cv2 4.14.0
cv2 4.14.0
test A: before patch -> FAIL;  after (emulated) -> PASS
    [B patched=False] max|R-Rgt|=1.16e-03
    [B patched=True] max|R-Rgt|=2.95e-12
test B: before patch -> FAIL;  after (emulated) -> PASS
test C: before patch -> FAIL;  after (emulated) -> PASS
test F: before patch -> FAIL;  after (emulated) -> PASS
