/usr/include/linbox/util/formats/generic-dense.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 | /* Copyright (C) 2010 LinBox
*
*
*
* ========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========
*/
#ifndef __LINBOX_format_dense_H
#define __LINBOX_format_dense_H
/* dense.h
* MatrixStreamReader specialization for matrices in the generic dense format:
* 1st line: #rows #cols
* Subsequent lines: every entry, row by row.
*/
#if 0
namespace LinBox__FORMAT_DENSE_H
{
static const char* name = "Generic Dense Format";
static const char* shortname = "dense";
}
#endif
namespace LinBox
{
template<class Field>
class DenseReader :public MatrixStreamReader<Field> {
public:
typedef typename MatrixStreamReader<Field>::Element Element;
private:
size_t currentRow, currentCol;
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);
// 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;
currentRow = currentCol = 0;
return GOOD;
}
MatrixStreamError nextTripleImpl( size_t& m, size_t& n, Element& v ) {
if( currentRow == this->_m ) return END_OF_MATRIX;
m = currentRow;
n = currentCol;
this->ms->readWhiteSpace();
this->ms->getField().read(*(this->sin),v);
if( this->sin->eof() ) return END_OF_FILE;
if( !this->sin->good() ) return BAD_FORMAT;
if( ++currentCol == this->_n ) {
++currentRow;
currentCol = 0;
}
return GOOD;
}
public:
DenseReader() {
currentRow = currentCol = (size_t) -1;
}
bool isSparse() const { return false; }
const char* getName() const { return "Generic Dense Format"; }//LinBox__FORMAT_DENSE_H::name; }
const char* shortName() const
{ return "dense"; }//LinBox__FORMAT_DENSE_H::shortname;
};
}
#endif // __LINBOX_format_dense_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:
|