From 9d46b004748d6ce6eaae75d1a6aff477087b9e62 Mon Sep 17 00:00:00 2001
From: Carlo Camilloni <carlo.camilloni@gmail.com>
Date: Fri, 9 Jan 2015 18:46:20 +0100
Subject: [PATCH] rt64-mpi: removed numerical derivatives

---
 regtest/basic/rt64-mpi/deriva.0.reference | 397 ----------------------
 regtest/basic/rt64-mpi/deriva.1.reference | 397 ----------------------
 regtest/basic/rt64-mpi/derivb.0.reference | 397 ----------------------
 regtest/basic/rt64-mpi/derivb.1.reference | 397 ----------------------
 regtest/basic/rt64-mpi/plumed.dat         |  27 --
 5 files changed, 1615 deletions(-)
 delete mode 100644 regtest/basic/rt64-mpi/deriva.0.reference
 delete mode 100644 regtest/basic/rt64-mpi/deriva.1.reference
 delete mode 100644 regtest/basic/rt64-mpi/derivb.0.reference
 delete mode 100644 regtest/basic/rt64-mpi/derivb.1.reference

diff --git a/regtest/basic/rt64-mpi/deriva.0.reference b/regtest/basic/rt64-mpi/deriva.0.reference
deleted file mode 100644
index 88a675a4b..000000000
--- a/regtest/basic/rt64-mpi/deriva.0.reference
+++ /dev/null
@@ -1,397 +0,0 @@
-#! FIELDS time parameter rdca rdcan
- 0.000000 0    0.045   -1.128
- 0.000000 1    0.085    0.594
- 0.000000 2   -1.782   -0.303
- 0.000000 3   -0.045    1.128
- 0.000000 4   -0.085   -0.594
- 0.000000 5    1.782    0.303
- 0.000000 6   -3.846    1.968
- 0.000000 7    0.585   -4.048
- 0.000000 8    3.509    1.941
- 0.000000 9    3.846   -1.969
- 0.000000 10   -0.585    4.048
- 0.000000 11   -3.509   -1.941
- 0.000000 12    0.893    1.811
- 0.000000 13    0.670   -1.249
- 0.000000 14    1.096   -0.440
- 0.000000 15   -0.893   -1.811
- 0.000000 16   -0.670    1.249
- 0.000000 17   -1.096    0.440
- 0.000000 18   -2.013   -3.232
- 0.000000 19   -3.087   -2.864
- 0.000000 20    1.564   -1.403
- 0.000000 21    2.013    3.232
- 0.000000 22    3.087    2.864
- 0.000000 23   -1.564    1.402
- 0.000000 24    0.263    0.275
- 0.000000 25   -0.362   -0.147
- 0.000000 26   -0.313    0.078
- 0.000000 27   -0.362   -0.147
- 0.000000 28   -0.380   -0.674
- 0.000000 29    0.412    0.259
- 0.000000 30   -0.286    0.495
- 0.000000 31   -0.303   -1.062
- 0.000000 32    0.552    0.429
- 0.050000 0   -1.033   -1.002
- 0.050000 1    0.027    0.087
- 0.050000 2    1.074   -0.172
- 0.050000 3    1.033    1.002
- 0.050000 4   -0.027   -0.087
- 0.050000 5   -1.074    0.172
- 0.050000 6    1.225   -7.626
- 0.050000 7   -2.456   -1.111
- 0.050000 8   11.055   19.129
- 0.050000 9   -1.225    7.626
- 0.050000 10    2.456    1.111
- 0.050000 11  -11.055  -19.129
- 0.050000 12    2.302    3.526
- 0.050000 13    1.962    2.880
- 0.050000 14   -1.159    0.343
- 0.050000 15   -2.302   -3.526
- 0.050000 16   -1.962   -2.880
- 0.050000 17    1.159   -0.343
- 0.050000 18    0.567   -1.401
- 0.050000 19    0.046   -2.971
- 0.050000 20    3.166    4.695
- 0.050000 21   -0.567    1.401
- 0.050000 22   -0.046    2.972
- 0.050000 23   -3.166   -4.695
- 0.050000 24   -0.258    0.620
- 0.050000 25    0.018   -0.458
- 0.050000 26    0.162   -0.818
- 0.050000 27    0.018   -0.458
- 0.050000 28   -0.356   -0.728
- 0.050000 29    1.242    1.634
- 0.050000 30    0.310   -0.095
- 0.050000 31    0.097   -0.149
- 0.050000 32    0.932    1.616
- 0.100000 0    0.214    0.079
- 0.100000 1   -0.237   -0.233
- 0.100000 2   -0.154   -0.012
- 0.100000 3   -0.214   -0.079
- 0.100000 4    0.237    0.233
- 0.100000 5    0.154    0.012
- 0.100000 6    4.187    5.476
- 0.100000 7   11.516    8.928
- 0.100000 8    4.697   16.342
- 0.100000 9   -4.187   -5.477
- 0.100000 10  -11.516   -8.929
- 0.100000 11   -4.697  -16.340
- 0.100000 12   -0.282    3.417
- 0.100000 13    0.225    3.378
- 0.100000 14   -3.134   -4.995
- 0.100000 15    0.282   -3.416
- 0.100000 16   -0.225   -3.378
- 0.100000 17    3.134    4.995
- 0.100000 18    0.581    1.269
- 0.100000 19    0.549    0.606
- 0.100000 20   -4.094   -0.254
- 0.100000 21   -0.581   -1.269
- 0.100000 22   -0.549   -0.605
- 0.100000 23    4.094    0.255
- 0.100000 24    0.275    0.075
- 0.100000 25    0.575    0.525
- 0.100000 26    0.086    0.238
- 0.100000 27    0.575    0.525
- 0.100000 28    1.499    1.068
- 0.100000 29   -0.144    1.209
- 0.100000 30    0.077    0.678
- 0.100000 31    0.097    0.338
- 0.100000 32    0.542    1.370
- 0.150000 0    0.544    0.002
- 0.150000 1   -0.376    0.223
- 0.150000 2    0.189    0.578
- 0.150000 3   -0.544   -0.001
- 0.150000 4    0.376   -0.223
- 0.150000 5   -0.189   -0.578
- 0.150000 6   -2.361    2.751
- 0.150000 7    9.279   23.340
- 0.150000 8   11.870   17.606
- 0.150000 9    2.361   -2.752
- 0.150000 10   -9.279  -23.341
- 0.150000 11  -11.870  -17.606
- 0.150000 12    0.476   -0.136
- 0.150000 13    3.351    3.840
- 0.150000 14    6.169   -0.636
- 0.150000 15   -0.476    0.136
- 0.150000 16   -3.351   -3.840
- 0.150000 17   -6.169    0.636
- 0.150000 18    1.909    2.265
- 0.150000 19    2.119    2.455
- 0.150000 20   -3.616   -6.117
- 0.150000 21   -1.909   -2.265
- 0.150000 22   -2.119   -2.455
- 0.150000 23    3.616    6.117
- 0.150000 24    0.056    0.426
- 0.150000 25   -0.337    0.252
- 0.150000 26   -0.096    0.588
- 0.150000 27   -0.337    0.252
- 0.150000 28    1.562    3.432
- 0.150000 29    2.498    2.375
- 0.150000 30    0.341    0.357
- 0.150000 31    0.815    1.075
- 0.150000 32    0.165    0.928
- 0.200000 0   -0.088    0.022
- 0.200000 1    0.095    0.019
- 0.200000 2   -0.013    0.026
- 0.200000 3    0.088   -0.022
- 0.200000 4   -0.095   -0.019
- 0.200000 5    0.013   -0.026
- 0.200000 6    5.701    3.508
- 0.200000 7    6.277   14.895
- 0.200000 8  -11.223   -0.199
- 0.200000 9   -5.701   -3.508
- 0.200000 10   -6.277  -14.894
- 0.200000 11   11.223    0.199
- 0.200000 12    3.382    3.932
- 0.200000 13    8.165   12.036
- 0.200000 14    0.191    7.315
- 0.200000 15   -3.382   -3.932
- 0.200000 16   -8.165  -12.035
- 0.200000 17   -0.191   -7.316
- 0.200000 18   -1.312    0.675
- 0.200000 19    0.368    2.573
- 0.200000 20    1.733   -2.029
- 0.200000 21    1.312   -0.675
- 0.200000 22   -0.368   -2.573
- 0.200000 23   -1.733    2.029
- 0.200000 24    0.918    0.931
- 0.200000 25    0.947    0.663
- 0.200000 26   -1.248   -1.305
- 0.200000 27    0.947    0.663
- 0.200000 28    1.771    3.305
- 0.200000 29   -0.954    1.590
- 0.200000 30   -0.271    0.028
- 0.200000 31   -0.227    0.649
- 0.200000 32    0.523    0.656
- 0.250000 0   -0.227    0.718
- 0.250000 1   -0.196   -1.219
- 0.250000 2   -0.848   -0.713
- 0.250000 3    0.227   -0.718
- 0.250000 4    0.196    1.219
- 0.250000 5    0.848    0.712
- 0.250000 6  -13.318   -7.308
- 0.250000 7    1.550    8.169
- 0.250000 8    7.812   -4.021
- 0.250000 9   13.318    7.308
