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Altera_Forum
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13 years ago

ALTFP_SINCOS - cosine mode

I'm running Quartus 11.0sp1 I think I found an error for the ALTFP_SINCOS megafunction in cosine mode. For negative inputs the result comes out with the wrong sign. Example: cos(-0.1)...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

How do you get 0.1 into ALTFP_SINCOS?

I try it with declaration

real rho = 0.1;

But ALTFP_SINCOS cannot accept with real number.

Thanks for your reading, waiting for your reply!