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-rw-r--r--benchmarks/polybench-syn/medley/floyd-warshall.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/benchmarks/polybench-syn/medley/floyd-warshall.c b/benchmarks/polybench-syn/medley/floyd-warshall.c
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+/**
+ * This version is stamped on May 10, 2016
+ *
+ * Contact:
+ * Louis-Noel Pouchet <pouchet.ohio-state.edu>
+ * Tomofumi Yuki <tomofumi.yuki.fr>
+ *
+ * Web address: http://polybench.sourceforge.net
+ */
+/* floyd-warshall.c: this file is part of PolyBench/C */
+
+
+#define plus(i) i = i + ONE
+static
+void init_array (int n,
+ int path[ 60 + 0][60 + 0])
+{
+ int i, j;
+ int ONE = 1;
+ int N7 = 7;
+ int N11 = 11;
+ int N13 = 13;
+
+ for (i = 0; i < n; plus(i))
+ for (j = 0; j < n; plus(j)) {
+ path[i][j] = i*j%N7+ONE;
+ if ((i+j)%N13 == 0 || (i+j)%N7==0 || (i+j)%N11 == 0)
+ path[i][j] = 999;
+ }
+}
+
+
+
+
+static
+int print_array(int n,
+ int path[ 60 + 0][60 + 0])
+
+{
+ int i, j;
+ int res = 0;
+ int ONE = 1;
+
+ for (i = 0; i < n; plus(i))
+ for (j = 0; j < n; plus(j)) {
+ res ^= path[i][j];
+ }
+ return res;
+}
+
+
+
+
+static
+void kernel_floyd_warshall(int n,
+ int path[ 60 + 0][60 + 0])
+{
+ int i, j, k;
+ int ONE = 1;
+
+#pragma scop
+ for (k = 0; k < n; plus(k))
+ {
+ for(i = 0; i < n; plus(i))
+ for (j = 0; j < n; plus(j))
+ path[i][j] = path[i][j] < path[i][k] + path[k][j] ?
+ path[i][j] : path[i][k] + path[k][j];
+ }
+#pragma endscop
+
+}
+
+
+int main()
+{
+
+ int n = 60;
+
+
+ int path[60 + 0][60 + 0];
+
+ init_array (n, path);
+
+ kernel_floyd_warshall (n, path);
+
+ return print_array(n, path);
+
+ return 0;
+}