<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <!-- Generated by HsColour, http://code.haskell.org/~malcolm/hscolour/ --> <title>Data/Number/Vectorspace.hs</title> <link type='text/css' rel='stylesheet' href='hscolour.css' /> </head> <body> <pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE <a name="line-2"></a> FunctionalDependencies, <a name="line-3"></a> MultiParamTypeClasses #-}</span> <a name="line-4"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Number</span><span class='hs-varop'>.</span><span class='hs-conid'>Vectorspace</span><span class='hs-layout'>(</span><span class='hs-conid'>Vectorspace</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-5"></a> <a name="line-6"></a><span class='hs-comment'>-- |Class of vector spaces /v/ with scalar /s/.</span> <a name="line-7"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>Vectorspace</span> <span class='hs-varid'>s</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>s</span> <span class='hs-keyword'>where</span> <a name="line-8"></a> <span class='hs-layout'>(</span><span class='hs-varop'>*></span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <a name="line-9"></a> <span class='hs-layout'>(</span><span class='hs-varop'><+></span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <a name="line-10"></a> <span class='hs-varid'>vnegate</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>v</span> <a name="line-11"></a> <span class='hs-varid'>vzero</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>v</span> </pre></body> </html>