On Wed, Mar 07, 2018 at 10:47:40AM +0000, J-S Caux via Digitalmars-d-learn wrote: > On Wednesday, 7 March 2018 at 10:28:23 UTC, Simen Kjærås wrote: > > On Wednesday, 7 March 2018 at 10:10:49 UTC, J-S Caux wrote: > > > On Wednesday, 7 March 2018 at 08:04:36 UTC, Simen Kjærås wrote: > > > > auto log(T)(Complex!T x) { > > > > import std.math : log; > > > > return Complex!T(log(abs(x)), arg(x)); > > > > } > > > > > > Yes indeed I can do this, but isn't this inefficient as compared > > > to what it should be? The internals of arg are presumable already > > > doing part of/all the necessary work. > > > > arg is just atan2 in disguise, and doesn't do any logarithms. I > > mean, in a way it does, but it's really just a fpatan instruction. I > > don't expect there to be many optimization opportunities here. [...] > OK thanks Simen. Should your suggestion for repairing this omission be > filed as a bugreport? I can of course implement it locally for myself, > but the language should really provide this function directly.
Yes, please file a bug. T -- The trouble with TCP jokes is that it's like hearing the same joke over and over.