/usr/include/sunpinyin-2.0/slm/ids2ngram/idngram.h is in libsunpinyin-dev 3.0.0~git20160910-1.
This file is owned by root:root, with mode 0o644.
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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved.
*
* The contents of this file are subject to the terms of either the GNU Lesser
* General Public License Version 2.1 only ("LGPL") or the Common Development and
* Distribution License ("CDDL")(collectively, the "License"). You may not use this
* file except in compliance with the License. You can obtain a copy of the CDDL at
* http://www.opensource.org/licenses/cddl1.php and a copy of the LGPLv2.1 at
* http://www.opensource.org/licenses/lgpl-license.php. See the License for the
* specific language governing permissions and limitations under the License. When
* distributing the software, include this License Header Notice in each file and
* include the full text of the License in the License file as well as the
* following notice:
*
* NOTICE PURSUANT TO SECTION 9 OF THE COMMON DEVELOPMENT AND DISTRIBUTION LICENSE
* (CDDL)
* For Covered Software in this distribution, this License shall be governed by the
* laws of the State of California (excluding conflict-of-law provisions).
* Any litigation relating to this License shall be subject to the jurisdiction of
* the Federal Courts of the Northern District of California and the state courts
* of the State of California, with venue lying in Santa Clara County, California.
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or only
* the LGPL Version 2.1, indicate your decision by adding "[Contributor]" elects to
* include this software in this distribution under the [CDDL or LGPL Version 2.1]
* license." If you don't indicate a single choice of license, a recipient has the
* option to distribute your version of this file under either the CDDL or the LGPL
* Version 2.1, or to extend the choice of license to its licensees as provided
* above. However, if you add LGPL Version 2.1 code and therefore, elected the LGPL
* Version 2 license, then the option applies only if the new code is made subject
* to such option by the copyright holder.
*/
#ifndef _SIM_IDNGRAM_H
#define _SIM_IDNGRAM_H
#include "../../portability.h"
#include "../sim_fmerge.h"
template<int N>
class CSIM_Idngram {
public:
TSIMWordId ids[N];
public:
CSIM_Idngram()
{ for (int i = 0; i < N; ++i) ids[i] = 0; }
CSIM_Idngram & operator=(const CSIM_Idngram& r){
for (int i = 0; i < N; ++i)
ids[i] = r.ids[i];
return *this;
}
bool operator<(const CSIM_Idngram& r) const {
for (int i = 0; i < N; ++i) {
if (ids[i] < r.ids[i])
return true;
else if (ids[i] > r.ids[i])
return false;
}
return false;
}
bool operator>(const CSIM_Idngram& r) const {
for (int i = 0; i < N; ++i) {
if (ids[i] > r.ids[i])
return true;
else if (ids[i] < r.ids[i])
return false;
}
return false;
}
bool operator==(const CSIM_Idngram& r) const {
for (int i = 0; i < N; ++i)
if (ids[i] != r.ids[i]) return false;
return true;
}
};
template<int N>
class CSIM_IdngramFreq : public CSIM_Idngram<N> {
public:
CSIM_IdngramFreq()
: CSIM_Idngram<N>(), freq(0) { }
CSIM_IdngramFreq& operator=(const CSIM_IdngramFreq& r){
for (int i = 0; i < N; ++i)
this->ids[i] = r.ids[i];
freq = r.freq;
return *this;
}
bool read(FILE *fp, size_t& start_offset, size_t last_offset){
if (start_offset + size() <= last_offset) {
fseek(fp, start_offset, SEEK_SET);
if (fread(this->ids, sizeof(TSIMWordId), N,
fp) == N &&
fread(&freq, sizeof(unsigned int), 1, fp) == 1) {
start_offset += size();
return true;
}
}
return false;
}
protected:
size_t size() { return N * sizeof(TSIMWordId) + sizeof(unsigned int); }
public:
unsigned int freq;
};
#endif
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