Sobol direction matrices used by jifto.Raytracing/DaylightPathSampler.cuh

The first 306 dimensions and first 32 columns are derived from pbrt-v3,
src/core/sobolmatrices.cpp, commit 13d871faae88233b327d04cda24022b8bb0093ee:
https://github.com/mmp/pbrt-v3/blob/13d871faae88233b327d04cda24022b8bb0093ee/src/core/sobolmatrices.cpp
Upstream file SHA-256:
9575ca31b579833a23971ad3d57b1841a974f78928c7efd51d3365da88a116e7

Both upstream notices follow. The nested binary scrambling implementation in
jifto is independently implemented; the table attribution covers the matrices.

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core/sobolmatrices.cpp*
Copyright (c) 2012 Leonhard Gruenschloss (leonhard@gruenschloss.org)

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