gnu: Add fasthenry.

* gnu/packages/engineering.scm (fasthenry): New variable.
* gnu/packages/patches/fasthenry-spAllocate.patch,
  gnu/packages/patches/fasthenry-spBuild.patch,
  gnu/packages/patches/fasthenry-spFactor.patch,
  gnu/packages/patches/fasthenry-spSolve.patch,
  gnu/packages/patches/fasthenry-spUtils.patch: New files.
* gnu-system.am (dist_patch_DATA): Add them.

gnu-system.am

@@ -435,6 +435,11 @@ dist_patch_DATA =						\
   gnu/packages/patches/expat-CVE-2015-1283.patch		\
   gnu/packages/patches/fastcap-mulGlobal.patch			\
   gnu/packages/patches/fastcap-mulSetup.patch			\
+  gnu/packages/patches/fasthenry-spAllocate.patch		\
+  gnu/packages/patches/fasthenry-spBuild.patch			\
+  gnu/packages/patches/fasthenry-spUtils.patch			\
+  gnu/packages/patches/fasthenry-spSolve.patch			\
+  gnu/packages/patches/fasthenry-spFactor.patch			\
   gnu/packages/patches/findutils-absolute-paths.patch		\
   gnu/packages/patches/findutils-localstatedir.patch		\
   gnu/packages/patches/flashrom-use-libftdi1.patch		\

gnu/packages/engineering.scm

@@ -314,3 +314,53 @@ (define-public fastcap
      "Fastcap is a capacitance extraction program based on a
 multipole-accelerated algorithm.")
     (license (license:non-copyleft #f "See fastcap.c."))))
+
+(define-public fasthenry
+  (package
+    (name "fasthenry")
+    (version "3.0-12Nov96")
+    (source (origin
+              (method url-fetch)
+              (file-name (string-append name "-" version ".tar.gz"))
+              (uri (string-append
+                    "http://www.rle.mit.edu/cpg/codes/" name
+                    "-" version ".tar.z"))
+              (sha256
+               (base32 "1a06xyyd40zhknrkz17xppl2zd5ig4w9g1grc8qrs0zqqcl5hpzi"))
+              (patches (list (search-patch "fasthenry-spAllocate.patch")
+                             (search-patch "fasthenry-spBuild.patch")
+                             (search-patch "fasthenry-spUtils.patch")
+                             (search-patch "fasthenry-spSolve.patch")
+                             (search-patch "fasthenry-spFactor.patch")))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:make-flags '("CC=gcc" "RM=rm" "SHELL=sh" "all")
+       #:parallel-build? #f
+       #:tests? #f ;; no tests-suite
+       #:modules ((srfi srfi-1)
+                  ,@%gnu-build-system-modules)
+       #:phases
+       (modify-phases %standard-phases
+         (delete 'configure)
+         (replace 'install
+                  (lambda* (#:key outputs #:allow-other-keys)
+                    (let* ((out (assoc-ref outputs "out"))
+                           (data (string-append out "/share"))
+                           (bin (string-append out "/bin"))
+                           (doc (string-append data "/doc/" ,name "-" ,version))
+                           (examples (string-append doc "/examples")))
+                      (with-directory-excursion "bin"
+                        (mkdir-p bin)
+                        (for-each
+                         (lambda (f)
+                           (copy-file f (string-append bin "/" (basename f))))
+                         (find-files "." ".*")))
+                      (copy-recursively "doc" doc)
+                      (copy-recursively "examples" examples)
+                      #t))))))
+    (home-page "http://www.rle.mit.edu/cpg/research_codes.htm")
+    (synopsis "Multipole-accelerated inductance analysis program")
+    (description
+     "Fasthenry is an inductance extraction program based on a
+multipole-accelerated algorithm.")
+    (license (license:non-copyleft #f "See induct.c."))))

