feat(deep_causality_tensor): Added From impl for value and reference to CausalTensor.

Signed-off-by: Marvin Hansen <[email protected]>

Author: marvin-hansen

deep_causality_tensor/src/types/causal_tensor/from/mod.rs

@@ -0,0 +1,21 @@
+/*
+ * SPDX-License-Identifier: MIT
+ * Copyright (c) "2025" . The DeepCausality Authors and Contributors. All Rights Reserved.
+ */
+
+use crate::CausalTensor;
+
+impl<T: Clone> From<T> for CausalTensor<T> {
+    /// Creates a scalar tensor (0-dimensional) from a single value.
+    fn from(item: T) -> Self {
+        CausalTensor::new(vec![item], vec![]).expect("Failed to create scalar CausalTensor from T")
+    }
+}
+
+impl<'a, T: Clone> From<&'a T> for CausalTensor<T> {
+    /// Creates a scalar tensor (0-dimensional) from a reference to a single value.
+    fn from(item: &'a T) -> Self {
+        CausalTensor::new(vec![item.clone()], vec![])
+            .expect("Failed to create scalar CausalTensor from &T")
+    }
+}

deep_causality_tensor/src/types/causal_tensor/mod.rs

@@ -7,6 +7,7 @@ use crate::CausalTensorError;
 
 mod api;
 mod display;
+mod from;
 mod getters;
 mod op_scalar_tensor;
 pub mod op_tensor_broadcast;