tommy/libpostal
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[math] adding matrix_zero method

Browse Source
This commit is contained in:
Al
2015-10-25 21:38:59 -04:00
parent e3b80534ba
commit 309d41a652
2 changed files with 5 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
src/matrix.c
View File

@@ -32,6 +32,10 @@ inline void matrix_init_values(matrix_t *self, double *values) {
memcpy(self->values, values, num_values * sizeof(double)); memcpy(self->values, values, num_values * sizeof(double));
} }
inline void matrix_zero(matrix_t *self) {
memset(self->values, 0, self->m * self->n * sizeof(double));
}
inline void matrix_set(matrix_t *self, double value) { inline void matrix_set(matrix_t *self, double value) {
double_array_set(self->values, self->m * self->n, value); double_array_set(self->values, self->m * self->n, value);
} }

1
src/matrix.h
View File

@@ -22,6 +22,7 @@ matrix_t *matrix_copy(matrix_t *self);
void matrix_init_values(matrix_t *self, double *values); void matrix_init_values(matrix_t *self, double *values);
void matrix_set(matrix_t *self, double value); void matrix_set(matrix_t *self, double value);
void matrix_zero(matrix_t *self);
void matrix_set_row(matrix_t *self, size_t index, double *row); void matrix_set_row(matrix_t *self, size_t index, double *row);
void matrix_set_scalar(matrix_t *self, size_t row_index, size_t col_index, double value); void matrix_set_scalar(matrix_t *self, size_t row_index, size_t col_index, double value);