diff options
Diffstat (limited to 'manual')
-rw-r--r-- | manual/arith.texi | 8 | ||||
-rwxr-xr-x | manual/libm-err-tab.pl | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/manual/arith.texi b/manual/arith.texi index bfa236a50e..58f35781bb 100644 --- a/manual/arith.texi +++ b/manual/arith.texi @@ -414,6 +414,14 @@ This macro returns a nonzero value if @var{x} is subnormal. It is from TS 18661-1:2014. @end deftypefn +@comment math.h +@comment ISO +@deftypefn {Macro} int iszero (@emph{float-type} @var{x}) +@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}} +This macro returns a nonzero value if @var{x} is zero. It is from TS +18661-1:2014. +@end deftypefn + Another set of floating-point classification functions was provided by BSD. @Theglibc{} also supports these functions; however, we recommend that you use the ISO C99 macros in new code. Those are standard diff --git a/manual/libm-err-tab.pl b/manual/libm-err-tab.pl index adeadb8f55..2386772b85 100755 --- a/manual/libm-err-tab.pl +++ b/manual/libm-err-tab.pl @@ -78,7 +78,7 @@ use vars qw (%results @all_floats %suffices @all_functions); "scalbn", "sin", "sincos", "sinh", "sqrt", "tan", "tanh", "tgamma", "trunc", "y0", "y1", "yn" ); # fpclassify, isnormal, isfinite, isinf, isnan, issignaling, -# issubnormal, signbit, isgreater, isgreaterequal, isless, +# issubnormal, iszero, signbit, isgreater, isgreaterequal, isless, # islessequal, islessgreater, isunordered are not tabulated. if ($#ARGV == 0) { |