diff options
Diffstat (limited to 'ext/-test-/rational/rat.c')
| -rw-r--r-- | ext/-test-/rational/rat.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/ext/-test-/rational/rat.c b/ext/-test-/rational/rat.c new file mode 100644 index 0000000000..6489fe3d7c --- /dev/null +++ b/ext/-test-/rational/rat.c @@ -0,0 +1,48 @@ +#include "internal/rational.h" + +#if defined(HAVE_LIBGMP) && defined(HAVE_GMP_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)); +} +#endif + +static VALUE +gcd_normal(VALUE klass, 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 klass, VALUE x, VALUE y) +{ + return rb_big_norm(rb_gcd_gmp(big(x), big(y))); +} +#else +#define gcd_gmp rb_f_notimplement +#endif + +static VALUE +s_rational_raw(VALUE klass, VALUE x, VALUE y) +{ + return rb_rational_raw(x, y); +} + +void +Init_rational(void) +{ + VALUE mBug = rb_define_module("Bug"); + VALUE klass = rb_define_module_under(mBug, "Rational"); + + rb_define_singleton_method(klass, "gcd_normal", gcd_normal, 2); + rb_define_singleton_method(klass, "gcd_gmp", gcd_gmp, 2); + + rb_define_singleton_method(klass, "raw", s_rational_raw, 2); +} |
