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Searched refs:dfdP (Results 1 – 2 of 2) sorted by relevance

/external/skqp/third_party/skcms/
Dskcms.cc1512 float dfdP[3]) { in rg_nonlinear()
1523 dfdP[0] = 0.69314718f*log2f_(Y)*powf_(Y, g) in rg_nonlinear()
1525 dfdP[1] = y*g*powf_(Y, g-1) in rg_nonlinear()
1527 dfdP[2] = g*powf_(Y, g-1) in rg_nonlinear()
1583 float dfdP[3] = {0,0,0}; in gauss_newton_step() local
1584 float resid = rg_nonlinear(x,curve,tf,P, dfdP); in gauss_newton_step()
1588 lhs.vals[r][c] += dfdP[r] * dfdP[c]; in gauss_newton_step()
1590 rhs.vals[r] += dfdP[r] * resid; in gauss_newton_step()
/external/skia/third_party/skcms/
Dskcms.cc1964 float dfdP[3]) { in rg_nonlinear()
1975 dfdP[0] = logf_(Y)*powf_(Y, g) in rg_nonlinear()
1977 dfdP[1] = y*g*powf_(Y, g-1) in rg_nonlinear()
1979 dfdP[2] = g*powf_(Y, g-1) in rg_nonlinear()
2036 float dfdP[3] = {0,0,0}; in gauss_newton_step() local
2037 float resid = rg_nonlinear(x,curve,tf, dfdP); in gauss_newton_step()
2041 lhs.vals[r][c] += dfdP[r] * dfdP[c]; in gauss_newton_step()
2043 rhs.vals[r] += dfdP[r] * resid; in gauss_newton_step()