diff options
Diffstat (limited to 'lib/isnand-nolibm.h')
| -rw-r--r-- | lib/isnand-nolibm.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/isnand-nolibm.h b/lib/isnand-nolibm.h index aad13915..4d8b0e8f 100644 --- a/lib/isnand-nolibm.h +++ b/lib/isnand-nolibm.h @@ -1,5 +1,5 @@ /* Test for NaN that does not need libm. - Copyright (C) 2007-2022 Free Software Foundation, Inc. + Copyright (C) 2007-2024 Free Software Foundation, Inc. This file is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as @@ -14,6 +14,11 @@ You should have received a copy of the GNU Lesser General Public License along with this program. If not, see <https://www.gnu.org/licenses/>. */ +/* This file uses HAVE_ISNAND_IN_LIBC. */ +#if !_GL_CONFIG_H_INCLUDED + #error "Please include config.h first." +#endif + #if HAVE_ISNAND_IN_LIBC /* Get declaration of isnan macro. */ # include <math.h> |