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author | jofret | 2009-04-28 06:53:00 +0000 |
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committer | jofret | 2009-04-28 06:53:00 +0000 |
commit | b56c1d5508edf80f36c9a48e8806641f5cdf2cd8 (patch) | |
tree | 921ff5c8b47befe9b797cffa57bea9c940a7224c /src/elementaryFunctions/acosh/cacoshs.c | |
parent | 127ac18608c72acfed9d59599252ad62cb562ee5 (diff) | |
download | scilab2c-b56c1d5508edf80f36c9a48e8806641f5cdf2cd8.tar.gz scilab2c-b56c1d5508edf80f36c9a48e8806641f5cdf2cd8.tar.bz2 scilab2c-b56c1d5508edf80f36c9a48e8806641f5cdf2cd8.zip |
Moving source code
Diffstat (limited to 'src/elementaryFunctions/acosh/cacoshs.c')
-rw-r--r-- | src/elementaryFunctions/acosh/cacoshs.c | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/src/elementaryFunctions/acosh/cacoshs.c b/src/elementaryFunctions/acosh/cacoshs.c deleted file mode 100644 index 15238215..00000000 --- a/src/elementaryFunctions/acosh/cacoshs.c +++ /dev/null @@ -1,33 +0,0 @@ -/* - * 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 : -// -// acosh(z) = sign(-imag(acos(z)) i acos(z) -// -// sign(x) = 1 if x >= 0 -// | -1 if x < 0 -*/ - -#include "acosh.h" -#include "acos.h" - -#define localSign(x) x >= 0 ? 1.0f : -1.0f - -floatComplex cacoshs(floatComplex z) { - floatComplex acos_z = cacoss(z); - float sign = localSign(-cimags(acos_z)); - - return FloatComplex(-sign * cimags(acos_z), sign * creals(acos_z)); -} |