getMantissa() public method

public getMantissa ( ) : double
return double
 public void test_element_cn_e_notation()
 {
     string s = wrapMathML("<cn type='e-notation'> 12.3 <sep/> 5 </cn>");
       N = libsbml.readMathMLFromString(s);
       assertTrue( N != null );
       assertTrue( N.getType() == libsbml.AST_REAL_E );
       assertTrue( N.getMantissa() == 12.3 );
       assertTrue( N.getExponent() == 5 );
       assertTrue( N.getNumChildren() == 0 );
 }
 public void test_ASTNode_setReal()
 {
     ASTNode node = new  ASTNode();
       node.setName( "foo");
       assertTrue( node.getType() == libsbml.AST_NAME );
       node.setValue(32.1);
       assertTrue( node.getType() == libsbml.AST_REAL );
       assertTrue( node.getInteger() == 0 );
       assertTrue( node.getName() == null );
       assertTrue( node.getCharacter() == '\0' );
       assertTrue( node.getReal() == 32.1 );
       assertTrue( node.getExponent() == 0 );
       assertTrue( node.getDenominator() == 1 );
       assertTrue( node.getMantissa() == 32.1 );
       node.setValue(45,90);
       assertTrue( node.getType() == libsbml.AST_RATIONAL );
       assertTrue( node.getInteger() == 45 );
       assertTrue( node.getName() == null );
       assertTrue( node.getCharacter() == '\0' );
       assertTrue( node.getReal() == 0.5 );
       assertTrue( node.getExponent() == 0 );
       assertTrue( node.getDenominator() == 90 );
       assertTrue( node.getMantissa() == 0 );
       node.setValue(32.0,4);
       assertTrue( node.getType() == libsbml.AST_REAL_E );
       assertTrue( node.getInteger() == 0 );
       assertTrue( node.getName() == null );
       assertTrue( node.getCharacter() == '\0' );
       assertTrue( node.getReal() == 320000 );
       assertTrue( node.getExponent() == 4 );
       assertTrue( node.getDenominator() == 1 );
       assertTrue( node.getMantissa() == 32 );
       node = null;
 }