Comprehensive verification suite for the A2-KL module.
Examples
verify_a2_kl_all()
#> ======================================================================
#> Module 12: A2-KL - Full Verification Suite
#> ======================================================================
#>
#> ============================================================
#> KL Divergence Verification
#> ============================================================
#>
#> Test 1: KL(p || p) = 0
#> KL = 0.00e+00 [PASS]
#>
#> Test 2: KL(p || q) >= 0
#> KL(p || q) = 0.0305 [PASS]
#>
#> Test 3: KL = 0 for matching (a, b)
#> KL(p_{2.0,1.0} || p_{2.0,1.0}) = 0.00e+00 [PASS]
#>
#> Test 4: KL > 0 for non-matching (a, b)
#> KL = 0.3593 [PASS]
#>
#> ============================================================
#> Overall: ALL TESTS PASSED
#> ============================================================
#>
#> ============================================================
#> A2-KL Optimization Verification
#> ============================================================
#>
#> Test 1: Convergence for typical target (method='chisq')
#> Target: mu_K = 5.0, var_K = 8.0
#> Result: a = 2.2363, b = 1.7627
#> Achieved: mu_K = 5.0200, var_K = 7.6403
#> KL = 5.0296e-03, status = 'success'
#> [PASS]
#>
#> Test 2: Reasonable KL divergence (< 0.1)
#> KL = 5.0296e-03 [PASS]
#>
#> Test 3: Moment approximation quality
#> Mean error: 0.0200 (< 0.5)
#> Var error: 0.3597 (< 2.0)
#> [PASS]
#>
#> Test 4: Custom binomial-shaped PMF target (method='pmf')
#> Result: a = 6.8423, b = 7.8933
#> KL = 1.8756e-03, status = 'success'
#> [PASS]
#>
#> Test 5: Fallback mechanism check
#> Result: a = 2001817.5288, b = 3269017.3725, KL = 7.3671e-03
#> Fallback used: FALSE
#> [PASS]
#>
#> ============================================================
#> Overall: ALL TESTS PASSED
#> ============================================================
#>
#> ======================================================================
#> Module 12 Final Result: ALL TESTS PASSED
#> ======================================================================