Revision 43521 trunk/org.gvsig.desktop/org.gvsig.desktop.library/org.gvsig.expressionevaluator/org.gvsig.expressionevaluator.lib/org.gvsig.expressionevaluator.lib.impl/src/main/java/org/gvsig/expressionevaluator/impl/function/numeric/ACosFunction.java

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ACosFunction.java
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package org.gvsig.expressionevaluator.impl.function.numeric;
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import org.apache.commons.lang3.Range;


  		




  
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import org.gvsig.expressionevaluator.Interpreter;


  		




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import org.gvsig.expressionevaluator.spi.AbstractFunction;


  		




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public class ACosFunction extends AbstractFunction {


  		




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        super(


  		




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            "Numeric", "ACOS", Range.is(1),


  		




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            "Returns the arc cosine of a value; the returned angle is in the range 0.0 through pi.",


  		




  
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            "ACOS( )",


  		




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            new String[]{


  		




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                "value whose arc tangent is to be returned"


  		




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            }


  		




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    }


  		




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    @Override


  		




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    public Object call(Object[] args) {


  		




  
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    public Object call(Interpreter interpreter, Object[] args) {


  		




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        double r = Math.acos(getDouble(args, 0));


  		




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        return r;


  		




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    }


  		












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