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SCIP Doxygen Documentation: reader_lp.c Source File

assert(lpinput !=

);

(

, lpinput->linenumber, lpinput->token, msg);

( lpinput->linebuf[lpinput->linebufsize - 1] ==

)

(void)

(formatstr, 256,

, lpinput->linepos);

lpinput->section =

;

lpinput->haserror =

;

assert(lpinput !=

);

lpinput->haserror;

assert(hasdot !=

);

assert(exptype !=

);

( isdigit((

)c) )

( (*exptype ==

) && !(*hasdot) && (c ==

) && ( isdigit((

)nextc) || isspace((

)nextc) || nextc ==

|| nextc ==

) )

( !firstchar && (*exptype ==

) && (c ==

|| c ==

) )

( nextc ==

|| nextc ==

)

( isdigit((

)nextc) )

( (*exptype ==

) && (c ==

|| c ==

) )

assert(lpinput !=

);

lpinput->linepos = 0;

lpinput->linebuf[lpinput->linebufsize - 2] =

;

(

(lpinput->linebuf, lpinput->linebufsize, lpinput->file) ==

)

lpinput->linenumber++;

( lpinput->linebuf[lpinput->linebufsize - 2] !=

)

lpinput->linebuf[newsize-2] =

;

(

(lpinput->linebuf + lpinput->linebufsize - 1, newsize - lpinput->linebufsize + 1, lpinput->file) ==

)

lpinput->linebufsize = newsize;

lpinput->linebuf[lpinput->linebufsize - 1] =

;

commentstart = strchr(lpinput->linebuf,

[i]);

( commentstart !=

)

*commentstart =

;

*(commentstart+1) =

;

*pointer1 = *pointer2;

assert(lpinput !=

);

assert(lpinput->linepos < lpinput->linebufsize);

( lpinput->npushedtokens > 0 )

(&lpinput->token, &lpinput->pushedtokens[lpinput->npushedtokens-1]);

lpinput->npushedtokens--;

(

,

, lpinput->linenumber, lpinput->token);

buf = lpinput->linebuf;

( buf[lpinput->linepos] ==

)

lpinput->section =

;

assert(lpinput->linepos == 0);

buf = lpinput->linebuf;

assert(lpinput->linepos < lpinput->linebufsize);

(

(buf[lpinput->linepos], buf[lpinput->linepos+1],

, &hasdot, &exptype) )

lpinput->token[tokenlen] = buf[lpinput->linepos];

(

(buf[lpinput->linepos], buf[lpinput->linepos+1],

, &hasdot, &exptype) );

lpinput->token[tokenlen] = buf[lpinput->linepos];

( tokenlen == 1 &&

(lpinput->token[0]) )

( tokenlen >= 1 && lpinput->token[tokenlen-1] ==

&& buf[lpinput->linepos] ==

)

&& (lpinput->token[tokenlen-1] ==

|| lpinput->token[tokenlen-1] ==

|| lpinput->token[tokenlen-1] ==

)

&& buf[lpinput->linepos] ==

)

( lpinput->token[tokenlen-1] ==

&& (buf[lpinput->linepos] ==

|| buf[lpinput->linepos] ==

) )

lpinput->token[tokenlen-1] = buf[lpinput->linepos];

lpinput->token[tokenlen] =

;

(

,

, lpinput->linenumber, lpinput->token);

assert(lpinput !=

);

(&lpinput->pushedtokens[lpinput->npushedtokens], &lpinput->token);

lpinput->npushedtokens++;

assert(lpinput !=

);

(&lpinput->pushedtokens[lpinput->npushedtokens], &lpinput->tokenbuf);

lpinput->npushedtokens++;

assert(lpinput !=

);

assert(lpinput !=

);

iscolon = (*lpinput->token ==

);

len = strlen(lpinput->token);

( len > 1 && (len < 9 || len == 15) )

( lpinput->token[c] !=

)

token[c] = toupper(lpinput->token[c]);

( (len == 3 && strcmp(token,

) == 0)

|| (len == 7 && strcmp(token,

) == 0)

|| (len == 8 && strcmp(token,

) == 0) )

(

,

, lpinput->linenumber);

( (len == 3 && strcmp(token,

) == 0)

|| (len == 7 && strcmp(token,

) == 0)

|| (len == 8 && strcmp(token,

) == 0) )

(

,

, lpinput->linenumber);

( len == 7 && strcmp(token,

) == 0 )

(

,

, lpinput->linenumber);

lpinput->inlazyconstraints =

;

lpinput->inusercuts =

;

( len == 4 && strcmp(token,

) == 0 )

(

,

, lpinput->linenumber);

lpinput->inlazyconstraints =

;

lpinput->inusercuts =

;

( (len == 2 && strcmp(token,

) == 0)

|| (len == 3 && strcmp(token,

) == 0)

|| (len == 4 && strcmp(token,

) == 0) )

(

,

, lpinput->linenumber);

lpinput->inlazyconstraints =

;

lpinput->inusercuts =

;

( len == 4 && strcmp(token,

) == 0 )

(

,

, lpinput->linenumber);

lpinput->inlazyconstraints =

;

lpinput->inusercuts =

;

( len == 4 && strcmp(token,

) == 0 )

(

,

, lpinput->linenumber);

lpinput->inlazyconstraints =

;

lpinput->inusercuts =

;

( (len == 5 && strcmp(token,

) == 0)

|| (len == 6 && strcmp(token,

) == 0) )

(

,

, lpinput->linenumber);

( (len == 3 && (strcmp(token,

) == 0 || strcmp(token,

) == 0))

|| (len == 7 && (strcmp(token,

) == 0 || strcmp(token,

) == 0))

|| (len == 8 && (strcmp(token,

) == 0 || strcmp(token,

) == 0)) )

(

,

, lpinput->linenumber);

( (len == 3 && strcmp(token,

) == 0)

|| (len == 6 && strcmp(token,

) == 0)

|| (len == 8 && strcmp(token,

) == 0) )

(

,

, lpinput->linenumber);

( (len == 4 && strcmp(token,

) == 0)

|| (len == 5 && strcmp(token,

) == 0)

|| (len == 15 && strcmp(token,

) == 0) )

(

,

, lpinput->linenumber);

( len == 3 && strcmp(token,

) == 0 )

(

,

, lpinput->linenumber);

lpinput->section =

;

