Added element wise division.

tensor.c

@@ -346,6 +346,31 @@ bool tensor_mul_inplace(tensor t1, const tensor t2)
 	return true;
 }
 
+bool tensor_div_inplace(tensor t1, const tensor t2) 
+{
+    /* Divides the values of t2 by the values of t1 element wise. t1 and t2 
+     * need to have the same shape.
+     * 
+     * @param t1 The tensor to devide
+     * @param t2 The tensor to devide by
+     *
+     * @return true when successful, false otherwise
+     */
+	assert(!tensor_is_empty(t1));
+	assert(!tensor_is_empty(t2));
+    
+	uint32_t i;
+
+	if(t1->rank != t2->rank) return false;
+	for(i = 0; i < t1->rank; i++) {
+		if(t1->size[i] != t2->size[i]) return false;
+	}
+	for(i = 0; i < t1->num_elem; i++) {
+		t1->elements[i] = DTYPE_DIV(t1->elements[i], t2->elements[i]);
+	}
+	return true;
+}
+
 tensor tensor_add(const tensor t1, const tensor t2)
 {
     /* Adds two tensors returning the result as a tensor. t1 and t2 need to
@@ -425,6 +450,32 @@ tensor tensor_mul(const tensor t1, const tensor t2)
 	return t3;
 }
 
+tensor tensor_div(const tensor t1, const tensor t2)
+{
+    /* Divides two tensors element wise returning the result as a tensor. t1 
+     * and t2 need to have the same shape.
+     * 
+     * @param t1 The dividend
+     * @param t2 The divisor
+     *
+     * @return The result of the operation, NULL if an error occurs
+     */
+	assert(!tensor_is_empty(t1));
+	assert(!tensor_is_empty(t2));
+
+	tensor t3 = tensor_new();
+	if(t3 == NULL) return NULL;
+	if (!tensor_cpy(t3, t1)) {
+        tensor_destroy(t3);
+        return NULL;
+    }
+	if (!tensor_div_inplace(t3, t2)) {
+        tensor_destroy(t3);
+        return NULL;
+    }
+	return t3;
+}
+
 void tensor_print(const tensor t)
 {
     /* Prints a tensor to stdout.