info2: add baseline strategy

info2.cpp

 #include <osl/osl.h>
 #include <math.h>
 
+#include <cstring>
+
 #include <string>
 #include <iostream>
 #include <tuple>
@@ -8,6 +10,7 @@
 #include <list>
 
 using perf_t = std::tuple<int, std::set<int>, int>;
+enum Strategy { baseline, permutation };
 
 std::ostream & operator << (std::ostream &out, const perf_t &p) {
     auto [j, xx, k] = p;
@@ -22,12 +25,25 @@ std::ostream & operator << (std::ostream &out, const perf_t &p) {
 }
 
 int main(int argc, char *argv[]) {
-    if(argc != 2) {
-        std::cerr << "usage: <SCOP>\n";
+    /* parse arguments */
+    if(argc != 3) {
+        std::cerr << "usage: <strategy> <SCOP>\n"
+            << " -p all permutations\n"
+            << " -b baseline\n\n";
+        return -1;
+    }
+
+    Strategy strategy;
+    if(!strcmp(argv[1], "-p"))
+        strategy = permutation;
+    else if(!strcmp(argv[1], "-b"))
+        strategy = baseline;
+    else {
+        std::cerr << "invalid strategy\n";
         return -1;
     }
 
-    auto *fp = fopen(argv[1], "r");
+    auto *fp = fopen(argv[2], "r");
     if(!fp) {
         std::cerr << "openscop read failed\n";
         return -1;
@@ -62,7 +78,7 @@ int main(int argc, char *argv[]) {
 
     while(s) {
         if(!current_scop
-               || !(osl_relation_equal(current_scop->domain, s->domain))) {
+                || !(osl_relation_equal(current_scop->domain, s->domain))) {
             /* new scop */
             if(current_scop) {
                 add_scop();
@@ -81,24 +97,36 @@ int main(int argc, char *argv[]) {
     std::vector<perf_t> list{ std::make_move_iterator(std::begin(l)),
         std::make_move_iterator(std::end(l)) };
 
+    if(strategy == permutation) {
+        for(unsigned i = 1; i < pow(2, list.size()); i++) {
+            std::cout << "config;" << i << "\n";
+
+            for(unsigned j = 0; j < list.size(); j++) {
+                if ((i>>j)&1) {
+                    std::cout << list[j] << "\n";
+                }
+            }
+            std::cout << "\n";
+        }
+    }
+    else if(strategy == baseline) {
+        int last_scop = -1;
+        for(auto el : list) {
+            if(last_scop != std::get<0>(el)) {
+                std::cout << el << "\n";
+                last_scop = std::get<0>(el);
+            }
+        }
+    }
+
 #if 0
     std::cerr << "list size is now " << list.size() << "\n";
     for(auto x : list) {
-        std::cerr << x << "\n";
+        std::cerr << "--" << x << "\n";
     }
     return 0;
 #endif
 
-    for(unsigned i = 1; i < pow(2, list.size()); i++) {
-        std::cout << "config;" << i << "\n";
-
-        for(unsigned j = 0; j < list.size(); j++) {
-            if ((i>>j)&1) {
-                std::cout << list[j] << "\n";
-            }
-        }
-        std::cout << "\n";
-    }
 
     return 0;
 }