( len == 3 && strcmp(token,

) == 0 )

(

,

, lpinput->linenumber);

lpinput->section =

;

assert(lpinput !=

);

assert(sign !=

);

assert(*sign == +1 || *sign == -1);

( lpinput->token[1] ==

)

( *lpinput->token ==

)

( *lpinput->token ==

)

assert(lpinput !=

);

assert(value !=

);

val = strtod(lpinput->token, &endptr);

( endptr != lpinput->token && *endptr ==

)

assert(lpinput !=

);

( strcmp(lpinput->token,

) == 0 )

( strcmp(lpinput->token,

) == 0 )

( strcmp(lpinput->token,

) == 0 )

assert(name !=

);

assert(var !=

);

initial = !dynamiccols;

removable = dynamiccols;

( created !=

)

( created !=

)

assert(lpinput !=

);

assert(lpinput !=

);

assert(name !=

);

assert(coefssize !=

);

assert(vars !=

);

assert(coefs !=

);

assert(ncoefs !=

);

assert(quadcoefssize !=

);

assert(quadvars1 !=

);

assert(quadvars2 !=

);

assert(quadcoefs !=

);

assert(nquadcoefs !=

);

assert(!isobjective || objoffset !=

);

assert(newsection !=

);

*newsection =

;

assert(objoffset !=

);

( strcmp(lpinput->token,

) == 0 )

(

,

, lpinput->linenumber, name);

firstquadvar =

;

( lpinput->token[1] ==

&& ( *lpinput->token ==

|| *lpinput->token ==

) )

( isobjective && havevalue && var ==

)

assert( objoffset !=

);

(

,

, lpinput->linenumber, coefsign * coef);

haveobjoffset =

;

*objoffset = coefsign * coef;

(

(lpinput, &coefsign) )

(

,

, lpinput->linenumber, coefsign);

(

,

, lpinput->linenumber, coef, coefsign);

(

, lpinput,

);

(

, lpinput,

);

( (isobjective || (!havevalue && !havesign)) && !inquadpart &&

(

, lpinput) )

( havesign && !havevalue )

(

,

, coefsign == 1 ?

:

);

( isobjective && havevalue && !

(

, coef) )

assert( objoffset !=

);

( haveobjoffset )

(

,

, lpinput->linenumber, coefsign * coef);

*objoffset = coefsign * coef;

*newsection =

;

( *lpinput->token ==

)

(

, lpinput,

);

( havesign && coefsign != +1 )

(

, lpinput,

);

(

, lpinput,

);

(

,

, lpinput->linenumber);

( *lpinput->token ==

)

(

, lpinput,

);

( havesign || havevalue || firstquadvar !=

)

( firstquadvar ==

)

(

, lpinput,

);

(

, lpinput,

);

(

,

, lpinput->linenumber);

inquadpart =

;

(

, lpinput,

);

( strcmp(lpinput->token,

) == 0 )

(

,

, lpinput->linenumber);

( *lpinput->token ==

)

(

, lpinput,

);

(

,

, lpinput->linenumber);

(

, lpinput,

);

( *lpinput->token ==

)

(

, lpinput,

);

( firstquadvar ==

)

(

, lpinput,

);

( !inquadpart && *ncoefs > 0 && !havesign )

(

, lpinput,

);

( inquadpart && *nquadcoefs > 0 && !havesign )

( *lpinput->token ==

)

(

, lpinput,

);

( firstquadvar ==

)

(

, lpinput,

);

( *ncoefs >= *coefssize )

oldcoefssize = *coefssize;

*coefssize =

(*coefssize, (*ncoefs)+1);

assert(*ncoefs < *coefssize);

(*vars)[*ncoefs] = var;

(*coefs)[*ncoefs] = coefsign * coef;

( firstquadvar ==

)

( *nquadcoefs >= *quadcoefssize )

oldquadcoefssize;

oldquadcoefssize = *quadcoefssize;

*quadcoefssize *= 2;

*quadcoefssize =

(*quadcoefssize, (*nquadcoefs)+1);

assert(*nquadcoefs < *quadcoefssize);

(*quadvars1)[*nquadcoefs] = firstquadvar;

(*quadvars2)[*nquadcoefs] = var;

(*quadcoefs)[*nquadcoefs] = coefsign * coef;

(*quadcoefs)[*nquadcoefs] /= 2.0;

firstquadvar =

;

assert(lpinput !=

);

&quadcoefssize, &quadvars1, &quadvars2, &quadcoefs, &nquadcoefs, &objoffset, &newsection) );

( i = 0; i < ncoefs; ++i )

assert(vars !=

);

assert(coefs !=

);

( nquadcoefs > 0 )

(

(

, &quadobjcons,

, 1, &quadobjvar, &minusone, nquadcoefs, quadvars1, quadvars2, quadcoefs, lhs, rhs,

assert( lpinput !=

);

assert( binvar !=

);

(

, lpinput,

);

assert( binvar !=

);

&quadcoefssize, &quadvars1, &quadvars2, &quadcoefs, &nquadcoefs,

, &newsection) );

( nquadcoefs > 0 )

(

, lpinput,

);

( name2[0] !=

)

(

, lpinput,

);

( !

(lpinput, &linsense) )

(

, lpinput,

);

(

(lpinput, &linsidesign) )

(

, lpinput,

);

linsidevalue *= linsidesign;

linrhs = -linsidevalue;

( j = 0; j < nlincoefs; ++j )

linrhs = linsidevalue;

linrhs = linsidevalue;

assert(lincoefs !=

);

initial = lpinput->initialconss && !lpinput->inlazyconstraints && !lpinput->inusercuts;

enforce = !lpinput->inusercuts;

check = !lpinput->inusercuts;

dynamic = lpinput->dynamicconss;

removable = lpinput->dynamicrows || lpinput->inusercuts;

initial, separate, enforce, check, propagate, local, dynamic, removable,

);

(

,

, lpinput->linenumber,

lpinput->inlazyconstraints ?

: (lpinput->inusercuts ?

:

));

( j = 0; j < nlincoefs; ++j )

initial, separate, enforce, check, propagate, local, dynamic, removable,

);

(

,

, lpinput->linenumber,

lpinput->inlazyconstraints ?

: (lpinput->inusercuts ?