- 0.250000 10   -1.550   -8.169
- 0.250000 11   -7.812    4.022
- 0.250000 12   -0.761    1.285
- 0.250000 13    6.963   11.902
- 0.250000 14   -0.606   -0.490
- 0.250000 15    0.761   -1.285
- 0.250000 16   -6.963  -11.902
- 0.250000 17    0.606    0.490
- 0.250000 18   -0.101   -2.153
- 0.250000 19    0.065    0.640
- 0.250000 20   -3.329   -0.617
- 0.250000 21    0.101    2.153
- 0.250000 22   -0.065   -0.640
- 0.250000 23    3.329    0.618
- 0.250000 24    1.747    2.663
- 0.250000 25   -0.098    0.738
- 0.250000 26   -1.375   -2.857
- 0.250000 27   -0.098    0.738
- 0.250000 28   -0.604    0.665
- 0.250000 29    0.565   -0.399
- 0.250000 30   -0.373   -0.844
- 0.250000 31    0.885    0.812
- 0.250000 32    0.441    1.017
- 0.300000 0    0.509    0.416
- 0.300000 1   -0.373   -0.454
- 0.300000 2   -0.618   -0.967
- 0.300000 3   -0.509   -0.416
- 0.300000 4    0.373    0.454
- 0.300000 5    0.618    0.967
- 0.300000 6    8.059   -5.639
- 0.300000 7    8.112    9.706
- 0.300000 8   10.580   18.614
- 0.300000 9   -8.059    5.638
- 0.300000 10   -8.112   -9.707
- 0.300000 11  -10.580  -18.615
- 0.300000 12   -1.785   -1.998
- 0.300000 13    0.432    2.386
- 0.300000 14    0.138   -0.032
- 0.300000 15    1.785    1.998
- 0.300000 16   -0.432   -2.386
- 0.300000 17   -0.138    0.032
- 0.300000 18    1.839    1.751
- 0.300000 19    0.519    0.576
- 0.300000 20    2.809   -0.118
- 0.300000 21   -1.839   -1.751
- 0.300000 22   -0.519   -0.576
- 0.300000 23   -2.809    0.118
- 0.300000 24    0.278    2.064
- 0.300000 25    0.729    0.559
- 0.300000 26    0.615   -0.793
- 0.300000 27    0.729    0.559
- 0.300000 28    0.701    0.549
- 0.300000 29    0.834    1.272
- 0.300000 30    0.320   -0.006
- 0.300000 31    0.301    0.574
- 0.300000 32    0.541    0.973
- 0.350000 0    0.145    0.707
- 0.350000 1    0.106   -0.307
- 0.350000 2    0.386   -0.296
- 0.350000 3   -0.145   -0.707
- 0.350000 4   -0.106    0.307
- 0.350000 5   -0.386    0.296
- 0.350000 6    5.448    8.531
- 0.350000 7   -6.043   -2.940
- 0.350000 8   -0.568    3.479
- 0.350000 9   -5.448   -8.531
- 0.350000 10    6.043    2.940
- 0.350000 11    0.568   -3.479
- 0.350000 12    2.219   -4.476
- 0.350000 13    4.778    6.399
- 0.350000 14   -1.790   -1.273
- 0.350000 15   -2.219    4.475
- 0.350000 16   -4.778   -6.400
- 0.350000 17    1.790    1.273
- 0.350000 18   -1.397    0.570
- 0.350000 19    0.668    1.223
- 0.350000 20   -3.827   -0.824
- 0.350000 21    1.397   -0.570
- 0.350000 22   -0.668   -1.223
- 0.350000 23    3.827    0.824
- 0.350000 24    0.065   -0.607
- 0.350000 25    0.555    0.938
- 0.350000 26    0.526    0.556
- 0.350000 27    0.555    0.938
- 0.350000 28    0.346    0.556
- 0.350000 29   -0.508   -0.294
- 0.350000 30    0.632    0.247
- 0.350000 31   -0.750   -0.473
- 0.350000 32    0.229    0.616
- 0.400000 0   -0.647   -0.114
- 0.400000 1    0.608    0.996
- 0.400000 2   -1.441   -0.021
- 0.400000 3    0.647    0.114
- 0.400000 4   -0.608   -0.996
- 0.400000 5    1.441    0.021
- 0.400000 6    0.325    3.289
- 0.400000 7    0.153   -3.135
- 0.400000 8    3.032    2.723
- 0.400000 9   -0.325   -3.290
- 0.400000 10   -0.153    3.135
- 0.400000 11   -3.032   -2.723
- 0.400000 12    4.875    7.481
- 0.400000 13    2.991    8.603
- 0.400000 14    3.711    1.608
- 0.400000 15   -4.875   -7.481
- 0.400000 16   -2.991   -8.603
- 0.400000 17   -3.711   -1.608
- 0.400000 18   -0.344   -1.777
- 0.400000 19    1.353    2.039
- 0.400000 20   -3.367   -7.294
- 0.400000 21    0.344    1.777
- 0.400000 22   -1.353   -2.039
- 0.400000 23    3.367    7.294
- 0.400000 24   -0.596   -0.311
- 0.400000 25   -0.194    0.299
- 0.400000 26   -0.968   -0.320
- 0.400000 27   -0.194    0.299
- 0.400000 28   -0.448    0.210
- 0.400000 29    0.265   -0.174
- 0.400000 30    0.606    0.996
- 0.400000 31    0.118   -0.339
- 0.400000 32    1.028    1.360
- 0.450000 0   -0.945   -1.615
- 0.450000 1    0.014    0.643
- 0.450000 2    1.387   -0.106
- 0.450000 3    0.945    1.615
- 0.450000 4   -0.014   -0.643
- 0.450000 5   -1.387    0.106
- 0.450000 6    1.956    2.185
- 0.450000 7   -2.625   -2.517
- 0.450000 8    0.808    2.942
- 0.450000 9   -1.956   -2.185
- 0.450000 10    2.625    2.517
- 0.450000 11   -0.808   -2.942
- 0.450000 12    2.184    6.548
- 0.450000 13   -0.896    1.781
- 0.450000 14   -4.870   -1.548
- 0.450000 15   -2.184   -6.548
- 0.450000 16    0.896   -1.781
- 0.450000 17    4.870    1.548
- 0.450000 18    1.512    1.291
- 0.450000 19   -3.933   -3.065
- 0.450000 20    1.338   -0.820
- 0.450000 21   -1.512   -1.291
- 0.450000 22    3.933    3.066
- 0.450000 23   -1.338    0.820
- 0.450000 24    0.314   -0.220
- 0.450000 25    0.128   -0.046
- 0.450000 26   -0.966   -1.761
- 0.450000 27    0.128   -0.046
- 0.450000 28   -0.451   -0.809
- 0.450000 29    0.434    0.594
- 0.450000 30   -0.597   -0.057
- 0.450000 31    0.901    1.029
- 0.450000 32    0.047    0.870
- 0.500000 0    1.033   -0.145
- 0.500000 1    0.085    0.102
- 0.500000 2   -1.857   -0.127
- 0.500000 3   -1.033    0.145
- 0.500000 4   -0.085   -0.102
- 0.500000 5    1.857    0.127
- 0.500000 6   -0.326   -1.296
- 0.500000 7    1.001    2.302
- 0.500000 8    0.650    0.249
- 0.500000 9    0.326    1.296
- 0.500000 10   -1.001   -2.303
- 0.500000 11   -0.650   -0.249
- 0.500000 12   -0.351    2.537
- 0.500000 13    2.037    0.852
- 0.500000 14   -6.770  -13.212
- 0.500000 15    0.351   -2.537
- 0.500000 16   -2.037   -0.852
- 0.500000 17    6.770   13.213
- 0.500000 18    0.101    1.736
- 0.500000 19   -0.004   -4.257
- 0.500000 20    2.999    4.446
- 0.500000 21   -0.101   -1.736
- 0.500000 22    0.004    4.257
- 0.500000 23   -2.999   -4.446
- 0.500000 24    0.178    0.753
- 0.500000 25   -0.065   -0.142
- 0.500000 26   -0.627   -1.811
- 0.500000 27   -0.065   -0.142
- 0.500000 28    0.380    0.154
- 0.500000 29   -0.890   -0.433
- 0.500000 30   -0.003   -0.345
- 0.500000 31   -0.211    0.319
- 0.500000 32    0.674    0.938
- 0.550000 0   -1.305   -0.253
- 0.550000 1    0.567    0.653
- 0.550000 2    1.646   -0.245
- 0.550000 3    1.305    0.253
- 0.550000 4   -0.567   -0.653
- 0.550000 5   -1.646    0.245
- 0.550000 6   -1.042   -1.312
- 0.550000 7    0.830    1.658
- 0.550000 8    0.281    0.819
- 0.550000 9    1.042    1.312
- 0.550000 10   -0.830   -1.658
- 0.550000 11   -0.281   -0.819
- 0.550000 12    1.814    1.672
- 0.550000 13   -3.793   -2.969
- 0.550000 14   -3.035   -5.771
- 0.550000 15   -1.814   -1.672
- 0.550000 16    3.793    2.969
- 0.550000 17    3.035    5.772
- 0.550000 18   -1.443   -1.292
- 0.550000 19    0.263    0.258
- 0.550000 20   -3.511    0.989
- 0.550000 21    1.443    1.292
