Added iterators over scalars of tensors

tensoriterator.h

@@ -0,0 +1,25 @@
+#ifndef _TENSORITERATOR_H_
+#define _TENSORITERATOR_H_
+
+#include "tensor.h"
+
+typedef struct _tensor_scalar_iterator {
+	dtype *current;
+	uint32_t length;
+} * tensoriter_scalar;
+
+tensoriter_scalar tensoriter_scalar_create(tensor t);
+void tensoriter_scalar_reset(tensoriter_scalar it);
+void tensoriter_scalar_destroy(tensoriter_scalar it);
+
+uint8_t tensoriter_scalar_next(tensoriter_scalar it);
+dtype *tensoriter_scalar_get(tensoriter_scalar it);
+
+void tensoriter_scalar_map(tensoriter_scalar it, dtype (*func)(dtype));
+void tensoriter_scalar_map_add(tensoriter_scalar it, dtype scalar);
+void tensoriter_scalar_map_sub(tensoriter_scalar it, dtype scalar);
+void tensoriter_scalar_map_mul(tensoriter_scalar it, dtype scalar);
+void tensoriter_scalar_map_div(tensoriter_scalar it, dtype scalar);
+
+#endif // _TENSORITERATOR_H_
+