:

));

assert(lpinput !=

);

&quadcoefssize, &quadvars1, &quadvars2, &quadcoefs, &nquadcoefs,

, &newsection) );

( ncoefs > 0 || nquadcoefs > 0 )

(

, lpinput,

);

( !

(lpinput, &sense) )

(

, lpinput,

);

(

(lpinput, &sidesign) )

sidevalue *= sidesign;

isIndicatorCons =

;

( *lpinput->token ==

)

linepos = lpinput->linepos-1;

( *lpinput->token ==

)

( *lpinput->token ==

)

lpinput->linepos = linepos;

);

lpinput->linepos = linepos;

( *lpinput->token ==

)

( *lpinput->token ==

)

isIndicatorCons =

;

( !isIndicatorCons )

initial = lpinput->initialconss && !lpinput->inlazyconstraints && !lpinput->inusercuts;

enforce = !lpinput->inusercuts;

check = !lpinput->inusercuts;

modifiable =

;

dynamic = lpinput->dynamicconss;

removable = lpinput->dynamicrows || lpinput->inusercuts;

( nquadcoefs == 0 )

initial, separate, enforce, check, propagate, local, modifiable, dynamic, removable,

);

nquadcoefs, quadvars1, quadvars2, quadcoefs, lhs, rhs,

initial, separate, enforce, check, propagate, local, modifiable, dynamic, removable);

(

,

, lpinput->linenumber,

lpinput->inlazyconstraints ?

: (lpinput->inusercuts ?

:

));

( ncoefs != 1 || nquadcoefs > 0 )

(

, lpinput,

);

assert(coefs !=

);

(

, lpinput,

);

(

, lpinput,

);

assert(vars !=

);

assert(lpinput !=

);

hassign =

(lpinput, &sign);

(

, lpinput,

);

( leftsense )

(

(lpinput, &rightsense) )

hassign =

(lpinput, &sign);

( rightsense )

(

, lpinput,

);

assert(lpinput !=

);

(

, lpinput,

);

(

,

,

(var), lb, ub);

assert(lpinput !=

);

(

, lpinput,

);

assert(lpinput !=

);

(

, lpinput,

);

(

, lpinput,

);

initial, separate, enforce, check, propagate;

assert(lpinput !=

);

initial = lpinput->initialconss;

dynamic = lpinput->dynamicconss;

removable = lpinput->dynamicrows;

( strcmp(lpinput->token,

) == 0 )

(

, lpinput,

);

( strcmp(lpinput->token,

) == 0 )

lpinput->token[0] =

;

lpinput->token[1] =

;

( strcmp(lpinput->token,

) == 0 )

(

(

, &cons, name, 0,

,

, initial, separate, enforce, check, propagate,

local, dynamic, removable,

) );

( strcmp(lpinput->token,

) == 0 )

(

(

, &cons, name, 0,

,

, initial, separate, enforce, check, propagate,

local, dynamic, removable,

) );

(

, lpinput,

);

assert( type == 1 || type == 2 );

( !

(

, lpinput) || strcmp(lpinput->token,

) != 0 )

(

, lpinput,

);

( !

(

, lpinput) || strcmp(lpinput->token,

) != 0 )

(

, lpinput,

);

( !

(

, lpinput) || strcmp(lpinput->token,

) != 0 )

(

(lpinput, &sign) )

* filename

assert(lpinput !=

);

lpinput->file =

(filename,

);

( lpinput->file ==

)

( lpinput->section )

assert(vars !=

);

assert(nvars !=

);

assert(*vars !=

|| *nvars == 0);

assert(constant !=

);

( requiredsize > *nvars )

assert( requiredsize <= *nvars );

( v = 0; v < *nvars; ++v )

*constant += (*scalars)[v];

(*scalars)[v] *= -1.0;

assert( linebuffer !=

);

assert( linecnt !=

);

linebuffer[0] =

;

assert( linebuffer !=

);

assert( linecnt !=

);

( (*linecnt) > 0 )

linebuffer[(*linecnt)] =

;

* extension

assert( linebuffer !=

);

assert( linecnt !=

);

assert( extension !=

);

(void) strncat(linebuffer, extension,

- strlen(linebuffer));

(*linecnt) += (int) strlen(extension);

(

,

, linebuffer, (

)strlen(linebuffer));

* rowname,

* rownameextension,

assert( strcmp(type,

) == 0 || strcmp(type,

) == 0 || strcmp(type,

) == 0 );

assert( nlinvars == 0 || (linvars !=

&& linvals !=

) );

( strlen(rowname) > 0 || strlen(rownameextension) > 0 )

( v = 0; v < nlinvars; ++v )

assert(linvars !=

);

assert(linvals !=

);

assert( var !=

);

( quadexpr !=

)

nbilinexprterms;

nactivevars = nlinexprs;

( v = 0; v < nlinexprs; ++v )

assert(linexprs !=

&& linexprs[v] !=

);

assert(activevars[v] !=

);

constant += activeconstant;

( v = 0; v < nactivevars; ++v )

assert(activevars !=

);

assert(activevals !=

);

var = activevars[v];

assert( var !=

);

( v = 0; v < nquadexprs; ++v )

assert(expr !=

);

assert(var !=

);

( lincoef == 0.0 )

( v = 0; v < nquadexprs; ++v )

assert(expr !=

);

assert(var !=

);

( sqrcoef == 0.0 )

( v = 0; v < nbilinexprterms; ++v )

assert(expr1 !=

);

assert(expr2 !=

);

assert(var1 !=

);

assert(var2 !=

);

* rowname,

assert( rowname !=

);

assert( quadexpr ==

|| nlinvars == 0);

assert( nlinvars == 0 || linvars !=

);

assert( lhs <= rhs );

nactivevars = nlinvars;

( linvals !=

)

( v = 0; v < nactivevars; ++v )

activevals[v] = 1.0;

(

(

, file, rowname,

,

, activevars, activevals, nactivevars, quadexpr,

rhs - activeconstant, transformed) );

nactivevars, quadexpr, lhs - activeconstant, transformed) );

nactivevars, quadexpr, rhs - activeconstant, transformed) );

* rowname,

assert( file !=

);

assert( type == 1 || type == 2 );

( strlen(rowname) > 0 )

( v = 0; v < nvars; ++v )

( weights !=

)

* consname,

assert(consname !=

);

assert(cons !=

);

( !aggrlinearizationands )

vars[0] = resultant;

( v = 0; v < nvars; ++v )

vars[1] = operands[v];

