values.h does not exist on MacOS X

[shadow@…]

HEAD won't compile on OS X without this:
--- alg/thinplatespline.cpp     26 Dec 2004 16:12:21 -0000      1.2
+++ alg/thinplatespline.cpp     28 Dec 2004 02:05:04 -0000
@@ -41,7 +41,7 @@
 
 #include "thinplatespline.h"
 
-#ifdef WIN32
+#if defined(WIN32) || (defined(__APPLE__) && defined(__MACH__))
 #  include <float.h>
 #else
 #  include <values.h>

[warmerdam]

Derrick,

I have committed a change to the configuration stuff and thinplatespline.c
to check for existance of float.h and values.h.  Now things seem to build ok
on my macos x system and my fix is hopefully less fragile than my earlier
win32/nonwin32 approach.

Thanks!