- 0.550000 22   -0.263   -0.258
- 0.550000 23    3.511   -0.989
- 0.550000 24    0.456    0.622
- 0.550000 25   -0.075   -0.105
- 0.550000 26    0.385   -0.569
- 0.550000 27   -0.075   -0.105
- 0.550000 28   -0.139    0.055
- 0.550000 29   -0.159   -0.491
- 0.550000 30    0.163    0.146
- 0.550000 31   -0.420   -0.546
- 0.550000 32   -0.085    0.485
diff --git a/regtest/basic/rt64-mpi/deriva.1.reference b/regtest/basic/rt64-mpi/deriva.1.reference
deleted file mode 100644
index e3c9a0f1a..000000000
--- a/regtest/basic/rt64-mpi/deriva.1.reference
+++ /dev/null
@@ -1,397 +0,0 @@
-#! FIELDS time parameter rdca rdcan
- 0.000000 0   -1.172   -1.128
- 0.000000 1    0.509    0.594
- 0.000000 2    1.479   -0.303
- 0.000000 3    1.172    1.128
- 0.000000 4   -0.509   -0.594
- 0.000000 5   -1.479    0.303
- 0.000000 6    5.815    1.968
- 0.000000 7   -4.632   -4.048
- 0.000000 8   -1.568    1.941
- 0.000000 9   -5.815   -1.969
- 0.000000 10    4.632    4.048
- 0.000000 11    1.568   -1.941
- 0.000000 12    0.918    1.811
- 0.000000 13   -1.919   -1.249
- 0.000000 14   -1.536   -0.440
- 0.000000 15   -0.918   -1.811
- 0.000000 16    1.919    1.249
- 0.000000 17    1.536    0.440
- 0.000000 18   -1.219   -3.232
- 0.000000 19    0.222   -2.864
- 0.000000 20   -2.966   -1.403
- 0.000000 21    1.219    3.232
- 0.000000 22   -0.222    2.864
- 0.000000 23    2.966    1.402
- 0.000000 24    0.012    0.275
- 0.000000 25    0.215   -0.147
- 0.000000 26    0.391    0.078
- 0.000000 27    0.215   -0.147
- 0.000000 28   -0.294   -0.674
- 0.000000 29   -0.153    0.259
- 0.000000 30    0.781    0.495
- 0.000000 31   -0.759   -1.062
- 0.000000 32   -0.123    0.429
- 0.050000 0    0.031   -1.002
- 0.050000 1    0.059    0.087
- 0.050000 2   -1.246   -0.172
- 0.050000 3   -0.031    1.002
- 0.050000 4   -0.059   -0.087
- 0.050000 5    1.246    0.172
- 0.050000 6   -8.850   -7.626
- 0.050000 7    1.345   -1.111
- 0.050000 8    8.075   19.129
- 0.050000 9    8.850    7.626
- 0.050000 10   -1.345    1.111
- 0.050000 11   -8.075  -19.129
- 0.050000 12    1.224    3.526
- 0.050000 13    0.918    2.880
- 0.050000 14    1.502    0.343
- 0.050000 15   -1.224   -3.526
- 0.050000 16   -0.918   -2.880
- 0.050000 17   -1.502   -0.343
- 0.050000 18   -1.968   -1.401
- 0.050000 19   -3.018   -2.971
- 0.050000 20    1.529    4.695
- 0.050000 21    1.968    1.401
- 0.050000 22    3.018    2.972
- 0.050000 23   -1.529   -4.695
- 0.050000 24    0.878    0.620
- 0.050000 25   -0.476   -0.458
- 0.050000 26   -0.980   -0.818
- 0.050000 27   -0.476   -0.458
- 0.050000 28   -0.372   -0.728
- 0.050000 29    0.391    1.634
- 0.050000 30   -0.405   -0.095
- 0.050000 31   -0.246   -0.149
- 0.050000 32    0.684    1.616
- 0.100000 0   -0.136    0.079
- 0.100000 1    0.004   -0.233
- 0.100000 2    0.141   -0.012
- 0.100000 3    0.136   -0.079
- 0.100000 4   -0.004    0.233
- 0.100000 5   -0.141    0.012
- 0.100000 6    1.290    5.476
- 0.100000 7   -2.587    8.928
- 0.100000 8   11.644   16.342
- 0.100000 9   -1.290   -5.477
- 0.100000 10    2.587   -8.929
- 0.100000 11  -11.644  -16.340
- 0.100000 12    3.699    3.417
- 0.100000 13    3.153    3.378
- 0.100000 14   -1.862   -4.995
- 0.100000 15   -3.699   -3.416
- 0.100000 16   -3.153   -3.378
- 0.100000 17    1.862    4.995
- 0.100000 18    0.688    1.269
- 0.100000 19    0.056    0.606
- 0.100000 20    3.840   -0.254
- 0.100000 21   -0.688   -1.269
- 0.100000 22   -0.056   -0.605
- 0.100000 23   -3.840    0.255
- 0.100000 24   -0.200    0.075
- 0.100000 25   -0.049    0.525
- 0.100000 26    0.152    0.238
- 0.100000 27   -0.049    0.525
- 0.100000 28   -0.431    1.068
- 0.100000 29    1.352    1.209
- 0.100000 30    0.601    0.678
- 0.100000 31    0.241    0.338
- 0.100000 32    0.828    1.370
- 0.150000 0   -0.543    0.002
- 0.150000 1    0.600    0.223
- 0.150000 2    0.389    0.578
- 0.150000 3    0.543   -0.001
- 0.150000 4   -0.600   -0.223
- 0.150000 5   -0.389   -0.578
- 0.150000 6    5.112    2.751
- 0.150000 7   14.062   23.340
- 0.150000 8    5.736   17.606
- 0.150000 9   -5.112   -2.752
- 0.150000 10  -14.062  -23.341
- 0.150000 11   -5.736  -17.606
- 0.150000 12   -0.612   -0.136
- 0.150000 13    0.489    3.840
- 0.150000 14   -6.804   -0.636
- 0.150000 15    0.612    0.136
- 0.150000 16   -0.489   -3.840
- 0.150000 17    6.804    0.636
- 0.150000 18    0.355    2.265
- 0.150000 19    0.336    2.455
- 0.150000 20   -2.502   -6.117
- 0.150000 21   -0.355   -2.265
- 0.150000 22   -0.336   -2.455
- 0.150000 23    2.502    6.117
- 0.150000 24    0.370    0.426
- 0.150000 25    0.589    0.252
- 0.150000 26    0.684    0.588
- 0.150000 27    0.589    0.252
- 0.150000 28    1.869    3.432
- 0.150000 29   -0.123    2.375
- 0.150000 30    0.016    0.357
- 0.150000 31    0.261    1.075
- 0.150000 32    0.763    0.928
- 0.200000 0    0.110    0.022
- 0.200000 1   -0.076    0.019
- 0.200000 2    0.038    0.026
- 0.200000 3   -0.110   -0.022
- 0.200000 4    0.076   -0.019
- 0.200000 5   -0.038   -0.026
- 0.200000 6   -2.192    3.508
- 0.200000 7    8.617   14.895
- 0.200000 8   11.023   -0.199
- 0.200000 9    2.192   -3.508
- 0.200000 10   -8.617  -14.894
- 0.200000 11  -11.023    0.199
- 0.200000 12    0.550    3.932
- 0.200000 13    3.870   12.036
- 0.200000 14    7.125    7.315
- 0.200000 15   -0.550   -3.932
- 0.200000 16   -3.870  -12.035
- 0.200000 17   -7.125   -7.316
- 0.200000 18    1.987    0.675
- 0.200000 19    2.205    2.573
- 0.200000 20   -3.762   -2.029
- 0.200000 21   -1.987   -0.675
- 0.200000 22   -2.205   -2.573
- 0.200000 23    3.762    2.029
- 0.200000 24    0.014    0.931
- 0.200000 25   -0.284    0.663
- 0.200000 26   -0.057   -1.305
- 0.200000 27   -0.284    0.663
- 0.200000 28    1.534    3.305
- 0.200000 29    2.544    1.590
- 0.200000 30    0.299    0.028
- 0.200000 31    0.875    0.649
- 0.200000 32    0.133    0.656
- 0.250000 0    0.945    0.718
- 0.250000 1   -1.023   -1.219
- 0.250000 2    0.135   -0.713
- 0.250000 3   -0.945   -0.718
- 0.250000 4    1.023    1.219
- 0.250000 5   -0.135    0.712
- 0.250000 6    6.011   -7.308
- 0.250000 7    6.619    8.169
- 0.250000 8  -11.833   -4.021
- 0.250000 9   -6.011    7.308
- 0.250000 10   -6.619   -8.169
- 0.250000 11   11.833    4.022
- 0.250000 12    2.046    1.285
- 0.250000 13    4.939   11.902
- 0.250000 14    0.116   -0.490
- 0.250000 15   -2.046   -1.285
- 0.250000 16   -4.939  -11.902
- 0.250000 17   -0.116    0.490
- 0.250000 18   -2.053   -2.153
- 0.250000 19    0.575    0.640
- 0.250000 20    2.711   -0.617
- 0.250000 21    2.053    2.153
- 0.250000 22   -0.575   -0.640
- 0.250000 23   -2.711    0.618
- 0.250000 24    0.916    2.663
