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Clarify when fixnums are used.

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* doc/lispref/numbers.texi (Integer Basics): Clarify.
Based on a suggestion by Noam Postavsky (Bug#39557#32).
This commit is contained in:
Paul Eggert 2020-02-17 13:54:07 -08:00
parent 4e5ac4b0c6
commit a2c4eeeecd
1 changed files with 2 additions and 2 deletions
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doc/lispref/numbers.texi
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@ -132,8 +132,8 @@ memory, by machine characteristics such as the size of the word used
to represent a bignum's exponent, and by the @code{integer-width}
variable. These limits are typically much more generous than the
limits for fixnums. A bignum is never numerically equal to a fixnum;
if Emacs computes an integer in fixnum range, it represents the
integer as a fixnum, not a bignum.
Emacs always represents an integer in fixnum range as a fixnum, not a
bignum.
The range of values for a fixnum depends on the machine. The
minimum range is @minus{}536,870,912 to 536,870,911 (30 bits; i.e.,