PASS - added x, y

PASS - added z = coherence(x, y)

PASS - added output(x)

PASS - sanity

PASS - returned WelchCSDSpectrum of size 513

PASS - sort of equal, yeah, cool

PASS - added x, y

PASS - added z = coherence(x, y)

PASS - added output(x)

PASS - sanity

PASS - returned WelchCSDSpectrum of size 513

PASS - sort of equal, yeah, cool

PASS - added x, y

PASS - added z = coherence(x, y)

PASS - added output(x)

PASS - sanity

PASS - returned WelchCSDSpectrum of size 1024

PASS - sort of equal, yeah, cool

PASS - added x, y

PASS - added z = coherence(x, y)

PASS - added output(x)

PASS - sanity

PASS - returned WelchCSDSpectrum of size 1024

PASS - sort of equal, yeah, cool

PASS - coherence() threw Error: CallChain Exception: too few arguments or no return value for coherence action

PASS - coherence(scalar,scalar) threw Error: CallChain Exception: coherence: intercepted bad argument types in Coherence::apply