Lines Matching full:xi

605 		 * let u = sum(li.a^i) i=0..m-1; then compute r = sum(li.xi):
606 		 * r^2+r = sum(li.(xi^2+xi)) = sum(li.(a^i+Tr(a^i).a^k)) =
1142 	unsigned int sum, x, y, remaining, ak = 0, xi[BCH_MAX_M];
1154 	/* find xi, i=0..m-1 such that xi^2+xi = a^i+Tr(a^i).a^k */
1156 	memset(xi, 0, sizeof(xi));
1162 			if (y && (r < m) && !xi[r]) {
1164 				xi[r] = 1;