diff --git a/src/openmp.hpp b/src/openmp.hpp
new file mode 100644
index 0000000..7ef2c76
--- /dev/null
+++ b/src/openmp.hpp
@@ -0,0 +1,44 @@
+#ifndef __CTOOL_OPENMP_HPP
+#define __CTOOL_OPENMP_HPP
+
+#ifdef _OPENMP
+#include <omp.h>
+#endif
+
+namespace CosmoTool {
+
+    static int smp_get_max_threads() {
+#ifdef _OPENMP
+        return omp_get_max_threads();
+#else
+        return 1;
+#endif
+    }
+    
+    static int smp_get_thread_id() {
+#ifdef _OPENMP
+        return omp_get_thread_num();
+#else
+        return 0;
+#endif
+    }
+
+    static int smp_get_num_threads() {
+#ifdef _OPENMP
+        return omp_get_num_threads();
+#else
+        return 1;
+#endif
+
+    }
+    
+    static void smp_set_nested(bool n) {
+#ifdef _OPENMP
+        omp_set_nested(n ? 1 : 0);
+#endif
+    }
+
+    
+};
+
+#endif