From 309d41a65238c90aa8796ddd83a5ff05fdc54c32 Mon Sep 17 00:00:00 2001
From: Al <albarrentine@gmail.com>
Date: Sun, 25 Oct 2015 21:38:59 -0400
Subject: [PATCH] [math] adding matrix_zero method

---
 src/matrix.c | 4 ++++
 src/matrix.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/src/matrix.c b/src/matrix.c
index 0c42c340..97247ddc 100644
--- a/src/matrix.c
+++ b/src/matrix.c
@@ -32,6 +32,10 @@ inline void matrix_init_values(matrix_t *self, double *values) {
     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) {
     double_array_set(self->values, self->m * self->n, value);
 }
diff --git a/src/matrix.h b/src/matrix.h
index e5384312..f54c6797 100644
--- a/src/matrix.h
+++ b/src/matrix.h
@@ -22,6 +22,7 @@ matrix_t *matrix_copy(matrix_t *self);
 
 void matrix_init_values(matrix_t *self, double *values);
 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_scalar(matrix_t *self, size_t row_index, size_t col_index, double value);