( v = nvars - 1; v >= 0; --v )

vars[v] = operands[v];

vars[nvars] = resultant;

( aggrlinearizationands )

assert( aggvars !=

);

assert( naggvars !=

);

assert( saggvars !=

);

( v = 0; v < nvars; ++v )

assert( varAggregated !=

);

( *saggvars <= *naggvars )

assert( newsize > *saggvars );

*saggvars = newsize;

(*aggvars)[*naggvars] = var;

assert( *naggvars <= *saggvars );

nAggregatedVars,

( j = 0; j < nAggregatedVars; ++j )

activevars[0] = aggregatedVars[j];

activevals[0] = 1.0;

activeconstant = 0.0;

activevals[nactivevars] = -1.0;

activevars[nactivevars] = aggregatedVars[j];

(

(

, file, consname,

,

, activevars, activevals, nactivevars,

, - activeconstant,

assert(vars !=

|| nvars == 0);

printwarning =

;

( v = 0; v < nvars; ++v )

(

,

,

( printwarning && isdigit((

)

(vars[v])[0]) )

\

);

printwarning =

;

* conshdlrname;

assert( conss !=

|| nconss == 0 );

( c = 0; c < nconss; ++c )

assert(conss !=

);

assert(cons !=

);

assert( conshdlr !=

);

( strcmp(conshdlrname,

) == 0 )

( printwarning && isdigit((

)

(cons)[0]) )

\

);

printwarning =

;

assert(reader !=

);

assert(readerdata !=

);

assert(reader !=

);

nvars, nbinvars, nintvars, nimplvars, ncontvars, conss, nconss, result) );

,

,

,

,

* filename,

assert(reader !=

);

lpinput.file =

;

lpinput.linebuf[0] =

;

lpinput.probname[0] =

;

lpinput.objname[0] =

;

lpinput.token[0] =

;

lpinput.tokenbuf[0] =

;

lpinput.npushedtokens = 0;

lpinput.linenumber = 0;

lpinput.linepos = 0;

lpinput.inlazyconstraints =

;

lpinput.inusercuts =

;

lpinput.haserror =

;

( lpinput.haserror )

* conshdlrname;

nConsIndicator = 0;

( conshdlrInd !=

)

( c = 0; c < nConsInd; ++c )

assert( consInd[c] !=

);

( c = 0; c < nconss; ++c )

assert( cons !=

);

assert( conshdlr !=

);

( strcmp(conshdlrname,

) == 0 )

assert( lincons !=

);

(

, file,

,

nvars, nbinvars, nintvars, nimplvars, ncontvars);

( v = 0; v < nvars; ++v )

( ! transformed )

( zeroobj && nvars >= 1 )

( reader !=

)

assert(readerdata !=

);

linearizeands = readerdata->linearizeands;

aggrlinearizationands = readerdata->aggrlinearizationands;

( c = 0; c < nconss; ++c )

assert( cons !=

);

assert( conshdlr !=

);

( strcmp(conshdlrname,

) == 0 )

( strcmp(conshdlrname,

) == 0 )

consvars,

, nconsvars,

, 1.0, 1.0, transformed) );

( strcmp(conshdlrname,

) == 0 )

( strcmp(conshdlrname,

) == 0 )

( v = 0; v < nconsvars; ++v )

( strcmp(conshdlrname,

) == 0 )

( strcmp(conshdlrname,

) == 0 )

consSOS1[nConsSOS1++] = cons;

( strcmp(conshdlrname,

) == 0 )

consSOS2[nConsSOS2++] = cons;

( strcmp(conshdlrname,

) == 0 )

assert( conshdlrInd !=

);

assert( lincons !=

);

assert( binvar !=

);

assert( slackvar !=

);

assert( linvars !=

);

assert( linvals !=

);

( strlen(consname) > 0 )

( v = 0; v < nlinvars; ++v )

( var != slackvar )

consvars[cnt] = var;

consvals[cnt++] = linvals[v];

consIndicator[nConsIndicator++] = cons;

( strcmp(conshdlrname,

) == 0 )

consExpr[nConsExpr++] = cons;

( strcmp(conshdlrname,

) == 0 )

( linearizeands )

saggvars =

(10, nvars);

( c = 0; c < nConsSOS1; ++c )

( c = 0; c < nConsSOS2; ++c )

( c = 0; c < nConsExpr; ++c )

( ntmpvars > tmpvarssize )

( c = 0; c < nConsIndicator; ++c )

cons = consIndicator[c];

( v = 0; v < nvars; ++v )

assert( var !=

);

( v = 0; v < naggvars; ++v )

assert( var !=

);

( v = 0; v < nvars; ++v )

assert( var !=

);

( v = 0; v < naggvars; ++v )

assert( var !=

);

( v = 0; v < nvars; ++v )

assert( var !=

);

( v = 0; v < naggvars; ++v )

assert( var !=

);

( conshdlrInd !=

)

( nConsSOS1 > 0 || nConsSOS2 > 0 )

( c = 0; c < nConsSOS1; ++c )

( c = 0; c < nConsSOS2; ++c )

Constraint handler for AND constraints, .

constraint handler for bound disjunction constraints

constraint handler for indicator constraints

Constraint handler for knapsack constraints of the form , x binary and .

Constraint handler for linear constraints in their most general form, .

Constraint handler for logicor constraints (equivalent to set covering, but algorithms are suited fo...

constraint handler for nonlinear constraints specified by algebraic expressions

Constraint handler for the set partitioning / packing / covering constraints .

constraint handler for SOS type 1 constraints

constraint handler for SOS type 2 constraints

Constraint handler for variable bound constraints .

