K 10 svn:author V 5 kargl K 8 svn:date V 27 2014-08-31T21:38:03.838706Z K 7 svn:log V 396 Compute sin(pi*x) without actually doing the pi*x multiplication. sin_pi(x) is only called for x < 0 and |x| < 2**(p-1) where p is the precision of x. The new argument reduction is an optimization compared to the old code, and it removes a chunk of dead code. Accuracy tests in the intervals (-21,-20), (-20,-19), ... (-1,0) show no differences between the old and new code. Obtained from: bde END