<?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://www.cs.york.ac.uk/fp/darcs/hscolour/ --> <title>src/ForSyDe/Shallow/BitVector.hs</title> <link type='text/css' rel='stylesheet' href='hscolour.css' /> </head> <body> <pre><a name="line-1"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span> <a name="line-2"></a><span class='hs-comment'>-- |</span> <a name="line-3"></a><span class='hs-comment'>-- Module : ForSyDe.Shallow.BitVector</span> <a name="line-4"></a><span class='hs-comment'>-- Copyright : (c) SAM Group, KTH/ICT/ECS 2007-2008</span> <a name="line-5"></a><span class='hs-comment'>-- License : BSD-style (see the file LICENSE)</span> <a name="line-6"></a><span class='hs-comment'>-- </span> <a name="line-7"></a><span class='hs-comment'>-- Maintainer : forsyde-dev@ict.kth.se</span> <a name="line-8"></a><span class='hs-comment'>-- Stability : experimental</span> <a name="line-9"></a><span class='hs-comment'>-- Portability : portable</span> <a name="line-10"></a><span class='hs-comment'>--</span> <a name="line-11"></a><span class='hs-comment'>-- It defines the bit vector operations from\/to integer.</span> <a name="line-12"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span> <a name="line-13"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>ForSyDe</span><span class='hs-varop'>.</span><span class='hs-conid'>Shallow</span><span class='hs-varop'>.</span><span class='hs-conid'>BitVector</span><span class='hs-layout'>(</span> <a name="line-14"></a> <span class='hs-comment'>-- *Polynomial data type</span> <a name="line-15"></a> <span class='hs-conid'>BitVector</span><span class='hs-layout'>,</span> <span class='hs-conid'>Parity</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <a name="line-16"></a> <span class='hs-comment'>-- *Bit-vector and integer transformations</span> <a name="line-17"></a> <span class='hs-varid'>intToBitVector</span><span class='hs-layout'>,</span> <span class='hs-varid'>bitVectorToInt</span><span class='hs-layout'>,</span> <a name="line-18"></a> <span class='hs-comment'>-- *Add even\/odd parity bit</span> <a name="line-19"></a> <span class='hs-varid'>addEvenParityBit</span><span class='hs-layout'>,</span> <span class='hs-varid'>addOddParityBit</span><span class='hs-layout'>,</span> <span class='hs-varid'>addParityBit</span><span class='hs-layout'>,</span> <a name="line-20"></a> <span class='hs-comment'>-- *Remove parity bit</span> <a name="line-21"></a> <span class='hs-varid'>removeParityBit</span><span class='hs-layout'>,</span> <a name="line-22"></a> <span class='hs-comment'>-- *Check the even\/odd parity of the bit-vector</span> <a name="line-23"></a> <span class='hs-varid'>isEvenParity</span><span class='hs-layout'>,</span> <span class='hs-varid'>isOddParity</span><span class='hs-layout'>,</span> <a name="line-24"></a> <span class='hs-comment'>-- *Judge the form sanity of the bit-vector</span> <a name="line-25"></a> <span class='hs-varid'>isBitVector</span> <a name="line-26"></a> <span class='hs-layout'>)</span> <a name="line-27"></a> <span class='hs-keyword'>where</span> <a name="line-28"></a> <a name="line-29"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>ForSyDe</span><span class='hs-varop'>.</span><span class='hs-conid'>Shallow</span><span class='hs-varop'>.</span><span class='hs-conid'>Vector</span> <a name="line-30"></a> <a name="line-31"></a><a name="BitVector"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>BitVector</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Vector</span> <span class='hs-conid'>Integer</span> <a name="line-32"></a> <a name="line-33"></a><a name="isBitVector"></a><span class='hs-comment'>-- |To judge whether the input bit-vector is in a proper form.</span> <a name="line-34"></a><span class='hs-definition'>isBitVector</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Num</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <a name="line-35"></a> <span class='hs-conid'>Vector</span> <span class='hs-varid'>t</span> <span class='hs-comment'>-- ^Input bit-vector</span> <a name="line-36"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^Output boolean value</span> <a name="line-37"></a><span class='hs-definition'>isBitVector</span> <span class='hs-conid'>NullV</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span> <a name="line-38"></a><span class='hs-definition'>isBitVector</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:></span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-varop'>||</span> <span class='hs-varid'>x</span> <span class='hs-varop'>==</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>isBitVector</span> <span class='hs-varid'>xs</span> <a name="line-39"></a> <a name="line-40"></a><a name="intToBitVector"></a><span class='hs-comment'>-- |To transform the input integer to a bit-vector with specified number of</span> <a name="line-41"></a><span class='hs-comment'>-- bits.