66     float mag = sk_float_sqrt(fX*fX + fY*fY + fZ*fZ);  in normalize()
69         unit->fX = fX * scale;  in normalize()
73         unit->fX = unit->fY = unit->fZ = 0;  in normalize()
78     tmp1.setMul(fX, fX);  in normalize()
88         unit->fX = SkFixedMul(fX, scale);  in normalize()
92         unit->fX = unit->fY = unit->fZ = 0;  in normalize()
99     return  SkUnitScalarMul(a.fX, b.fX) +  in Dot()
110     SkScalar y = SkUnitScalarMul(a.fZ, b.fX) - SkUnitScalarMul(a.fX, b.fY);  in Cross()
111     SkScalar z = SkUnitScalarMul(a.fX, b.fY) - SkUnitScalarMul(a.fY, b.fX);  in Cross()
139     SkScalar cy = SkScalarMul(fU.fZ, fV.fX) - SkScalarMul(fU.fX, fV.fY);  in dotWith()
140     SkScalar cz = SkScalarMul(fU.fX, fV.fY) - SkScalarMul(fU.fY, fV.fX);  in dotWith()
233     SkScalar x = SkScalarDot(3, &fMat[0][0], 1, &src.fX, 1) + fMat[0][3];  in mapPoint()
234     SkScalar y = SkScalarDot(3, &fMat[1][0], 1, &src.fX, 1) + fMat[1][3];  in mapPoint()
235     SkScalar z = SkScalarDot(3, &fMat[2][0], 1, &src.fX, 1) + fMat[2][3];  in mapPoint()
240     SkScalar x = SkScalarDot(3, &fMat[0][0], 1, &src.fX, 1);  in mapVector()
241     SkScalar y = SkScalarDot(3, &fMat[1][0], 1, &src.fX, 1);  in mapVector()
242     SkScalar z = SkScalarDot(3, &fMat[2][0], 1, &src.fX, 1);  in mapVector()
274         zenith.fX = fZenith.fX - SkUnitScalarMul(dot, axis.fX);  in doUpdate()
285         SkScalar x = fObserver.fX;  in doUpdate()
289         orien->set(SkMatrix::kMScaleX, SkUnitScalarMul(x, axis.fX) - SkUnitScalarMul(z, cross.fX));  in doUpdate()
292         orien->set(SkMatrix::kMSkewY,  SkUnitScalarMul(y, axis.fX) - SkUnitScalarMul(z, zenith.fX));  in doUpdate()
295         orien->set(SkMatrix::kMPersp0, axis.fX);  in doUpdate()
312     diff.fX = quilt.fOrigin.fX - fLocation.fX;  in patchToMatrix()
376     return fCamera.fLocation.fX / SkFloatToScalar(72.0f);  in getCameraLocationX()