/usr/include/linbox/util/formats/sms.h is in liblinbox-dev 1.3.2-1.1build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 | /* Copyright (C) 2005 LinBox
* Written by Dan Roche
*
*
*
* ========LICENCE========
* This file is part of the library LinBox.
*
* LinBox is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
* ========LICENCE========
*/
/*! @file util/formats/sms.h
* @brief MatrixStreamReader for sms matrix format
*
* 1st line: "50 60 X" // #rows #cols a letter (e.g M, I, R, P ...)
* Subsequent lines: i j v // row index, col index, value
* last line: 0 0 0
*/
#ifndef __LINBOX_sms_H
#define __LINBOX_sms_H
#include <cstdlib>
/*
namespace LinBox__SMS_H
{ static const char* name = "SMS Sparse Integer Matrix Format";
static const char* shortname = "sms"; }
*/
namespace LinBox
{
template<class Field>
class SMSReader : public MatrixStreamReader<Field> {
public:
typedef typename MatrixStreamReader<Field>::Element Element;
private:
int _base;
protected:
MatrixStreamError initImpl(const char* firstLine) {
char* restLine;
int i = 0;
// Read m
this->_m = strtoul(firstLine,&restLine,0);
if( this->_m == 0 && restLine == firstLine )
return NO_FORMAT;
i = int(restLine - firstLine);
// Read n
this->_n = strtoul(firstLine+i,&restLine,0);
if( this->_n == 0 && restLine == firstLine+i )
return NO_FORMAT;
i = int(restLine - firstLine);
// Read "M" or "R" or "P" or "I"
while( firstLine[i] && isspace(firstLine[i]) )
++i;
if( !firstLine[i] || (firstLine[i] != 'M' &&
firstLine[i] != 'm' &&
firstLine[i] != 'I' &&
firstLine[i] != 'i' &&
firstLine[i] != 'R' &&
firstLine[i] != 'r' &&
firstLine[i] != 'P' &&
firstLine[i] != 'p' ) )
return NO_FORMAT;
// Check whitespace for rest of line
++i;
while( firstLine[i] && isspace(firstLine[i]) )
++i;
if( firstLine[i] ) return BAD_FORMAT;
this->knowM = this->knowN = true;
return GOOD;
}
MatrixStreamError nextTripleImpl( size_t& m, size_t& n, Element& v ) {
this->ms->readWhiteSpace();
*(this->sin) >> m;
if( this->sin->eof() ) return END_OF_FILE;
if( !this->sin->good() ) return BAD_FORMAT;
this->ms->readWhiteSpace();
*(this->sin) >> n;
if( this->sin->eof() ) return END_OF_FILE;
if( !this->sin->good() ) return BAD_FORMAT;
this->ms->readWhiteSpace();
if( this->sin->eof() ) return END_OF_FILE;
this->ms->getField().read(*(this->sin),v);
if( this->sin->eof() ) this->atEnd = true;
else if( !this->sin->good() ) return BAD_FORMAT;
if( m == 0 && n == 0 ) return END_OF_MATRIX;
m -= _base;
n -= _base;
if( m >= this->_m ||
n >= this->_n ) return BAD_FORMAT;
return GOOD;
}
public:
SMSReader( int base = 1 ) {
_base = base;
}
const char* getName() const {return "SMS Sparse Integer Matrix Format"; }//LinBox__SMS_H::name;}
const char* shortName() const
{ return "sms"; }//LinBox__SMS_H::shortname; }
bool isSparse() const { return true; }
};
}
#endif // __LINBOX_sms_H
// vim:sts=8:sw=8:ts=8:noet:sr:cino=>s,f0,{0,g0,(0,:0,t0,+0,=s
// Local Variables:
// mode: C++
// tab-width: 8
// indent-tabs-mode: nil
// c-basic-offset: 8
// End:
|