</span> <a name="line-42"></a><span class='hs-definition'>intToBitVector</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^Num of the bits</span> <a name="line-43"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Integer</span> <span class='hs-comment'>-- ^The input integer</span> <a name="line-44"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>BitVector</span> <span class='hs-comment'>-- ^The output bit-vector</span> <a name="line-45"></a><span class='hs-definition'>intToBitVector</span> <span class='hs-varid'>bits</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>n</span> <span class='hs-varop'>>=</span> <span class='hs-num'>0</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>n</span> <span class='hs-varop'><</span> <span class='hs-num'>2</span><span class='hs-varop'>^</span><span class='hs-layout'>(</span><span class='hs-varid'>bits</span><span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <a name="line-46"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>intToBitVector'</span> <span class='hs-varid'>bits</span> <span class='hs-varid'>n</span> <a name="line-47"></a><span class='hs-definition'>intToBitVector</span> <span class='hs-varid'>bits</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>n</span> <span class='hs-varop'><</span> <span class='hs-num'>0</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>abs</span> <span class='hs-varid'>n</span> <span class='hs-varop'><=</span> <span class='hs-num'>2</span><span class='hs-varop'>^</span><span class='hs-layout'>(</span><span class='hs-varid'>bits</span><span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <a name="line-48"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>intToBitVector'</span> <span class='hs-varid'>bits</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span> <span class='hs-varop'>+</span> <span class='hs-num'>2</span><span class='hs-varop'>^</span><span class='hs-varid'>bits</span><span class='hs-layout'>)</span> <a name="line-49"></a><span class='hs-definition'>intToBitVector</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <a name="line-50"></a> <span class='hs-varid'>error</span> <span class='hs-str'>"intToBitvector : Number out of range!"</span> <a name="line-51"></a> <a name="line-52"></a><a name="intToBitVector'"></a><span class='hs-comment'>-- |Helper function of 'intToBitVector'.</span> <a name="line-53"></a><span class='hs-definition'>intToBitVector'</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Num</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Ord</span> <span class='hs-varid'>a1</span><span class='hs-layout'>,</span> <span class='hs-conid'>Num</span> <span class='hs-varid'>a1</span><span class='hs-layout'>,</span> <span class='hs-conid'>Integral</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <a name="line-54"></a> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a1</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Vector</span> <span class='hs-varid'>a</span> <a name="line-55"></a><span class='hs-definition'>intToBitVector'</span> <span class='hs-num'>0</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>NullV</span> <a name="line-56"></a><span class='hs-definition'>intToBitVector'</span> <span class='hs-varid'>bits</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span> <span class='hs-varop'>>=</span> <span class='hs-num'>2</span><span class='hs-varop'>^</span><span class='hs-layout'>(</span><span class='hs-varid'>bits</span><span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyword'>then</span> <a name="line-57"></a> <span class='hs-num'>1</span> <span class='hs-conop'>:></span> <span class='hs-varid'>intToBitVector'</span> <span class='hs-layout'>(</span><span class='hs-varid'>bits</span><span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span> <span class='hs-comment'>-</span> <span class='hs-num'>2</span><span class='hs-varop'>^</span><span class='hs-layout'>(</span><span class='hs-varid'>bits</span><span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-58"></a> <span class='hs-keyword'>else</span> <a name="line-59"></a> <span class='hs-num'>0</span> <span class='hs-conop'>:></span> <span class='hs-varid'>intToBitVector'</span> <span class='hs-layout'>(</span><span class='hs-varid'>bits</span><span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>n</span> <a name="line-60"></a> <a name="line-61"></a><a name="bitVectorToInt"></a><span class='hs-comment'>-- |To transform the input bit-vecotr to an integer.</span> <a name="line-62"></a><span class='hs-definition'>bitVectorToInt</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>BitVector</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Integer</span> <a name="line-63"></a><span class='hs-definition'>bitVectorToInt</span> <span class='hs-layout'>(</span><span class='hs-num'>1</span><span class='hs-conop'>:></span><span class='hs-varid'>xv</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isBitVector</span> <span class='hs-varid'>xv</span> <a name="line-64"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>bitVectorToInt'</span> <span class='hs-varid'>xv</span> <span class='hs-layout'>(</span><span class='hs-varid'>lengthV</span> <span class='hs-varid'>xv</span><span class='hs-layout'>)</span> <span class='hs-comment'>-</span> <span class='hs-num'>2</span><span class='hs-varop'>^</span><span class='hs-layout'>(</span><span class='hs-varid'>lengthV</span> <span class='hs-varid'>xv</span><span class='hs-layout'>)</span> <a name="line-65"></a><span class='hs-definition'>bitVectorToInt</span> <span class='hs-layout'>(</span><span class='hs-num'>0</span><span class='hs-conop'>:></span><span class='hs-varid'>xv</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isBitVector</span> <span class='hs-varid'>xv</span> <a name="line-66"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>bitVectorToInt'</span> <span class='hs-varid'>xv</span> <span class='hs-layout'>(</span><span class='hs-varid'>lengthV</span> <span class='hs-varid'>xv</span><span class='hs-layout'>)</span> <a name="line-67"></a><span class='hs-definition'>bitVectorToInt</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-str'>"bitVectorToInt: Vector is not a BitVector!"