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| author | Siddhesh Wani | 2015-05-25 14:46:31 +0530 |
|---|---|---|
| committer | Siddhesh Wani | 2015-05-25 14:46:31 +0530 |
| commit | db464f35f5a10b58d9ed1085e0b462689adee583 (patch) | |
| tree | de5cdbc71a54765d9fec33414630ae2c8904c9b8 /src/c/elementaryFunctions/asinh/casinhs.c | |
| download | scilab2c-db464f35f5a10b58d9ed1085e0b462689adee583.tar.gz scilab2c-db464f35f5a10b58d9ed1085e0b462689adee583.tar.bz2 scilab2c-db464f35f5a10b58d9ed1085e0b462689adee583.zip | |
Original Version
Diffstat (limited to 'src/c/elementaryFunctions/asinh/casinhs.c')
| -rw-r--r-- | src/c/elementaryFunctions/asinh/casinhs.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/c/elementaryFunctions/asinh/casinhs.c b/src/c/elementaryFunctions/asinh/casinhs.c new file mode 100644 index 00000000..0d90c5ec --- /dev/null +++ b/src/c/elementaryFunctions/asinh/casinhs.c @@ -0,0 +1,26 @@ +/* + * 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" + +floatComplex casinhs(floatComplex z) { + floatComplex i_z = FloatComplex(-cimags(z), creals(z)); + floatComplex asin_i_z = casins(i_z); + + return FloatComplex(cimags(asin_i_z), -creals(asin_i_z)); +} |