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[math] Matrix arithmetic

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Al
2016-01-09 01:45:10 -05:00
parent 197b18f3cf
commit aa22db11b2
2 changed files with 55 additions and 0 deletions
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47
src/matrix.c
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@@ -140,21 +140,68 @@ inline void matrix_div(matrix_t *self, double value) {
double_array_div(self->values, value, self->m * self->n);
}
inline bool matrix_div_matrix(matrix_t *self, matrix_t *other) {
if (self->m != other->m || self->n != other->n) return false;
double_array_div_array(self->values, other->values, self->m * self->n);
return true;
}
inline bool matrix_div_matrix_times_scalar(matrix_t *self, matrix_t *other, double v) {
if (self->m != other->m || self->n != other->n) return false;
double_array_div_array_times_scalar(self->values, other->values, v, self->m * self->n);
return true;
}
inline void matrix_mul(matrix_t *self, double value) {
double_array_mul(self->values, value, self->m * self->n);
}
inline bool matrix_mul_matrix(matrix_t *self, matrix_t *other) {
if (self->m != other->m || self->n != other->n) return false;
double_array_mul_array(self->values, other->values, self->m * self->n);
return true;
}
inline bool matrix_mul_matrix_times_scalar(matrix_t *self, matrix_t *other, double v) {
if (self->m != other->m || self->n != other->n) return false;
double_array_mul_array_times_scalar(self->values, other->values, v, self->m * self->n);
return true;
}
inline void matrix_add(matrix_t *self, double value) {
double_array_add(self->values, self->m * self->n, value);
}
inline bool matrix_add_matrix(matrix_t *self, matrix_t *other) {
if (self->m != other->m || self->n != other->n) return false;
double_array_add_array(self->values, other->values, self->m * self->n);
return true;
}
inline bool matrix_add_matrix_times_scalar(matrix_t *self, matrix_t *other, double v) {
if (self->m != other->m || self->n != other->n) return false;
double_array_add_array_times_scalar(self->values, other->values, v, self->m * self->n);
return true;
}
inline void matrix_sub(matrix_t *self, double value) {
double_array_sub(self->values, value, self->m * self->n);
}
inline bool matrix_sub_matrix(matrix_t *self, matrix_t *other) {
if (self->m != other->m || self->n != other->n) return false;
double_array_sub_array(self->values, other->values, self->m * self->n);
return true;
}
inline bool matrix_sub_matrix_times_scalar(matrix_t *self, matrix_t *other, double v) {
if (self->m != other->m || self->n != other->n) return false;
double_array_sub_array_times_scalar(self->values, other->values, v, self->m * self->n);
return true;
}
inline void matrix_log(matrix_t *self) {
double_array_log(self->values, self->m * self->n);

8
src/matrix.h
View File

@@ -39,9 +39,17 @@ double matrix_get(matrix_t *self, size_t row_index, size_t col_index);
double *matrix_get_row(matrix_t *self, size_t row_index);
void matrix_add(matrix_t *self, double value);
bool matrix_add_matrix(matrix_t *self, matrix_t *other);
bool matrix_add_matrix_times_scalar(matrix_t *self, matrix_t *other, double v);
void matrix_sub(matrix_t *self, double value);
bool matrix_sub_matrix(matrix_t *self, matrix_t *other);
bool matrix_sub_matrix_times_scalar(matrix_t *self, matrix_t *other, double v);
void matrix_mul(matrix_t *self, double value);
bool matrix_mul_matrix(matrix_t *self, matrix_t *other);
bool matrix_mul_matrix_times_scalar(matrix_t *self, matrix_t *other, double v);
void matrix_div(matrix_t *self, double value);
bool matrix_div_matrix(matrix_t *self, matrix_t *other);
bool matrix_div_matrix_times_scalar(matrix_t *self, matrix_t *other, double v);
void matrix_log(matrix_t *self);
void matrix_exp(matrix_t *self);