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29 lines
573 B
Java
29 lines
573 B
Java
package com.bytezone.diskbrowser.visicalc;
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public class Ln extends Function
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{
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Ln (Cell cell, String text)
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{
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super (cell, text);
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assert text.startsWith ("@LN(") : text;
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source = cell.getExpressionValue (functionText);
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values.add (source);
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}
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@Override
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public void calculate ()
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{
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source.calculate ();
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if (!source.isValueType (ValueType.VALUE))
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{
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valueType = source.getValueType ();
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return;
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}
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value = Math.log (source.getValue ());
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valueType = Double.isNaN (value) ? ValueType.ERROR : ValueType.VALUE;
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}
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} |