move floating-point configuration to new header file src/config.hh

and change everyone else to #include this


git-svn-id: http://svn.einsteintoolkit.org/cactus/EinsteinAnalysis/AHFinderDirect/trunk@500 f88db872-0e4f-0410-b76b-b9085cfa78c5

1 files changed, 33 insertions, 0 deletions

diff --git a/src/config.hh b/src/config.hh
new file mode 100644
index 0000000..efe7e4b
--- /dev/null
+++ b/src/config.hh
@@ -0,0 +1,33 @@
+// config.hh -- compile-time configuration for AHFinderDirect
+// $Id$
+
+#ifdef CCTK_VARIABLE_REAL
+   // CCTK_REAL is defined
+   typedef CCTK_REAL fp;
+#else
+   // we must be doing a test compilation outside of Cactus
+   // FIXME: this is just a hack until my Cactus problem report #725
+   //	     is acted on and Cactus defines these
+   #define CCTK_REAL_CTYPE_FLOAT	4
+   #define CCTK_REAL_CTYPE_DOUBLE	8
+   #define CCTK_REAL_CTYPE_LONG_DOUBLE	16
+
+   typedef double fp;
+   #define CCTK_REAL_CTYPE	CCTK_REAL_CTYPE_DOUBLE
+#endif
+
+// scanf(3) formats for reading fp values
+#if   (CCTK_REAL_CTYPE == CCTK_REAL_CTYPE_FLOAT)
+  #define FP_SCANF_FORMAT "%f"
+#elif (CCTK_REAL_CTYPE == CCTK_REAL_CTYPE_DOUBLE)
+  #define FP_SCANF_FORMAT "%lf"
+#else
+  #error "don't know scanf(3) format for this CCTK_REAL!"
+#endif
+
+// FIXME: another hack
+#ifdef FINITE_DIFF_ORDER
+  // someone (probably a Makefile) has already defined this ==> leave it alone
+#else
+  #define FINITE_DIFF_ORDER	4
+#endif