diff options
Diffstat (limited to 'gnulib-m4/isnanf.m4')
| -rw-r--r-- | gnulib-m4/isnanf.m4 | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/gnulib-m4/isnanf.m4 b/gnulib-m4/isnanf.m4 index c0dcdb74..44c825a1 100644 --- a/gnulib-m4/isnanf.m4 +++ b/gnulib-m4/isnanf.m4 @@ -1,5 +1,5 @@ -# isnanf.m4 serial 15 -dnl Copyright (C) 2007-2018 Free Software Foundation, Inc. +# isnanf.m4 serial 18 +dnl Copyright (C) 2007-2022 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -74,9 +74,9 @@ AC_DEFUN([gl_HAVE_ISNANF_NO_LIBM], AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[#include <math.h> - #if __GNUC__ >= 4 + #if (__GNUC__ >= 4) || (__clang_major__ >= 4) # undef isnanf - # define isnanf(x) __builtin_isnanf ((float)(x)) + # define isnanf(x) __builtin_isnan ((float)(x)) #elif defined isnan # undef isnanf # define isnanf(x) isnan ((float)(x)) @@ -99,9 +99,9 @@ AC_DEFUN([gl_HAVE_ISNANF_IN_LIBM], AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[#include <math.h> - #if __GNUC__ >= 4 + #if (__GNUC__ >= 4) || (__clang_major__ >= 4) # undef isnanf - # define isnanf(x) __builtin_isnanf ((float)(x)) + # define isnanf(x) __builtin_isnan ((float)(x)) #elif defined isnan # undef isnanf # define isnanf(x) isnan ((float)(x)) @@ -127,9 +127,9 @@ AC_DEFUN([gl_ISNANF_WORKS], AC_RUN_IFELSE( [AC_LANG_SOURCE([[ #include <math.h> -#if __GNUC__ >= 4 +#if (__GNUC__ >= 4) || (__clang_major__ >= 4) # undef isnanf -# define isnanf(x) __builtin_isnanf ((float)(x)) +# define isnanf(x) __builtin_isnan ((float)(x)) #elif defined isnan # undef isnanf # define isnanf(x) isnan ((float)(x)) @@ -169,7 +169,7 @@ int main() m.value = NaN (); /* Set the bits below the exponent to 01111...111. */ m.word[0] &= -1U << FLT_EXPBIT0_BIT; - m.word[0] |= 1U << (FLT_EXPBIT0_BIT - 1) - 1; + m.word[0] |= (1U << (FLT_EXPBIT0_BIT - 1)) - 1; if (!isnanf (m.value)) result |= 4; } |