</span> <a name="line-68"></a> <a name="line-69"></a> <a name="line-70"></a><a name="bitVectorToInt'"></a><span class='hs-comment'>-- |Helper function of 'bitVectorToInt'.</span> <a name="line-71"></a><span class='hs-definition'>bitVectorToInt'</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Integral</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Num</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Vector</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>t</span> <a name="line-72"></a><span class='hs-definition'>bitVectorToInt'</span> <span class='hs-conid'>NullV</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span> <a name="line-73"></a><span class='hs-definition'>bitVectorToInt'</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:></span><span class='hs-varid'>xv</span><span class='hs-layout'>)</span> <span class='hs-varid'>bit</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <span class='hs-varop'>*</span> <span class='hs-num'>2</span><span class='hs-varop'>^</span><span class='hs-layout'>(</span><span class='hs-varid'>bit</span><span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varop'>+</span> <span class='hs-varid'>bitVectorToInt'</span> <span class='hs-varid'>xv</span> <span class='hs-layout'>(</span><span class='hs-varid'>bit</span><span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <a name="line-74"></a> <a name="line-75"></a><a name="Parity"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Parity</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Even</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Odd</span> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span><span class='hs-layout'>,</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>)</span> <a name="line-76"></a> <a name="line-77"></a><a name="addEvenParityBit"></a><span class='hs-comment'>-- |To add even parity bit on the bit-vector in the tail.</span> <a name="line-78"></a><span class='hs-definition'>addEvenParityBit</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Num</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Vector</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Vector</span> <span class='hs-varid'>a</span> <a name="line-79"></a><span class='hs-definition'>addEvenParityBit</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>addParityBit</span> <span class='hs-conid'>Even</span> <a name="line-80"></a><a name="addOddParityBit"></a><span class='hs-comment'>-- |To add odd parity bit on the bit-vector in the tail.</span> <a name="line-81"></a><span class='hs-definition'>addOddParityBit</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Num</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Vector</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Vector</span> <span class='hs-varid'>a</span> <a name="line-82"></a><span class='hs-definition'>addOddParityBit</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>addParityBit</span> <span class='hs-conid'>Odd</span> <a name="line-83"></a> <a name="line-84"></a><a name="addParityBit"></a><span class='hs-definition'>addParityBit</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Num</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Parity</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Vector</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Vector</span> <span class='hs-varid'>a</span> <a name="line-85"></a><span class='hs-definition'>addParityBit</span> <span class='hs-varid'>p</span> <span class='hs-varid'>v</span> <a name="line-86"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isBitVector</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>p</span> <span class='hs-keyword'>of</span> <a name="line-87"></a> <span class='hs-conid'>Even</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>resZero</span> <span class='hs-varid'>even</span> <a name="line-88"></a> <span class='hs-conid'>Odd</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>resZero</span> <span class='hs-layout'>(</span><span class='hs-varid'>not</span> <span class='hs-varid'>even</span><span class='hs-layout'>)</span> <a name="line-89"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-str'>"addParity: Vector is not a BitVector"</span> <a name="line-90"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>even</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>evenNumber</span> <span class='hs-varid'>v</span> <a name="line-91"></a> <span class='hs-varid'>resZero</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>v</span> <span class='hs-varop'><+></span> <span class='hs-varid'>unitV</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>b</span> <span class='hs-keyword'>then</span> <span class='hs-num'>0</span> <span class='hs-keyword'>else</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <a name="line-92"></a> <a name="line-93"></a> <a name="line-94"></a><a name="removeParityBit"></a><span class='hs-comment'>-- |To remove the parity bit in the tail.