Add single-row cut generator

infinity/benchmark/CMakeLists.txt

@@ -1,2 +1,7 @@
 add_executable(infinity-benchmark.run src/main.c)
-target_link_libraries (infinity-benchmark.run LINK_PUBLIC lifting_static infinity_static multirow_static)
+target_link_libraries (infinity-benchmark.run LINK_PUBLIC
+    lifting_static
+    infinity_static
+    multirow_static
+    m
+    pthread)

infinity/library/src/greedy-2d.c

@@ -14,8 +14,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#define _GNU_SOURCE
-
 #include <math.h>
 #include <stdio.h>
 #include <stdlib.h>

infinity/library/tests/greedy-2d-test.cpp

@@ -15,6 +15,7 @@
  */
 
 #include <gtest/gtest.h>
+using namespace std;
 
 #define TEST_SOURCE