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src
mlpack
core
util
nulloutstream.hpp
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#ifndef __MLPACK_CORE_UTIL_NULLOUTSTREAM_HPP
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#define __MLPACK_CORE_UTIL_NULLOUTSTREAM_HPP
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#include <iostream>
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#include <streambuf>
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#include <string>
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namespace
mlpack {
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namespace
util {
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class
NullOutStream
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{
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public
:
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NullOutStream
() { }
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NullOutStream
(
const
NullOutStream
&
/* other */
) { }
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/*
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We use (void) paramName in order to avoid the warning generated by
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-Wextra. For some currently unknown reason, simply deleting the
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parameter name (aka, outperator<<(bool) {...}) causes a compilation
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error (with -Werror off) for only this class.
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*/
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NullOutStream
&
operator<<
(
bool
val) { (void) val;
return
*
this
; }
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NullOutStream
&
operator<<
(
short
val) { (void) val;
return
*
this
; }
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NullOutStream
&
operator<<
(
unsigned
short
val) { (void) val;
return
*
this
; }
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NullOutStream
&
operator<<
(
int
val) { (void) val;
return
*
this
; }
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NullOutStream
&
operator<<
(
unsigned
int
val) { (void) val;
return
*
this
; }
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NullOutStream
&
operator<<
(
long
val) { (void) val;
return
*
this
; }
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NullOutStream
&
operator<<
(
unsigned
long
val) { (void) val;
return
*
this
; }
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NullOutStream
&
operator<<
(
float
val) { (void) val;
return
*
this
; }
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NullOutStream
&
operator<<
(
double
val) { (void) val;
return
*
this
; }
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NullOutStream
&
operator<<
(
long
double
val) { (void) val;
return
*
this
; }
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NullOutStream
&
operator<<
(
void
* val) { (void) val;
return
*
this
; }
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NullOutStream
&
operator<<
(
const
char
* str) { (void) str;
return
*
this
; }
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NullOutStream
&
operator<<
(std::string& str) { (void) str;
return
*
this
; }
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NullOutStream
&
operator<<
(std::streambuf* sb) { (void) sb;
return
*
this
; }
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NullOutStream
&
operator<<
(std::ostream& (*pf) (std::ostream&))
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{ (void) pf;
return
*
this
; }
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NullOutStream
&
operator<<
(std::ios& (*pf) (std::ios&)) { (void) pf;
return
*
this
; }
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NullOutStream
&
operator<<
(std::ios_base& (*pf) (std::ios_base&))
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{ (void) pf;
return
*
this
; }
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template
<
typename
T>
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NullOutStream
&
operator<<
(T& s)
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{ (void) s;
return
*
this
; }
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};
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}
// namespace util
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}
// namespace mlpack
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#endif
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