Changeset - r493:81627fa1b007
« 492:04c063
494:fb5af0 »
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alpar (Alpar Juttner)
alpar@cs.elte.hu
Own support for isnan()
0 2 0
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2 files changed with 15 insertions and 6 deletions:
lemon/lp_base.h
6
6
lemon/math.h
9
↑ Collapse diff ↑
lemon/lp_base.h
Show white space 6 line context
... ... 
@@ -599,3 +599,3 @@
599 599 
      bool lowerBounded() const {
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        return _lb != -INF && !std::isnan(_lb);
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        return _lb != -INF && !isnan(_lb);
601 601 
      }
... ... 
@@ -603,3 +603,3 @@
603 603 
      bool upperBounded() const {
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        return _ub != INF && !std::isnan(_ub);
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        return _ub != INF && !isnan(_ub);
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      }
... ... 
@@ -1668,3 +1668,3 @@
1668 1668 
    LpBase::Constr tmp(c);
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    LEMON_ASSERT(std::isnan(tmp.lowerBound()), "Wrong LP constraint");
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    LEMON_ASSERT(isnan(tmp.lowerBound()), "Wrong LP constraint");
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    tmp.lowerBound()=n;
... ... 
@@ -1680,3 +1680,3 @@
1680 1680 
    LpBase::Constr tmp(c);
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    LEMON_ASSERT(std::isnan(tmp.upperBound()), "Wrong LP constraint");
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    LEMON_ASSERT(isnan(tmp.upperBound()), "Wrong LP constraint");
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    tmp.upperBound()=n;
... ... 
@@ -1692,3 +1692,3 @@
1692 1692 
    LpBase::Constr tmp(c);
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    LEMON_ASSERT(std::isnan(tmp.upperBound()), "Wrong LP constraint");
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    LEMON_ASSERT(isnan(tmp.upperBound()), "Wrong LP constraint");
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    tmp.upperBound()=n;
... ... 
@@ -1704,3 +1704,3 @@
1704 1704 
    LpBase::Constr tmp(c);
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    LEMON_ASSERT(std::isnan(tmp.lowerBound()), "Wrong LP constraint");
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    LEMON_ASSERT(isnan(tmp.lowerBound()), "Wrong LP constraint");
1706 1706 
    tmp.lowerBound()=n;
lemon/math.h
Ignore white space 6 line context
... ... 
@@ -57,2 +57,11 @@
57 57 

			




	
	58
	
		
  ///Check whether the parameter is NaN or not


			




	
	59
	
		
  


			




	
	60
	
		
  ///This function checks whether the parameter is NaN or not.


			




	
	61
	
		
  ///Is should be equivalent with std::isnan(), but it is not


			




	
	62
	
		
  ///provided by all compilers.


			




	
	63
	
		
  inline bool isnan(double v)


			




	
	64
	
		
    {


			




	
	65
	
		
      return v!=v;


			




	
	66
	
		
    }


			




	58
	67
	
		

			




        

    






    
    



    


    

     
    
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