</span> <a name="line-95"></a><span class='hs-definition'>removeParityBit</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Num</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Vector</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Vector</span> <span class='hs-varid'>t</span> <a name="line-96"></a><span class='hs-definition'>removeParityBit</span> <span class='hs-varid'>v</span> <a name="line-97"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isBitVector</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>takeV</span> <span class='hs-layout'>(</span><span class='hs-varid'>lengthV</span> <span class='hs-varid'>v</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>v</span> <a name="line-98"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-str'>"removeParityBit: Vector is not a BitVector "</span> <a name="line-99"></a> <a name="line-100"></a><a name="isEvenParity"></a><span class='hs-comment'>-- |To check the even parity of the bit-vector.</span> <a name="line-101"></a><span class='hs-definition'>isEvenParity</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Num</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Vector</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span> <a name="line-102"></a><span class='hs-definition'>isEvenParity</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>isParityCorrect</span> <span class='hs-conid'>Even</span> <a name="line-103"></a> <a name="line-104"></a><a name="isOddParity"></a><span class='hs-comment'>-- |To check the odd parity of the bit-vector.</span> <a name="line-105"></a><span class='hs-definition'>isOddParity</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Num</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Vector</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span> <a name="line-106"></a><span class='hs-definition'>isOddParity</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>isParityCorrect</span> <span class='hs-conid'>Odd</span> <a name="line-107"></a> <a name="line-108"></a><a name="isParityCorrect"></a><span class='hs-definition'>isParityCorrect</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Num</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Parity</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Vector</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span> <a name="line-109"></a><span class='hs-definition'>isParityCorrect</span> <span class='hs-conid'>Even</span> <span class='hs-varid'>xv</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>evenNumber</span> <span class='hs-varid'>xv</span> <a name="line-110"></a><span class='hs-definition'>isParityCorrect</span> <span class='hs-conid'>Odd</span> <span class='hs-varid'>xv</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>not</span> <span class='hs-varop'>$</span> <span class='hs-varid'>evenNumber</span> <span class='hs-varid'>xv</span> <a name="line-111"></a> <a name="line-112"></a><a name="evenNumber"></a><span class='hs-definition'>evenNumber</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Num</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Vector</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span> <a name="line-113"></a><span class='hs-definition'>evenNumber</span> <span class='hs-conid'>NullV</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span> <a name="line-114"></a><span class='hs-definition'>evenNumber</span> <span class='hs-layout'>(</span><span class='hs-num'>0</span><span class='hs-conop'>:></span><span class='hs-varid'>xv</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>xor</span> <span class='hs-conid'>False</span> <span class='hs-layout'>(</span><span class='hs-varid'>evenNumber</span> <span class='hs-varid'>xv</span><span class='hs-layout'>)</span> <a name="line-115"></a><span class='hs-definition'>evenNumber</span> <span class='hs-layout'>(</span><span class='hs-num'>1</span><span class='hs-conop'>:></span><span class='hs-varid'>xv</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>xor</span> <span class='hs-conid'>True</span> <span class='hs-layout'>(</span><span class='hs-varid'>evenNumber</span> <span class='hs-varid'>xv</span><span class='hs-layout'>)</span> <a name="line-116"></a><span class='hs-definition'>evenNumber</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-conop'>:></span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>error</span> <span class='hs-str'>"evenNumber: Vector is not a BitVector "</span> <a name="line-117"></a> <a name="line-118"></a><a name="xor"></a><span class='hs-definition'>xor</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span> <a name="line-119"></a><span class='hs-definition'>xor</span> <span class='hs-conid'>True</span> <span class='hs-conid'>False</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span> <a name="line-120"></a><span class='hs-definition'>xor</span> <span class='hs-conid'>False</span> <span class='hs-conid'>True</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span> <a name="line-121"></a><span class='hs-definition'>xor</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span> <a name="line-122"></a> </pre></body> </html>
distrib
>
Fedora
>
14
>
x86_64
>
media
>
updates
>
by-pkgid
>
a47f0719970f9f829128f311a437816d
>
files
>
335
