! Copyright (C) 2004, 2005 Slava Pestov. ! See http://factor.sf.net/license.txt for BSD license. IN: math USING: kernel math math-internals ; : cos ( z -- cos ) >rect 2dup fcosh swap fcos * -rot fsinh swap fsin neg * rect> ; inline : sec cos recip ; inline : cosh ( z -- cosh ) >rect 2dup fcos swap fcosh * -rot fsin swap fsinh * rect> ; inline : sech cosh recip ; inline : sin ( z -- sin ) >rect 2dup fcosh swap fsin * -rot fsinh swap fcos * rect> ; inline : cosec sin recip ; inline : sinh ( z -- sinh ) >rect 2dup fcos swap fsinh * -rot fsin swap fcosh * rect> ; inline : cosech sinh recip ; inline : tan dup sin swap cos / ; inline : tanh dup sinh swap cosh / ; inline : cot dup cos swap sin / ; inline : coth dup cosh swap sinh / ; inline