2004-07-22 19:48:50 -04:00
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! :folding=indent:collapseFolds=0:
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2004-07-16 02:26:21 -04:00
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! $Id$
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!
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! Copyright (C) 2004 Slava Pestov.
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions are met:
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!
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! 1. Redistributions of source code must retain the above copyright notice,
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! this list of conditions and the following disclaimer.
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!
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! 2. Redistributions in binary form must reproduce the above copyright notice,
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! this list of conditions and the following disclaimer in the documentation
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! and/or other materials provided with the distribution.
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!
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! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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IN: math
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USE: kernel
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2004-08-26 22:21:17 -04:00
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USE: math
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2004-12-10 18:38:40 -05:00
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USE: math-internals
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2004-07-16 02:26:21 -04:00
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2004-08-06 20:22:47 -04:00
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! Trigonometric functions:
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! cos sec sin cosec tan cot
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2004-07-16 02:26:21 -04:00
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2004-08-06 20:22:47 -04:00
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! Hyperbolic functions:
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! cosh sech sinh cosech tanh coth
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2004-07-16 02:26:21 -04:00
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: cos ( z -- cos )
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>rect 2dup
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fcosh swap fcos * -rot
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fsinh swap fsin neg * rect> ;
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: sec cos recip ;
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: cosh ( z -- cosh )
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>rect 2dup
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fcos swap fcosh * -rot
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fsin swap fsinh * rect> ;
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: sech cosh recip ;
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: sin ( z -- sin )
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>rect 2dup
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fcosh swap fsin * -rot
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fsinh swap fcos * rect> ;
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: cosec sin recip ;
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: sinh ( z -- sinh )
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>rect 2dup
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fcos swap fsinh * -rot
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fsin swap fcosh * rect> ;
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: cosech sinh recip ;
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: tan dup sin swap cos / ;
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: tanh dup sinh swap cosh / ;
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: cot dup cos swap sin / ;
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: coth dup cosh swap sinh / ;
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