Christophe CURIS 4799df5506 replaced all local definitions of PI by a single one ...

For code maintainability, it is better to have a single definition of the
constant than many ones dispatched in many places. In addition, we try to
count on the constant M_PI that can be defined by the header <math.h> if
possible because it may have the best accuracy for the platform.

Signed-off-by: Christophe CURIS <christophe.curis@free.fr>

2014-12-10 10:19:19 +00:00

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