To build on OS X (tested on Sequioa and Tahoe using XCode CLI):
bash> make test bash> ./mclt_convolver_test
=== Test: MCLT Round-trip === First 4 output: 1.60006e-10 1.65263e-05 9.00423e-05 0.000256193 PASS
=== Test: Subband Identity === MSE: 0 PASS
=== Test: Hybrid Sparsity === Smooth IR: Cross-terms: 2061 / 131072 Sparsity: 98.0% PASS
=== Test: Performance === Subband: 0.17 µs/frame Hybrid: 7.17 µs/frame RT budget @ 48kHz: 10666.67 µs PASS
=== Test: Full Chain === Peak output: 0.97 PASS
=== Done ===