#define SCIP_CALL_ABORT(x)

SCIP_FILE * SCIPfopen(const char *path, const char *mode)

int SCIPfclose(SCIP_FILE *fp)

char * SCIPfgets(char *s, int size, SCIP_FILE *stream)

SCIP_RETCODE SCIPcheckQuadraticNonlinear(SCIP *scip, SCIP_CONS *cons, SCIP_Bool *isquadratic)

int SCIPgetNVarsKnapsack(SCIP *scip, SCIP_CONS *cons)

SCIP_Real SCIPgetVbdcoefVarbound(SCIP *scip, SCIP_CONS *cons)

int SCIPgetNVarsLogicor(SCIP *scip, SCIP_CONS *cons)

SCIP_Real SCIPgetRhsLinear(SCIP *scip, SCIP_CONS *cons)

SCIP_VAR ** SCIPgetVarsLinear(SCIP *scip, SCIP_CONS *cons)

SCIP_Real * SCIPgetWeightsSOS2(SCIP *scip, SCIP_CONS *cons)

SCIP_VAR ** SCIPgetVarsSOS2(SCIP *scip, SCIP_CONS *cons)

SCIP_Real SCIPgetLhsLinear(SCIP *scip, SCIP_CONS *cons)

int SCIPgetNVarsLinear(SCIP *scip, SCIP_CONS *cons)

SCIP_VAR * SCIPgetResultantAnd(SCIP *scip, SCIP_CONS *cons)

SCIP_RETCODE SCIPaddVarSOS1(SCIP *scip, SCIP_CONS *cons, SCIP_VAR *var, SCIP_Real weight)

SCIP_RETCODE SCIPcreateConsBounddisjunction(SCIP *scip, SCIP_CONS **cons, const char *name, int nvars, SCIP_VAR **vars, SCIP_BOUNDTYPE *boundtypes, SCIP_Real *bounds, SCIP_Bool initial, SCIP_Bool separate, SCIP_Bool enforce, SCIP_Bool check, SCIP_Bool propagate, SCIP_Bool local, SCIP_Bool modifiable, SCIP_Bool dynamic, SCIP_Bool removable, SCIP_Bool stickingatnode)

SCIP_RETCODE SCIPcreateConsIndicator(SCIP *scip, SCIP_CONS **cons, const char *name, SCIP_VAR *binvar, int nvars, SCIP_VAR **vars, SCIP_Real *vals, SCIP_Real rhs, SCIP_Bool initial, SCIP_Bool separate, SCIP_Bool enforce, SCIP_Bool check, SCIP_Bool propagate, SCIP_Bool local, SCIP_Bool dynamic, SCIP_Bool removable, SCIP_Bool stickingatnode)

int SCIPgetNVarsAnd(SCIP *scip, SCIP_CONS *cons)

SCIP_Real * SCIPgetValsLinear(SCIP *scip, SCIP_CONS *cons)

SCIP_RETCODE SCIPcreateConsSOS1(SCIP *scip, SCIP_CONS **cons, const char *name, int nvars, SCIP_VAR **vars, SCIP_Real *weights, SCIP_Bool initial, SCIP_Bool separate, SCIP_Bool enforce, SCIP_Bool check, SCIP_Bool propagate, SCIP_Bool local, SCIP_Bool dynamic, SCIP_Bool removable, SCIP_Bool stickingatnode)

SCIP_VAR * SCIPgetVbdvarVarbound(SCIP *scip, SCIP_CONS *cons)

int SCIPgetNVarsSetppc(SCIP *scip, SCIP_CONS *cons)

int SCIPgetNVarsSOS2(SCIP *scip, SCIP_CONS *cons)

SCIP_Real * SCIPgetWeightsSOS1(SCIP *scip, SCIP_CONS *cons)

SCIP_VAR ** SCIPgetVarsSetppc(SCIP *scip, SCIP_CONS *cons)

SCIP_EXPR * SCIPgetExprNonlinear(SCIP_CONS *cons)

SCIP_Real SCIPgetRhsNonlinear(SCIP_CONS *cons)

SCIP_VAR * SCIPgetBinaryVarIndicator(SCIP_CONS *cons)

SCIP_VAR * SCIPgetVarVarbound(SCIP *scip, SCIP_CONS *cons)

SCIP_Longint * SCIPgetWeightsKnapsack(SCIP *scip, SCIP_CONS *cons)

SCIP_VAR * SCIPgetSlackVarIndicator(SCIP_CONS *cons)

SCIP_Longint SCIPgetCapacityKnapsack(SCIP *scip, SCIP_CONS *cons)

SCIP_Real SCIPgetLhsVarbound(SCIP *scip, SCIP_CONS *cons)

SCIP_SETPPCTYPE SCIPgetTypeSetppc(SCIP *scip, SCIP_CONS *cons)

SCIP_CONS * SCIPgetLinearConsIndicator(SCIP_CONS *cons)

SCIP_RETCODE SCIPcreateConsSOS2(SCIP *scip, SCIP_CONS **cons, const char *name, int nvars, SCIP_VAR **vars, SCIP_Real *weights, SCIP_Bool initial, SCIP_Bool separate, SCIP_Bool enforce, SCIP_Bool check, SCIP_Bool propagate, SCIP_Bool local, SCIP_Bool dynamic, SCIP_Bool removable, SCIP_Bool stickingatnode)

SCIP_RETCODE SCIPcreateConsLinear(SCIP *scip, SCIP_CONS **cons, const char *name, int nvars, SCIP_VAR **vars, SCIP_Real *vals, SCIP_Real lhs, SCIP_Real rhs, SCIP_Bool initial, SCIP_Bool separate, SCIP_Bool enforce, SCIP_Bool check, SCIP_Bool propagate, SCIP_Bool local, SCIP_Bool modifiable, SCIP_Bool dynamic, SCIP_Bool removable, SCIP_Bool stickingatnode)

SCIP_VAR ** SCIPgetVarsSOS1(SCIP *scip, SCIP_CONS *cons)

SCIP_VAR ** SCIPgetVarsLogicor(SCIP *scip, SCIP_CONS *cons)

SCIP_Real SCIPgetRhsVarbound(SCIP *scip, SCIP_CONS *cons)

SCIP_VAR ** SCIPgetVarsAnd(SCIP *scip, SCIP_CONS *cons)

SCIP_VAR ** SCIPgetVarsKnapsack(SCIP *scip, SCIP_CONS *cons)

SCIP_RETCODE SCIPcreateConsQuadraticNonlinear(SCIP *scip, SCIP_CONS **cons, const char *name, int nlinvars, SCIP_VAR **linvars, SCIP_Real *lincoefs, int nquadterms, SCIP_VAR **quadvars1, SCIP_VAR **quadvars2, SCIP_Real *quadcoefs, SCIP_Real lhs, SCIP_Real rhs, SCIP_Bool initial, SCIP_Bool separate, SCIP_Bool enforce, SCIP_Bool check, SCIP_Bool propagate, SCIP_Bool local, SCIP_Bool modifiable, SCIP_Bool dynamic, SCIP_Bool removable)

int SCIPgetNVarsSOS1(SCIP *scip, SCIP_CONS *cons)

