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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-11-10 16:19:12 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-11-10 16:19:12 +0000 |
commit | 0f11ac27b9b9dbdde216a700434b7fcdc47e1093 (patch) | |
tree | 65e310bdf9dd9db4886938931afdbeaa8d75aaff /nuttx/lib/math/lib_tanhl.c | |
parent | f37278039ad4c2f0bfcfaed647b01aa70ae0b5d6 (diff) | |
download | px4-nuttx-0f11ac27b9b9dbdde216a700434b7fcdc47e1093.tar.gz px4-nuttx-0f11ac27b9b9dbdde216a700434b7fcdc47e1093.tar.bz2 px4-nuttx-0f11ac27b9b9dbdde216a700434b7fcdc47e1093.zip |
Still trying to recover directory contents
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5330 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/lib/math/lib_tanhl.c')
-rw-r--r-- | nuttx/lib/math/lib_tanhl.c | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/nuttx/lib/math/lib_tanhl.c b/nuttx/lib/math/lib_tanhl.c deleted file mode 100644 index 23c11d667..000000000 --- a/nuttx/lib/math/lib_tanhl.c +++ /dev/null @@ -1,49 +0,0 @@ -/************************************************************************ - * lib/math/lib_tanhl.c - * - * This file is a part of NuttX: - * - * Copyright (C) 2012 Gregory Nutt. All rights reserved. - * Ported by: Darcy Gong - * - * It derives from the Rhombs OS math library by Nick Johnson which has - * a compatibile, MIT-style license: - * - * Copyright (C) 2009, 2010 Nick Johnson <nickbjohnson4224 at gmail.com> - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - ************************************************************************/ - -/************************************************************************ - * Included Files - ************************************************************************/ - -#include <nuttx/config.h> -#include <nuttx/compiler.h> - -#include <math.h> - -/************************************************************************ - * Public Functions - ************************************************************************/ - -#ifdef CONFIG_HAVE_LONG_DOUBLE -long double tanhl(long double x) -{ - long double x0 = exp(x); - long double x1 = 1.0 / x0; - - return ((x0 + x1) / (x0 - x1)); -} -#endif |