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Diffstat (limited to 'manual/arith.texi')
| -rw-r--r-- | manual/arith.texi | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/manual/arith.texi b/manual/arith.texi index 75d34c8427..282ca45e08 100644 --- a/manual/arith.texi +++ b/manual/arith.texi @@ -1968,6 +1968,20 @@ increasing payload; positive quiet NaNs, in order of increasing payload. @end deftypefun +@comment math.h +@comment ISO +@deftypefun int totalordermag (double @var{x}, double @var{y}) +@comment ISO +@deftypefunx int totalordermagf (float @var{x}, float @var{y}) +@comment ISO +@deftypefunx int totalordermagl (long double @var{x}, long double @var{y}) +@safety{@prelim{}@mtsafe{}@assafe{}@acsafe{}} +These functions determine whether the total order relationship, +defined in IEEE 754-2008, is true for the absolute values of @var{x} +and @var{y}, returning nonzero if it is true and zero if it is false. +No exceptions are raised even for signaling NaNs. +@end deftypefun + Not all machines provide hardware support for these operations. On machines that don't, the macros can be very slow. Therefore, you should not use these functions when NaN is not a concern. |