Version 1.7.0

Version 1.7.0 includes support for the CMake build system. While the existing autotools environment will be supported for a time, this will be removed in a future release. This version also includes many changes to improve testing coverage across all interfaces, and make the interfaces across objects consistent.

• build
  • migrated to the CMake build system, including building examples, sandbox programs, benchmarks, autotests, and detecting SIMD instruction extensions.
  • increased testing across the board including automated memory validation with valgrind
  • detected and fixed memory leaks for numerous methods and testing harnesses including bessel_azpdf (thanks, @andreasbombe), ofdmflexframesync, qdsync, qs1dsearch (thanks, @nowls), framesync64, eqrls, and fskdem
  • added new LIQUID_ENOCONV error type to identify errors where algorithms did not converge
  • added new LIQUID_ENOIMP error type to identify methods that are not yet implemented
  • replaced warnings with internal error handling for many existing object methods
  • fixed SONAME not set in shared library (thanks again, @andreasbombe)
  • migrated README from markdown to re-structured text
• framing
  • added more description to method definitions such as qpacketmodem and qdetector
  • dsssframe64: extended functionality to use qdsync, added standard methods such as copy(), added interfaces for specifying thresholds, reduced default spreading gain
• filter
  • firinterp: added flush() method to run zeros through filter
  • rresamp: allow for default bandwidth with an input of -1
• nco
  • fixed issue where frequency was being set improperly, added more extensive testing
  • improved the NCO object with VCO precision (thanks, @ArtemPisarenko)
• random
  • added more extensive testing for various distributions to ensure values are generated properly