* remove space before #define to work around a Cactus preprocessor bug

* convert to C-style comments
* move typedefs into   #ifdef CCODE
==> can now be #included by Fortran code too


git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinAnalysis/AHFinderDirect/trunk@756 f88db872-0e4f-0410-b76b-b9085cfa78c5

1 files changed, 50 insertions, 24 deletions

diff --git a/src/include/config.hh b/src/include/config.hh
index d1dd414..09ed4a3 100644
--- a/src/include/config.hh
+++ b/src/include/config.hh
@@ -1,43 +1,69 @@
-// config.hh -- compile-time configuration for AHFinderDirect
-// $Header$
+/* config.hh -- compile-time configuration for AHFinderDirect */
+/* $Header$ */
 
-//
-// prerequisites:
-//	"cctk.h" or "fake_cctk.h"
-//
+/*
+ * This header file is #included by C++ and C files, and also by
+ * Fortran 77 files which are run through a C-like preprocessor.  Alas,
+ * due to a Cactus bug, this means that all preprocessor commands in
+ * Fortran sections of this file, must start in column 1. :( :(
+ *
+ * FIXME: should rename this to "config.h"
+ */
 
+/*
+ * prerequisites:
+ *	"cctk.h" or "fake_cctk.h"
+ */
+
+/******************************************************************************/
+
+/*
+ * definitions for C/C++ only
+ */
+
+#ifdef CCODE
 typedef CCTK_REAL fp;
 
-// Fortran 'integer' type
+/* Fortran 'integer' type */
 typedef CCTK_INT integer;
+#endif	/* CCODE */
+
+/******************************************************************************/
+
+/*
+ * definitions for C++, C, and Fortran
+ */
 
-// FIXME: this assumes fp == C 'double'
-//	  (CCTK_REAL_PRECISION_{4,8,16} are helpful, but not quite enough)
+/*
+ * FIXME: this assumes fp == C 'double'
+ * CCTK_REAL_PRECISION_{4,8,16} are helpful, but not quite enough)
+ */
 #undef  FP_IS_FLOAT
 #define FP_IS_DOUBLE
 
 #if   defined(FP_IS_FLOAT)
-  #define FP_SCANF_FORMAT "%f"
+#define FP_SCANF_FORMAT "%f"
 #elif defined(FP_IS_DOUBLE)
-  #define FP_SCANF_FORMAT "%lf"
+#define FP_SCANF_FORMAT "%lf"
 #else
-  #error "don't know fp datatype!"
+#error "don't know fp datatype!"
 #endif
 
-//
-// The angular finite differencing in our multipatch system can be
-// either 2nd order or 4th order, configurable here.
-//
+/*
+ * The angular finite differencing in our multipatch system can be
+ * either 2nd order or 4th order, configurable here.
+ */
 #ifdef FINITE_DIFF_ORDER
-  // someone (probably a Makefile) has already defined this ==> leave it alone
+/* someone (probably a Makefile) has already defined this */
+/* ==> leave it alone */
 #else
-  #define FINITE_DIFF_ORDER	4
+#define FINITE_DIFF_ORDER	4
 #endif
 
-//
-// What types of Jacobian matrix storage do we want to compile in
-// support for?  N.b. each of these requires linking with the corresponding
-// linear-solver library; see "../make.configuration.defn" for details
-// on these libraries.
-//
+/*
+ * What types of Jacobian matrix storage do we want to compile in
+ * support for?  N.b. each of these requires linking with the corresponding
+ * linear-solver library; see "../make.configuration.defn" for details
+ * on these libraries.
+ */
 #define HAVE_DENSE_JACOBIAN