Making loss_categorical_crossentropy

2026-07-30 22:23:06 +02:00
parent 70e80327ef
commit d7b74ab40f
11 changed files with 1749 additions and 13 deletions
@@ -702,6 +702,106 @@ panic::tensor::matrix<T> clip_higher_colwise(const panic::tensor::matrix<T>& A,



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+/**
+ * @brief Clips values in the vector or scalar.
+ *
+ * Computes:
+ * @code
+
+ * @endcode
+ *
+ * @tparam T Numeric element type.
+ * @param a Input vector.
+ * @param lower Scalar value compared to each element of @p a.
+ * @param higher Scalar value compared to each element of @p a.
+ * @param c Output vector. Resized to match @p a.
+ *
+ * @return true if @p c was resized and filled successfully.
+ * @return false if resizing @p c failed.
+ *
+ * @note This overload writes the result into an existing vector to avoid
+ *       unnecessary temporary allocations.
+ */
+template <typename T>
+bool clip(const panic::tensor::vector<T>& a, const T lower, const T higher, const panic::tensor::vector<T>& c);
+
+/**
+ * @brief Returns a cliped value in the vector.
+ *
+ * Computes:
+ * @code
+  * @endcode
+ *
+ * @tparam T Numeric element type.
+ * @param a Input vector.
+ * @param lower Scalar value compared to each element of @p a.
+ * @param higher Scalar value compared to each element of @p a.
+ *
+ * @return A new vector containing the result.
+ * @return An empty vector if the operation fails.
+ *
+ * @note This overload is convenient, but may allocate a new vector.
+ */
+template <typename T>
+panic::tensor::vector<T> clip(const panic::tensor::vector<T>& a, const T lower, const T higher);
+
+
+/**
+ * @brief Clips the elementwise in the matrix.
+ *
+ * Computes:
+ * @code
+ * @endcode
+ *
+ * @tparam T Numeric element type.
+ * @param A Input matrix.
+ * @param lower Scalar value compared to each element of @p a.
+ * @param higher Scalar value compared to each element of @p a.
+ * @param C Output Matrix. Resized to match @p A.
+ *
+ * @return true if @p C was resized and filled successfully.
+ * @return false if resizing @p C failed.
+ *
+ * @note This overload writes the result into an existing matrix to avoid
+ *       unnecessary temporary allocations.
+ */
+template <typename T>
+bool clip(const panic::tensor::matrix<T>& A, const T lower, const T higher, panic::tensor::matrix<T>& C);
+
+/**
+ * @brief Returns a new matrix containing the cliped min elementwise in the matrix.
+ *
+ * Computes:
+ * @code
+ * @endcode
+ *
+ * @tparam T Numeric element type.
+ * @param A Input matrix.
+ * @param lower Scalar value compared to each element of @p a.
+ * @param higher Scalar value compared to each element of @p a.
+ *
+ * @return A new matrix containing the result.
+ * @return An empty matrix if the operation fails.
+ *
+ * @note This overload is convenient, but may allocate a new matrix.
+ */
+template <typename T>
+panic::tensor::matrix<T> clip(const panic::tensor::matrix<T>& A, const T lower, const T higher);