SHOGUN
6.0.0
src
shogun
optimization
MomentumCorrection.cpp
Go to the documentation of this file.
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/*
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* Copyright (c) The Shogun Machine Learning Toolbox
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* Written (w) 2015 Wu Lin
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and documentation are those
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* of the authors and should not be interpreted as representing official policies,
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* either expressed or implied, of the Shogun Development Team.
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*
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*/
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#include <
shogun/optimization/MomentumCorrection.h
>
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#include <
shogun/base/Parameter.h
>
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using namespace
shogun
;
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void
MomentumCorrection::initialize_previous_direction
(
index_t
len)
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{
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REQUIRE
(len>0,
"The length (%d) must be positive\n"
, len);
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m_previous_descend_direction
=
SGVector<float64_t>
(len);
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m_previous_descend_direction
.
set_const
(0.0);
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}
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float64_t
MomentumCorrection::get_previous_descend_direction
(
index_t
idx)
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{
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REQUIRE
(idx>=0 && idx<
m_previous_descend_direction
.
vlen
,
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"Index (%d) is invalid\n"
, idx);
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return
m_previous_descend_direction
[idx];
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}
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void
MomentumCorrection::init()
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{
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m_previous_descend_direction
=
SGVector<float64_t>
();
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SG_ADD
(&
m_previous_descend_direction
,
"MomentumCorrection__m_previous_descend_direction"
,
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"previous_descend_direction in MomentumCorrection"
,
MS_NOT_AVAILABLE
);
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}
shogun::MomentumCorrection::initialize_previous_direction
virtual void initialize_previous_direction(index_t len)
Definition:
MomentumCorrection.cpp:36
index_t
int32_t index_t
Definition:
common.h:72
Parameter.h
REQUIRE
#define REQUIRE(x,...)
Definition:
SGIO.h:205
shogun::MS_NOT_AVAILABLE
Definition:
SGObject.h:102
shogun::MomentumCorrection::get_previous_descend_direction
virtual float64_t get_previous_descend_direction(index_t idx)
Definition:
MomentumCorrection.cpp:43
float64_t
double float64_t
Definition:
common.h:60
shogun::MomentumCorrection::m_previous_descend_direction
SGVector< float64_t > m_previous_descend_direction
Definition:
MomentumCorrection.h:102
shogun::SGVector< float64_t >
shogun::SGVector::set_const
void set_const(T const_elem)
Definition:
SGVector.cpp:184
shogun
all of classes and functions are contained in the shogun namespace
Definition:
class_list.h:18
SG_ADD
#define SG_ADD(...)
Definition:
SGObject.h:94
MomentumCorrection.h
shogun::SGVector::vlen
index_t vlen
Definition:
SGVector.h:545
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