From e02816d5c39ffe8b6925a7423734e19a577c3c12 Mon Sep 17 00:00:00 2001
From: Giovanni Bussi <giovanni.bussi@gmail.com>
Date: Thu, 30 Jul 2015 13:45:41 +0200
Subject: [PATCH] Fixed several numerical tests

reduced precision to make them work with stronger optimizations
---
 regtest/basic/rt-molfile-6/out.gro.reference  |  24 +-
 regtest/basic/rt-molfile-6/plumed.dat         |   2 +-
 regtest/basic/rt16/mu1.reference              | 390 +++++++++---------
 regtest/basic/rt16/mu1corr.reference          | 270 ++++++------
 regtest/basic/rt16/plumed.dat                 |   4 +-
 .../multicolvar/rt21/derivatives.reference    | 212 +++++-----
 regtest/multicolvar/rt21/plumed.dat           |   2 +-
 7 files changed, 452 insertions(+), 452 deletions(-)

diff --git a/regtest/basic/rt-molfile-6/out.gro.reference b/regtest/basic/rt-molfile-6/out.gro.reference
index d8890ef08..902bc0c16 100644
--- a/regtest/basic/rt-molfile-6/out.gro.reference
+++ b/regtest/basic/rt-molfile-6/out.gro.reference
@@ -1,20 +1,20 @@
 Made with PLUMED t=0.000000
 2
-    0         X    1   6.422  10.929   5.097
-    0         X    2   6.412  11.021   5.136
-   0.0000000    0.0000000    0.0000000    0.0000000    0.0000000    0.0000000    0.0000000    0.0000000    0.0000000
+    0         X    1   6.422000  10.929000   5.097000
+    0         X    2   6.412000  11.021000   5.136000
+   0.000000    0.000000    0.000000    0.000000    0.000000    0.000000    0.000000    0.000000    0.000000
 Made with PLUMED t=1.000000
 2
-    0         X    1   6.422  10.929   5.097
-    0         X    2   6.412  11.021   5.136
-  11.2764999   11.2764999    7.9736896    0.0000000    0.0000000    0.0000000    0.0000000    5.6382500    5.6382501
+    0         X    1   6.422000  10.929000   5.097000
+    0         X    2   6.412000  11.021000   5.136000
+  11.276500   11.276500    7.973690    0.000000    0.000000    0.000000    0.000000    5.638250    5.638250
 Made with PLUMED t=2.000000
 2
-    0         X    1   6.422  10.929   5.097
-    0         X    2   6.412  11.021   5.136
-   1.2765000    1.2765000    0.9026218    0.0000000    0.0000000    0.0000000    0.0000000    0.6382500    0.6382500
+    0         X    1   6.422000  10.929000   5.097000
+    0         X    2   6.412000  11.021000   5.136000
+   1.276500    1.276500    0.902622    0.000000    0.000000    0.000000    0.000000    0.638250    0.638250
 Made with PLUMED t=3.000000
 2
-    0         X    1   6.422  10.929   5.097
-    0         X    2   6.412  11.021   5.136
-   1.2765000    1.2765000    0.9026218    0.0000000    0.0000000    0.0000000    0.0000000    0.6382500    0.6382500
+    0         X    1   6.422000  10.929000   5.097000
+    0         X    2   6.412000  11.021000   5.136000
+   1.276500    1.276500    0.902622    0.000000    0.000000    0.000000    0.000000    0.638250    0.638250
diff --git a/regtest/basic/rt-molfile-6/plumed.dat b/regtest/basic/rt-molfile-6/plumed.dat
index 501da6a30..483ee1281 100644
--- a/regtest/basic/rt-molfile-6/plumed.dat
