1 ---------- Testing Gradient ------------- 2 Run with -tao_test_gradient_view and optionally -tao_test_gradient <threshold> to show difference 3 of hand-coded and finite difference gradient entries greater than <threshold>. 4 Testing hand-coded Gradient, if (for double precision runs) ||G - Gfd||/||G|| is 5 O(1.e-8), the hand-coded Gradient is probably correct. 6 ||Gfd|| 0.0021849, ||G|| = 0.00218604, angle cosine = (Gfd'G)/||Gfd||||G|| = 1. 7 2-norm ||G - Gfd||/||G|| = 0.000520807, ||G - Gfd|| = 1.1385e-06 8 max-norm ||G - Gfd||/||G|| = 0.000520807, ||G - Gfd|| = 1.1385e-06 9 0 TAO, Function value: -1.01855, Residual: 0.00218604 10 ---------- Testing Gradient ------------- 11 ||Gfd|| 1., ||G|| = 1., angle cosine = (Gfd'G)/||Gfd||||G|| = 1. 12 2-norm ||G - Gfd||/||G|| = 2.22045e-16, ||G - Gfd|| = 2.22045e-16 13 max-norm ||G - Gfd||/||G|| = 2.22045e-16, ||G - Gfd|| = 2.22045e-16 14 ---------- Testing Gradient ------------- 15 ||Gfd|| 0.0736232, ||G|| = 0.0736226, angle cosine = (Gfd'G)/||Gfd||||G|| = 1. 16 2-norm ||G - Gfd||/||G|| = 8.2006e-06, ||G - Gfd|| = 6.03754e-07 17 max-norm ||G - Gfd||/||G|| = 8.2006e-06, ||G - Gfd|| = 6.03754e-07 18 ---------- Testing Gradient ------------- 19 ||Gfd|| 3.42727e-07, ||G|| = 1.38753e-11, angle cosine = (Gfd'G)/||Gfd||||G|| = -1. 20 2-norm ||G - Gfd||/||G|| = 1.00004, ||G - Gfd|| = 3.42741e-07 21 max-norm ||G - Gfd||/||G|| = 1.00004, ||G - Gfd|| = 3.42741e-07 22 1 TAO, Function value: -1.01855, Residual: 1.38753e-11 23TAO solve converged due to CONVERGED_GRTOL iterations 1 24Vec Object: 1 MPI process 25 type: seq 261.0194 27