Lines Matching refs:iW
2225 float iW = fabs(W) > FLT_EPSILON ? 1.0f/W : 0;
2227 float reprojX = (H[0]*x + H[1]*y + H[2]) * iW;
2228 float reprojY = (H[3]*x + H[4]*y + H[5]) * iW;
2237 float dxh11 = x * iW;
2238 float dxh12 = y * iW;
2239 float dxh13 = iW;
2243 float dxh31 = -reprojX*x * iW;
2244 float dxh32 = -reprojX*y * iW;
2249 float dyh21 = x * iW;
2250 float dyh22 = y * iW;
2251 float dyh23 = iW;
2252 float dyh31 = -reprojY*x * iW;
2253 float dyh32 = -reprojY*y * iW;
