Accuracy of Free42 and DM42

12222017, 09:11 PM
Post: #23




RE: Accuracy of Free42 and DM42
Dieter: that was necessary to make SIN(45°) = COS(45°).
Because if you do not handle that case separately, they will be calculated as SINRAD(PI/4) and COSRAD(PI/4), and those differ by a few ulps. Cheers, Werner 

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