MPSInput Class Reference

#include <mpsinput.h>

Public Types
Types
enum	Section {   NAME, OBJSEN, OBJNAME, ROWS,   COLUMNS, RHS, RANGES, BOUNDS,   ENDATA }
enum	Sense { MAXIMIZE = 1, MINIMIZE = -1 }
	optimization sense. More...
enum	{ MAX_LINE_LEN = 256 }

Public Member Functions
Construction / destruction
	MPSInput (std::istream &p_input)
virtual	~MPSInput ()
Access
Section	section () const
int	lineno () const
const char *	field0 () const
const char *	field1 () const
const char *	field2 () const
const char *	field3 () const
const char *	field4 () const
const char *	field5 () const
const char *	probName () const
const char *	objName () const
Sense	objSense () const
bool	hasError () const
bool	isInteger () const
Modification
void	setSection (Section p_section)
void	setProbName (const char *p_probname)
void	setObjName (const char *p_objname)
void	setObjSense (Sense sense)
Warnings and Errors
void	syntaxError ()
void	entryIgnored (const char *what, const char *what_name, const char *entity, const char *entity_name)
Helpers
bool	readLine ()
	reads an MPS format data line and parse the fields. More...
void	insertName (const char *name, bool second=false)
	Inserts name as field 1 and shifts all other fields up. More...

Private data
Section	m_section
std::istream &	m_input
	the input stream from which the file is read More...
int	m_lineno
	line number More...
Sense	m_objsense
	objctive sense (maximization or minimization) More...
bool	m_has_error
	is set to true upon a syntax error More...
char	m_buf [MAX_LINE_LEN]
	the line buffer More...
const char *	m_f0
	first field in a line More...
const char *	m_f1
	second field in a line More...
const char *	m_f2
	third field in a line More...
const char *	m_f3
	fourth field in a line More...
const char *	m_f4
	fifth field in a line More...
const char *	m_f5
	sixth field in a line More...
char	m_probname [MAX_LINE_LEN]
	problem name More...
char	m_objname [MAX_LINE_LEN]
	objective name More...
bool	m_is_integer
bool	m_is_new_format
	new MPS format? More...
int	m_ignored
	Number of already ignored entries. More...
static const int	m_max_ignore = 1000
	Maximal number of ignored entries for which a warning will be issued. More...

Detailed Description

Reads MPS input files. A right-hand side for the objective function is allowed but ignored.

Definition at line 34 of file mpsinput.h.

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
MAX_LINE_LEN

Definition at line 56 of file mpsinput.h.

Section

enum Section

Enumerator
NAME
OBJSEN
OBJNAME
ROWS
COLUMNS
RHS
RANGES
BOUNDS
ENDATA

Definition at line 43 of file mpsinput.h.

Sense

enum Sense

optimization sense.

Enumerator
MAXIMIZE
MINIMIZE

Definition at line 50 of file mpsinput.h.

Constructor & Destructor Documentation

MPSInput()

MPSInput ( std::istream &  p_input )

explicit

Definition at line 110 of file mpsinput.h.

~MPSInput()

virtual ~MPSInput ( )

virtual

Definition at line 128 of file mpsinput.h.

Member Function Documentation

entryIgnored()

void entryIgnored	(	const char *	what,
		const char *	what_name,
		const char *	entity,
		const char *	entity_name
	)

Definition at line 244 of file mpsinput.h.

References MPSInput::insertName(), MSG_ERROR, and MPSInput::readLine().

Referenced by soplex::MPSreadBounds(), soplex::MPSreadCols(), soplex::MPSreadRanges(), and soplex::MPSreadRhs().

field0()

const char* field0

(

)

const

Definition at line 150 of file mpsinput.h.

References MPSInput::m_f0.

Referenced by soplex::MPSreadBounds(), soplex::MPSreadCols(), soplex::MPSreadName(), soplex::MPSreadObjname(), soplex::MPSreadObjsen(), soplex::MPSreadRanges(), soplex::MPSreadRhs(), soplex::MPSreadRows(), SPxBasis::readBasis(), and SoPlex::readBasisFile().

field1()

const char* field1

(

)

const

Definition at line 155 of file mpsinput.h.

References MPSInput::m_f1.

Referenced by soplex::MPSreadBounds(), soplex::MPSreadCols(), soplex::MPSreadName(), soplex::MPSreadObjname(), soplex::MPSreadObjsen(), soplex::MPSreadRanges(), soplex::MPSreadRhs(), soplex::MPSreadRows(), SPxBasis::readBasis(), and SoPlex::readBasisFile().

field2()

const char* field2

(

)

const

Definition at line 160 of file mpsinput.h.

