Initial population.

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+\documentclass{article}
+\usepackage{axiom}
+\begin{document}
+\title{\$SPAD/src/algebra nrc.as}
+\author{Michael Richardson}
+\maketitle
+\begin{abstract}
+\end{abstract}
+\eject
+\tableofcontents
+\eject
+\section{NagResultChecks}
+<<NagResultChecks>>=
++++ Author: M.G. Richardson
++++ Date Created: 1995 Dec. 06
++++ Date Last Updated:
++++ Basic Functions:
++++ Related Constructors:
++++ Also See:
++++ AMS Classifications:
++++ Keywords:
++++ References:
++++ Description:
+
+NagResultChecks: with {
+
+  checkResult   : (RSLT, STRG, STRG) -> DF ;
+  checkCxResult : (RSLT, STRG, STRG) -> CDF ;
+  checkMxCDF    : (RSLT, STRG, STRG) -> MCDF ;
+  checkMxDF     : (RSLT, STRG, STRG) -> MDF ;
+
+} == add {
+
+  import from DF ;
+  import from SMBL ;
+  import from INT ;
+  import from AnyFunctions1 INT ;
+  import from AnyFunctions1 DF ;
+  import from AnyFunctions1 CDF ;
+  import from AnyFunctions1 MDF ;
+  import from AnyFunctions1 MCDF ;
+  import from ErrorFunctions ;
+  import from STRG ;
+  import from List STRG ;
+
+  checkResult(returnValue : RSLT, returnKey : STRG, routine : STRG) : DF ==
+    if not zero?(retract(returnValue."ifail") @ INT)
+       then nagError(routine, retract(returnValue."ifail") @ INT)
+       else retract(returnValue.(returnKey::SMBL)) @ DF ;
+  
+  checkCxResult(returnValue : RSLT, returnKey : STRG, routine : STRG) : CDF ==
+    if not zero?(retract(returnValue."ifail") @ INT)
+       then nagError(routine, retract(returnValue."ifail") @ INT)
+       else retract(returnValue.(returnKey::SMBL)) @ CDF ;
+  
+  checkMxDF(returnValue : RSLT, returnKey : STRG, routine : STRG) : MDF ==
+    if not zero?(retract(returnValue."ifail") @ INT)
+       then nagError(routine, retract(returnValue."ifail") @ INT)
+       else retract(returnValue.(returnKey::SMBL)) @ MDF ;
+  
+  checkMxCDF(returnValue : RSLT, returnKey : STRG, routine : STRG) : MCDF ==
+    if not zero?(retract(returnValue."ifail") @ INT)
+       then nagError(routine, retract(returnValue."ifail") @ INT)
+       else retract(returnValue.(returnKey::SMBL)) @ MCDF ;
+  
+  nagError(routine : STRG, opIfail : INT) : Exit ==
+    error ["An error was detected when calling the NAG Library routine ",
+           routine,
+           ".  The error number (IFAIL value) is ",
+           string(opIfail),
+           ", please consult the NAG manual via the Browser for",
+	   " diagnostic information."] ;
+}
+
+@
+\section{License}
+<<license>>=
+--Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
+--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>>
+
+-- N.B. ndftip.as, nqip.as and nsfip.as inline from nrc
+-- and must be recompiled if this is.
+ 
+#include "axiom.as"
+
+DF   ==> DoubleFloat ;
+CDF  ==> Complex DoubleFloat ;
+MDF  ==> Matrix DoubleFloat ;
+MCDF ==> Matrix Complex DoubleFloat ;
+INT  ==> Integer ;
+RSLT ==> Result ;
+SMBL ==> Symbol ;
+STRG ==> String ;
+
+<<NagResultChecks>>
+@
+\eject
+\begin{thebibliography}{99}
+\bibitem{1} nothing
+\end{thebibliography}
+\end{document}