number format

[Gintaras]

Code:

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double d=6.56166e-002
str s

s=d
out s

s.format("%g" d)
out s

s.format("%.3g" d)
out s

s.format("%.3f" d)
out s

s.format("%e" d)
out s

s.format("%.3e" d)
out s

%e - with e
%f - without e
%g - with or without e, whichever is more compact