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authorYann Herklotz <git@yannherklotz.com>2021-09-18 14:40:45 +0100
committerYann Herklotz <git@yannherklotz.com>2021-09-18 14:40:45 +0100
commitb666f88219893c82361606f8652297ecc7fb7a9f (patch)
tree946c2ddb5ce21b7af24ce6945fe5f83cbb274061 /benchmarks/polybench-syn-div/medley/nussinov.c
parentc4d44af5f3135aba4d4878f8f41c80d1f0b9e9a2 (diff)
parentc4436c02648502c4cb327d2018229e62a2c0d1c0 (diff)
downloadvericert-b666f88219893c82361606f8652297ecc7fb7a9f.tar.gz
vericert-b666f88219893c82361606f8652297ecc7fb7a9f.zip
Merge branch 'master' into develop
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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
+ */
+/* nussinov.c: this file is part of PolyBench/C */
+
+typedef int base;
+
+#ifndef SYNTHESIS
+ #include <stdio.h>
+#endif
+
+#define plus(i) i = i + ONE
+static
+void init_array (int n,
+ base seq[ 60 + 0],
+ int table[ 60 + 0][60 + 0])
+{
+ int i, j;
+ int ONE = 1;
+ int FOUR = 4;
+
+
+ for (i=0; i <n; plus(i)) {
+ seq[i] = (base)(((i+ONE) % FOUR));
+ }
+
+ for (i=0; i <n; plus(i))
+ for (j=0; j <n; plus(j))
+ table[i][j] = 0;
+}
+
+
+
+
+static
+int print_array(int n,
+ int table[ 60 + 0][60 + 0])
+
+{
+ int i, j;
+ int ONE = 1;
+ int res = 0;
+
+ for (i = 0; i < n; plus(i)) {
+ for (j = i; j < n; plus(j)) {
+ res ^= table[i][j];
+ }
+ }
+#ifndef SYNTHESIS
+ printf("finished %u\n", res);
+#endif
+ return res;
+}
+
+static
+void kernel_nussinov(int n, base seq[ 60 + 0],
+ int table[ 60 + 0][60 + 0])
+{
+ int i, j, k;
+ int ZERO = 0;
+ int ONE = 1;
+ int THREE = 3;
+
+ for (i = n-ONE; i >= ZERO; i=i-ONE) {
+ for (j=i+ONE; j<n; plus(j)) {
+
+ if (j-ONE>=ZERO)
+ table[i][j] = ((table[i][j] >= table[i][j-ONE]) ? table[i][j] : table[i][j-ONE]);
+ if (i+ONE<n)
+ table[i][j] = ((table[i][j] >= table[i+ONE][j]) ? table[i][j] : table[i+ONE][j]);
+
+ if ((j-ONE>=ZERO && i+ONE<n) != (int)0) {
+
+ if (i<j-ONE)
+ table[i][j] = ((table[i][j] >= table[i+ONE][j-ONE]+(((seq[i])+(seq[j])) == THREE ? ONE : ZERO)) ? table[i][j] : table[i+ONE][j-ONE]+(((seq[i])+(seq[j])) == THREE ? ONE : ZERO));
+ else
+ table[i][j] = ((table[i][j] >= table[i+ONE][j-ONE]) ? table[i][j] : table[i+ONE][j-ONE]);
+ }
+
+ for (k=i+ONE; k<j; plus(k)) {
+ table[i][j] = ((table[i][j] >= table[i][k] + table[k+ONE][j]) ? table[i][j] : table[i][k] + table[k+ONE][j]);
+ }
+ }
+ }
+
+}
+
+
+int main()
+{
+
+ int n = 60;
+
+
+ base (seq)[60 + 0];
+ int (table)[60 + 0][60 + 0];
+
+
+ init_array (n, seq, table);
+
+ kernel_nussinov (n, seq, table);
+
+ return print_array(n, table);
+
+}