1 files changed, 13 insertions, 0 deletions
diff --git a/util.h b/util.h
new file mode 100644
index 0000000..7a73d22
--- /dev/null
+++ b/util.h
@@ -0,0 +1,13 @@
+#define DEFINE_GMP_OPERATION(SIGNATURE, TYPE, GMPOP, OBJTYPE, CONSTRUCTOR) \
+  -(OBJTYPE *) SIGNATURE                                                \
+  {                                                                     \
+    TYPE##_t mpval;                                                     \
+    OBJTYPE *result;                                                    \
+                                                                        \
+    TYPE##_init (mpval);                                                \
+    GMPOP;                                                              \
+    result = [OBJTYPE CONSTRUCTOR mpval];                               \
+    TYPE##_clear (mpval);                                               \
+                                                                        \
+    return result;                                                      \
+  }