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Diffstat (limited to 'doc/lispref/numbers.texi')
| -rw-r--r-- | doc/lispref/numbers.texi | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/lispref/numbers.texi b/doc/lispref/numbers.texi index b329a10b084..3c70d2f0a06 100644 --- a/doc/lispref/numbers.texi +++ b/doc/lispref/numbers.texi @@ -224,7 +224,7 @@ distinguish them. @cindex NaN The @acronym{IEEE} floating-point standard supports positive infinity and negative infinity as floating-point values. It also -provides for a class of values called NaN or not a number; +provides for a class of values called NaN, or ``not a number''; numerical functions return such values in cases where there is no correct answer. For example, @code{(/ 0.0 0.0)} returns a NaN@. Although NaN values carry a sign, for practical purposes there is no other @@ -1217,7 +1217,8 @@ fashion. The numbers are not truly random, but they have certain properties that mimic a random series. For example, all possible values occur equally often in a pseudo-random series. - Pseudo-random numbers are generated from a seed. Starting from +@cindex seed, for random number generation + Pseudo-random numbers are generated from a @dfn{seed value}. Starting from any given seed, the @code{random} function always generates the same sequence of numbers. By default, Emacs initializes the random seed at startup, in such a way that the sequence of values of @code{random} |