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jruby/cext/src/float.cpp at tmpdir-failure · MSNexploder/jruby · GitHub
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float.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
"
Handle.h
"
#
include
"
JLocalEnv.h
"
#
include
"
JUtil.h
"
using
namespace
jruby
;
RubyFloat::RubyFloat
(
double
value): registered_(
false
)
{
setType
(
T_FLOAT
);
rfloat_.
value
= value;
}
RubyFloat::RubyFloat
(JNIEnv* env, jobject obj_, jdouble value_): Handle(env, obj_,
T_FLOAT
)
{
rfloat_.
value
= value_;
}
static
bool
RubyFloat_jsync
(JNIEnv* env, DataSync* data)
{
return
((RubyFloat *) data->
data
)->
jsync
(env);
}
static
bool
RubyFloat_nsync
(JNIEnv* env, DataSync* data)
{
return
((RubyFloat *) data->
data
)->
nsync
(env);
}
static
bool
RubyFloat_clean
(JNIEnv* env, DataSync* data)
{
return
((RubyFloat *) data->
data
)->
clean
(env);
}
struct
RFloat
*
RubyFloat::toRFloat
()
{
if
(!registered_) {
jsync_.
data
=
this
;
jsync_.
sync
= RubyFloat_jsync;
nsync_.
data
=
this
;
nsync_.
sync
= RubyFloat_nsync;
clean_.
data
=
this
;
clean_.
sync
= RubyFloat_clean;
TAILQ_INSERT_TAIL
(&jruby::cleanq, &clean_, syncq);
TAILQ_INSERT_TAIL
(&jruby::jsyncq, &jsync_, syncq);
TAILQ_INSERT_TAIL
(&jruby::nsyncq, &nsync_, syncq);
registered_ =
true
;
}
return
&rfloat_;
}
bool
RubyFloat::jsync
(JNIEnv* env)
{
env->
SetDoubleField
(obj, RubyFloat_value_field, rfloat_.
value
);
return
true
;
}
bool
RubyFloat::nsync
(JNIEnv* env)
{
rfloat_.
value
= env->
GetDoubleField
(obj, RubyFloat_value_field);
return
true
;
}
bool
RubyFloat::clean
(JNIEnv* env)
{
registered_ =
false
;
return
true
;
}
extern
"
C
"
struct
RFloat
*
jruby_rfloat
(
VALUE
v)
{
Handle* h =
Handle::valueOf
(v);
if
(h->
getType
() ==
T_FLOAT
) {
return
((RubyFloat *) h)->
toRFloat
();
}
rb_raise
(rb_eTypeError,
"
wrong type (expected Float)
"
);
}
extern
"
C
"
VALUE
rb_float_new
(
double
value)
{
JLocalEnv env;
//
env->CallStaticObjectMethod();
RubyFloat* f =
new
RubyFloat
(value);
jvalue params[
3
];
params[
0
].
l
=
jruby::getRuntime
();
params[
1
].
j
=
p2j
(f);
params[
2
].
d
= value;
jobject rubyFloat = env->
CallStaticObjectMethodA
(JRuby_class, JRuby_newFloat, params);
f->
obj
= env->
NewGlobalRef
(rubyFloat);
return
(
VALUE
) f;
}
extern
"
C
"
double
jruby_float_value
(
VALUE
v)
{
Handle* h =
Handle::valueOf
(v);
if
(h->
getType
() ==
T_FLOAT
) {
return
((RubyFloat *) h)->
doubleValue
();
}
rb_raise
(rb_eTypeError,
"
wrong type (expected Float)
"
);
}
extern
"
C
"
VALUE
rb_Float
(
VALUE
obj)
{
return
rb_convert_type
(obj,
T_FLOAT
,
"
Float
"
,
"
to_f
"
);
}
extern
"
C
"
double
rb_num2dbl
(
VALUE
val)
{
switch
(
TYPE
(val)) {
case
T_FLOAT
:
return
RFLOAT_VALUE
(val);
case
T_STRING
:
rb_raise
(rb_eTypeError,
"
no implicit conversion to float from string
"
);
break
;
case
T_NIL
:
rb_raise
(rb_eTypeError,
"
no implicit conversion to float from nil
"
);
break
;
default
:
break
;
}
return
RFLOAT_VALUE
(
rb_Float
(val));
}
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