im using sine function through megawizard, but instead getting the sine result im getting the data, the angle that we gave. does someone have a guide that can help us use the code correctly? thank you

[AnandRaj_S_Intel]

Hi,

which Tools version, IP are you using?

Attach few Output images.

few of IP user guides which supports sin function.

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ug/archives/ug_nco_14.1.pdf

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ug/ug_cordic.pdf

https://www.intel.co.jp/content/dam/altera-www/global/ja_JP/pdfs/literature/ug/ug_altfp_mfug.pdf

Regards

Anand

[JOHI]

Hello,

Please verify that your application is not working while you think it is not.

As a matter of fact lim(x->0) sin(x)=x, so for small angles the sine of an angle is the angle itself.

Do also note that calculations are in radians, not in degrees and that you are limited to -PI/PI or 0..PI/2 depending on your input parameter.

If you still fail, please provide reply and I will try to make an example (I am just in the middle of project with floating point calculations).

If you would like to use a lookup table, I provided an example where you can generate a .MIF using a .XLS spreadsheet (including VBA macro) and a demo project where the .mif is used to calculate a sine using the lookup table.

Best Regards,

Johi.