- 0.250000 25    0.835    0.738
- 0.250000 26   -1.482   -2.857
- 0.250000 27    0.835    0.738
- 0.250000 28    1.269    0.665
- 0.250000 29   -0.964   -0.399
- 0.250000 30   -0.470   -0.844
- 0.250000 31   -0.073    0.812
- 0.250000 32    0.576    1.017
- 0.300000 0   -0.093    0.416
- 0.300000 1   -0.081   -0.454
- 0.300000 2   -0.349   -0.967
- 0.300000 3    0.093   -0.416
- 0.300000 4    0.081    0.454
- 0.300000 5    0.349    0.967
- 0.300000 6  -13.697   -5.639
- 0.300000 7    1.594    9.706
- 0.300000 8    8.034   18.614
- 0.300000 9   13.697    5.638
- 0.300000 10   -1.594   -9.707
- 0.300000 11   -8.034  -18.615
- 0.300000 12   -0.213   -1.998
- 0.300000 13    1.953    2.386
- 0.300000 14   -0.170   -0.032
- 0.300000 15    0.213    1.998
- 0.300000 16   -1.953   -2.386
- 0.300000 17    0.170    0.032
- 0.300000 18   -0.089    1.751
- 0.300000 19    0.057    0.576
- 0.300000 20   -2.927   -0.118
- 0.300000 21    0.089   -1.751
- 0.300000 22   -0.057   -0.576
- 0.300000 23    2.927    0.118
- 0.300000 24    1.787    2.064
- 0.300000 25   -0.170    0.559
- 0.300000 26   -1.408   -0.793
- 0.300000 27   -0.170    0.559
- 0.300000 28   -0.152    0.549
- 0.300000 29    0.437    1.272
- 0.300000 30   -0.326   -0.006
- 0.300000 31    0.273    0.574
- 0.300000 32    0.432    0.973
- 0.350000 0    0.562    0.707
- 0.350000 1   -0.412   -0.307
- 0.350000 2   -0.682   -0.296
- 0.350000 3   -0.562   -0.707
- 0.350000 4    0.412    0.307
- 0.350000 5    0.682    0.296
- 0.350000 6    3.083    8.531
- 0.350000 7    3.104   -2.940
- 0.350000 8    4.048    3.479
- 0.350000 9   -3.083   -8.531
- 0.350000 10   -3.104    2.940
- 0.350000 11   -4.048   -3.479
- 0.350000 12   -6.694   -4.476
- 0.350000 13    1.622    6.399
- 0.350000 14    0.517   -1.273
- 0.350000 15    6.694    4.475
- 0.350000 16   -1.622   -6.400
- 0.350000 17   -0.517    1.273
- 0.350000 18    1.966    0.570
- 0.350000 19    0.555    1.223
- 0.350000 20    3.003   -0.824
- 0.350000 21   -1.966   -0.570
- 0.350000 22   -0.555   -1.223
- 0.350000 23   -3.003    0.824
- 0.350000 24   -0.672   -0.607
- 0.350000 25    0.383    0.938
- 0.350000 26    0.031    0.556
- 0.350000 27    0.383    0.938
- 0.350000 28    0.210    0.556
- 0.350000 29    0.214   -0.294
- 0.350000 30   -0.385    0.247
- 0.350000 31    0.277   -0.473
- 0.350000 32    0.388    0.616
- 0.400000 0    0.533   -0.114
- 0.400000 1    0.389    0.996
- 0.400000 2    1.420   -0.021
- 0.400000 3   -0.533    0.114
- 0.400000 4   -0.389   -0.996
- 0.400000 5   -1.420    0.021
- 0.400000 6    2.964    3.289
- 0.400000 7   -3.288   -3.135
- 0.400000 8   -0.309    2.723
- 0.400000 9   -2.964   -3.290
- 0.400000 10    3.288    3.135
- 0.400000 11    0.309   -2.723
- 0.400000 12    2.606    7.481
- 0.400000 13    5.613    8.603
- 0.400000 14   -2.103    1.608
- 0.400000 15   -2.606   -7.481
- 0.400000 16   -5.613   -8.603
- 0.400000 17    2.103   -1.608
- 0.400000 18   -1.433   -1.777
- 0.400000 19    0.686    2.039
- 0.400000 20   -3.927   -7.294
- 0.400000 21    1.433    1.777
- 0.400000 22   -0.686   -2.039
- 0.400000 23    3.927    7.294
- 0.400000 24    0.285   -0.311
- 0.400000 25    0.493    0.299
- 0.400000 26    0.648   -0.320
- 0.400000 27    0.493    0.299
- 0.400000 28    0.659    0.210
- 0.400000 29   -0.439   -0.174
- 0.400000 30    0.391    0.996
- 0.400000 31   -0.457   -0.339
- 0.400000 32    0.332    1.360
- 0.450000 0   -0.671   -1.615
- 0.450000 1    0.629    0.643
- 0.450000 2   -1.493   -0.106
- 0.450000 3    0.671    1.615
- 0.450000 4   -0.629   -0.643
- 0.450000 5    1.493    0.106
- 0.450000 6    0.229    2.185
- 0.450000 7    0.108   -2.517
- 0.450000 8    2.135    2.942
- 0.450000 9   -0.229   -2.185
- 0.450000 10   -0.108    2.517
- 0.450000 11   -2.135   -2.942
- 0.450000 12    4.365    6.548
- 0.450000 13    2.677    1.781
- 0.450000 14    3.322   -1.548
- 0.450000 15   -4.365   -6.548
- 0.450000 16   -2.677   -1.781
- 0.450000 17   -3.322    1.548
- 0.450000 18   -0.221    1.291
- 0.450000 19    0.867   -3.065
- 0.450000 20   -2.158   -0.820
- 0.450000 21    0.221   -1.291
- 0.450000 22   -0.867    3.066
- 0.450000 23    2.158    0.820
- 0.450000 24   -0.534   -0.220
- 0.450000 25   -0.175   -0.046
- 0.450000 26   -0.795   -1.761
- 0.450000 27   -0.175   -0.046
- 0.450000 28   -0.358   -0.809
- 0.450000 29    0.161    0.594
- 0.450000 30    0.539   -0.057
- 0.450000 31    0.128    1.029
- 0.450000 32    0.823    0.870
- 0.500000 0   -1.179   -0.145
- 0.500000 1    0.017    0.102
- 0.500000 2    1.731   -0.127
- 0.500000 3    1.179    0.145
- 0.500000 4   -0.017   -0.102
- 0.500000 5   -1.731    0.127
- 0.500000 6   -0.970   -1.296
- 0.500000 7    1.302    2.302
- 0.500000 8   -0.400    0.249
- 0.500000 9    0.970    1.296
- 0.500000 10   -1.302   -2.303
- 0.500000 11    0.400   -0.249
- 0.500000 12    2.889    2.537
- 0.500000 13   -1.185    0.852
- 0.500000 14   -6.442  -13.212
- 0.500000 15   -2.889   -2.537
- 0.500000 16    1.185   -0.852
- 0.500000 17    6.442   13.213
- 0.500000 18    1.635    1.736
- 0.500000 19   -4.253   -4.257
- 0.500000 20    1.447    4.446
- 0.500000 21   -1.635   -1.736
- 0.500000 22    4.253    4.257
- 0.500000 23   -1.447   -4.446
- 0.500000 24    0.575    0.753
- 0.500000 25   -0.077   -0.142
- 0.500000 26   -1.184   -1.811
- 0.500000 27   -0.077   -0.142
- 0.500000 28   -0.226    0.154
- 0.500000 29    0.457   -0.433
- 0.500000 30   -0.341   -0.345
- 0.500000 31    0.529    0.319
- 0.500000 32    0.264    0.938
- 0.550000 0    1.052   -0.253
- 0.550000 1    0.086    0.653
- 0.550000 2   -1.891   -0.245
- 0.550000 3   -1.052    0.253
- 0.550000 4   -0.086   -0.653
- 0.550000 5    1.891    0.245
- 0.550000 6   -0.270   -1.312
- 0.550000 7    0.828    1.658
- 0.550000 8    0.538    0.819
- 0.550000 9    0.270    1.312
- 0.550000 10   -0.828   -1.658
- 0.550000 11   -0.538   -0.819
- 0.550000 12   -0.142    1.672
- 0.550000 13    0.823   -2.969
- 0.550000 14   -2.737   -5.771
- 0.550000 15    0.142   -1.672
- 0.550000 16   -0.823    2.969
- 0.550000 17    2.737    5.772
- 0.550000 18    0.151   -1.292
- 0.550000 19   -0.005    0.258
- 0.550000 20    4.500    0.989
- 0.550000 21   -0.151    1.292
- 0.550000 22    0.005   -0.258
- 0.550000 23   -4.500   -0.989
- 0.550000 24    0.167    0.622
- 0.550000 25   -0.030   -0.105
- 0.550000 26   -0.954   -0.569
- 0.550000 27   -0.030   -0.105
- 0.550000 28    0.195    0.055
- 0.550000 29   -0.332   -0.491
- 0.550000 30   -0.018    0.146
- 0.550000 31   -0.126   -0.546
- 0.550000 32    0.570    0.485
diff --git a/regtest/basic/rt64-mpi/derivb.0.reference b/regtest/basic/rt64-mpi/derivb.0.reference
deleted file mode 100644
