[math] Generic dense matrix implementation using BLAS calls for matrix-matrix multiplication if available

src/logistic.c

@@ -23,7 +23,7 @@ inline void softmax_vector(double *x, size_t n) {
 }
 
 
-void softmax_matrix(matrix_t *matrix) {
+void softmax_matrix(double_matrix_t *matrix) {
     size_t num_rows = matrix->m;
     size_t num_cols = matrix->n;