References MPSInput::m_f2.

Referenced by soplex::MPSreadBounds(), soplex::MPSreadCols(), soplex::MPSreadRanges(), soplex::MPSreadRhs(), soplex::MPSreadRows(), SPxBasis::readBasis(), and SoPlex::readBasisFile().

field3()

const char* field3

(

)

const

Definition at line 165 of file mpsinput.h.

References MPSInput::m_f3.

Referenced by soplex::MPSreadBounds(), soplex::MPSreadCols(), soplex::MPSreadRanges(), soplex::MPSreadRhs(), SPxBasis::readBasis(), and SoPlex::readBasisFile().

field4()

const char* field4

(

)

const

Definition at line 170 of file mpsinput.h.

References MPSInput::m_f4.

Referenced by soplex::MPSreadBounds(), soplex::MPSreadCols(), soplex::MPSreadRanges(), and soplex::MPSreadRhs().

field5()

const char* field5

(

)

const

Definition at line 175 of file mpsinput.h.

References MPSInput::m_f5.

Referenced by soplex::MPSreadCols(), soplex::MPSreadRanges(), and soplex::MPSreadRhs().

hasError()

bool hasError

(

)

const

Definition at line 195 of file mpsinput.h.

References MPSInput::m_has_error.

Referenced by SPxBasis::readBasis(), SoPlex::readBasisFile(), and SPxLPBase< Real >::readMPS().

insertName()

void insertName	(	const char *	name,
		bool	second = false
	)

Inserts name as field 1 and shifts all other fields up.

Insert name as field 1 and shift all other fields up.

Definition at line 259 of file mpsinput.cpp.

References MPSInput::m_f1, MPSInput::m_f2, MPSInput::m_f3, MPSInput::m_f4, and MPSInput::m_f5.

Referenced by MPSInput::entryIgnored(), soplex::MPSreadBounds(), soplex::MPSreadRanges(), and soplex::MPSreadRhs().

isInteger()

bool isInteger

(

)

const

Definition at line 200 of file mpsinput.h.

References MPSInput::m_is_integer.

Referenced by soplex::MPSreadCols().

lineno()

int lineno

(

)

const

Definition at line 145 of file mpsinput.h.

References MPSInput::m_lineno.

Referenced by soplex::MPSreadBounds().

objName()

const char* objName

(

)

const

Definition at line 185 of file mpsinput.h.

References MPSInput::m_objname.

Referenced by soplex::MPSreadCols(), and soplex::MPSreadRows().

objSense()

Sense objSense

(

)

const

Definition at line 190 of file mpsinput.h.

References MPSInput::m_objsense.

Referenced by SPxLPBase< Real >::readMPS().

probName()

const char* probName

(

)

const

Definition at line 180 of file mpsinput.h.

References MPSInput::m_probname.

Referenced by soplex::MPSreadName().

readLine()

bool readLine

(

)

reads an MPS format data line and parse the fields.

read a MPS format data line and parse the fields.

Definition at line 58 of file mpsinput.cpp.

References BLANK, MPSInput::BOUNDS, soplex::clear_from(), MPSInput::COLUMNS, MPSInput::m_buf, MPSInput::m_f0, MPSInput::m_f1, MPSInput::m_f2, MPSInput::m_f3, MPSInput::m_f4, MPSInput::m_f5, MPSInput::m_input, MPSInput::m_is_integer, MPSInput::m_is_new_format, MPSInput::m_lineno, MPSInput::m_section, MSG_DEBUG, soplex::patch_field(), MPSInput::RANGES, and MPSInput::RHS.

Referenced by MPSInput::entryIgnored(), soplex::MPSreadBounds(), soplex::MPSreadCols(), soplex::MPSreadName(), soplex::MPSreadObjname(), soplex::MPSreadObjsen(), soplex::MPSreadRanges(), soplex::MPSreadRhs(), soplex::MPSreadRows(), SPxBasis::readBasis(), and SoPlex::readBasisFile().

section()

Section section

(

)

const

Definition at line 140 of file mpsinput.h.

References MPSInput::m_section.

Referenced by SPxBasis::readBasis(), and SPxLPBase< Real >::readMPS().

setObjName()

void setObjName

(

const char *

p_objname

)

Definition at line 221 of file mpsinput.h.

References MPSInput::MAX_LINE_LEN, and soplex::spxSnprintf().

