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Numeric.isInteger - check if the value stored in the Numeric is an integer
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Calling Sequence
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boolean isInteger() throws MapleException
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Description
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The isInteger function returns true if the value represented by the current Numeric object is an integer of any size. Otherwise, the isInteger function returns false.
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If isInteger returns false, the Numeric represents a floating-point value.
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Examples
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import com.maplesoft.openmaple.*;
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import com.maplesoft.externalcall.MapleException;
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class Example
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{
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public static void main( String notused[] ) throws MapleException
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{
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String mapleArgs[];
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Engine engine;
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Numeric n;
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mapleArgs = new String[1];
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mapleArgs[0] = "java";
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engine = new Engine( mapleArgs, new EngineCallBacksDefault(),
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null, null );
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n = (Numeric)engine.evaluate( "2^6:" );
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System.out.println( n.isInteger() );
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n = (Numeric)engine.evaluate( "2^14:" );
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System.out.println( n.isInteger() );
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n = (Numeric)engine.evaluate( "2^30:" );
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System.out.println( n.isInteger() );
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n = (Numeric)engine.evaluate( "2^62:" );
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System.out.println( n.isInteger() );
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n = (Numeric)engine.evaluate( "2^80:" );
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System.out.println( n.isInteger() );
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n = (Numeric)engine.evaluate( "10.:" );
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System.out.println( n.isInteger() );
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}
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}
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Executing this code produces the following output.
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true
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true
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true
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true
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true
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false
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