(fontset_find_font): Check if rfont_def is Qnil or not.

[bpt/emacs.git] / src / floatfns.c

diff --git a/src/floatfns.c b/src/floatfns.c
index 5600d98..15077ef 100644 (file)
--- a/src/floatfns.c
+++ b/src/floatfns.c
@@ -1,6 +1,9 @@
 /* Primitive operations on floating point for GNU Emacs Lisp interpreter.
    Copyright (C) 1988, 1993, 1994, 1999, 2001, 2002, 2003, 2004,
-                 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
+                 2005, 2006, 2007, 2008, 2009  Free Software Foundation, Inc.
+
+Author: Wolfgang Rupprecht
+(according to ack.texi)
 
 This file is part of GNU Emacs.
 
@@ -62,16 +65,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #endif
 #endif
 
-/* Work around a problem that happens because math.h on hpux 7
-   defines two static variables--which, in Emacs, are not really static,
-   because `static' is defined as nothing.  The problem is that they are
-   defined both here and in lread.c.
-   These macros prevent the name conflict.  */
-#if defined (HPUX) && !defined (HPUX8)
-#define _MAXLDBL floatfns_maxldbl
-#define _NMAXLDBL floatfns_nmaxldbl
-#endif
-
 #include <math.h>
 
 /* This declaration is omitted on some systems, like Ultrix.  */
@@ -111,16 +104,6 @@ extern int errno;
 #endif
 #endif
 
-/* Avoid traps on VMS from sinh and cosh.
-   All the other functions set errno instead.  */
-
-#ifdef VMS
-#undef cosh
-#undef sinh
-#define cosh(x) ((exp(x)+exp(-x))*0.5)
-#define sinh(x) ((exp(x)-exp(-x))*0.5)
-#endif /* VMS */
-
 #ifdef FLOAT_CATCH_SIGILL
 static SIGTYPE float_error ();
 #endif
@@ -972,11 +955,7 @@ float_error (signo)
     fatal_error_signal (signo);
 
 #ifdef BSD_SYSTEM
-#ifdef BSD4_1
-  sigrelse (SIGILL);
-#else /* not BSD4_1 */
   sigsetmask (SIGEMPTYMASK);
-#endif /* not BSD4_1 */
 #else
   /* Must reestablish handler each time it is called.  */
   signal (SIGILL, float_error);