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Diffstat (limited to 'manual/arith.texi')
| -rw-r--r-- | manual/arith.texi | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/manual/arith.texi b/manual/arith.texi index 8dcd409cbd..3a04bc2d62 100644 --- a/manual/arith.texi +++ b/manual/arith.texi @@ -834,6 +834,17 @@ Note that the value stored in @code{fexcept_t} bears no resemblance to the bit mask returned by @code{fetestexcept}. The type may not even be an integer. Do not attempt to modify an @code{fexcept_t} variable. +@comment fenv.h +@comment ISO +@deftypefun int fetestexceptflag (const fexcept_t *@var{flagp}, int @var{excepts}) +@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}} +Test whether the exception flags indicated by the parameter +@var{excepts} are set in the variable pointed to by @var{flagp}. If +any of them are, a nonzero value is returned which specifies which +exceptions are set. Otherwise the result is zero. +@code{fetestexceptflag} is from TS 18661-1:2014. +@end deftypefun + @node Math Error Reporting @subsection Error Reporting by Mathematical Functions @cindex errors, mathematical |