Referenced by soplex::MPSreadObjname(), and soplex::MPSreadRows().

setObjSense()

void setObjSense

(

Sense

sense

)

Definition at line 227 of file mpsinput.h.

Referenced by soplex::MPSreadObjsen().

setProbName()

void setProbName

(

const char *

p_probname

)

Definition at line 215 of file mpsinput.h.

References MPSInput::MAX_LINE_LEN, and soplex::spxSnprintf().

Referenced by soplex::MPSreadName().

setSection()

void setSection

(

Section

p_section

)

Definition at line 210 of file mpsinput.h.

Referenced by soplex::MPSreadBounds(), soplex::MPSreadCols(), soplex::MPSreadName(), soplex::MPSreadObjname(), soplex::MPSreadObjsen(), soplex::MPSreadRanges(), soplex::MPSreadRhs(), soplex::MPSreadRows(), SPxBasis::readBasis(), and SoPlex::readBasisFile().

syntaxError()

void syntaxError

(

)

Definition at line 237 of file mpsinput.h.

References MSG_ERROR.

Referenced by soplex::MPSreadBounds(), soplex::MPSreadCols(), soplex::MPSreadName(), soplex::MPSreadObjname(), soplex::MPSreadObjsen(), soplex::MPSreadRanges(), soplex::MPSreadRhs(), soplex::MPSreadRows(), SPxBasis::readBasis(), SoPlex::readBasisFile(), and SPxLPBase< Real >::readMPS().

Member Data Documentation

m_buf

char m_buf[MAX_LINE_LEN]

private

the line buffer

Definition at line 76 of file mpsinput.h.

Referenced by MPSInput::readLine().

m_f0

const char* m_f0

private

first field in a line

Definition at line 78 of file mpsinput.h.

Referenced by MPSInput::field0(), and MPSInput::readLine().

m_f1

const char* m_f1

private

second field in a line

Definition at line 80 of file mpsinput.h.

Referenced by MPSInput::field1(), MPSInput::insertName(), and MPSInput::readLine().

m_f2

const char* m_f2

private

third field in a line

Definition at line 82 of file mpsinput.h.

Referenced by MPSInput::field2(), MPSInput::insertName(), and MPSInput::readLine().

m_f3

const char* m_f3

private

fourth field in a line

Definition at line 84 of file mpsinput.h.

Referenced by MPSInput::field3(), MPSInput::insertName(), and MPSInput::readLine().

m_f4

const char* m_f4

private

fifth field in a line

Definition at line 86 of file mpsinput.h.

Referenced by MPSInput::field4(), MPSInput::insertName(), and MPSInput::readLine().

m_f5

const char* m_f5

private

sixth field in a line

Definition at line 88 of file mpsinput.h.

Referenced by MPSInput::field5(), MPSInput::insertName(), and MPSInput::readLine().

m_has_error

bool m_has_error

private

is set to true upon a syntax error

Definition at line 74 of file mpsinput.h.

Referenced by MPSInput::hasError().

m_ignored

int m_ignored

private

Number of already ignored entries.

Definition at line 98 of file mpsinput.h.

m_input

std::istream& m_input

private

the input stream from which the file is read

Definition at line 68 of file mpsinput.h.

Referenced by MPSInput::readLine().

m_is_integer

bool m_is_integer

private

Definition at line 94 of file mpsinput.h.

Referenced by MPSInput::isInteger(), and MPSInput::readLine().

m_is_new_format

bool m_is_new_format

private

new MPS format?

Definition at line 96 of file mpsinput.h.

Referenced by MPSInput::readLine().

m_lineno

int m_lineno

private

line number

Definition at line 70 of file mpsinput.h.

Referenced by MPSInput::lineno(), and MPSInput::readLine().

m_max_ignore

const int m_max_ignore = 1000

staticprivate

Maximal number of ignored entries for which a warning will be issued.

Definition at line 100 of file mpsinput.h.

m_objname

char m_objname[MAX_LINE_LEN]

private

objective name

Definition at line 92 of file mpsinput.h.

Referenced by MPSInput::objName().

m_objsense

Sense m_objsense

private

objctive sense (maximization or minimization)

Definition at line 72 of file mpsinput.h.

Referenced by MPSInput::objSense().

m_probname

char m_probname[MAX_LINE_LEN]

private

problem name

Definition at line 90 of file mpsinput.h.

Referenced by MPSInput::probName().

m_section

Section m_section

private

Definition at line 66 of file mpsinput.h.

Referenced by MPSInput::readLine(), and MPSInput::section().