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-rw-r--r--ext/-test-/rational/rat.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/ext/-test-/rational/rat.c b/ext/-test-/rational/rat.c
new file mode 100644
index 0000000..49e216a
--- /dev/null
+++ b/ext/-test-/rational/rat.c
@@ -0,0 +1,36 @@
+#include "ruby.h"
+#include "internal.h"
+
+static VALUE
+big(VALUE x)
+{
+ if (FIXNUM_P(x))
+ return rb_int2big(FIX2LONG(x));
+ if (RB_TYPE_P(x, T_BIGNUM))
+ return x;
+ rb_raise(rb_eTypeError, "can't convert %s to Bignum",
+ rb_obj_classname(x));
+}
+
+static VALUE
+gcd_normal(VALUE x, VALUE y)
+{
+ return rb_big_norm(rb_gcd_normal(rb_to_int(x), rb_to_int(y)));
+}
+
+#if defined(HAVE_LIBGMP) && defined(HAVE_GMP_H)
+static VALUE
+gcd_gmp(VALUE x, VALUE y)
+{
+ return rb_big_norm(rb_gcd_gmp(big(x), big(y)));
+}
+#else
+#define gcd_gmp rb_f_notimplement
+#endif
+
+void
+Init_rational(VALUE klass)
+{
+ rb_define_method(rb_cInteger, "gcd_normal", gcd_normal, 1);
+ rb_define_method(rb_cInteger, "gcd_gmp", gcd_gmp, 1);
+}