index 028ae7b25..000000000
--- a/regtest/basic/rt64-mpi/derivb.0.reference
+++ /dev/null
@@ -1,397 +0,0 @@
-#! FIELDS time parameter rdcb rdcbn
- 0.000000 0    0.057   -1.442
- 0.000000 1    0.109    0.760
- 0.000000 2   -2.278   -0.387
- 0.000000 3   -0.057    1.442
- 0.000000 4   -0.109   -0.760
- 0.000000 5    2.278    0.387
- 0.000000 6   -3.169    1.622
- 0.000000 7    0.482   -3.335
- 0.000000 8    2.891    1.599
- 0.000000 9    3.169   -1.622
- 0.000000 10   -0.482    3.335
- 0.000000 11   -2.891   -1.600
- 0.000000 12    0.666    1.351
- 0.000000 13    0.500   -0.932
- 0.000000 14    0.818   -0.328
- 0.000000 15   -0.666   -1.351
- 0.000000 16   -0.500    0.932
- 0.000000 17   -0.818    0.328
- 0.000000 18    2.728    4.380
- 0.000000 19    4.183    3.882
- 0.000000 20   -2.119    1.901
- 0.000000 21   -2.728   -4.380
- 0.000000 22   -4.183   -3.882
- 0.000000 23    2.119   -1.901
- 0.000000 24    0.529    0.188
- 0.000000 25    0.174    0.390
- 0.000000 26   -0.427   -1.279
- 0.000000 27    0.174    0.390
- 0.000000 28    0.406    0.174
- 0.000000 29    0.096    0.218
- 0.000000 30    0.292    0.732
- 0.000000 31    0.564    0.001
- 0.000000 32    0.098   -0.363
- 0.050000 0   -2.317   -2.247
- 0.050000 1    0.061    0.194
- 0.050000 2    2.409   -0.386
- 0.050000 3    2.317    2.247
- 0.050000 4   -0.061   -0.194
- 0.050000 5   -2.409    0.386
- 0.050000 6   -0.044    0.273
- 0.050000 7    0.088    0.040
- 0.050000 8   -0.396   -0.685
- 0.050000 9    0.044   -0.273
- 0.050000 10   -0.088   -0.040
- 0.050000 11    0.396    0.685
- 0.050000 12    0.174    0.266
- 0.050000 13    0.148    0.217
- 0.050000 14   -0.087    0.026
- 0.050000 15   -0.174   -0.266
- 0.050000 16   -0.148   -0.217
- 0.050000 17    0.087   -0.026
- 0.050000 18   -0.544    1.343
- 0.050000 19   -0.045    2.850
- 0.050000 20   -3.037   -4.503
- 0.050000 21    0.544   -1.343
- 0.050000 22    0.045   -2.850
- 0.050000 23    3.037    4.503
- 0.050000 24   -0.423   -0.346
- 0.050000 25   -0.012    0.180
- 0.050000 26   -0.124    0.009
- 0.050000 27   -0.012    0.180
- 0.050000 28    0.001    0.286
- 0.050000 29   -0.085    0.144
- 0.050000 30   -0.270   -0.027
- 0.050000 31    0.028    0.376
- 0.050000 32    0.004    0.060
- 0.100000 0    2.799    1.027
- 0.100000 1   -3.092   -3.045
- 0.100000 2   -2.004   -0.162
- 0.100000 3   -2.799   -1.027
- 0.100000 4    3.092    3.045
- 0.100000 5    2.004    0.162
- 0.100000 6    1.874    2.451
- 0.100000 7    5.154    3.996
- 0.100000 8    2.102    7.314
- 0.100000 9   -1.874   -2.451
- 0.100000 10   -5.154   -3.996
- 0.100000 11   -2.102   -7.313
- 0.100000 12    0.227   -2.752
- 0.100000 13   -0.181   -2.721
- 0.100000 14    2.524    4.024
- 0.100000 15   -0.227    2.752
- 0.100000 16    0.181    2.721
- 0.100000 17   -2.524   -4.024
- 0.100000 18   -0.405   -0.885
- 0.100000 19   -0.383   -0.422
- 0.100000 20    2.855    0.177
- 0.100000 21    0.405    0.885
- 0.100000 22    0.383    0.422
- 0.100000 23   -2.855   -0.178
- 0.100000 24   -0.147   -0.322
- 0.100000 25    0.386    0.601
- 0.100000 26    0.268   -0.265
- 0.100000 27    0.386    0.601
- 0.100000 28    0.389    0.400
- 0.100000 29    0.666    1.085
- 0.100000 30    0.460   -0.114
- 0.100000 31   -0.339   -0.743
- 0.100000 32   -0.627   -0.078
- 0.150000 0   -2.224   -0.006
- 0.150000 1    1.538   -0.912
- 0.150000 2   -0.771   -2.359
- 0.150000 3    2.224    0.006
- 0.150000 4   -1.538    0.912
- 0.150000 5    0.771    2.359
- 0.150000 6   -0.418    0.487
- 0.150000 7    1.641    4.128
- 0.150000 8    2.099    3.114
- 0.150000 9    0.418   -0.487
- 0.150000 10   -1.641   -4.128
- 0.150000 11   -2.099   -3.114
- 0.150000 12   -0.078    0.022
- 0.150000 13   -0.551   -0.631
- 0.150000 14   -1.014    0.105
- 0.150000 15    0.078   -0.022
- 0.150000 16    0.551    0.631
- 0.150000 17    1.014   -0.105
- 0.150000 18   -1.690   -2.005
- 0.150000 19   -1.876   -2.173
- 0.150000 20    3.201    5.415
- 0.150000 21    1.690    2.005
- 0.150000 22    1.876    2.173
- 0.150000 23   -3.201   -5.416
- 0.150000 24   -0.106   -0.240
- 0.150000 25    0.135    0.362
- 0.150000 26   -0.272    0.000
- 0.150000 27    0.135    0.362
- 0.150000 28    0.118    0.233
- 0.150000 29    0.024    0.389
- 0.150000 30   -0.639   -0.279
- 0.150000 31   -0.054   -0.352
- 0.150000 32    0.454    0.007
- 0.200000 0    1.907   -0.484
- 0.200000 1   -2.064   -0.411
- 0.200000 2    0.272   -0.557
- 0.200000 3   -1.907    0.484
- 0.200000 4    2.064    0.411
- 0.200000 5   -0.272    0.557
- 0.200000 6    1.184    0.729
- 0.200000 7    1.304    3.094
- 0.200000 8   -2.331   -0.041
- 0.200000 9   -1.184   -0.729
- 0.200000 10   -1.304   -3.093
- 0.200000 11    2.331    0.041
- 0.200000 12   -0.483   -0.561
- 0.200000 13   -1.165   -1.717
- 0.200000 14   -0.027   -1.044
- 0.200000 15    0.483    0.561
- 0.200000 16    1.165    1.717
- 0.200000 17    0.027    1.044
- 0.200000 18    1.231   -0.633
- 0.200000 19   -0.345   -2.414
- 0.200000 20   -1.626    1.904
- 0.200000 21   -1.231    0.633
- 0.200000 22    0.345    2.414
- 0.200000 23    1.626   -1.904
- 0.200000 24   -0.277   -0.389
- 0.200000 25    0.256    0.402
- 0.200000 26    0.055   -0.241
- 0.200000 27    0.256    0.402
- 0.200000 28   -0.223   -0.085
- 0.200000 29   -0.280   -0.244
- 0.200000 30   -0.254   -0.950
- 0.200000 31    0.226    0.162
- 0.200000 32   -0.034    0.474
- 0.250000 0   -0.692    2.194
- 0.250000 1   -0.599   -3.724
- 0.250000 2   -2.590   -2.177
- 0.250000 3    0.692   -2.194
- 0.250000 4    0.599    3.724
- 0.250000 5    2.590    2.177
- 0.250000 6   -3.230   -1.772
- 0.250000 7    0.376    1.981
- 0.250000 8    1.894   -0.975
- 0.250000 9    3.230    1.772
- 0.250000 10   -0.376   -1.981
- 0.250000 11   -1.894    0.975
- 0.250000 12    0.309   -0.521
- 0.250000 13   -2.823   -4.826
- 0.250000 14    0.246    0.199
- 0.250000 15   -0.309    0.521
- 0.250000 16    2.823    4.826
- 0.250000 17   -0.246   -0.199
- 0.250000 18    0.081    1.741
- 0.250000 19   -0.053   -0.518
- 0.250000 20    2.692    0.499
- 0.250000 21   -0.081   -1.741
- 0.250000 22    0.053    0.518
- 0.250000 23   -2.692   -0.499
- 0.250000 24    0.525    0.106
- 0.250000 25   -0.008    0.324
- 0.250000 26    0.458    0.551
- 0.250000 27   -0.008    0.324
- 0.250000 28    0.338   -0.065
- 0.250000 29    0.055   -0.295
- 0.250000 30    0.003   -0.380
- 0.250000 31   -0.288    0.070
- 0.250000 32    0.022   -0.041
- 0.300000 0    2.628    2.146
- 0.300000 1   -1.927   -2.343
- 0.300000 2   -3.187   -4.986
- 0.300000 3   -2.628   -2.146
- 0.300000 4    1.927    2.343
- 0.300000 5    3.187    4.986
- 0.300000 6    0.784   -0.549
