diff options
Diffstat (limited to 'lib/isnan.c')
| -rw-r--r-- | lib/isnan.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/isnan.c b/lib/isnan.c index bd119f69..c7d84e8d 100644 --- a/lib/isnan.c +++ b/lib/isnan.c @@ -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 @@ -82,9 +82,10 @@ typedef union { DOUBLE value; unsigned int word[NWORDS]; } memory_double; /* Most hosts nowadays use IEEE floating point, so they use IEC 60559 representations, have infinities and NaNs, and do not trap on exceptions. Define IEEE_FLOATING_POINT if this host is one of the - typical ones. The C11 macro __STDC_IEC_559__ is close to what is + typical ones. The C23 macro __STDC_IEC_60559_BFP__ macro (or its cousin, + the now-obsolescent C11 macro __STDC_IEC_559__) is close to what is wanted here, but is not quite right because this file does not require - all the features of C11 Annex F (and does not require C11 at all, + all the features of C23 Annex F (and works even with pre-C11 platforms, for that matter). */ #define IEEE_FLOATING_POINT (FLT_RADIX == 2 && FLT_MANT_DIG == 24 \ |