LEMON/LEMON-official Changeset - r1092:2eebc8f7dca5

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Changeset - r1092:2eebc8f7dca5

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r1092:2eebc8f7dca5

Tue, 01 Nov 2011 08:24:30

[Not Reviewed]

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retvari@tmit.bme.hu
retvari@tmit.bme.hu

Fix LpBase::Constr two-side limit bug (#430)

0 2 0

default

2 files changed with 12 insertions and 4 deletions:

lemon/lp_base.h

test/lp_test.cc

↑ Collapse diff ↑

lemon/lp_base.h

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@@ -1601,13 +1601,13 @@
 		  ///Create constraint
 		  ///\relates LpBase::Constr
 		  ///
 		  inline LpBase::Constr operator<=(const LpBase::Expr &e,
 		                                   const LpBase::Expr &f) {
-		    return LpBase::Constr(0, f - e, LpBase::INF);
+		    return LpBase::Constr(0, f - e, LpBase::NaN);
+		  }
 		  ///Create constraint
 		  ///\relates LpBase::Constr
 		  ///
@@ -1619,22 +1619,22 @@
 		  ///Create constraint
 		  ///\relates LpBase::Constr
 		  ///
 		  inline LpBase::Constr operator<=(const LpBase::Expr &e,
 		                                   const LpBase::Value &f) {
-		    return LpBase::Constr(- LpBase::INF, e, f);
+		    return LpBase::Constr(LpBase::NaN, e, f);
+		  }
 		  ///Create constraint
 		  ///\relates LpBase::Constr
 		  ///
 		  inline LpBase::Constr operator>=(const LpBase::Expr &e,
 		                                   const LpBase::Expr &f) {
-		    return LpBase::Constr(0, e - f, LpBase::INF);
+		    return LpBase::Constr(0, e - f, LpBase::NaN);
+		  }
 		  ///Create constraint
 		  ///\relates LpBase::Constr
@@ -1648,13 +1648,13 @@
 		  ///Create constraint
 		  ///\relates LpBase::Constr
 		  ///
 		  inline LpBase::Constr operator>=(const LpBase::Expr &e,
 		                                   const LpBase::Value &f) {
-		    return LpBase::Constr(f, e, LpBase::INF);
+		    return LpBase::Constr(f, e, LpBase::NaN);
+		  }
 		  ///Create constraint
 		  ///\relates LpBase::Constr
 		  ///

test/lp_test.cc

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@@ -163,12 +163,20 @@
 		    c = ((2 <= e) <= 3);
 		    c = ((2 <= p1) <= 3);
 		    c = ((2 >= e) >= 3);
 		    c = ((2 >= p1) >= 3);
 		    { //Tests for #430
 		      LP::Col v=lp.addCol();
 		      LP::Constr c = v >= -3;
 		      c = c <= 4;
 		      LP::Constr c2;
 		      c2 = -3 <= v <= 4;
+		    }
 		    e[x[3]]=2;
 		    e[x[3]]=4;
 		    e[x[3]]=1;
 		    *e=12;
 		    lp.addRow(-LP::INF,e,23);

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