1. /*  sdfatana.cpp  by K.Tsuru  */

  2. // function ID 3602   DRADIX

  3. /***********************************************************

  4. SDouble class

  5. inverse trigonometric function arctan x using Asin function.

  6. arctan x =  arcsin(x/Sqrt(1+x*x))

  7. ************************************************************/

  8. #ifndef SN_H

  9. #include "sn.h"

  10. #endif

  11. SDouble AtanA(const SDouble& x){

  12.     SDouble y;

  13.     y = x*RecSqrt(1 + x*x);

  14.     return Asin(y);

  15. }
sdfatana.cpp : last modifiled at 2015/12/03 21:32:13(434 bytes)
created at 2017/10/07 10:22:50
The creation time of this html file is 2017/10/07 11:29:39 (Sat Oct 07 11:29:39 2017).