+++ b/regtest/basic/rt-molfile-6/plumed.dat
@@ -1 +1 @@
-DUMPATOMS FILE=out.gro ATOMS=1-2
+DUMPATOMS FILE=out.gro ATOMS=1-2  PRECISION=6
diff --git a/regtest/basic/rt16/mu1.reference b/regtest/basic/rt16/mu1.reference
index 63a5f6e8c..19951516b 100644
--- a/regtest/basic/rt16/mu1.reference
+++ b/regtest/basic/rt16/mu1.reference
@@ -1,196 +1,196 @@
 #! FIELDS time parameter mu1 mu1n
- 0.000000 0   -0.0297783047   -0.0297783017
- 0.000000 1    0.0019264368    0.0019264817
- 0.000000 2   -0.4991087471   -0.4991087317
- 0.000000 3   -0.0297783047   -0.0297783017
- 0.000000 4    0.0019264368    0.0019264817
- 0.000000 5   -0.4991087471   -0.4991087317
- 0.000000 6   -0.0297783047   -0.0297783017
- 0.000000 7    0.0019264368    0.0019264817
- 0.000000 8   -0.4991087471   -0.4991087317
- 0.000000 9   -0.0297783047   -0.0297783017
- 0.000000 10    0.0019264368    0.0019264817
- 0.000000 11   -0.4991087471   -0.4991087317
- 0.000000 12   -0.0297783047   -0.0297783017
- 0.000000 13    0.0019264368    0.0019264817
- 0.000000 14   -0.4991087471   -0.4991087317
- 0.000000 15    0.0297783047    0.0297783017
- 0.000000 16   -0.0019264368   -0.0019264221
- 0.000000 17    0.4991087471    0.4991087914
- 0.000000 18    0.0297783047    0.0297783017
- 0.000000 19   -0.0019264368   -0.0019264221
- 0.000000 20    0.4991087471    0.4991087914
- 0.000000 21    0.0297783047    0.0297783017
- 0.000000 22   -0.0019264368   -0.0019264221
- 0.000000 23    0.4991087471    0.4991087914
- 0.000000 24    0.0297783047    0.0297783017
- 0.000000 25   -0.0019264368   -0.0019264221
- 0.000000 26    0.4991087471    0.4991087914
- 0.000000 27    0.0297783047    0.0297783017
- 0.000000 28   -0.0019264368   -0.0019264221
- 0.000000 29    0.4991087471    0.4991087914
- 0.000000 30   -0.0194446577   -0.0194446461
- 0.000000 31    0.0012579260    0.0012578067
- 0.000000 32   -0.3259083706   -0.3259085836
- 0.000000 33    0.0012579260    0.0012578067
- 0.000000 34   -0.0000813785   -0.0000813910
- 0.000000 35    0.0210838694    0.0210835791
- 0.000000 36   -0.3259083706   -0.3259085836
- 0.000000 37    0.0210838694    0.0210838794
- 0.000000 38   -5.4624909079   -5.4624907394
- 0.050000 0   -0.0217760387   -0.0217760801
- 0.050000 1    0.0055479499    0.0055479407
- 0.050000 2   -0.4994947691   -0.4994947910
- 0.050000 3   -0.0217760387   -0.0217760801
- 0.050000 4    0.0055479499    0.0055479407
- 0.050000 5   -0.4994947691   -0.4994947910
- 0.050000 6   -0.0217760387   -0.0217760801
- 0.050000 7    0.0055479499    0.0055479407
- 0.050000 8   -0.4994947691   -0.4994947910
- 0.050000 9   -0.0217760387   -0.0217760801
- 0.050000 10    0.0055479499    0.0055479407
- 0.050000 11   -0.4994947691   -0.4994947910
- 0.050000 12   -0.0217760387   -0.0217760801
- 0.050000 13    0.0055479499    0.0055479407
- 0.050000 14   -0.4994947691   -0.4994947910
- 0.050000 15    0.0217760387    0.0217760205
- 0.050000 16   -0.0055479499   -0.0055480003
- 0.050000 17    0.4994947691    0.4994947314
- 0.050000 18    0.0217760387    0.0217760205
