloc_les (int rows, int type) |
| Allocate memory for a quadratic linear equation system which includes the Matrix A, vector x and vector b. More... | |
| N_les * | N_alloc_les_A (int rows, int type) |
| Allocate memory for a quadratic linear equation system which includes the Matrix A. More... | |
| N_les * | N_alloc_les_Ax (int rows, int type) |
| Allocate memory for a quadratic linear equation system which includes the Matrix A and vector x. More... | |
| N_les * | N_alloc_les_Ax_b (int rows, int type) |
| Allocate memory for a quadratic linear equation system which includes the Matrix A, vector x and vector b. More... | |
| N_les * | N_alloc_nquad_les (int cols, int rows, int type) |
| Allocate memory for a (not) quadratic linear equation system which includes the Matrix A, vector x and vector b. More... | |
| N_les * | N_alloc_nquad_les_A (int cols, int rows, int type) |
| Allocate memory for a (not) quadratic linear equation system which includes the Matrix A. More... | |
| N_les * | N_alloc_nquad_les_Ax (int cols, int rows, int type) |
| Allocate memory for a (not) quadratic linear equation system which includes the Matrix A and vector x. More... | |
| N_les * | N_alloc_nquad_les_Ax_b (int cols, int rows, int type) |
| Allocate memory for a (not) quadratic linear equation system which includes the Matrix A, vector x and vector b. More... | |
| void | N_print_les (N_les *les) |
| prints the linear equation system to stdout More... | |
| void | N_free_les (N_les *les) |
| Release the memory of the linear equation system. More... | |
| N_geom_data * | N_alloc_geom_data (void) |
| Allocate the pde geometry data structure and return a pointer to the new allocated structure. More... | |
| void | N_free_geom_data (N_geom_data *geodata) |
| Release memory of a pde geometry data structure. More... | |
| N_geom_data * | N_init_geom_data_3d (RASTER3D_Region *region3d, N_geom_data *geodata) |
| Initiate a pde geometry data structure with a 3d region. More... | |
| N_geom_data * | N_init_geom_data_2d (struct Cell_head *region, N_geom_data *geodata) |
| Initiate a pde geometry data structure with a 2d region. More... | |
| double | N_get_geom_data_area_of_cell (N_geom_data *geom, int row) |
| Get the areay size in square meter of one cell (x*y) at row. More... | |
| N_array_2d * | N_alloc_array_2d (int cols, int rows, int offset, int type) |
| Allocate memory for a N_array_2d data structure. More... | |
| void | N_free_array_2d (N_array_2d *data_array) |
| Release the memory of a N_array_2d structure. More... | |
| int | N_get_array_2d_type (N_array_2d *array2d) |
| Return the data type of the N_array_2d struct. More... | |
| void | N_get_array_2d_value (N_array_2d *array2d, int col, int row, void *value) |
| Write the value of the N_array_2d struct at position col, row to value. More... | |
| CELL | N_get_array_2d_c_value (N_array_2d *array2d, int col, int row) |
| Returns the value of type CELL at position col, row. More... | |
| FCELL | N_get_array_2d_f_value (N_array_2d *array2d, int col, int row) |
| Returns the value of type FCELL at position col, row. More... | |