- 0.300000 7    0.789    0.945
- 0.300000 8    1.030    1.812
- 0.300000 9   -0.784    0.549
- 0.300000 10   -0.789   -0.945
- 0.300000 11   -1.030   -1.812
- 0.300000 12    1.277    1.430
- 0.300000 13   -0.309   -1.707
- 0.300000 14   -0.099    0.023
- 0.300000 15   -1.277   -1.430
- 0.300000 16    0.309    1.707
- 0.300000 17    0.099   -0.023
- 0.300000 18   -1.121   -1.067
- 0.300000 19   -0.316   -0.351
- 0.300000 20   -1.711    0.072
- 0.300000 21    1.121    1.067
- 0.300000 22    0.316    0.351
- 0.300000 23    1.711   -0.072
- 0.300000 24    0.217    0.462
- 0.300000 25    0.187    0.202
- 0.300000 26    0.493    0.868
- 0.300000 27    0.187    0.202
- 0.300000 28    0.019    0.200
- 0.300000 29    0.044    0.086
- 0.300000 30    0.479    0.494
- 0.300000 31   -0.352   -0.487
- 0.300000 32   -0.666   -0.661
- 0.350000 0   -0.325   -1.583
- 0.350000 1   -0.237    0.686
- 0.350000 2   -0.864    0.662
- 0.350000 3    0.325    1.583
- 0.350000 4    0.237   -0.686
- 0.350000 5    0.864   -0.662
- 0.350000 6    6.235    9.764
- 0.350000 7   -6.917   -3.365
- 0.350000 8   -0.651    3.982
- 0.350000 9   -6.235   -9.765
- 0.350000 10    6.917    3.365
- 0.350000 11    0.651   -3.983
- 0.350000 12    0.584   -1.178
- 0.350000 13    1.258    1.685
- 0.350000 14   -0.471   -0.335
- 0.350000 15   -0.584    1.178
- 0.350000 16   -1.258   -1.685
- 0.350000 17    0.471    0.335
- 0.350000 18    0.683   -0.279
- 0.350000 19   -0.327   -0.598
- 0.350000 20    1.871    0.403
- 0.350000 21   -0.683    0.279
- 0.350000 22    0.327    0.598
- 0.350000 23   -1.871   -0.403
- 0.350000 24   -0.449   -0.095
- 0.350000 25    0.475    0.831
- 0.350000 26   -0.385    0.180
- 0.350000 27    0.475    0.831
- 0.350000 28   -0.295    0.068
- 0.350000 29   -0.061    0.479
- 0.350000 30    0.585    0.193
- 0.350000 31   -0.744   -0.462
- 0.350000 32   -0.230    0.027
- 0.400000 0   -2.310   -0.408
- 0.400000 1    2.168    3.555
- 0.400000 2   -5.142   -0.076
- 0.400000 3    2.310    0.407
- 0.400000 4   -2.168   -3.555
- 0.400000 5    5.142    0.076
- 0.400000 6   -0.193   -1.951
- 0.400000 7   -0.091    1.860
- 0.400000 8   -1.799   -1.615
- 0.400000 9    0.193    1.951
- 0.400000 10    0.091   -1.860
- 0.400000 11    1.799    1.615
- 0.400000 12   -1.037   -1.591
- 0.400000 13   -0.636   -1.829
- 0.400000 14   -0.789   -0.342
- 0.400000 15    1.037    1.591
- 0.400000 16    0.636    1.829
- 0.400000 17    0.789    0.342
- 0.400000 18    0.437    2.255
- 0.400000 19   -1.716   -2.586
- 0.400000 20    4.271    9.253
- 0.400000 21   -0.437   -2.255
- 0.400000 22    1.716    2.586
- 0.400000 23   -4.271   -9.253
- 0.400000 24   -0.110   -0.051
- 0.400000 25    0.241    0.375
- 0.400000 26   -0.125   -0.132
- 0.400000 27    0.241    0.375
- 0.400000 28    0.076    0.109
- 0.400000 29    0.029    0.956
- 0.400000 30    0.076   -0.094
- 0.400000 31   -0.125    0.240
- 0.400000 32   -0.080   -0.059
- 0.450000 0   -1.930   -3.300
- 0.450000 1    0.028    1.314
- 0.450000 2    2.833   -0.217
- 0.450000 3    1.930    3.300
- 0.450000 4   -0.028   -1.314
- 0.450000 5   -2.833    0.216
- 0.450000 6    9.050   10.109
- 0.450000 7  -12.147  -11.646
- 0.450000 8    3.736   13.612
- 0.450000 9   -9.050  -10.109
- 0.450000 10   12.147   11.647
- 0.450000 11   -3.736  -13.613
- 0.450000 12   -2.065   -6.193
- 0.450000 13    0.847   -1.685
- 0.450000 14    4.606    1.464
- 0.450000 15    2.065    6.193
- 0.450000 16   -0.847    1.685
- 0.450000 17   -4.606   -1.464
- 0.450000 18   -2.538   -2.167
- 0.450000 19    6.603    5.146
- 0.450000 20   -2.246    1.377
- 0.450000 21    2.538    2.167
- 0.450000 22   -6.603   -5.147
- 0.450000 23    2.246   -1.377
- 0.450000 24   -0.265   -0.105
- 0.450000 25    0.434    0.713
- 0.450000 26    0.031   -0.904
- 0.450000 27    0.434    0.713
- 0.450000 28   -0.206    0.006
- 0.450000 29   -0.213   -0.744
- 0.450000 30   -0.630   -0.873
- 0.450000 31    0.348    0.135
- 0.450000 32   -0.174    0.099
- 0.500000 0    1.153   -0.162
- 0.500000 1    0.095    0.114
- 0.500000 2   -2.073   -0.142
- 0.500000 3   -1.153    0.162
- 0.500000 4   -0.095   -0.114
- 0.500000 5    2.073    0.141
- 0.500000 6    1.014    4.029
- 0.500000 7   -3.111   -7.157
- 0.500000 8   -2.020   -0.775
- 0.500000 9   -1.014   -4.029
- 0.500000 10    3.111    7.158
- 0.500000 11    2.020    0.775
- 0.500000 12    0.091   -0.659
- 0.500000 13   -0.529   -0.221
- 0.500000 14    1.760    3.434
- 0.500000 15   -0.091    0.659
- 0.500000 16    0.529    0.221
- 0.500000 17   -1.760   -3.434
- 0.500000 18   -0.097   -1.675
- 0.500000 19    0.003    4.109
- 0.500000 20   -2.895   -4.292
- 0.500000 21    0.097    1.675
- 0.500000 22   -0.003   -4.109
- 0.500000 23    2.895    4.292
- 0.500000 24    0.176    0.220
- 0.500000 25    0.125    0.208
- 0.500000 26    0.110   -0.010
- 0.500000 27    0.125    0.208
- 0.500000 28   -0.369   -0.274
- 0.500000 29    0.008   -0.125
- 0.500000 30   -0.169   -0.307
- 0.500000 31    0.299    0.141
- 0.500000 32   -0.028    0.054
- 0.550000 0   -1.687   -0.327
- 0.550000 1    0.733    0.845
- 0.550000 2    2.128   -0.317
- 0.550000 3    1.687    0.327
- 0.550000 4   -0.733   -0.845
- 0.550000 5   -2.128    0.316
- 0.550000 6    3.005    3.784
- 0.550000 7   -2.394   -4.782
- 0.550000 8   -0.810   -2.361
- 0.550000 9   -3.005   -3.784
- 0.550000 10    2.394    4.782
- 0.550000 11    0.810    2.361
- 0.550000 12   -1.122   -1.034
- 0.550000 13    2.345    1.836
- 0.550000 14    1.877    3.569
- 0.550000 15    1.122    1.034
- 0.550000 16   -2.345   -1.836
- 0.550000 17   -1.877   -3.569
- 0.550000 18    1.012    0.906
- 0.550000 19   -0.185   -0.181
- 0.550000 20    2.463   -0.694
- 0.550000 21   -1.012   -0.906
- 0.550000 22    0.185    0.181
- 0.550000 23   -2.463    0.694
- 0.550000 24   -0.046    0.173
- 0.550000 25   -0.009    0.095
- 0.550000 26   -0.749   -0.675
- 0.550000 27   -0.009    0.095
- 0.550000 28    0.070   -0.227
- 0.550000 29    0.294    0.331
- 0.550000 30    0.028   -0.133
- 0.550000 31    0.108    0.342
- 0.550000 32    0.117    0.053
diff --git a/regtest/basic/rt64-mpi/derivb.1.reference b/regtest/basic/rt64-mpi/derivb.1.reference
deleted file mode 100644
index a17c801b8..000000000
--- a/regtest/basic/rt64-mpi/derivb.1.reference
+++ /dev/null
@@ -1,397 +0,0 @@
-#! FIELDS time parameter rdcb rdcbn
- 0.000000 0   -1.499   -1.442
- 0.000000 1    0.651    0.760
- 0.000000 2    1.891   -0.387
- 0.000000 3    1.499    1.442
- 0.000000 4   -0.651   -0.760
- 0.000000 5   -1.891    0.387
- 0.000000 6    4.791    1.622
- 0.000000 7   -3.817   -3.335
- 0.000000 8   -1.292    1.599
- 0.000000 9   -4.791   -1.622
- 0.000000 10    3.817    3.335
