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#include "Matrix.h"
struct SMatrix {
spointer * matrix; /* An array of pointers... */
SMatrixRowInformation * row_information;
size_t height;
size_t width;
size_t last_tuple;
};
SMatrix *
s_matrix_new (size_t width,
size_t height,
SMatrixRowInformation * row_information) {
SMatrix * self = s_malloc (sizeof (SMatrix));
self->matrix = s_calloc (height * width, sizeof (spointer *));
self->height = height;
self->width = width;
self->row_information = row_information;
self->last_tuple = 0;
return self;
}
void
s_matrix_free (SMatrix * self, sboolean free_data) {
if (free_data) {
for (int i = 0; i<= self->height * self->width; i++) {
s_free (self->matrix[i]);
}
}
s_free (self->matrix);
s_free (self);
}
SMatrix *
s_matrix_realloc (SMatrix * self, size_t width,
SMatrixRowInformation * new_row_information) {
SMatrix * new_self = s_matrix_new (width, self->height, new_row_information);
for (size_t i = 0; i <= self->height; i++) {
for (size_t j = 0; j <= self->width; j++) {
if (j >= new_self->width) {
s_matrix_set (new_self, i, j, s_matrix_get (self, i, j));
} else {
//Nothing
}
}
}
return new_self;
}
spointer
s_matrix_get (SMatrix * self, size_t x, size_t y) {
spointer ret = NULL;
if ((x < self->height) && (x < self->last_tuple)){
ret = self->matrix[(self->width * x) + y];
} else {
s_warn_print ("The tuple requested does not exist.\n");
}
return ret;
}
void
s_matrix_set (SMatrix * self, size_t x, size_t y, spointer data) {
if (x >= self->height) {
spointer new_matrix = s_realloc (self->matrix,
sizeof (spointer) *
round_up (x + self->width, self->width));
if (new_matrix) {
self->matrix = new_matrix;
} else {
s_err_print ("Could not reallocate memory. Out of memory?\n");
print_backtrace ();
return;
}
}
if (x > self->last_tuple) {
self->last_tuple = x;
}
self->matrix[(self->width * x) + y] = data;
}
spointer *
s_matrix_get_tuple (SMatrix * self, size_t x) {
spointer * tuple = NULL;
if ((x < self->height) && (x < self->last_tuple)){
tuple = s_calloc (self->width, sizeof (spointer));
for (int i = 0; i <= self->width; i++) {
tuple[i] = s_matrix_get (self, x, i);
}
} else {
s_warn_print ("The tuple requested does not exist.\n");
}
return tuple;
}
void
s_matrix_append (SMatrix * self, spointer * tuple) {
if (!tuple){
s_err_print ("Tuple is NULL, this is not allowed. Returning.\n");
print_backtrace ();
return;
}
/* Get pos of last last_tuple + 1 */
size_t new_x_pos = self->last_tuple + 1;
/* add data to the tuple.*/
for (size_t i = 0; i <= self->width; i++) {
s_matrix_set (self, new_x_pos, i, tuple[i]);
}
s_free (tuple);
self->last_tuple = new_x_pos;
}
void
s_matrix_for_each (SMatrix * self, ForEachFunc callback, spointer data) {
for (size_t i = 0; i <= self->height; i++) {
spointer * tuple = s_matrix_get_tuple (self, i);
callback (self, tuple, data);
s_free (tuple);
}
}
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