From 3134cd3866f43a514652dbe1040e158b05844473 Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Sun, 2 Jun 2024 20:41:37 -0600
Subject: [PATCH] Update a testcase for ARKODE.

---
 tests/sundials/arkode_01.cc     |   9 +-
 tests/sundials/arkode_01.output | 256 ++++++++++++++++----------------
 2 files changed, 137 insertions(+), 128 deletions(-)

diff --git a/tests/sundials/arkode_01.cc b/tests/sundials/arkode_01.cc
index 4eb0dfacff..bb186a280e 100644
--- a/tests/sundials/arkode_01.cc
+++ b/tests/sundials/arkode_01.cc
@@ -74,9 +74,12 @@ main()
 
   double kappa = 1.0;
 
+  unsigned int n_rhs_evaluations = 0;
   ode.explicit_function = [&](double, const VectorType &y, VectorType &ydot) {
     ydot[0] = y[1];
     ydot[1] = -kappa * kappa * y[0];
+
+    ++n_rhs_evaluations;
   };
 
   ode.output_step =
@@ -87,5 +90,9 @@ main()
   Vector<double> y(2);
   y[0] = 0;
   y[1] = kappa;
-  ode.solve_ode(y);
+
+  const unsigned int n_timesteps = ode.solve_ode(y);
+
+  deallog << "n_rhs_evaluations=" << n_rhs_evaluations << std::endl;
+  deallog << "n_timesteps=" << n_timesteps << std::endl;
 }
diff --git a/tests/sundials/arkode_01.output b/tests/sundials/arkode_01.output
index 40a95d1ef5..36f54e11a5 100644
--- a/tests/sundials/arkode_01.output
+++ b/tests/sundials/arkode_01.output
@@ -1,128 +1,130 @@
 
-DEAL::0 0 1
-DEAL::0.05 0.0499792 0.99875
-DEAL::0.1 0.0998334 0.995004
-DEAL::0.15 0.149438 0.988771
-DEAL::0.2 0.198669 0.980067
-DEAL::0.25 0.247404 0.968912
-DEAL::0.3 0.295521 0.955336
-DEAL::0.35 0.3429 0.939372
-DEAL::0.4 0.38942 0.92106
-DEAL::0.45 0.434967 0.900447
-DEAL::0.5 0.479426 0.877583
-DEAL::0.55 0.522687 0.852525
-DEAL::0.6 0.564643 0.825335
-DEAL::0.65 0.605188 0.796083
-DEAL::0.7 0.644219 0.764841
-DEAL::0.75 0.68164 0.731688
-DEAL::0.8 0.717356 0.696707
-DEAL::0.85 0.751281 0.659983
-DEAL::0.9 0.78333 0.621606
-DEAL::0.95 0.813421 0.581675
-DEAL::1 0.841478 0.540292
-DEAL::1.05 0.867431 0.49756
-DEAL::1.1 0.891214 0.453587
-DEAL::1.15 0.912769 0.408482
-DEAL::1.2 0.932042 0.362356
-DEAL::1.25 0.948986 0.315322
-DEAL::1.3 0.96356 0.267498
-DEAL::1.35 0.975725 0.219002
-DEAL::1.4 0.985452 0.169958
-DEAL::1.45 0.992716 0.120492
-DEAL::1.5 0.997498 0.0707265
-DEAL::1.55 0.999787 0.0207865
-DEAL::1.6 0.999576 -0.0292043
-DEAL::1.65 0.996867 -0.0791226
-DEAL::1.7 0.991667 -0.128845
-DEAL::1.75 0.983988 -0.178249
-DEAL::1.8 0.973849 -0.227207
