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3fa0edda05
* ext/-test-/rational/rat.c (big): used only if GMP is available. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42888 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
38 lines
793 B
C
38 lines
793 B
C
#include "ruby.h"
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#include "internal.h"
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#if defined(HAVE_LIBGMP) && defined(HAVE_GMP_H)
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static VALUE
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big(VALUE x)
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{
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if (FIXNUM_P(x))
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return rb_int2big(FIX2LONG(x));
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if (RB_TYPE_P(x, T_BIGNUM))
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return x;
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rb_raise(rb_eTypeError, "can't convert %s to Bignum",
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rb_obj_classname(x));
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}
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#endif
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static VALUE
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gcd_normal(VALUE x, VALUE y)
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{
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return rb_big_norm(rb_gcd_normal(rb_to_int(x), rb_to_int(y)));
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}
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#if defined(HAVE_LIBGMP) && defined(HAVE_GMP_H)
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static VALUE
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gcd_gmp(VALUE x, VALUE y)
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{
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return rb_big_norm(rb_gcd_gmp(big(x), big(y)));
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}
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#else
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#define gcd_gmp rb_f_notimplement
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#endif
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void
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Init_rational(VALUE klass)
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{
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rb_define_method(rb_cInteger, "gcd_normal", gcd_normal, 1);
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rb_define_method(rb_cInteger, "gcd_gmp", gcd_gmp, 1);
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}
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