/* * mm: Multiply A by B leaving the * result in C. * The result matrix is assumed * to be initialised to zero. */ void mm1(A,B,C) double A[512][512], B[512][512], C[512][512]; { int i, j, k; for (i = 0; i < 512; i++) for (j = 0; j < 512; j++) for (k = 0; k < 512; k++) C[i][j] += A[i][k] * B[k][j]; }