mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
83a0709174
(bary_mul_gmp): New function. (bary_mul): Use bary_mul_gmp. (bigsq): Use different threshold with GMP. * configure.in: Detect GMP. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42743 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
#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
|
|
mul_normal(VALUE x, VALUE y)
|
|
{
|
|
return rb_big_norm(rb_big_mul_normal(big(x), big(y)));
|
|
}
|
|
|
|
static VALUE
|
|
sq_fast(VALUE x)
|
|
{
|
|
return rb_big_norm(rb_big_sq_fast(big(x)));
|
|
}
|
|
|
|
static VALUE
|
|
mul_balance(VALUE x, VALUE y)
|
|
{
|
|
return rb_big_norm(rb_big_mul_balance(big(x), big(y)));
|
|
}
|
|
|
|
static VALUE
|
|
mul_karatsuba(VALUE x, VALUE y)
|
|
{
|
|
return rb_big_norm(rb_big_mul_karatsuba(big(x), big(y)));
|
|
}
|
|
|
|
static VALUE
|
|
mul_toom3(VALUE x, VALUE y)
|
|
{
|
|
return rb_big_norm(rb_big_mul_toom3(big(x), big(y)));
|
|
}
|
|
|
|
#if defined(HAVE_LIBGMP) && defined(HAVE_GMP_H)
|
|
static VALUE
|
|
mul_gmp(VALUE x, VALUE y)
|
|
{
|
|
return rb_big_norm(rb_big_mul_gmp(big(x), big(y)));
|
|
}
|
|
#else
|
|
#define mul_gmp rb_f_notimplement
|
|
#endif
|
|
|
|
void
|
|
Init_mul(VALUE klass)
|
|
{
|
|
rb_define_const(rb_cBignum, "SIZEOF_BDIGITS", INT2NUM(SIZEOF_BDIGITS));
|
|
rb_define_const(rb_cBignum, "BITSPERDIG", INT2NUM(SIZEOF_BDIGITS * CHAR_BIT));
|
|
rb_define_method(rb_cInteger, "big_mul_normal", mul_normal, 1);
|
|
rb_define_method(rb_cInteger, "big_sq_fast", sq_fast, 0);
|
|
rb_define_method(rb_cInteger, "big_mul_balance", mul_balance, 1);
|
|
rb_define_method(rb_cInteger, "big_mul_karatsuba", mul_karatsuba, 1);
|
|
rb_define_method(rb_cInteger, "big_mul_toom3", mul_toom3, 1);
|
|
rb_define_method(rb_cInteger, "big_mul_gmp", mul_gmp, 1);
|
|
}
|