36     SkScalar mag = SkScalarSqrt(fX*fX + fY*fY + fZ*fZ);  in normalize()
40         unit->fY = fY * scale;  in normalize()
43         unit->fX = unit->fY = unit->fZ = 0;  in normalize()
49     return a.fX * b.fX + a.fY * b.fY + a.fZ * b.fZ;  in Dot()
57     SkScalar x = a.fY * b.fZ - a.fZ * b.fY;  in Cross()
58     SkScalar y = a.fZ * b.fX - a.fX * b.fY;  in Cross()
59     SkScalar z = a.fX * b.fY - a.fY * b.fX;  in Cross()
86     SkScalar cx = SkScalarMul(fU.fY, fV.fZ) - SkScalarMul(fU.fZ, fV.fY);  in dotWith()
87     SkScalar cy = SkScalarMul(fU.fZ, fV.fX) - SkScalarMul(fU.fX, fV.fY);  in dotWith()
88     SkScalar cz = SkScalarMul(fU.fX, fV.fY) - SkScalarMul(fU.fY, fV.fX);  in dotWith()
223         zenith.fY = fZenith.fY - dot * axis.fY;  in doUpdate()
234         SkScalar y = fObserver.fY;  in doUpdate()
238         orien->set(SkMatrix::kMSkewX,  x * axis.fY - z * cross.fY);  in doUpdate()
241         orien->set(SkMatrix::kMScaleY, y * axis.fY - z * zenith.fY);  in doUpdate()
244         orien->set(SkMatrix::kMPersp1, axis.fY);  in doUpdate()
261     diff.fY = quilt.fOrigin.fY - fLocation.fY;  in patchToMatrix()
328     return fCamera.fLocation.fY / 72.0f;  in getCameraLocationY()