diff options
Diffstat (limited to 'src/elementaryFunctions/log1p/slog1ps.c')
-rw-r--r-- | src/elementaryFunctions/log1p/slog1ps.c | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/src/elementaryFunctions/log1p/slog1ps.c b/src/elementaryFunctions/log1p/slog1ps.c deleted file mode 100644 index 501de6b0..00000000 --- a/src/elementaryFunctions/log1p/slog1ps.c +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab - * Copyright (C) 2008-2008 - 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 - * - */ - -#include "log1p.h" -#include "log.h" -#include "lnp1m1.h" - -float slog1ps(float in) { - static double A = -1.0/3.0; - static double B = 0.5; - - if(in < -1) - {/* got NaN */ - return (in - in) / (in - in); /* NaN */ - } - else if(A <= in && in <= B) - {/* use the function log((1+g)/(1-g)) with g = x/(x + 2) */ - return slnp1m1s(in / (in + 2)); - } - else - {/* use the standard formula */ - return slogs(in + 1); - } -} |