Vladimír Vondruš
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515637c76a
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Math: implement a robust and faster Matrix4::normalMatrix().
This change makes the operations split into a bunch of separate
functions, making the parts easier to document, however with a slight
negative effect on debug performance:
Starting Magnum::Math::Test::MatrixBenchmark with 16 test cases...
INFO Benchmarking a debug build.
BENCH [01] 94.54 ± 3.62 ns multiply3()@499x10000 (wall time)
BENCH [02] 183.47 ± 7.50 ns multiply4()@499x10000 (wall time)
BENCH [03] 318.11 ± 11.59 ns comatrix3()@49x10000 (wall time)
BENCH [04] 379.51 ± 12.17 ns invert3()@49x10000 (wall time)
BENCH [05] 448.23 ± 17.61 ns invert3GaussJordan()@49x10000 (wall time)
BENCH [06] 338.96 ± 11.61 ns invert3Rigid()@49x10000 (wall time)
BENCH [07] 206.37 ± 10.59 ns invert3Orthogonal()@49x10000 (wall time)
BENCH [08] 879.40 ± 20.03 ns comatrix4()@49x10000 (wall time)
BENCH [09] 1.16 ± 0.03 µs invert4()@49x10000 (wall time)
BENCH [10] 825.40 ± 17.34 ns invert4GaussJordan()@49x10000 (wall time)
BENCH [11] 534.86 ± 15.73 ns invert4Rigid()@49x10000 (wall time)
BENCH [12] 347.36 ± 11.62 ns invert4Orthogonal()@49x10000 (wall time)
BENCH [13] 65.70 ± 6.73 ns transformVector3()@999x10000 (wall time)
BENCH [14] 62.56 ± 3.09 ns transformPoint3()@999x10000 (wall time)
BENCH [15] 81.25 ± 2.78 ns transformVector4()@999x10000 (wall time)
BENCH [16] 82.14 ± 4.26 ns transformPoint4()@999x10000 (wall time)
Finished Magnum::Math::Test::MatrixBenchmark with 0 errors out of 5500 checks.
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7 years ago |
