diff options
Diffstat (limited to 'benchmarks/polybench-syn/stencils/fdtd-2d.c')
| -rw-r--r-- | benchmarks/polybench-syn/stencils/fdtd-2d.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/benchmarks/polybench-syn/stencils/fdtd-2d.c b/benchmarks/polybench-syn/stencils/fdtd-2d.c index cee6b03..b699937 100644 --- a/benchmarks/polybench-syn/stencils/fdtd-2d.c +++ b/benchmarks/polybench-syn/stencils/fdtd-2d.c @@ -9,6 +9,8 @@ */ /* fdtd-2d.c: this file is part of PolyBench/C */ +#include <stdio.h> + #define plus(i) i = i + ONE static void init_array (int tmax, @@ -62,6 +64,10 @@ int print_array(int nx, for (j = 0; j < ny; plus(j)) { res ^= hz[i][j]; } + +#ifndef SYNTHESIS + printf("finished: %u\n", res); +#endif return res; } @@ -87,15 +93,15 @@ void kernel_fdtd_2d(int tmax, ey[0][j] = _fict_[t]; for (i = 1; i < nx; plus(i)) for (j = 0; j < ny; plus(j)) - ey[i][j] = ey[i][j] - ((hz[i][j]-(hz[i-ONE][j])>>1)); + ey[i][j] = ey[i][j] - ((hz[i][j]-((hz[i-ONE][j])>>1))); for (i = 0; i < nx; plus(i)) for (j = 1; j < ny; plus(j)) - ex[i][j] = ex[i][j] - ((hz[i][j]-(hz[i][j-ONE])>>1)); + ex[i][j] = ex[i][j] - ((hz[i][j]-((hz[i][j-ONE])>>1))); for (i = 0; i < nx - ONE; plus(i)) for (j = 0; j < ny - ONE; plus(j)){ int tmp = (ex[i][j+ONE] - ex[i][j] + ey[i+ONE][j] - ey[i][j]); - hz[i][j] = hz[i][j] - tmp >> 1 - tmp >> 2; + hz[i][j] = hz[i][j] - (tmp >> 1) - (tmp >> 2); } } |