SCIP_Real SCIPgetLhsNonlinear(SCIP_CONS *cons)

SCIP_RETCODE SCIPaddVarSOS2(SCIP *scip, SCIP_CONS *cons, SCIP_VAR *var, SCIP_Real weight)

@ SCIP_SETPPCTYPE_PARTITIONING

@ SCIP_SETPPCTYPE_COVERING

@ SCIP_SETPPCTYPE_PACKING

SCIP_RETCODE SCIPreadLp(SCIP *scip, SCIP_READER *reader, const char *filename, SCIP_RESULT *result)

SCIP_RETCODE SCIPwriteLp(SCIP *scip, FILE *file, const char *name, SCIP_Bool transformed, SCIP_OBJSENSE objsense, SCIP_Real objscale, SCIP_Real objoffset, SCIP_VAR **vars, int nvars, int nbinvars, int nintvars, int nimplvars, int ncontvars, SCIP_CONS **conss, int nconss, SCIP_RESULT *result)

SCIP_RETCODE SCIPincludeReaderLp(SCIP *scip)

SCIP_RETCODE SCIPaddVar(SCIP *scip, SCIP_VAR *var)

SCIP_RETCODE SCIPaddCons(SCIP *scip, SCIP_CONS *cons)

SCIP_RETCODE SCIPsetObjsense(SCIP *scip, SCIP_OBJSENSE objsense)

SCIP_RETCODE SCIPaddOrigObjoffset(SCIP *scip, SCIP_Real addval)

SCIP_RETCODE SCIPcreateProb(SCIP *scip, const char *name, SCIP_DECL_PROBDELORIG((*probdelorig)), SCIP_DECL_PROBTRANS((*probtrans)), SCIP_DECL_PROBDELTRANS((*probdeltrans)), SCIP_DECL_PROBINITSOL((*probinitsol)), SCIP_DECL_PROBEXITSOL((*probexitsol)), SCIP_DECL_PROBCOPY((*probcopy)), SCIP_PROBDATA *probdata)

int SCIPgetNTotalVars(SCIP *scip)

SCIP_VAR * SCIPfindVar(SCIP *scip, const char *name)

void SCIPhashmapFree(SCIP_HASHMAP **hashmap)

SCIP_RETCODE SCIPhashmapSetImage(SCIP_HASHMAP *hashmap, void *origin, void *image)

SCIP_RETCODE SCIPhashmapCreate(SCIP_HASHMAP **hashmap, BMS_BLKMEM *blkmem, int mapsize)

SCIP_Bool SCIPhashmapExists(SCIP_HASHMAP *hashmap, void *origin)

void SCIPhashtableFree(SCIP_HASHTABLE **hashtable)

SCIP_Bool SCIPhashtableExists(SCIP_HASHTABLE *hashtable, void *element)

SCIP_RETCODE SCIPhashtableCreate(SCIP_HASHTABLE **hashtable, BMS_BLKMEM *blkmem, int tablesize, SCIP_DECL_HASHGETKEY((*hashgetkey)), SCIP_DECL_HASHKEYEQ((*hashkeyeq)), SCIP_DECL_HASHKEYVAL((*hashkeyval)), void *userptr)

SCIP_RETCODE SCIPhashtableInsert(SCIP_HASHTABLE *hashtable, void *element)

void SCIPinfoMessage(SCIP *scip, FILE *file, const char *formatstr,...)

void SCIPverbMessage(SCIP *scip, SCIP_VERBLEVEL msgverblevel, FILE *file, const char *formatstr,...)

void SCIPwarningMessage(SCIP *scip, const char *formatstr,...)

SCIP_RETCODE SCIPgetBoolParam(SCIP *scip, const char *name, SCIP_Bool *value)

SCIP_RETCODE SCIPaddBoolParam(SCIP *scip, const char *name, const char *desc, SCIP_Bool *valueptr, SCIP_Bool isadvanced, SCIP_Bool defaultvalue, SCIP_DECL_PARAMCHGD((*paramchgd)), SCIP_PARAMDATA *paramdata)

int SCIPconshdlrGetNConss(SCIP_CONSHDLR *conshdlr)

const char * SCIPconshdlrGetName(SCIP_CONSHDLR *conshdlr)

SCIP_CONSHDLR * SCIPfindConshdlr(SCIP *scip, const char *name)

SCIP_CONS ** SCIPconshdlrGetConss(SCIP_CONSHDLR *conshdlr)

SCIP_RETCODE SCIPgetConsNVars(SCIP *scip, SCIP_CONS *cons, int *nvars, SCIP_Bool *success)

SCIP_CONSHDLR * SCIPconsGetHdlr(SCIP_CONS *cons)

SCIP_RETCODE SCIPprintCons(SCIP *scip, SCIP_CONS *cons, FILE *file)

SCIP_Bool SCIPconsIsDeleted(SCIP_CONS *cons)

SCIP_Bool SCIPconsIsTransformed(SCIP_CONS *cons)

SCIP_RETCODE SCIPgetConsVars(SCIP *scip, SCIP_CONS *cons, SCIP_VAR **vars, int varssize, SCIP_Bool *success)

SCIP_Bool SCIPconsIsEnabled(SCIP_CONS *cons)

const char * SCIPconsGetName(SCIP_CONS *cons)

SCIP_RETCODE SCIPreleaseCons(SCIP *scip, SCIP_CONS **cons)

void SCIPexprGetQuadraticBilinTerm(SCIP_EXPR *expr, int termidx, SCIP_EXPR **expr1, SCIP_EXPR **expr2, SCIP_Real *coef, int *pos2, SCIP_EXPR **prodexpr)

void SCIPexprGetQuadraticData(SCIP_EXPR *expr, SCIP_Real *constant, int *nlinexprs, SCIP_EXPR ***linexprs, SCIP_Real **lincoefs, int *nquadexprs, int *nbilinexprs, SCIP_Real **eigenvalues, SCIP_Real **eigenvectors)

SCIP_Bool SCIPisExprVar(SCIP *scip, SCIP_EXPR *expr)

SCIP_VAR * SCIPgetVarExprVar(SCIP_EXPR *expr)

void SCIPexprGetQuadraticQuadTerm(SCIP_EXPR *quadexpr, int termidx, SCIP_EXPR **expr, SCIP_Real *lincoef, SCIP_Real *sqrcoef, int *nadjbilin, int **adjbilin, SCIP_EXPR **sqrexpr)

