67     T			xy, xz, yz, yx, zx, zy;
257     return (&xy)[i];
264     return (&xy)[i];
271     xy = xz = yz = yx = zx = zy = 0;  in Shear6()
278     xy = XY;  in Shear6()
290     xy = v.x;  in Shear6()
303     xy = T (v.x);  in Shear6()
315     xy = XY;  in Shear6()
327     xy = h.xy;  in Shear6()
340     xy = T (h.xy);  in Shear6()
352     xy = h.xy;
366     xy = T (v.x);
380     xy = T (XY);  in setValue()
393     xy = T (h.xy);  in setValue()
406     XY = S (xy);  in getValue()
419     h.xy = S (xy);  in getValue()
431     return (T *) &xy;  in getValue()
438     return (const T *) &xy;  in getValue()
446     return xy == h.xy  &&  xz == h.xz  &&  yz == h.yz  &&
455     return xy != h.xy  ||  xz != h.xz  ||  yz != h.yz  ||
486     xy += h.xy;
499     return Shear6 (xy + h.xy, xz + h.xz, yz + h.yz,
507     xy -= h.xy;
520     return Shear6 (xy - h.xy, xz - h.xz, yz - h.yz,
528     return Shear6 (-xy, -xz, -yz, -yx, -zx, -zy);
535     xy = -xy;  in negate()
548     xy *= h.xy;
561     xy *= a;
574     return Shear6 (xy * h.xy, xz * h.xz, yz * h.yz,
582     return Shear6 (xy * a, xz * a, yz * a,
590     xy /= h.xy;
603     xy /= a;
616     return Shear6 (xy / h.xy, xz / h.xz, yz / h.yz,
624     return Shear6 (xy / a, xz / a, yz / a,
638          << h.xy << ' ' << h.xz << ' ' << h.yz
652     return Shear6<T> (a * h.xy, a * h.xz, a * h.yz,