- 0.050000 19   -0.0055479499   -0.0055480003
- 0.050000 20    0.4994947691    0.4994947314
- 0.050000 21    0.0217760387    0.0217760205
- 0.050000 22   -0.0055479499   -0.0055480003
- 0.050000 23    0.4994947691    0.4994947314
- 0.050000 24    0.0217760387    0.0217760205
- 0.050000 25   -0.0055479499   -0.0055480003
- 0.050000 26    0.4994947691    0.4994947314
- 0.050000 27    0.0217760387    0.0217760205
- 0.050000 28   -0.0055479499   -0.0055480003
- 0.050000 29    0.4994947691    0.4994947314
- 0.050000 30   -0.0104343235   -0.0104342693
- 0.050000 31    0.0026583855    0.0026585732
- 0.050000 32   -0.2393405939   -0.2393400687
- 0.050000 33    0.0026583855    0.0026585732
- 0.050000 34   -0.0006772852   -0.0006769571
- 0.050000 35    0.0609775566    0.0609777952
- 0.050000 36   -0.2393405939   -0.2393403691
- 0.050000 37    0.0609775566    0.0609777952
- 0.050000 38   -5.4899505157   -5.4899504493
- 0.100000 0   -0.0137883171   -0.0137882829
- 0.100000 1    0.0113627884    0.0113627911
- 0.100000 2   -0.4996806674   -0.4996806383
- 0.100000 3   -0.0137883171   -0.0137882829
- 0.100000 4    0.0113627884    0.0113627911
- 0.100000 5   -0.4996806674   -0.4996806383
- 0.100000 6   -0.0137883171   -0.0137882829
- 0.100000 7    0.0113627884    0.0113627911
- 0.100000 8   -0.4996806674   -0.4996806383
- 0.100000 9   -0.0137883171   -0.0137882829
- 0.100000 10    0.0113627884    0.0113627911
- 0.100000 11   -0.4996806674   -0.4996806383
- 0.100000 12   -0.0137883171   -0.0137882829
- 0.100000 13    0.0113627884    0.0113627911
- 0.100000 14   -0.4996806674   -0.4996806383
- 0.100000 15    0.0137883171    0.0137883425
- 0.100000 16   -0.0113627884   -0.0113627911
- 0.100000 17    0.4996806674    0.4996806383
- 0.100000 18    0.0137883171    0.0137883425
- 0.100000 19   -0.0113627884   -0.0113627911
- 0.100000 20    0.4996806674    0.4996806383
- 0.100000 21    0.0137883171    0.0137883425
- 0.100000 22   -0.0113627884   -0.0113627911
- 0.100000 23    0.4996806674    0.4996806383
- 0.100000 24    0.0137883171    0.0137883425
- 0.100000 25   -0.0113627884   -0.0113627911
- 0.100000 26    0.4996806674    0.4996806383
- 0.100000 27    0.0137883171    0.0137883425
- 0.100000 28   -0.0113627884   -0.0113627911
- 0.100000 29    0.4996806674    0.4996806383
- 0.100000 30   -0.0041847327   -0.0041848802
- 0.100000 31    0.0034485886    0.0034484566
- 0.100000 32   -0.1516523037   -0.1516522020
- 0.100000 33    0.0034485886    0.0034484566
- 0.100000 34   -0.0028419409   -0.0028420785
- 0.100000 35    0.1249748635    0.1249748671
- 0.100000 36   -0.1516523037   -0.1516522020
- 0.100000 37    0.1249748635    0.1249748671
- 0.100000 38   -5.4957921208   -5.4957922826
- 0.150000 0   -0.0058128616   -0.0058128238
- 0.150000 1    0.0167205309    0.0167205334
- 0.150000 2   -0.4996865362   -0.4996865392
- 0.150000 3   -0.0058128616   -0.0058128238
- 0.150000 4    0.0167205309    0.0167205334
- 0.150000 5   -0.4996865362   -0.4996865392
- 0.150000 6   -0.0058128616   -0.0058128238
- 0.150000 7    0.0167205309    0.0167205334
