From 42a3e0dc55620664af3e6253f324711316b93934 Mon Sep 17 00:00:00 2001 From: akr Date: Fri, 6 Sep 2013 12:07:08 +0000 Subject: * rational.c: Include gmp.h if GMP is used. (GMP_GCD_DIGITS): New macro. (rb_gcd_gmp): New function. (f_gcd_normal): Renamed from f_gcd. (rb_gcd_normal): New function. (f_gcd): Invoke rb_gcd_gmp or f_gcd_normal. * internal.h (rb_gcd_normal): Declared. (rb_gcd_gmp): Ditto. * ext/-test-/rational: New directory. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42858 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/-test-/rational/rat.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 ext/-test-/rational/rat.c (limited to 'ext/-test-/rational/rat.c') diff --git a/ext/-test-/rational/rat.c b/ext/-test-/rational/rat.c new file mode 100644 index 0000000000..49e216aa41 --- /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); +} -- cgit v1.2.3