LEMON/LEMON-main Changeset - r957:2eebc8f7dca5

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Changeset - r957:2eebc8f7dca5

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r957:2eebc8f7dca5

Tue, 01 Nov 2011 08:24:30

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

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

0 2 0

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2 files changed with 12 insertions and 4 deletions:

lemon/lp_base.h

test/lp_test.cc

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lemon/lp_base.h

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@@ -1604,7 +1604,7 @@
 		  ///
 		  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
@@ -1622,7 +1622,7 @@
 		  ///
 		  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
@@ -1631,7 +1631,7 @@
 		  ///
 		  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);
+		  }
@@ -1651,7 +1651,7 @@
 		  ///
 		  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

test/lp_test.cc

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@@ -166,6 +166,14 @@
 		    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;

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