tripledouble, TD represents a number as the sum of three IEEE doubles.


Example 1:

   > verbosity=1!;
   > a = 1+ 2^(-55)+2^(-115);
   > TD(a);
   > prec=110!;
   > TD(a);
   Warning: double rounding occurred on invoking the triple-double rounding operator.
   Try to increase the working precision.
See also: halfprecision, single, double, doubleextended, doubledouble, quad, roundcoefficients, implementpoly, fpminimax, printexpansion
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