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Diffstat (limited to 'manual/math.texi')
| -rw-r--r-- | manual/math.texi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/manual/math.texi b/manual/math.texi index a703e890a2..2b7cb82f5e 100644 --- a/manual/math.texi +++ b/manual/math.texi @@ -698,6 +698,11 @@ the processor understands. But on machines missing these functions, the macros above might be rather slow. So it is best to use the builtin operators unless it is necessary to use unordered comparisons. +@strong{Note:} There are no macros @code{isequal} or @code{isunequal}. +These macros are not necessary since the @w{IEEE 754} standard requires +that the comparison for equality and unequality do @emph{not} throw an +exception if one of the arguments is an unordered value. + @node Trig Functions @section Trigonometric Functions |