1 !:folding=indent:collapseFolds=0:
5 ! Copyright (C) 2004 Slava Pestov.
7 ! Redistribution and use in source and binary forms, with or without
8 ! modification, are permitted provided that the following conditions are met:
10 ! 1. Redistributions of source code must retain the above copyright notice,
11 ! this list of conditions and the following disclaimer.
13 ! 2. Redistributions in binary form must reproduce the above copyright notice,
14 ! this list of conditions and the following disclaimer in the documentation
15 ! and/or other materials provided with the distribution.
17 ! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18 ! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
19 ! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
20 ! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 ! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 ! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
23 ! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 ! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
25 ! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
26 ! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 !!! Trigonometric functions:
36 !!! cos sec sin cosec tan cot
38 !!! Hyperbolic functions:
39 !!! cosh sech sinh cosech tanh coth
43 fcosh swap fcos * -rot
44 fsinh swap fsin neg * rect> ;
50 fcos swap fcosh * -rot
51 fsin swap fsinh * rect> ;
57 fcosh swap fsin * -rot
58 fsinh swap fcos * rect> ;
64 fcos swap fsinh * -rot
65 fsin swap fcosh * rect> ;
69 : tan dup sin swap cos / ;
70 : tanh dup sinh swap cosh / ;
71 : cot dup cos swap sin / ;
72 : coth dup cosh swap sinh / ;