-DEAL::1.85 0.961276 -0.275598
-DEAL::1.9 0.946301 -0.323297
-DEAL::1.95 0.928961 -0.370187
-DEAL::2 0.909299 -0.416151
-DEAL::2.05 0.887365 -0.461075
-DEAL::2.1 0.863211 -0.504848
-DEAL::2.15 0.836899 -0.547361
-DEAL::2.2 0.808496 -0.588507
-DEAL::2.25 0.778072 -0.62818
-DEAL::2.3 0.745704 -0.666282
-DEAL::2.35 0.711473 -0.702718
-DEAL::2.4 0.675464 -0.737397
-DEAL::2.45 0.637766 -0.770234
-DEAL::2.5 0.598473 -0.801147
-DEAL::2.55 0.557682 -0.830058
-DEAL::2.6 0.515498 -0.856895
-DEAL::2.65 0.472027 -0.881588
-DEAL::2.7 0.427377 -0.904078
-DEAL::2.75 0.38166 -0.924307
-DEAL::2.8 0.334989 -0.942226
-DEAL::2.85 0.287478 -0.957791
-DEAL::2.9 0.239247 -0.970962
-DEAL::2.95 0.190418 -0.981707
-DEAL::3 0.141114 -0.989997
-DEAL::3.05 0.0914593 -0.995813
-DEAL::3.1 0.041577 -0.99914
-DEAL::3.15 -0.00840899 -0.999969
-DEAL::3.2 -0.0583749 -0.998299
-DEAL::3.25 -0.108197 -0.994133
-DEAL::3.3 -0.157751 -0.987483
-DEAL::3.35 -0.206909 -0.978364
-DEAL::3.4 -0.255548 -0.966801
-DEAL::3.45 -0.303548 -0.952821
-DEAL::3.5 -0.350788 -0.93646
-DEAL::3.55 -0.397151 -0.917758
-DEAL::3.6 -0.442523 -0.896762
-DEAL::3.65 -0.486791 -0.873523
-DEAL::3.7 -0.529842 -0.848102
-DEAL::3.75 -0.571568 -0.82056
-DEAL::3.8 -0.611864 -0.790969
-DEAL::3.85 -0.65063 -0.759401
-DEAL::3.9 -0.68777 -0.725935
-DEAL::3.95 -0.723192 -0.690654
-DEAL::4 -0.756808 -0.653645
-DEAL::4.05 -0.788532 -0.615002
-DEAL::4.1 -0.818284 -0.574823
-DEAL::4.15 -0.84599 -0.533208
-DEAL::4.2 -0.871582 -0.490261
-DEAL::4.25 -0.894994 -0.446089
-DEAL::4.3 -0.916171 -0.4008
-DEAL::4.35 -0.935058 -0.354508
-DEAL::4.4 -0.951608 -0.30733
-DEAL::4.45 -0.965779 -0.259385
-DEAL::4.5 -0.977536 -0.210793
-DEAL::4.55 -0.98685 -0.161675
-DEAL::4.6 -0.993697 -0.112152
-DEAL::4.65 -0.99806 -0.062348
-DEAL::4.7 -0.999929 -0.0123862
-DEAL::4.75 -0.999298 0.0376067
-DEAL::4.8 -0.99617 0.0875044
-DEAL::4.85 -0.990552 0.137182
-DEAL::4.9 -0.982458 0.186516
-DEAL::4.95 -0.971908 0.235384
-DEAL::5 -0.958929 0.283665
-DEAL::5.05 -0.943553 0.331238
-DEAL::5.1 -0.925818 0.377984
-DEAL::5.15 -0.90577 0.423783
-DEAL::5.2 -0.883458 0.468523
-DEAL::5.25 -0.858939 0.512091
-DEAL::5.3 -0.832272 0.554378
-DEAL::5.35 -0.803524 0.595282
-DEAL::5.4 -0.772767 0.634699
-DEAL::5.45 -0.740079 0.672529
-DEAL::5.5 -0.705541 0.708677
-DEAL::5.55 -0.669241 0.743054
-DEAL::5.6 -0.631269 0.775572
-DEAL::5.65 -0.591718 0.806152
-DEAL::5.7 -0.550688 0.834719
