add some code

managed_components/espressif__esp-sr/include/esp32c5/dl_lib_matrixq8.h

@@ -0,0 +1,80 @@
+// Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+#ifndef DL_LIB_MATRIXQ8_H
+#define DL_LIB_MATRIXQ8_H
+
+#include <stdint.h>
+#include "dl_lib_matrix.h"
+#include "dl_lib.h"
+#include "dl_lib_matrixq.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef int8_t q8tp_t;
+
+typedef struct {
+    int w;
+    int h;
+    int stride; //Normally equals h, not w!
+    int flags;
+    int exponent; //The values in items should be multiplied by pow(2,exponent) to get the real values.
+    q8tp_t *itemq;
+} dl_matrix2dq8_t;
+
+#define DL_Q8TP_SHIFT 7
+#define DL_Q8TP_RANGE ((1<<DL_Q8TP_SHIFT)-1)
+#define DL_ITMQ8(m, x, y) m->itemq[(y)+(x)*m->stride]
+
+/**
+ * @brief Allocate a matrix
+ *
+ * @param w     Width of the matrix
+ * @param h     Height of the matrix
+ * @return The matrix, or NULL if out of memory
+ */
+dl_matrix2dq8_t *dl_matrixq8_alloc(int w, int h);
+
+/**
+ * @brief Free a quantized matrix
+ * Frees the matrix structure and (if it doesn't have the DL_MF_FOREIGNDATA flag set) the m->items space as well.
+ *
+ * @param m     Matrix to free
+ */
+void dl_matrixq8_free(dl_matrix2dq8_t *m);
+
+/**
+ * @brief Copy a quantized matrix
+ * Copy a quantized matrix from flash or iram/psram
+ *
+ * @param m     Matrix to copy
+ */
+dl_matrix2dq8_t *dl_matrixq8_copy_to_psram(const dl_matrix2dq8_t *m);
+
+/**
+ * @brief Convert a floating-point matrix to a quantized matrix
+ *
+ * @param m     Floating-point matrix to convert
+ * @param out   Quantized matrix to re-use. If NULL, allocate a new one.
+ * @Return The quantized version of the floating-point matrix
+ */
+dl_matrix2dq8_t *dl_matrixq8_from_matrix2d(const dl_matrix2d_t *m, dl_matrix2dq8_t *out);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+