// ************************************************************************** //
//                                                                            //
//    eses                   eses                                             //
//   eses                     eses                                            //
//  eses    eseses  esesese    eses   Embedded Systems Group                  //
//  ese    ese  ese ese         ese                                           //
//  ese    eseseses eseseses    ese   Department of Computer Science          //
//  eses   eses          ese   eses                                           //
//   eses   eseses  eseseses  eses    University of Kaiserslautern            //
//    eses                   eses                                             //
//                                                                            //
// ************************************************************************** //


[16]nat x;

thread ParallelPrefixTree_16 {
[16]nat y;
    y[0] = x[0];
    y[1] = x[1];
    y[2] = x[2];
    y[3] = x[3];
    y[4] = x[4];
    y[5] = x[5];
    y[6] = x[6];
    y[7] = x[7];
    y[8] = x[8];
    y[9] = x[9];
    y[10] = x[10];
    y[11] = x[11];
    y[12] = x[12];
    y[13] = x[13];
    y[14] = x[14];
    y[15] = x[15];
    // up-level 0
    y[1] = y[0] + y[1];
    y[3] = y[2] + y[3];
    y[5] = y[4] + y[5];
    y[7] = y[6] + y[7];
    y[9] = y[8] + y[9];
    y[11] = y[10] + y[11];
    y[13] = y[12] + y[13];
    y[15] = y[14] + y[15];
    // up-level 1
    y[3] = y[1] + y[3];
    y[7] = y[5] + y[7];
    y[11] = y[9] + y[11];
    y[15] = y[13] + y[15];
    // up-level 2
    y[7] = y[3] + y[7];
    y[15] = y[11] + y[15];
    // up-level 3
    y[15] = y[7] + y[15];
    // up-level 4
    // down-level 5
    // down-level 6
    y[11] = y[7] + y[11];
    // down-level 7
    y[5] = y[3] + y[5];
    y[9] = y[7] + y[9];
    y[13] = y[11] + y[13];
    // down-level 8
    y[2] = y[1] + y[2];
    y[4] = y[3] + y[4];
    y[6] = y[5] + y[6];
    y[8] = y[7] + y[8];
    y[10] = y[9] + y[10];
    y[12] = y[11] + y[12];
    y[14] = y[13] + y[14];
    x[0] = y[0];
    x[1] = y[1];
    x[2] = y[2];
    x[3] = y[3];
    x[4] = y[4];
    x[5] = y[5];
    x[6] = y[6];
    x[7] = y[7];
    x[8] = y[8];
    x[9] = y[9];
    x[10] = y[10];
    x[11] = y[11];
    x[12] = y[12];
    x[13] = y[13];
    x[14] = y[14];
    x[15] = y[15];
}