Commit 1d284913 authored by Richard M. Stallman's avatar Richard M. Stallman
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Floating point is always available; say a little about what it is.

parent aab28c42
......@@ -201,9 +201,10 @@ leading @samp{+} or a final @samp{.}.
@node Floating Point Type
@subsection Floating Point Type
Emacs supports floating point numbers (though there is a compilation
option to disable them). The precise range of floating point numbers is
Floating point numbers are the computer equivalent of scientific
notation. The precise number of significant figures and the range of
possible exponents is machine-specific; Emacs always uses the C data
type @code{double} to store the value.
The printed representation for floating point numbers requires either
a decimal point (with at least one digit following), an exponent, or
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