-DEAL::5.75 -0.50828 0.861199
-DEAL::5.8 -0.464601 0.885527
-DEAL::5.85 -0.419763 0.907641
-DEAL::5.9 -0.373876 0.927486
-DEAL::5.95 -0.327055 0.945012
-DEAL::6 -0.279416 0.960177
-DEAL::6.05 -0.231078 0.972942
-DEAL::6.1 -0.182162 0.983275
-DEAL::6.15 -0.132791 0.991151
-DEAL::6.2 -0.0830885 0.996549
-DEAL::6.25 -0.0331785 0.999456
-DEAL::6.28 -0.0031845 1
\ No newline at end of file
+DEAL::0.00000 0.00000 1.00000
+DEAL::0.0500000 0.0499792 0.998750
+DEAL::0.100000 0.0998334 0.995004
+DEAL::0.150000 0.149438 0.988771
+DEAL::0.200000 0.198669 0.980067
+DEAL::0.250000 0.247404 0.968912
+DEAL::0.300000 0.295521 0.955336
+DEAL::0.350000 0.342900 0.939372
+DEAL::0.400000 0.389420 0.921060
+DEAL::0.450000 0.434967 0.900447
+DEAL::0.500000 0.479426 0.877583
+DEAL::0.550000 0.522687 0.852525
+DEAL::0.600000 0.564643 0.825335
+DEAL::0.650000 0.605188 0.796083
+DEAL::0.700000 0.644219 0.764841
+DEAL::0.750000 0.681640 0.731688
+DEAL::0.800000 0.717356 0.696707
+DEAL::0.850000 0.751281 0.659983
+DEAL::0.900000 0.783330 0.621606
+DEAL::0.950000 0.813421 0.581675
+DEAL::1.00000 0.841478 0.540292
+DEAL::1.05000 0.867431 0.497560
+DEAL::1.10000 0.891214 0.453587
+DEAL::1.15000 0.912769 0.408482
+DEAL::1.20000 0.932042 0.362356
+DEAL::1.25000 0.948986 0.315322
+DEAL::1.30000 0.963560 0.267498
+DEAL::1.35000 0.975725 0.219002
+DEAL::1.40000 0.985452 0.169958
+DEAL::1.45000 0.992716 0.120492
+DEAL::1.50000 0.997498 0.0707265
+DEAL::1.55000 0.999787 0.0207865
+DEAL::1.60000 0.999576 -0.0292043
+DEAL::1.65000 0.996867 -0.0791226
+DEAL::1.70000 0.991667 -0.128845
+DEAL::1.75000 0.983988 -0.178249
+DEAL::1.80000 0.973849 -0.227207
+DEAL::1.85000 0.961276 -0.275598
+DEAL::1.90000 0.946301 -0.323297
+DEAL::1.95000 0.928961 -0.370187
+DEAL::2.00000 0.909299 -0.416151
+DEAL::2.05000 0.887365 -0.461075
+DEAL::2.10000 0.863211 -0.504848
+DEAL::2.15000 0.836899 -0.547361
+DEAL::2.20000 0.808496 -0.588507
+DEAL::2.25000 0.778072 -0.628180
+DEAL::2.30000 0.745704 -0.666282
+DEAL::2.35000 0.711473 -0.702718
+DEAL::2.40000 0.675464 -0.737397
+DEAL::2.45000 0.637766 -0.770234
+DEAL::2.50000 0.598473 -0.801147
+DEAL::2.55000 0.557682 -0.830058
+DEAL::2.60000 0.515498 -0.856895
+DEAL::2.65000 0.472027 -0.881588
+DEAL::2.70000 0.427377 -0.904078
+DEAL::2.75000 0.381660 -0.924307
+DEAL::2.80000 0.334989 -0.942226
+DEAL::2.85000 0.287478 -0.957791
+DEAL::2.90000 0.239247 -0.970962
+DEAL::2.95000 0.190418 -0.981707
