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Implement I0(snr^2 |autocorrelation|) likelihood
Track API change in LALSimulation
Suppress underflow errors
Use C99-style loop variable declaration
Parallelize TOA loop
Use Gauss-Legendre quadrature over cos(inclination)
Use fixed-order Gaussian quadrature for distance in toa_phoa_snr
Add macros for branch prediction hints
Correction: error handler is always reentrant
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Revert "Suppress underflow errors"

This reverts commit b9f4a09762e45c107a2dd2ef7c044f5bbe733496.
Move radial integral into separate function, and add some special cases
Refactor exponential integral, add unit test
Oops, forgot to divide by two
Use correct algorithm for half-integer powers
Add unit tests for catrom()
Add unit test for cabs2
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Update copyright date