optimized rand_gauss(); charcoal stroke speedup 7%
optimized rand_gauss(); charcoal stroke speedup 7%


svn:9a0661a51fa546353b2044a64a194520c6caa5ad@153

b3sigma/libmypaint,achadwick/libmypaint,b3sigma/libmypaint,b3sigma/libmypaint,achadwick/libmypaint,achadwick/libmypaint,achadwick/libmypaint