summaryrefslogtreecommitdiff
path: root/lib/isnanf-nolibm.h
diff options
context:
space:
mode:
authorManuel A. Fernandez Montecelo <manuel.montezelo@gmail.com>2016-05-27 14:35:16 +0100
committerManuel A. Fernandez Montecelo <manuel.montezelo@gmail.com>2016-05-27 14:35:16 +0100
commit3590c846d4c2febbc05b4ad6b14a06edc549e453 (patch)
treee5d38581c2f36e1cca02efedd2d85044d77f76f9 /lib/isnanf-nolibm.h
parenta9a31b1de5776a3b08a82101a4fa711294f0dd1d (diff)
Imported Upstream version 0.9.6+really0.9.6upstream/0.9.6+really0.9.6
Diffstat (limited to 'lib/isnanf-nolibm.h')
-rw-r--r--lib/isnanf-nolibm.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/isnanf-nolibm.h b/lib/isnanf-nolibm.h
index 5e292073..b3a280c7 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) 2007-2015 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser 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. */