- 0.000000 11    1.292   -1.600
- 0.000000 12    0.685    1.351
- 0.000000 13   -1.432   -0.932
- 0.000000 14   -1.146   -0.328
- 0.000000 15   -0.685   -1.351
- 0.000000 16    1.432    0.932
- 0.000000 17    1.146    0.328
- 0.000000 18    1.652    4.380
- 0.000000 19   -0.301    3.882
- 0.000000 20    4.021    1.901
- 0.000000 21   -1.652   -4.380
- 0.000000 22    0.301   -3.882
- 0.000000 23   -4.021   -1.901
- 0.000000 24   -0.340    0.188
- 0.000000 25    0.216    0.390
- 0.000000 26   -0.852   -1.279
- 0.000000 27    0.216    0.390
- 0.000000 28   -0.232    0.174
- 0.000000 29    0.121    0.218
- 0.000000 30    0.440    0.732
- 0.000000 31   -0.563    0.001
- 0.000000 32   -0.461   -0.363
- 0.050000 0    0.070   -2.247
- 0.050000 1    0.133    0.194
- 0.050000 2   -2.795   -0.386
- 0.050000 3   -0.070    2.247
- 0.050000 4   -0.133   -0.194
- 0.050000 5    2.795    0.386
- 0.050000 6    0.317    0.273
- 0.050000 7   -0.048    0.040
- 0.050000 8   -0.289   -0.685
- 0.050000 9   -0.317   -0.273
- 0.050000 10    0.048   -0.040
- 0.050000 11    0.289    0.685
- 0.050000 12    0.092    0.266
- 0.050000 13    0.069    0.217
- 0.050000 14    0.113    0.026
- 0.050000 15   -0.092   -0.266
- 0.050000 16   -0.069   -0.217
- 0.050000 17   -0.113   -0.026
- 0.050000 18    1.888    1.343
- 0.050000 19    2.895    2.850
- 0.050000 20   -1.467   -4.503
- 0.050000 21   -1.888   -1.343
- 0.050000 22   -2.895   -2.850
- 0.050000 23    1.467    4.503
- 0.050000 24    0.077   -0.346
- 0.050000 25    0.192    0.180
- 0.050000 26    0.133    0.009
- 0.050000 27    0.192    0.180
- 0.050000 28    0.285    0.286
- 0.050000 29    0.229    0.144
- 0.050000 30    0.243   -0.027
- 0.050000 31    0.348    0.376
- 0.050000 32    0.056    0.060
- 0.100000 0   -1.771    1.027
- 0.100000 1    0.046   -3.045
- 0.100000 2    1.842   -0.162
- 0.100000 3    1.771   -1.027
- 0.100000 4   -0.046    3.045
- 0.100000 5   -1.842    0.162
- 0.100000 6    0.577    2.451
- 0.100000 7   -1.158    3.996
- 0.100000 8    5.212    7.314
- 0.100000 9   -0.577   -2.451
- 0.100000 10    1.158   -3.996
- 0.100000 11   -5.212   -7.313
- 0.100000 12   -2.979   -2.752
- 0.100000 13   -2.540   -2.721
- 0.100000 14    1.500    4.024
- 0.100000 15    2.979    2.752
- 0.100000 16    2.540    2.721
- 0.100000 17   -1.500   -4.024
- 0.100000 18   -0.480   -0.885
- 0.100000 19   -0.039   -0.422
- 0.100000 20   -2.677    0.177
- 0.100000 21    0.480    0.885
- 0.100000 22    0.039    0.422
- 0.100000 23    2.677   -0.178
- 0.100000 24   -0.175   -0.322
- 0.100000 25    0.215    0.601
- 0.100000 26   -0.532   -0.265
- 0.100000 27    0.215    0.601
- 0.100000 28    0.012    0.400
- 0.100000 29    0.419    1.085
- 0.100000 30   -0.574   -0.114
- 0.100000 31   -0.405   -0.743
- 0.100000 32    0.549   -0.078
- 0.150000 0    2.217   -0.006
- 0.150000 1   -2.449   -0.912
- 0.150000 2   -1.588   -2.359
- 0.150000 3   -2.217    0.006
- 0.150000 4    2.449    0.912
- 0.150000 5    1.588    2.359
- 0.150000 6    0.904    0.487
- 0.150000 7    2.487    4.128
- 0.150000 8    1.014    3.114
- 0.150000 9   -0.904   -0.487
- 0.150000 10   -2.487   -4.128
- 0.150000 11   -1.014   -3.114
- 0.150000 12    0.101    0.022
- 0.150000 13   -0.080   -0.631
- 0.150000 14    1.119    0.105
- 0.150000 15   -0.101   -0.022
- 0.150000 16    0.080    0.631
- 0.150000 17   -1.119   -0.105
- 0.150000 18   -0.314   -2.005
- 0.150000 19   -0.297   -2.173
- 0.150000 20    2.215    5.415
- 0.150000 21    0.314    2.005
- 0.150000 22    0.297    2.173
- 0.150000 23   -2.215   -5.416
- 0.150000 24   -0.133   -0.240
- 0.150000 25    0.227    0.362
- 0.150000 26    0.273    0.000
- 0.150000 27    0.227    0.362
- 0.150000 28    0.115    0.233
- 0.150000 29    0.365    0.389
- 0.150000 30    0.360   -0.279
- 0.150000 31   -0.298   -0.352
- 0.150000 32   -0.447    0.007
- 0.200000 0   -2.391   -0.484
- 0.200000 1    1.653   -0.411
- 0.200000 2   -0.829   -0.557
- 0.200000 3    2.391    0.484
- 0.200000 4   -1.653    0.411
- 0.200000 5    0.829    0.557
- 0.200000 6   -0.455    0.729
- 0.200000 7    1.790    3.094
- 0.200000 8    2.289   -0.041
- 0.200000 9    0.455   -0.729
- 0.200000 10   -1.790   -3.093
- 0.200000 11   -2.289    0.041
- 0.200000 12   -0.079   -0.561
- 0.200000 13   -0.552   -1.717
- 0.200000 14   -1.017   -1.044
- 0.200000 15    0.079    0.561
- 0.200000 16    0.552    1.717
- 0.200000 17    1.017    1.044
- 0.200000 18   -1.864   -0.633
- 0.200000 19   -2.069   -2.414
- 0.200000 20    3.530    1.904
- 0.200000 21    1.864    0.633
- 0.200000 22    2.069    2.414
- 0.200000 23   -3.530   -1.904
- 0.200000 24   -0.112   -0.389
- 0.200000 25    0.147    0.402
- 0.200000 26   -0.296   -0.241
- 0.200000 27    0.147    0.402
- 0.200000 28    0.137   -0.085
- 0.200000 29    0.037   -0.244
- 0.200000 30   -0.695   -0.950
- 0.200000 31   -0.063    0.162
- 0.200000 32    0.508    0.474
- 0.250000 0    2.887    2.194
- 0.250000 1   -3.125   -3.724
- 0.250000 2    0.413   -2.177
- 0.250000 3   -2.887   -2.194
- 0.250000 4    3.125    3.724
- 0.250000 5   -0.413    2.177
- 0.250000 6    1.458   -1.772
- 0.250000 7    1.605    1.981
- 0.250000 8   -2.869   -0.975
- 0.250000 9   -1.458    1.772
- 0.250000 10   -1.605   -1.981
- 0.250000 11    2.869    0.975
- 0.250000 12   -0.829   -0.521
- 0.250000 13   -2.003   -4.826
- 0.250000 14   -0.047    0.199
- 0.250000 15    0.829    0.521
- 0.250000 16    2.003    4.826
- 0.250000 17    0.047   -0.199
- 0.250000 18    1.660    1.741
- 0.250000 19   -0.465   -0.518
- 0.250000 20   -2.193    0.499
- 0.250000 21   -1.660   -1.741
- 0.250000 22    0.465    0.518
- 0.250000 23    2.193   -0.499
- 0.250000 24   -0.419    0.106
- 0.250000 25    0.331    0.324
- 0.250000 26    0.093    0.551
- 0.250000 27    0.331    0.324
- 0.250000 28   -0.403   -0.065
- 0.250000 29   -0.350   -0.295
- 0.250000 30   -0.383   -0.380
- 0.250000 31    0.358    0.070
- 0.250000 32   -0.063   -0.041
- 0.300000 0   -0.481    2.146
- 0.300000 1   -0.416   -2.343
- 0.300000 2   -1.799   -4.986
- 0.300000 3    0.481   -2.146
- 0.300000 4    0.416    2.343
- 0.300000 5    1.799    4.986
- 0.300000 6   -1.333   -0.549
- 0.300000 7    0.155    0.945
- 0.300000 8    0.782    1.812
- 0.300000 9    1.333    0.549
- 0.300000 10   -0.155   -0.945
- 0.300000 11   -0.782   -1.812
- 0.300000 12    0.153    1.430
- 0.300000 13   -1.398   -1.707
- 0.300000 14    0.122    0.023
- 0.300000 15   -0.153   -1.430
- 0.300000 16    1.398    1.707
- 0.300000 17   -0.122   -0.023
- 0.300000 18    0.054   -1.067
- 0.300000 19   -0.035   -0.351
- 0.300000 20    1.784    0.072
- 0.300000 21   -0.054    1.067
- 0.300000 22    0.035    0.351
