#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().

◆ field0()

const char* field0 ( ) const

Definition at line 150 of file mpsinput.h.

References MPSInput::m_f0.

◆ field1()

const char* field1 ( ) const

Definition at line 155 of file mpsinput.h.

References MPSInput::m_f1.

◆ field2()

const char* field2 ( ) const

Definition at line 160 of file mpsinput.h.

References MPSInput::m_f2.

◆ field3()

const char* field3 ( ) const

Definition at line 165 of file mpsinput.h.

References MPSInput::m_f3.

◆ field4()

const char* field4 ( ) const

Definition at line 170 of file mpsinput.h.

References MPSInput::m_f4.

◆ field5()

const char* field5 ( ) const

Definition at line 175 of file mpsinput.h.

References MPSInput::m_f5.

◆ hasError()

bool hasError ( ) const

Definition at line 195 of file mpsinput.h.

References MPSInput::m_has_error.

◆ 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().

◆ isInteger()

bool isInteger ( ) const

Definition at line 200 of file mpsinput.h.

References MPSInput::m_is_integer.

◆ lineno()

int lineno ( ) const

Definition at line 145 of file mpsinput.h.

References MPSInput::m_lineno.

◆ objName()

const char* objName ( ) const

Definition at line 185 of file mpsinput.h.

References MPSInput::m_objname.

◆ objSense()

Sense objSense ( ) const

Definition at line 190 of file mpsinput.h.

References MPSInput::m_objsense.

◆ probName()

const char* probName ( ) const

Definition at line 180 of file mpsinput.h.

References MPSInput::m_probname.

◆ 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().

◆ section()

Section section ( ) const

Definition at line 140 of file mpsinput.h.

References MPSInput::m_section.

◆ setObjName()

void setObjName ( const char * p_objname )

Definition at line 221 of file mpsinput.h.

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

◆ setObjSense()

void setObjSense ( Sense sense )

Definition at line 227 of file mpsinput.h.

◆ setProbName()

void setProbName ( const char * p_probname )

Definition at line 215 of file mpsinput.h.

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

◆ setSection()

void setSection ( Section p_section )

Definition at line 210 of file mpsinput.h.

◆ syntaxError()

void syntaxError ( )

Definition at line 237 of file mpsinput.h.

References MSG_ERROR.

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().

SoPlex

Public Types

Public Member Functions

Private data

Detailed Description

Member Enumeration Documentation

◆ anonymous enum

◆ Section

◆ Sense

Constructor & Destructor Documentation

◆ MPSInput()

◆ ~MPSInput()

Member Function Documentation

◆ entryIgnored()

◆ field0()

◆ field1()

◆ field2()

◆ field3()

◆ field4()

◆ field5()

◆ hasError()

◆ insertName()

◆ isInteger()

◆ lineno()

◆ objName()

◆ objSense()

◆ probName()

◆ readLine()

◆ section()

◆ setObjName()

◆ setObjSense()

◆ setProbName()

◆ setSection()

◆ syntaxError()

Member Data Documentation

◆ m_buf

◆ m_f0

◆ m_f1

◆ m_f2

◆ m_f3

◆ m_f4

◆ m_f5

◆ m_has_error

◆ m_ignored

◆ m_input

◆ m_is_integer

◆ m_is_new_format

◆ m_lineno

◆ m_max_ignore

◆ m_objname

◆ m_objsense

◆ m_probname

◆ m_section