85 lines
1.5 KiB
Plaintext
85 lines
1.5 KiB
Plaintext
//#include "sylib.h"
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int m = 800;
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int n = 800;
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int data[800][800];
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int corr[800][800];
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int mean[800];
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int stddev[800];
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void kernel_correlation(int m, int n,
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int data[][800],
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int corr[][800],
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int mean[],
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int stddev[])
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{
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int i, j, k;
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j = 0;
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while (j < m) {
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mean[j] = 0;
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i = 0;
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while (i < n) {
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mean[j] =mean[j] + data[i][j];
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i = i +1;
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}
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mean[j] = mean[j] / n;
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j = j + 1;
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}
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j = 0;
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while(j < m) {
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stddev[j] = 0;
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i= 0;
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while(i < n) {
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stddev[j] =stddev[j] + (data[i][j] - mean[j]) * (data[i][j] - mean[j]);
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i = i +1;
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}
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stddev[j] = stddev[j] / n;
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stddev[j] = stddev[j] * stddev[j];
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if (stddev[j] <= 1) {
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stddev[j] = 1;
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}
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j = j + 1;
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}
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i =0;
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while (i < n) {
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j = 0;
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while (j < m)
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{
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data[i][j] = data[i][j] - mean[j];
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data[i][j] = data[i][j] / (n * n * stddev[j]);
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j = j + 1;
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}
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i = i +1;
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}
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i = 0;
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while (i < m-1)
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{
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corr[i][i] = 1;
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j = i +1;
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while (j < m)
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{
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corr[i][j] = 0;
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k =0;
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while (k < n) {
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corr[i][j] = corr[i][j] + (data[k][i] * data[k][j]);
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k = k +1;
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}
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corr[j][i] = corr[i][j];
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j = j +1;
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}
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i = i +1;
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}
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corr[m-1][m-1] = 1;
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}
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int main()
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{
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getarray(data);
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starttime();
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kernel_correlation (m, n, data, corr, mean, stddev);
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stoptime();
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putarray(m*m, corr);
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return 0;
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} |