#define SCIPfreeBlockMemoryArray(scip, ptr, num)

int SCIPcalcMemGrowSize(SCIP *scip, int num)

#define SCIPallocBufferArray(scip, ptr, num)

#define SCIPreallocBufferArray(scip, ptr, num)

#define SCIPfreeBufferArray(scip, ptr)

#define SCIPduplicateBufferArray(scip, ptr, source, num)

#define SCIPallocBlockMemoryArray(scip, ptr, num)

#define SCIPreallocBlockMemoryArray(scip, ptr, oldnum, newnum)

#define SCIPfreeBlockMemory(scip, ptr)

#define SCIPfreeBlockMemoryArrayNull(scip, ptr, num)

#define SCIPallocBlockMemory(scip, ptr)

SCIP_RETCODE SCIPincludeReaderBasic(SCIP *scip, SCIP_READER **readerptr, const char *name, const char *desc, const char *extension, SCIP_READERDATA *readerdata)

SCIP_RETCODE SCIPsetReaderCopy(SCIP *scip, SCIP_READER *reader, SCIP_DECL_READERCOPY((*readercopy)))

SCIP_READERDATA * SCIPreaderGetData(SCIP_READER *reader)

SCIP_READER * SCIPfindReader(SCIP *scip, const char *name)

SCIP_RETCODE SCIPsetReaderFree(SCIP *scip, SCIP_READER *reader, SCIP_DECL_READERFREE((*readerfree)))

const char * SCIPreaderGetName(SCIP_READER *reader)

SCIP_RETCODE SCIPsetReaderRead(SCIP *scip, SCIP_READER *reader, SCIP_DECL_READERREAD((*readerread)))

SCIP_RETCODE SCIPsetReaderWrite(SCIP *scip, SCIP_READER *reader, SCIP_DECL_READERWRITE((*readerwrite)))

SCIP_Real SCIPinfinity(SCIP *scip)

SCIP_Bool SCIPisFeasEQ(SCIP *scip, SCIP_Real val1, SCIP_Real val2)

SCIP_Bool SCIPisFeasZero(SCIP *scip, SCIP_Real val)

SCIP_Bool SCIPisInfinity(SCIP *scip, SCIP_Real val)

SCIP_Bool SCIPisFeasIntegral(SCIP *scip, SCIP_Real val)

SCIP_Bool SCIPisEQ(SCIP *scip, SCIP_Real val1, SCIP_Real val2)

SCIP_Bool SCIPisZero(SCIP *scip, SCIP_Real val)

SCIP_RETCODE SCIPgetProbvarLinearSum(SCIP *scip, SCIP_VAR **vars, SCIP_Real *scalars, int *nvars, int varssize, SCIP_Real *constant, int *requiredsize, SCIP_Bool mergemultiples)

SCIP_RETCODE SCIPvarGetOrigvarSum(SCIP_VAR **var, SCIP_Real *scalar, SCIP_Real *constant)

SCIP_VAR * SCIPvarGetNegatedVar(SCIP_VAR *var)

SCIP_RETCODE SCIPchgVarLb(SCIP *scip, SCIP_VAR *var, SCIP_Real newbound)

SCIP_VARSTATUS SCIPvarGetStatus(SCIP_VAR *var)

SCIP_Real SCIPvarGetUbLocal(SCIP_VAR *var)

SCIP_Real SCIPvarGetLbOriginal(SCIP_VAR *var)

SCIP_RETCODE SCIPchgVarUb(SCIP *scip, SCIP_VAR *var, SCIP_Real newbound)

SCIP_Real SCIPvarGetObj(SCIP_VAR *var)

SCIP_VARTYPE SCIPvarGetType(SCIP_VAR *var)

SCIP_Real SCIPvarGetUbGlobal(SCIP_VAR *var)

int SCIPvarGetIndex(SCIP_VAR *var)

const char * SCIPvarGetName(SCIP_VAR *var)

SCIP_Real SCIPvarGetUbOriginal(SCIP_VAR *var)

SCIP_RETCODE SCIPreleaseVar(SCIP *scip, SCIP_VAR **var)

SCIP_RETCODE SCIPchgVarType(SCIP *scip, SCIP_VAR *var, SCIP_VARTYPE vartype, SCIP_Bool *infeasible)

SCIP_RETCODE SCIPgetNegatedVar(SCIP *scip, SCIP_VAR *var, SCIP_VAR **negvar)

SCIP_Real SCIPvarGetLbLocal(SCIP_VAR *var)

SCIP_Bool SCIPvarIsNegated(SCIP_VAR *var)

SCIP_RETCODE SCIPcreateVar(SCIP *scip, SCIP_VAR **var, const char *name, SCIP_Real lb, SCIP_Real ub, SCIP_Real obj, SCIP_VARTYPE vartype, SCIP_Bool initial, SCIP_Bool removable, SCIP_DECL_VARDELORIG((*vardelorig)), SCIP_DECL_VARTRANS((*vartrans)), SCIP_DECL_VARDELTRANS((*vardeltrans)), SCIP_DECL_VARCOPY((*varcopy)), SCIP_VARDATA *vardata)

SCIP_Real SCIPvarGetLbGlobal(SCIP_VAR *var)

SCIP_RETCODE SCIPchgVarObj(SCIP *scip, SCIP_VAR *var, SCIP_Real newobj)

int SCIPstrcasecmp(const char *s1, const char *s2)

int SCIPsnprintf(char *t, int len, const char *s,...)

void SCIPprintSysError(const char *message)

int SCIPmemccpy(char *dest, const char *src, char stop, unsigned int cnt)

static const SCIP_Real scalars[]

memory allocation routines

#define BMSclearMemoryArray(ptr, num)

BMS_BLKMEM * SCIPblkmem(SCIP *scip)

public methods for managing constraints

wrapper functions to map file i/o to standard or zlib file i/o

struct SCIP_File SCIP_FILE

public methods for message output

#define SCIPdebugPrintCons(x, y, z)

public data structures and miscellaneous methods

public methods for input file readers

public methods for problem variables

static SCIP_DECL_READERWRITE(readerWriteLp)

static SCIP_RETCODE printAndCons(SCIP *scip, FILE *file, const char *consname, SCIP_CONS *cons, SCIP_Bool aggrlinearizationands, SCIP_Bool transformed)

static SCIP_RETCODE getActiveVariables(SCIP *scip, SCIP_VAR ***vars, SCIP_Real **scalars, int *nvars, SCIP_Real *constant, SCIP_Bool transformed)

