[swift-evolution] Besides pi, include also e as a builtin mathematical constant into floats
bjoern.forster at googlemail.com
Fri Jul 1 07:12:24 CDT 2016
In SE-0067: Enhanced Floating Point Protocols
stated that pi will be a built in constant from Swift 3 onwards.
Is there a specific reason why pi as a constant will be included but not e?
e is also ubiquitous in scientific, engineering and economic calculations.
I seems odd to me to include pi but then not e as well. Also Python
provides both pi and e. Shouldn't Swift provide also at least both pi and e
as constants for its floating point types?
It is also not nice if different numerical packages for swift will come up
all with their own different definitions of e. I think Swift 3 should use
the opportunity to get this thing right from the beginning and provided
both pi AND e.
Is there a new proposal necessary to still get e as a built in constant
into Swift 3?
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