Le mardi 20 août 2013 08:55:18 UTC+2, Antoon Pardon a écrit : > > > >
> > > > > If you consider the implementation of sin and cos functions, they usually > > > reduce the argument modulo π to something in the first quadrant, and then > > > use symmetry to adjust the value. So changing the value of pi could, in > > > principle, change the implementation of sin, cos and tan. > > > > Yes there is this aspect, which is a fair point. > > > > -- > > Antoon Pardon ----- Not really, see my previous post. This is only a geometric interpretation, useless for calculation. Consequence of an implementation: common trick to use and/or define pi: >>> const_pi = 4 * atan(1) >>> const_pi 3.141592653589793 jmf -- http://mail.python.org/mailman/listinfo/python-list