#define LP_INIT_COEFSSIZE

static SCIP_DECL_READERCOPY(readerCopyLp)

static SCIP_Bool isSign(LPINPUT *lpinput, int *sign)

static SCIP_Bool isNewSection(SCIP *scip, LPINPUT *lpinput)

#define LP_INIT_QUADCOEFSSIZE

static void clearLine(char *linebuffer, int *linecnt)

static SCIP_Bool hasError(LPINPUT *lpinput)

static void pushToken(LPINPUT *lpinput)

static SCIP_Bool getNextLine(SCIP *scip, LPINPUT *lpinput)

static SCIP_DECL_READERREAD(readerReadLp)

static void swapTokenBuffer(LPINPUT *lpinput)

static SCIP_DECL_HASHGETKEY(hashGetKeyVar)

static SCIP_RETCODE readConstraints(SCIP *scip, LPINPUT *lpinput)

static SCIP_RETCODE readBinaries(SCIP *scip, LPINPUT *lpinput)

static SCIP_RETCODE readSemicontinuous(SCIP *scip, LPINPUT *lpinput)

static SCIP_Bool getNextToken(SCIP *scip, LPINPUT *lpinput)

static void printSosCons(SCIP *scip, FILE *file, const char *rowname, SCIP_VAR **vars, SCIP_Real *weights, int nvars, int type)

static const char commentchars[]

static void checkVarnames(SCIP *scip, SCIP_VAR **vars, int nvars)

static SCIP_Bool isValueChar(char c, char nextc, SCIP_Bool firstchar, SCIP_Bool *hasdot, LPEXPTYPE *exptype)

static SCIP_RETCODE printAggregatedCons(SCIP *scip, FILE *file, SCIP_Bool transformed, int nvars, int nAggregatedVars, SCIP_VAR **aggregatedVars)

static SCIP_RETCODE readGenerals(SCIP *scip, LPINPUT *lpinput)

#define LP_MAX_PUSHEDTOKENS

static SCIP_RETCODE printQuadraticCons(SCIP *scip, FILE *file, const char *rowname, SCIP_VAR **linvars, SCIP_Real *linvals, int nlinvars, SCIP_EXPR *quadexpr, SCIP_Real lhs, SCIP_Real rhs, SCIP_Bool transformed)

static SCIP_RETCODE readObjective(SCIP *scip, LPINPUT *lpinput)

static SCIP_Bool isValue(SCIP *scip, LPINPUT *lpinput, SCIP_Real *value)

static SCIP_RETCODE readSos(SCIP *scip, LPINPUT *lpinput)

static SCIP_RETCODE createIndicatorConstraint(SCIP *scip, LPINPUT *lpinput, const char *name, SCIP_VAR *binvar, SCIP_Real binvalue)

static void syntaxError(SCIP *scip, LPINPUT *lpinput, const char *msg)

static void pushBufferToken(LPINPUT *lpinput)

static void endLine(SCIP *scip, FILE *file, char *linebuffer, int *linecnt)

static SCIP_RETCODE readCoefficients(SCIP *scip, LPINPUT *lpinput, SCIP_Bool isobjective, char *name, int *coefssize, SCIP_VAR ***vars, SCIP_Real **coefs, int *ncoefs, int *quadcoefssize, SCIP_VAR ***quadvars1, SCIP_VAR ***quadvars2, SCIP_Real **quadcoefs, int *nquadcoefs, SCIP_Real *objoffset, SCIP_Bool *newsection)

static SCIP_Bool isSense(LPINPUT *lpinput, LPSENSE *sense)

static SCIP_Bool isDelimChar(char c)

static void swapPointers(char **pointer1, char **pointer2)

static SCIP_DECL_HASHKEYEQ(hashKeyEqVar)

static SCIP_DECL_HASHKEYVAL(hashKeyValVar)

static SCIP_RETCODE readBounds(SCIP *scip, LPINPUT *lpinput)

static SCIP_DECL_READERFREE(readerFreeLp)

#define DEFAULT_AGGRLINEARIZATION_ANDS

static SCIP_RETCODE printRow(SCIP *scip, FILE *file, const char *rowname, const char *rownameextension, const char *type, SCIP_VAR **linvars, SCIP_Real *linvals, int nlinvars, SCIP_EXPR *quadexpr, SCIP_Real rhs, SCIP_Bool transformed)

static SCIP_RETCODE readStart(SCIP *scip, LPINPUT *lpinput)

static SCIP_RETCODE collectAggregatedVars(SCIP *scip, SCIP_VAR **vars, int nvars, SCIP_VAR ***aggvars, int *naggvars, int *saggvars, SCIP_HASHTABLE *varAggregated)

static SCIP_RETCODE readLPFile(SCIP *scip, LPINPUT *lpinput, const char *filename)

static void checkConsnames(SCIP *scip, SCIP_CONS **conss, int nconss, SCIP_Bool transformed)

static void appendLine(SCIP *scip, FILE *file, char *linebuffer, int *linecnt, const char *extension)

static SCIP_RETCODE getVariable(SCIP *scip, char *name, SCIP_VAR **var, SCIP_Bool *created)

#define DEFAULT_LINEARIZE_ANDS

static SCIP_Bool isTokenChar(char c)

public methods for constraint handler plugins and constraints

public methods for memory management

public methods for message handling

public methods for numerical tolerances

public methods for SCIP parameter handling

public methods for global and local (sub)problems

public methods for reader plugins

public methods for SCIP variables

enum SCIP_BoundType SCIP_BOUNDTYPE

enum SCIP_Objsense SCIP_OBJSENSE

struct SCIP_ReaderData SCIP_READERDATA

enum SCIP_Result SCIP_RESULT

enum SCIP_Retcode SCIP_RETCODE

@ SCIP_VARTYPE_CONTINUOUS

@ SCIP_VARSTATUS_ORIGINAL

@ SCIP_VARSTATUS_MULTAGGR

@ SCIP_VARSTATUS_AGGREGATED

enum SCIP_Varstatus SCIP_VARSTATUS

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