Hadamard 행렬구하기

#include <stdio.h>

int main() {

    int H_SIZE=32;  /*length of each code word: you can change. */

    int n,r1,c1,i,j;

    int hadamard_matrix[32][32]={1,}; /* Initialise 1x1 matrix */

 

    for (r1=1;r1<H_SIZE; r1*=2){

        for (i=0;i<r1;i++){ /* loop#1: Copying the code matrix itself below for new code matrix */

            for (j=0;j<r1; j++){

                hadamard_matrix[i+r1][j]=hadamard_matrix[i][j];

            }

        }

        for (i=0; i<r1;i++){/* Loop#2: Copying the code matrix on right to itself for new matrix */

            for (j=0; j<r1;j++){

                hadamard_matrix[i][j+r1]=hadamard_matrix[i][j];

            }

        }

        for (i=0;i<r1;i++){/* Loop#3: Copying cojugate of code matrix for complentary diagonal part */

            for (j=0;j<r1;j++){

                hadamard_matrix[i+r1][j+r1]=1-hadamard_matrix[i][j];

            }        

        }

    }

    for(i=0;i<H_SIZE;i+=1) {

        for(j=0;j<H_SIZE;j+=1) {

            printf("%2d", hadamard_matrix[i][j]);

        }

        printf("\n");

    }

    return 0;

}

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#include <stdio.h>

#include <stdlib.h>

void create_hadamard_matrix(char **h, int N) {

    int i, j, r1;

 

    for (r1=1;r1<N; r1+=r1){

        for (i=0;i<r1;i+=1){ /* loop#1: Copying the code matrix itself below for new code matrix */

            for (j=0;j<r1; j+=1){

                h[i+r1][j]=h[i][j];

            }

        }

        for (i=0; i<r1;i+=1){/* Loop#2: Copying the code matrix on right to itself for new matrix */

            for (j=0; j<r1;j+=1){

                h[i][j+r1]=h[i][j];

            }

        }

        for (i=0;i<r1;i+=1){/* Loop#3: Copying cojugate of code matrix for complentary diagonal part */

            for (j=0;j<r1;j+=1){

                h[i+r1][j+r1]='*'+'.'-h[i][j];

            }        

        }

    }

}

int main() {

    char **hadamard;

    int i, j, n;

    printf("크기: ");

    scanf("%d", &n);

    hadamard=(char**)malloc(n*sizeof(int));

    for(i=0;i<n;i+=1) {

        hadamard[i]=(char*)calloc(1,n);

    }

    hadamard[0][0]='*';

    create_hadamard_matrix(hadamard, n);

    for(i=0;i<n;i+=1) {

        for(j=0;j<n;j+=1) {

            printf("%c", hadamard[i][j]);

        }

        printf("\n");

    }

    return 0;

}