+DEAL::3.00000 0.141114 -0.989997
+DEAL::3.05000 0.0914593 -0.995813
+DEAL::3.10000 0.0415770 -0.999140
+DEAL::3.15000 -0.00840899 -0.999969
+DEAL::3.20000 -0.0583749 -0.998299
+DEAL::3.25000 -0.108197 -0.994133
+DEAL::3.30000 -0.157751 -0.987483
+DEAL::3.35000 -0.206909 -0.978364
+DEAL::3.40000 -0.255548 -0.966801
+DEAL::3.45000 -0.303548 -0.952821
+DEAL::3.50000 -0.350788 -0.936460
+DEAL::3.55000 -0.397151 -0.917758
+DEAL::3.60000 -0.442523 -0.896762
+DEAL::3.65000 -0.486791 -0.873523
+DEAL::3.70000 -0.529842 -0.848102
+DEAL::3.75000 -0.571568 -0.820560
+DEAL::3.80000 -0.611864 -0.790969
+DEAL::3.85000 -0.650630 -0.759401
+DEAL::3.90000 -0.687770 -0.725935
+DEAL::3.95000 -0.723192 -0.690654
+DEAL::4.00000 -0.756808 -0.653645
+DEAL::4.05000 -0.788532 -0.615002
+DEAL::4.10000 -0.818284 -0.574823
+DEAL::4.15000 -0.845990 -0.533208
+DEAL::4.20000 -0.871582 -0.490261
+DEAL::4.25000 -0.894994 -0.446089
+DEAL::4.30000 -0.916171 -0.400800
+DEAL::4.35000 -0.935058 -0.354508
+DEAL::4.40000 -0.951608 -0.307330
+DEAL::4.45000 -0.965779 -0.259385
+DEAL::4.50000 -0.977536 -0.210793
+DEAL::4.55000 -0.986850 -0.161675
+DEAL::4.60000 -0.993697 -0.112152
+DEAL::4.65000 -0.998060 -0.0623480
+DEAL::4.70000 -0.999929 -0.0123862
+DEAL::4.75000 -0.999298 0.0376067
+DEAL::4.80000 -0.996170 0.0875044
+DEAL::4.85000 -0.990552 0.137182
+DEAL::4.90000 -0.982458 0.186516
+DEAL::4.95000 -0.971908 0.235384
+DEAL::5.00000 -0.958929 0.283665
+DEAL::5.05000 -0.943553 0.331238
+DEAL::5.10000 -0.925818 0.377984
+DEAL::5.15000 -0.905770 0.423783
+DEAL::5.20000 -0.883458 0.468523
+DEAL::5.25000 -0.858939 0.512091
+DEAL::5.30000 -0.832272 0.554378
+DEAL::5.35000 -0.803524 0.595282
+DEAL::5.40000 -0.772767 0.634699
+DEAL::5.45000 -0.740079 0.672529
+DEAL::5.50000 -0.705541 0.708677
+DEAL::5.55000 -0.669241 0.743054
+DEAL::5.60000 -0.631269 0.775572
+DEAL::5.65000 -0.591718 0.806152
+DEAL::5.70000 -0.550688 0.834719
+DEAL::5.75000 -0.508280 0.861199
+DEAL::5.80000 -0.464601 0.885527
+DEAL::5.85000 -0.419763 0.907641
+DEAL::5.90000 -0.373876 0.927486
+DEAL::5.95000 -0.327055 0.945012
+DEAL::6.00000 -0.279416 0.960177
+DEAL::6.05000 -0.231078 0.972942
+DEAL::6.10000 -0.182162 0.983275
+DEAL::6.15000 -0.132791 0.991151
+DEAL::6.20000 -0.0830885 0.996549
+DEAL::6.25000 -0.0331785 0.999456
+DEAL::6.28000 -0.00318450 1.00000
+DEAL::n_rhs_evaluations=273
+DEAL::n_timesteps=20
-- 
2.39.5