- 0.300000 23   -1.784   -0.072
- 0.300000 24    0.245    0.462
- 0.300000 25    0.014    0.202
- 0.300000 26    0.376    0.868
- 0.300000 27    0.014    0.202
- 0.300000 28    0.181    0.200
- 0.300000 29    0.042    0.086
- 0.300000 30    0.016    0.494
- 0.300000 31   -0.135   -0.487
- 0.300000 32    0.004   -0.661
- 0.350000 0   -1.258   -1.583
- 0.350000 1    0.923    0.686
- 0.350000 2    1.526    0.662
- 0.350000 3    1.258    1.583
- 0.350000 4   -0.923   -0.686
- 0.350000 5   -1.526   -0.662
- 0.350000 6    3.529    9.764
- 0.350000 7    3.552   -3.365
- 0.350000 8    4.633    3.982
- 0.350000 9   -3.529   -9.765
- 0.350000 10   -3.552    3.365
- 0.350000 11   -4.633   -3.983
- 0.350000 12   -1.763   -1.178
- 0.350000 13    0.427    1.685
- 0.350000 14    0.136   -0.335
- 0.350000 15    1.763    1.178
- 0.350000 16   -0.427   -1.685
- 0.350000 17   -0.136    0.335
- 0.350000 18   -0.961   -0.279
- 0.350000 19   -0.271   -0.598
- 0.350000 20   -1.468    0.403
- 0.350000 21    0.961    0.279
- 0.350000 22    0.271    0.598
- 0.350000 23    1.468   -0.403
- 0.350000 24    0.354   -0.095
- 0.350000 25    0.356    0.831
- 0.350000 26    0.565    0.180
- 0.350000 27    0.356    0.831
- 0.350000 28    0.363    0.068
- 0.350000 29    0.540    0.479
- 0.350000 30   -0.393    0.193
- 0.350000 31    0.282   -0.462
- 0.350000 32    0.256    0.027
- 0.400000 0    1.902   -0.408
- 0.400000 1    1.387    3.555
- 0.400000 2    5.066   -0.076
- 0.400000 3   -1.902    0.407
- 0.400000 4   -1.387   -3.555
- 0.400000 5   -5.066    0.076
- 0.400000 6   -1.758   -1.951
- 0.400000 7    1.951    1.860
- 0.400000 8    0.183   -1.615
- 0.400000 9    1.758    1.951
- 0.400000 10   -1.951   -1.860
- 0.400000 11   -0.183    1.615
- 0.400000 12   -0.554   -1.591
- 0.400000 13   -1.193   -1.829
- 0.400000 14    0.447   -0.342
- 0.400000 15    0.554    1.591
- 0.400000 16    1.193    1.829
- 0.400000 17   -0.447    0.342
- 0.400000 18    1.818    2.255
- 0.400000 19   -0.870   -2.586
- 0.400000 20    4.981    9.253
- 0.400000 21   -1.818   -2.255
- 0.400000 22    0.870    2.586
- 0.400000 23   -4.981   -9.253
- 0.400000 24    0.059   -0.051
- 0.400000 25    0.134    0.375
- 0.400000 26   -0.008   -0.132
- 0.400000 27    0.134    0.375
- 0.400000 28    0.033    0.109
- 0.400000 29    0.927    0.956
- 0.400000 30   -0.169   -0.094
- 0.400000 31    0.365    0.240
- 0.400000 32    0.022   -0.059
- 0.450000 0   -1.370   -3.300
- 0.450000 1    1.286    1.314
- 0.450000 2   -3.050   -0.217
- 0.450000 3    1.370    3.300
- 0.450000 4   -1.286   -1.314
- 0.450000 5    3.050    0.216
- 0.450000 6    1.059   10.109
- 0.450000 7    0.500  -11.646
- 0.450000 8    9.877   13.612
- 0.450000 9   -1.059  -10.109
- 0.450000 10   -0.500   11.647
- 0.450000 11   -9.877  -13.613
- 0.450000 12   -4.128   -6.193
- 0.450000 13   -2.532   -1.685
- 0.450000 14   -3.142    1.464
- 0.450000 15    4.128    6.193
- 0.450000 16    2.532    1.685
- 0.450000 17    3.142   -1.464
- 0.450000 18    0.370   -2.167
- 0.450000 19   -1.456    5.146
- 0.450000 20    3.623    1.377
- 0.450000 21   -0.370    2.167
- 0.450000 22    1.456   -5.147
- 0.450000 23   -3.623   -1.377
- 0.450000 24    0.160   -0.105
- 0.450000 25    0.280    0.713
- 0.450000 26   -0.935   -0.904
- 0.450000 27    0.280    0.713
- 0.450000 28    0.212    0.006
- 0.450000 29   -0.531   -0.744
- 0.450000 30   -0.242   -0.873
- 0.450000 31   -0.213    0.135
- 0.450000 32    0.273    0.099
- 0.500000 0   -1.316   -0.162
- 0.500000 1    0.019    0.114
- 0.500000 2    1.932   -0.142
- 0.500000 3    1.316    0.162
- 0.500000 4   -0.019   -0.114
- 0.500000 5   -1.932    0.141
- 0.500000 6    3.015    4.029
- 0.500000 7   -4.047   -7.157
- 0.500000 8    1.245   -0.775
- 0.500000 9   -3.015   -4.029
- 0.500000 10    4.047    7.158
- 0.500000 11   -1.245    0.775
- 0.500000 12   -0.751   -0.659
- 0.500000 13    0.308   -0.221
- 0.500000 14    1.674    3.434
- 0.500000 15    0.751    0.659
- 0.500000 16   -0.308    0.221
- 0.500000 17   -1.674   -3.434
- 0.500000 18   -1.578   -1.675
- 0.500000 19    4.106    4.109
- 0.500000 20   -1.397   -4.292
- 0.500000 21    1.578    1.675
- 0.500000 22   -4.106   -4.109
- 0.500000 23    1.397    4.292
- 0.500000 24    0.044    0.220
- 0.500000 25    0.083    0.208
- 0.500000 26   -0.119   -0.010
- 0.500000 27    0.083    0.208
- 0.500000 28    0.096   -0.274
- 0.500000 29   -0.133   -0.125
- 0.500000 30   -0.138   -0.307
- 0.500000 31   -0.158    0.141
- 0.500000 32    0.082    0.054
- 0.550000 0    1.360   -0.327
- 0.550000 1    0.112    0.845
- 0.550000 2   -2.445   -0.317
- 0.550000 3   -1.360    0.327
- 0.550000 4   -0.112   -0.845
- 0.550000 5    2.445    0.316
- 0.550000 6    0.778    3.784
- 0.550000 7   -2.388   -4.782
- 0.550000 8   -1.551   -2.361
- 0.550000 9   -0.778   -3.784
- 0.550000 10    2.388    4.782
- 0.550000 11    1.551    2.361
- 0.550000 12    0.088   -1.034
- 0.550000 13   -0.509    1.836
- 0.550000 14    1.692    3.569
- 0.550000 15   -0.088    1.034
- 0.550000 16    0.509   -1.836
- 0.550000 17   -1.692   -3.569
- 0.550000 18   -0.106    0.906
- 0.550000 19    0.004   -0.181
- 0.550000 20   -3.157   -0.694
- 0.550000 21    0.106   -0.906
- 0.550000 22   -0.004    0.181
- 0.550000 23    3.157    0.694
- 0.550000 24    0.220    0.173
- 0.550000 25    0.105    0.095
- 0.550000 26    0.074   -0.675
- 0.550000 27    0.105    0.095
- 0.550000 28   -0.297   -0.227
- 0.550000 29    0.037    0.331
- 0.550000 30   -0.161   -0.133
- 0.550000 31    0.233    0.342
- 0.550000 32   -0.064    0.053
diff --git a/regtest/basic/rt64-mpi/plumed.dat b/regtest/basic/rt64-mpi/plumed.dat
index 0abdc1ec8..5e86ce2b2 100644
--- a/regtest/basic/rt64-mpi/plumed.dat
+++ b/regtest/basic/rt64-mpi/plumed.dat
@@ -10,18 +10,6 @@ ATOMS3=29,31 COUPLING3=3.9190
 ATOMS4=33,34 COUPLING4=4.9190
 ... RDC
 
-RDC ...
-ENSEMBLE
-LABEL=rdcan
-SCALE=0.001
-GYROM=-72.5388
-ATOMS1=22,23 COUPLING1=1.9190
-ATOMS2=25,27 COUPLING2=2.9190
-ATOMS3=29,31 COUPLING3=3.9190
-ATOMS4=33,34 COUPLING4=4.9190
-NUMERICAL_DERIVATIVES
-... RDC
-
 RDC ...
 ENSEMBLE
 LABEL=rdcb
@@ -34,19 +22,4 @@ ATOMS3=29,31 COUPLING3=3.9190
 ATOMS4=33,34 COUPLING4=4.9190
 ... RDC
 
-RDC ...
-ENSEMBLE
-LABEL=rdcbn
-CORRELATION
-SCALE=0.001
-GYROM=-72.5388
-ATOMS1=22,23 COUPLING1=1.9190
-ATOMS2=25,27 COUPLING2=2.9190
-ATOMS3=29,31 COUPLING3=3.9190
-ATOMS4=33,34 COUPLING4=4.9190
-NUMERICAL_DERIVATIVES
-... RDC
-
-DUMPDERIVATIVES ARG=rdca,rdcan STRIDE=1 FILE=deriva FMT=%8.3f
-DUMPDERIVATIVES ARG=rdcb,rdcbn STRIDE=1 FILE=derivb FMT=%8.3f
 PRINT ARG=rdca,rdcb FILE=COLVAR STRIDE=1
-- 
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