generic-library/opencv
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hack luv

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This commit is contained in:
marina.kolpakova 2012-11-28 19:47:51 +04:00
parent 0e1005ca92
commit 8ef19e7664
1 changed files with 2 additions and 1 deletions
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modules/gpu/src/cuda/icf-sc.cu
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@ -65,7 +65,8 @@ namespace icf {
const float _u = __fdividef(4.f * x, divisor);
const float _v = __fdividef(9.f * y, divisor);
const float L = fmax(0.f, ((116.f * cbrtf(y)) - 16.f));
float hack = static_cast<float>(__float2int_rn(y * 2047)) / 2047;
const float L = fmax(0.f, ((116.f * cbrtf(hack)) - 16.f));
const float U = 13.f * L * (_u - _ur);
const float V = 13.f * L * (_v - _vr);