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jruby/cext/src/bignum.cpp at tmpdir-failure · MSNexploder/jruby · GitHub
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bignum.cpp
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/*
**** BEGIN LICENSE BLOCK *****
* Version: CPL 1.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Common Public
* License Version 1.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.eclipse.org/legal/cpl-v10.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Copyright (C) 2010 Wayne Meissner
* Copyright (C) 2010 Tim Felgentreff
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the CPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the CPL, the GPL or the LGPL.
***** END LICENSE BLOCK ****
*/
#
include
"
jruby.h
"
#
include
"
ruby.h
"
#
include
"
JLocalEnv.h
"
using
namespace
jruby
;
extern
"
C
"
int
jruby_big_bytes_used
(
VALUE
obj)
{
return
NUM2INT
(
callMethod
(obj,
"
size
"
,
0
));
}
extern
"
C
"
VALUE
jruby_big_sign
(
VALUE
obj)
{
return
callMethod
(obj,
"
>
"
,
1
,
INT2NUM
(
0
));
}
extern
"
C
"
long
long
rb_big2ll
(
VALUE
obj)
{
JLocalEnv env;
jvalue params[
1
];
params[
0
].
l
=
valueToObject
(env, obj);
jlong result = env->
CallStaticLongMethodA
(RubyNumeric_class, RubyNumeric_num2long_method, params);
checkExceptions
(env);
return
(
long
long
) result;
}
extern
"
C
"
long
rb_big2long
(
VALUE
obj)
{
return
(
long
)
rb_big2ll
(obj);
}
extern
"
C
"
unsigned
long
rb_big2ulong
(
VALUE
obj)
{
if
(
TYPE
(obj) ==
T_BIGNUM
) {
JLocalEnv env;
jlong result = env->
CallStaticLongMethod
(RubyBignum_class, RubyBignum_big2ulong_method,
valueToObject
(env, obj));
checkExceptions
(env);
return
(
unsigned
long
) result;
}
else
{
return
(
unsigned
long
)
rb_big2ll
(obj);
}
}
extern
"
C
"
double
rb_big2dbl
(
VALUE
obj)
{
JLocalEnv env;
jvalue params[
1
];
params[
0
].
l
=
valueToObject
(env, obj);
jdouble result = env->
CallStaticDoubleMethodA
(RubyBignum_class, RubyBignum_big2dbl_method, params);
checkExceptions
(env);
return
result;
}
extern
"
C
"
VALUE
rb_big2str
(
VALUE
obj,
int
radix)
{
return
callMethod
(obj,
"
to_s
"
,
1
,
INT2FIX
(radix));
}
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