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Diffstat (limited to 'manual/arith.texi')
| -rw-r--r-- | manual/arith.texi | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/manual/arith.texi b/manual/arith.texi index f0f3bb4031..07dd733844 100644 --- a/manual/arith.texi +++ b/manual/arith.texi @@ -1914,6 +1914,24 @@ integer, or positive zero, represented as a floating-point number); if floating-point exceptions even for signaling NaNs. @end deftypefun +@comment math.h +@comment ISO +@deftypefun int setpayload (double *@var{x}, double @var{payload}) +@comment math.h +@comment ISO +@deftypefunx int setpayloadf (float *@var{x}, float @var{payload}) +@comment math.h +@comment ISO +@deftypefunx int setpayloadl (long double *@var{x}, long double @var{payload}) +@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}} +These functions, defined by TS 18661-1:2014, set the object pointed to +by @var{x} to a quiet NaN with payload @var{payload} and a zero sign +bit and return zero. If @var{payload} is not a positive-signed +integer that is a valid payload for a quiet NaN of the given type, the +object pointed to by @var{x} is set to positive zero and a nonzero +value is returned. They raise no floating-point exceptions. +@end deftypefun + @node FP Comparison Functions @subsection Floating-Point Comparison Functions @cindex unordered comparison |