X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=lib%2Fisnanf-nolibm.h;h=9d550e0977507d46b507415647ff597f31ac4cf0;hb=dc84183747ce1703eb99685b5dbde1f65a143c06;hp=4f90031fbebc9e78101c31266a0abd2cdc0f5ff3;hpb=a2016c1de6e4884f6c8ed5cc498f3bf821c25ca4;p=debian%2Fgzip

diff --git a/lib/isnanf-nolibm.h b/lib/isnanf-nolibm.h
index 4f90031..9d550e0 100644
--- a/lib/isnanf-nolibm.h
+++ b/lib/isnanf-nolibm.h
@@ -1,5 +1,5 @@
 /* Test for NaN that does not need libm.
-   Copyright (C) 2007-2010 Free Software Foundation, Inc.
+   Copyright (C) 2007-2012 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -24,6 +24,13 @@
 # elif defined isnan
 #  undef isnanf
 #  define isnanf(x) isnan ((float)(x))
+# else
+   /* Get declaration of isnanf(), if not declared in <math.h>.  */
+#  if defined __sgi
+   /* We can't include <ieeefp.h>, because it conflicts with our definition of
+      isnand.  Therefore declare isnanf separately.  */
+extern int isnanf (float x);
+#  endif
 # endif
 #else
 /* Test whether X is a NaN.  */