An internal error has occurred in this function. Check the function call and any array sizes. If the call is correct then please contact NAG for assistance.
See Section 7.5 in the Introduction to the NAG Library CL Interface for further information.
NE_NO_LICENCE
Your licence key may have expired or may not have been installed correctly.
See Section 8 in the Introduction to the NAG Library CL Interface for further information.
NE_POLE_PRESENT
Evaluation at or near a pole.
7Accuracy
A running error analysis for polynomial evaluation by nested multiplication using the recurrence suggested by Kahan (see Peters and Wilkinson (1971)) is used to detect whether you are attempting to evaluate the approximant at or near a pole.
8Parallelism and Performance
Background information to multithreading can be found in the Multithreading documentation.
e02rbc is not threaded in any implementation.
9Further Comments
The time taken is approximately proportional to .
10Example
This example first calls e02rac to calculate the Padé approximant to , and then uses e02rbc to evaluate the approximant at .