mirror of
https://github.com/openhwgroup/cvw
synced 2025-02-11 06:05:49 +00:00
23 lines
475 B
C
23 lines
475 B
C
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#include <stdio.h> // supports printf
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#include "util.h" // supports verify
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// Matrix-vector multiplication y = Ax.
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// A is an m rows x n columns matrix.
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void matvecmul(int A[], int x[], int y[], int m, int n) {
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int i, j, sum;
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for (i=0; i<m; i = i + 1) {
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sum = 0;
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for (j=0; j<n; j = j + 1)
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sum = sum + A[i*n+j] * x[j];
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y[i] = sum;
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}
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}
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void main(void) {
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int A[6] = {1, 2, 3, 4, 5, 6};
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int x[3] = {7, 8, 9};
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int y[2];
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matvecmul(A, x, y, 2, 3);
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}
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