Need to #include <math.h> now that Stg.h doesn't.
/* -----------------------------------------------------------------------------
- * $Id: HsBase.h,v 1.9 2002/07/04 13:33:25 simonmar Exp $
+ * $Id: HsBase.h,v 1.10 2002/07/17 09:22:20 simonmar Exp $
*
* (c) The University of Glasgow 2001-2002
*
#include <stdio.h>
#include <stdlib.h>
+#include <math.h>
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>