cpp mat multiply

cpp mat multiply

#include<iostream>
using namespace std;

void create_mat(int height, int width, float *outMat){
    for (int h=0; h<height; h++){
        for (int w=0; w<width; w++){
            float value = h * width + (w+1);
            int int_value = (int) value -1;
            outMat[int_value] = value;
        }
    }
    return;
}


int main(){
    
    float *mat_a_s = new float;
    float *mat_b_s = new float;
    float mat_result[4];
    int height = 4;
    int width  = 3;
    create_mat(height, width, mat_a_s);
    create_mat(3, 1, mat_b_s);
    
    for (int h=0; h<height; h++){
        float result = 0;
        for (int w=0; w < width; w++){
            float value = h * width + (w+1);
            int int_value = (int) value -1;
            float mat_a_value1 = mat_a_s[int_value];
            float mat_b_value1 = mat_b_s[w];
             result += mat_a_value1 * mat_b_value1;
        }
        
        mat_result[h] = result;
    }
    
for(int i=0; i<height; i++){
    printf("mat_result  =  %f \n", mat_result[i]);
}
}