cv2 4.14.0
inputs 667: exceptions cv2=161 original-port=161 patched=0 ; original-port vs cv2 mismatches=0
patched == original bit-for-bit wherever original does not throw: 506 of 506
patched outputs: worst of {lower part of R, Q orthogonality, |RQ-M|/|M|, det Q - 1} = 1.22e-15
scale 1e+07: original THROWS, patched ok, |R/scale - K|=1.1e-13, |Q - Rtrue|=2.2e-16
scale 1e+09: original THROWS, patched ok, |R/scale - K|=6.0e-14, |Q - Rtrue|=1.1e-16
scale 1e+12: original THROWS, patched ok, |R/scale - K|=5.7e-14, |Q - Rtrue|=1.1e-16