gnu/packages/patches/fasthenry-spAllocate.patch

@@ -0,0 +1,15 @@
+Add forward declarations.
+
+--- fasthenry-3.0/src/fasthenry/sparse/spAllocate.c.orig	2015-07-22 09:45:28.864758891 +0200
++++ fasthenry-3.0/src/fasthenry/sparse/spAllocate.c	2015-07-22 13:04:17.579742206 +0200
+@@ -107,7 +107,9 @@
+ #include "spDefs.h"
+ 
+ 
+-
++static InitializeElementBlocks( MatrixPtr, int, int );
++static RecordAllocation( MatrixPtr, char* );
++static AllocateBlockOfAllocationList( MatrixPtr );
+ 
+ 
+ 

gnu/packages/patches/fasthenry-spBuild.patch

@@ -0,0 +1,13 @@
+Add forward declarations.
+
+--- fasthenry-3.0/src/fasthenry/sparse/spBuild.c.orig	2015-07-22 10:13:30.884638176 +0200
++++ fasthenry-3.0/src/fasthenry/sparse/spBuild.c	2015-07-22 13:08:48.862973419 +0200
+@@ -106,6 +106,8 @@
+ #include "spDefs.h"
+ 
+ 
++static void Translate( MatrixPtr, int*, int* );
++static ExpandTranslationArrays( MatrixPtr, register int );
+ 
+ 
+ 

gnu/packages/patches/fasthenry-spFactor.patch

@@ -0,0 +1,35 @@
+Add forward declarations.
+
+--- fasthenry-3.0/src/fasthenry/sparse/spFactor.c.orig	2015-07-22 10:37:04.934043468 +0200
++++ fasthenry-3.0/src/fasthenry/sparse/spFactor.c	2015-07-22 12:52:55.515636802 +0200
+@@ -105,7 +105,29 @@
+ #include "spDefs.h"
+ 
+ 
+-
++static int FactorComplexMatrix( MatrixPtr );
++static CreateInternalVectors( MatrixPtr );
++static CountMarkowitz( MatrixPtr, register RealVector, int );
++static MarkowitzProducts( MatrixPtr, int );
++static ElementPtr SearchForPivot( MatrixPtr, int, int );
++static ElementPtr SearchForSingleton( MatrixPtr, int );
++static ElementPtr QuicklySearchDiagonal( MatrixPtr, int );
++static ElementPtr SearchDiagonal( MatrixPtr, register int );
++static ElementPtr SearchEntireMatrix( MatrixPtr, int );
++static RealNumber FindLargestInCol( register  ElementPtr );
++static RealNumber FindBiggestInColExclude( MatrixPtr, register  ElementPtr,
++                                           register  int );
++static ExchangeRowsAndCols( MatrixPtr, ElementPtr, register int );
++static ExchangeColElements( MatrixPtr, int, register  ElementPtr,
++                            int, register  ElementPtr, int );
++static ExchangeRowElements( MatrixPtr, int, register ElementPtr,
++                            int, register ElementPtr, int );
++static RealRowColElimination( MatrixPtr, register  ElementPtr );
++static ComplexRowColElimination( MatrixPtr, register  ElementPtr );
++static UpdateMarkowitzNumbers( MatrixPtr, ElementPtr );
++static ElementPtr CreateFillin( MatrixPtr, register int, int );
++static int MatrixIsSingular( MatrixPtr, int );
++static int ZeroPivot( MatrixPtr, int );
+ 
+ 
+ 

gnu/packages/patches/fasthenry-spSolve.patch

@@ -0,0 +1,12 @@
+Add forward declarations.
+
+--- fasthenry-3.0/src/fasthenry/sparse/spSolve.c.orig	2015-07-22 12:06:20.502771958 +0200
++++ fasthenry-3.0/src/fasthenry/sparse/spSolve.c	2015-07-22 12:12:03.822798513 +0200
+@@ -95,6 +95,7 @@
+ #include "spDefs.h"
+ 
+ 
++static void SolveComplexMatrix( MatrixPtr, RealVector, RealVector );
+ 
+ 
+ 

gnu/packages/patches/fasthenry-spUtils.patch

@@ -0,0 +1,12 @@
+Add forward declarations.
+
+--- fasthenry-3.0/src/fasthenry/sparse/spUtils.c.orig	2015-07-22 12:12:52.579370846 +0200
++++ fasthenry-3.0/src/fasthenry/sparse/spUtils.c	2015-07-22 12:14:09.636275633 +0200
+@@ -107,6 +107,7 @@
+ #include "spDefs.h"
+ 
+ 
++static RealNumber ComplexCondition( MatrixPtr, RealNumber, int* );
+ 
+ 
+