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Diffstat (limited to 'src/algebra/data.spad.pamphlet')
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diff --git a/src/algebra/data.spad.pamphlet b/src/algebra/data.spad.pamphlet new file mode 100644 index 00000000..b67fca76 --- /dev/null +++ b/src/algebra/data.spad.pamphlet @@ -0,0 +1,102 @@ +\documentclass{article} +\usepackage{axiom} + +\author{Gabriel Dos~Reis} + +\begin{document} + +\begin{abstract} +\end{abstract} + +\tableofcontents +\eject + +\section{The Byte domain} + +<<domain BYTE Byte>>= +import NonNegativeInteger +import OutputForm +)abbrev domain BYTE Byte +++ Author: Gabriel Dos Reis +++ Date Created: April 19, 2008 +++ Related Constructor: +++ Description: +++ Byte is the datatype of 8-bit sized unsigned integer values. +Byte(): Public == Private where + Public ==> Join(OrderedSet, CoercibleTo NonNegativeInteger) with + coerce: NonNegativeInteger -> % + ++ coerce(x) injects the unsigned integer value `v' into + ++ the Byte algebra. `v' must be non-negative and less than 256. + + Private ==> add + coerce(x: NonNegativeInteger): % == + byteGreaterEqual(x,256$Lisp)$Lisp => + userError "integer value cannot be represented by a byte" + x : % + + coerce(x: %): NonNegativeInteger == + x : NonNegativeInteger + + coerce(x: %): OutputForm == + x::NonNegativeInteger::OutputForm + + x < y == + byteLessThan(x,y)$Lisp +@ + + +\section{The ByteArray domain} + +<<domain BYTEARY ByteArray>>= +import PrimitiveArray +import Byte +)abbrev domain BYTEARY ByteArray +++ Author: Gabriel Dos Reis +++ Date Created: April 19, 2008 +++ Related Constructor: +++ Description: +++ ByteArray provides datatype for fix-sized buffer of bytes. +ByteArray() == PrimitiveArray Byte +@ + + +\section{License} +<<license>>= +--Copyright (C) 2007-2008, Gabriel Dos Reis. +--All rights reserved. +-- +--Redistribution and use in source and binary forms, with or without +--modification, are permitted provided that the following conditions are +--met: +-- +-- - Redistributions of source code must retain the above copyright +-- notice, this list of conditions and the following disclaimer. +-- +-- - Redistributions in binary form must reproduce the above copyright +-- notice, this list of conditions and the following disclaimer in +-- the documentation and/or other materials provided with the +-- distribution. +-- +-- - Neither the name of The Numerical Algorithms Group Ltd. nor the +-- names of its contributors may be used to endorse or promote products +-- derived from this software without specific prior written permission. +-- +--THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS +--IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +--TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A +--PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER +--OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +--EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +--PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +--PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +--LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +--NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +--SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +@ + + +<<*>>= +<<license>> +<<domain BYTE Byte>> +<<domain BYTEARY ByteArray>> +@ |