Add 4

4

@@ -0,0 +1,72 @@
+#include <iostream>
+#include <ctime>
+#include <arm_neon.h>
+
+using namespace std;
+
+#define H 5
+#define W 5
+
+// 打印矩阵
+void printMatrix(float matrix[H][W]) {
+    for (int i = 0; i < H; ++i) {
+        for (int j = 0; j < W; ++j) {
+            cout << matrix[i][j] << " ";
+        }
+        cout << endl;
+    }
+}
+
+int main() {
+    // 输入的5×5图像矩阵
+    float src[H][W] = {
+        {1, 2, 3, 4, 5},
+        {6, 7, 8, 9, 10},
+        {11, 12, 13, 14, 15},
+        {16, 17, 18, 19, 20},
+        {21, 22, 23, 24, 25}
+    };
+
+    // 高斯模糊核
+    float kernel[3][3] = {
+        {1/16.0, 2/16.0, 1/16.0},
+        {2/16.0, 4/16.0, 2/16.0},
+        {1/16.0, 2/16.0, 1/16.0}
+    };
+
+    // 行列分离核
+    float kx[3] = {1/4.0, 2/4.0, 1/4.0};
+    float ky[3] = {1/4.0, 2/4.0, 1/4.0};
+
+    float dst1[H][W] = {0}, dst2[H][W] = {0}, dst3[H][W] = {0};
+
+    // 计时步骤1
+    clock_t start1 = clock();
+    // applyGaussianBlur(src, dst1, H, W, kernel); // 假设已实现
+    clock_t end1 = clock();
+
+    // 计时步骤2
+    clock_t start2 = clock();
+    // applySeparableGaussianBlur(src, dst2, H, W, kx, ky); // 假设已实现
+    clock_t end2 = clock();
+
+    // 计时步骤3
+    clock_t start3 = clock();
+    // applySeparableGaussianBlur_NEON(src, dst3, H, W, kx, ky); // 假设已实现
+    clock_t end3 = clock();
+
+    // 结果输出
+    cout << "步骤1输出矩阵:" << endl;
+    printMatrix(dst1);
+    cout << "步骤1运行时间: " << (double)(end1 - start1) / CLOCKS_PER_SEC << " 秒" << endl;
+
+    cout << "步骤2输出矩阵:" << endl;
+    printMatrix(dst2);
+    cout << "步骤2运行时间: " << (double)(end2 - start2) / CLOCKS_PER_SEC << " 秒" << endl;
+
+    cout << "步骤3输出矩阵:" << endl;
+    printMatrix(dst3);
+    cout << "步骤3运行时间: " << (double)(end3 - start3) / CLOCKS_PER_SEC << " 秒" << endl;
+
+    return 0;
+}