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/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2007-2008 - INRIA - Bruno JOFRET
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
*
*/
/*
// METHOD
// based on the formula asinh(z) = -i asin(i z)
*/
#include "asinh.h"
#include "asin.h"
doubleComplex zasinhs(doubleComplex z) {
doubleComplex i_z = DoubleComplex(-zimags(z), zreals(z));
doubleComplex asin_i_z = zasins(i_z);
return DoubleComplex(zimags(asin_i_z), -zreals(asin_i_z));
}
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