Dear Prof. Stefaan Cottenier,<i> <br><br> </i>Thank you vey much for checking my input files. We have used FFTW3 for fftwpack
library and the problem for NANs for the WARPING are solved. I checked for TiC also all the calculations are running fine.
<br><br>Thanking you sir.
<br><br> Regards
<br>Yedukondalu
<br>