sum.cl

/*
 * sum.cl  Copyright 2011 Andrew Schaumberg
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

__kernel
void sum(__global const int *in, __global int *out, const unsigned int len) {
  int i, t;

  i = get_global_id(0); /* Current elm idx to process */
  if (i < len) {
    t = in[i];
    out[i] = (t * (t+1)) / 2;
  }
}