HeterodynedPulsarModel.c: allow signal to be specified by Q22
For known pulsar parameter estimation it is sometimes useful to work in terms of mass quadrupole Q22 and distance rather than h0. This MR allows Q22 and distance to be used.
For known pulsar parameter estimation it is sometimes useful to work in terms of mass quadrupole Q22 and distance rather than h0. This MR allows Q22 and distance to be used.