Cycles: Fix for initial guess of the radius for Burley BSSRDF
authorSergey Sharybin <sergey.vfx@gmail.com>
Fri, 5 Feb 2016 09:06:08 +0000 (10:06 +0100)
committerSergey Sharybin <sergey.vfx@gmail.com>
Fri, 5 Feb 2016 09:06:08 +0000 (10:06 +0100)
commite688a62712a727042e3103f50404b25e2d9580b6
tree2c4b12376de9961a23bc9b641142d09e20d6abd1
parentda7ddb69e9f30d8bb480fb991a17b01113ad36ec
Cycles: Fix for initial guess of the radius for Burley BSSRDF

The value was too high, causing bad Newton iteration step.
Now the value is not so good, but it's still within 9 iterations
and those high number of iterations are only happening in
approx 1% of input values.
intern/cycles/kernel/closure/bssrdf.h