ConstantExpression
- java.lang.Object
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- com.dashoptimization.objects.Expression
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- com.dashoptimization.objects.AbstractExpression
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- com.dashoptimization.objects.ConstantExpression
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public final class ConstantExpression extends AbstractExpression
A constant value.- Since:
- 43.00
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Constructor Summary
Constructor Description ConstantExpression(double value)
Create a new constant expression.
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Method Summary
Modifier and Type Method Description static ConstantExpression
constant(double cnst)
Utility function to create a constant expression.ConstantExpression
div(double arg)
Create a new expression that represents the quotient ofthis
andarg
.ConstantExpression
div(ConstantExpression arg)
Create a new expression that represents the quotient ofthis
andarg
.Expression
div(Expression arg)
Create a new expression that represents the quotient ofthis
andarg
.double
evaluate(double[] solution)
Compute the value of this expression with respect to the given solution vector (which is not required to be feasible).double
getValue()
ConstantExpression
minus(double arg)
Create a new expression that represents the difference ofthis
andarg
.ConstantExpression
minus(ConstantExpression arg)
Create a new expression that represents the difference ofthis
andarg
.Expression
minus(Expression arg)
Create a new expression that represents the difference ofthis
andarg
.ConstantExpression
mul(double arg)
Create a new expression that represents the product ofthis
andarg
.ConstantExpression
mul(ConstantExpression arg)
Create a new expression that represents the product ofthis
andarg
.Expression
mul(Expression arg)
Create a new expression that represents the product ofthis
andarg
.LinTerm
mul(LinTerm arg)
Create a new expression that represents the product ofthis
andarg
.QuadTerm
mul(QuadTerm arg)
Create a new expression that represents the product ofthis
andarg
.LinTerm
mul(Variable arg)
Create a new expression that represents the product ofthis
andarg
.ConstantExpression
plus(double arg)
Create a new expression that represents the sum ofthis
andarg
.ConstantExpression
plus(ConstantExpression arg)
Create a new expression that represents the sum ofthis
andarg
.Expression
plus(Expression arg)
Create a new expression that represents the sum ofthis
andarg
.java.lang.String
toString()
ConstantExpression
uminus()
Create a new expression that represents the unary minus of this one.
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Method Detail
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getValue
public double getValue()
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constant
public static ConstantExpression constant(double cnst)
Utility function to create a constant expression.- Parameters:
-
cnst
- Constant value for new expression. - Returns:
- The new expression.
- Since:
- 43.00
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evaluate
public double evaluate(double[] solution)
Compute the value of this expression with respect to the given solution vector (which is not required to be feasible).- Specified by:
-
evaluate
in classExpression
- Parameters:
-
solution
- Solution values for which the expression is evaluated. - Returns:
-
The value of this expression evaluated at
solution
. - Since:
- 43.00
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toString
public java.lang.String toString()
- Overrides:
-
toString
in classjava.lang.Object
- Returns:
- Since:
- 43.00
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uminus
public ConstantExpression uminus()
Create a new expression that represents the unary minus of this one.- Overrides:
-
uminus
in classExpression
- Returns:
-
Expression representing
-this
. - Since:
- 43.00
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plus
public Expression plus(Expression arg)
Create a new expression that represents the sum ofthis
andarg
.- Overrides:
-
plus
in classExpression
- Parameters:
-
arg
- Addend. - Returns:
-
Sum of
this
andarg
. - Since:
- 43.00
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plus
public ConstantExpression plus(ConstantExpression arg)
Create a new expression that represents the sum ofthis
andarg
.- Parameters:
-
arg
- Addend - Returns:
- The new expression.
- Since:
- 43.00
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plus
public ConstantExpression plus(double arg)
Create a new expression that represents the sum ofthis
andarg
.- Overrides:
-
plus
in classExpression
- Parameters:
-
arg
- Addend. - Returns:
-
Sum of
this
andarg
. - Since:
- 43.00
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minus
public Expression minus(Expression arg)
Create a new expression that represents the difference ofthis
andarg
.- Overrides:
-
minus
in classExpression
- Parameters:
-
arg
- Minuend. - Returns:
-
Difference of
this
andarg
. - Since:
- 43.00
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minus
public ConstantExpression minus(ConstantExpression arg)
Create a new expression that represents the difference ofthis
andarg
.- Parameters:
-
arg
- Minuend. - Returns:
- The new expression.
- Since:
- 43.00
-
minus
public ConstantExpression minus(double arg)
Create a new expression that represents the difference ofthis
andarg
.- Overrides:
-
minus
in classExpression
- Parameters:
-
arg
- Minuend. - Returns:
-
Difference of
this
andarg
. - Since:
- 43.00
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mul
public Expression mul(Expression arg)
Create a new expression that represents the product ofthis
andarg
.- Overrides:
-
mul
in classExpression
- Parameters:
-
arg
- Factor. - Returns:
-
Product of
this
andarg
. - Since:
- 43.00
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mul
public ConstantExpression mul(ConstantExpression arg)
Create a new expression that represents the product ofthis
andarg
.- Parameters:
-
arg
- Factor. - Returns:
- The new expression.
- Since:
- 43.00
-
mul
public ConstantExpression mul(double arg)
Create a new expression that represents the product ofthis
andarg
.- Overrides:
-
mul
in classExpression
- Parameters:
-
arg
- Factor. - Returns:
-
Product of
this
andarg
. - Since:
- 43.00
-
mul
public LinTerm mul(Variable arg)
Create a new expression that represents the product ofthis
andarg
.- Parameters:
-
arg
- Factor. - Returns:
- The new expression.
- Since:
- 43.00
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mul
public LinTerm mul(LinTerm arg)
Create a new expression that represents the product ofthis
andarg
.- Parameters:
-
arg
- Factor. - Returns:
- The new expression.
- Since:
- 43.00
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mul
public QuadTerm mul(QuadTerm arg)
Create a new expression that represents the product ofthis
andarg
.- Parameters:
-
arg
- Factor. - Returns:
- The new expression.
- Since:
- 43.00
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div
public Expression div(Expression arg)
Create a new expression that represents the quotient ofthis
andarg
.- Overrides:
-
div
in classExpression
- Parameters:
-
arg
- Divisor. - Returns:
-
Quotient of
this
andarg
. - Since:
- 43.00
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div
public ConstantExpression div(ConstantExpression arg)
Create a new expression that represents the quotient ofthis
andarg
.- Parameters:
-
arg
- Divisor. - Returns:
- The new expression.
- Since:
- 43.00
-
div
public ConstantExpression div(double arg)
Create a new expression that represents the quotient ofthis
andarg
.- Overrides:
-
div
in classExpression
- Parameters:
-
arg
- Divisor. - Returns:
-
Quotient of
this
andarg
. - Since:
- 43.00
-
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