aboutsummaryrefslogtreecommitdiff
path: root/manual
diff options
context:
space:
mode:
Diffstat (limited to 'manual')
-rw-r--r--manual/arith.texi8
-rwxr-xr-xmanual/libm-err-tab.pl6
2 files changed, 11 insertions, 3 deletions
diff --git a/manual/arith.texi b/manual/arith.texi
index dc3c367..bfa236a 100644
--- a/manual/arith.texi
+++ b/manual/arith.texi
@@ -406,6 +406,14 @@ This macro returns a nonzero value if @var{x} is a signaling NaN
(sNaN). It is from TS 18661-1:2014.
@end deftypefn
+@comment math.h
+@comment ISO
+@deftypefn {Macro} int issubnormal (@emph{float-type} @var{x})
+@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}}
+This macro returns a nonzero value if @var{x} is subnormal. 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 c2792c5..adeadb8 100755
--- a/manual/libm-err-tab.pl
+++ b/manual/libm-err-tab.pl
@@ -77,9 +77,9 @@ use vars qw (%results @all_floats %suffices @all_functions);
"nextup", "pow", "remainder", "remquo", "rint", "round", "scalb",
"scalbn", "sin", "sincos", "sinh", "sqrt", "tan", "tanh", "tgamma",
"trunc", "y0", "y1", "yn" );
-# fpclassify, isnormal, isfinite, isinf, isnan, issignaling, signbit,
-# isgreater, isgreaterequal, isless, islessequal, islessgreater, isunordered
-# are not tabulated.
+# fpclassify, isnormal, isfinite, isinf, isnan, issignaling,
+# issubnormal, signbit, isgreater, isgreaterequal, isless,
+# islessequal, islessgreater, isunordered are not tabulated.
if ($#ARGV == 0) {
$sources = $ARGV[0];