- 0.150000 8   -0.4996865362   -0.4996865392
- 0.150000 9   -0.0058128616   -0.0058128238
- 0.150000 10    0.0167205309    0.0167205334
- 0.150000 11   -0.4996865362   -0.4996865392
- 0.150000 12   -0.0058128616   -0.0058128238
- 0.150000 13    0.0167205309    0.0167205334
- 0.150000 14   -0.4996865362   -0.4996865392
- 0.150000 15    0.0058128616    0.0058128834
- 0.150000 16   -0.0167205309   -0.0167205334
- 0.150000 17    0.4996865362    0.4996865392
- 0.150000 18    0.0058128616    0.0058128834
- 0.150000 19   -0.0167205309   -0.0167205334
- 0.150000 20    0.4996865362    0.4996865392
- 0.150000 21    0.0058128616    0.0058128834
- 0.150000 22   -0.0167205309   -0.0167205334
- 0.150000 23    0.4996865362    0.4996865392
- 0.150000 24    0.0058128616    0.0058128834
- 0.150000 25   -0.0167205309   -0.0167205334
- 0.150000 26    0.4996865362    0.4996865392
- 0.150000 27    0.0058128616    0.0058128834
- 0.150000 28   -0.0167205309   -0.0167205334
- 0.150000 29    0.4996865362    0.4996865392
- 0.150000 30   -0.0007418169   -0.0007418296
- 0.150000 31    0.0021338151    0.0021338865
- 0.150000 32   -0.0637682314   -0.0637682159
- 0.150000 33    0.0021338151    0.0021338865
- 0.150000 34   -0.0061378584   -0.0061379645
- 0.150000 35    0.1834275023    0.1834274382
- 0.150000 36   -0.0637682314   -0.0637682159
- 0.150000 37    0.1834275023    0.1834274382
- 0.150000 38   -5.4816592712   -5.4816590765
- 0.200000 0   -0.0009680316   -0.0009680390
- 0.200000 1    0.0177428491    0.0177428722
- 0.200000 2   -0.4996841545   -0.4996841550
- 0.200000 3   -0.0009680316   -0.0009680390
- 0.200000 4    0.0177428491    0.0177428722
- 0.200000 5   -0.4996841545   -0.4996841550
- 0.200000 6   -0.0009680316   -0.0009680390
- 0.200000 7    0.0177428491    0.0177428722
- 0.200000 8   -0.4996841545   -0.4996841550
- 0.200000 9   -0.0009680316   -0.0009680390
- 0.200000 10    0.0177428491    0.0177428722
- 0.200000 11   -0.4996841545   -0.4996841550
- 0.200000 12   -0.0009680316   -0.0009680390
- 0.200000 13    0.0177428491    0.0177428722
- 0.200000 14   -0.4996841545   -0.4996841550
- 0.200000 15    0.0009680316    0.0009680390
- 0.200000 16   -0.0177428491   -0.0177428722
- 0.200000 17    0.4996841545    0.4996841550
- 0.200000 18    0.0009680316    0.0009680390
- 0.200000 19   -0.0177428491   -0.0177428722
- 0.200000 20    0.4996841545    0.4996841550
- 0.200000 21    0.0009680316    0.0009680390
- 0.200000 22   -0.0177428491   -0.0177428722
- 0.200000 23    0.4996841545    0.4996841550
- 0.200000 24    0.0009680316    0.0009680390
- 0.200000 25   -0.0177428491   -0.0177428722
- 0.200000 26    0.4996841545    0.4996841550
- 0.200000 27    0.0009680316    0.0009680390
- 0.200000 28   -0.0177428491   -0.0177428722
- 0.200000 29    0.4996841545    0.4996841550
- 0.200000 30   -0.0000204703   -0.0000204228
- 0.200000 31    0.0003751962    0.0003751195
- 0.200000 32   -0.0105664877   -0.0105664171
- 0.200000 33    0.0003751962    0.0003751195
- 0.200000 34   -0.0068768928   -0.0068770911
- 0.200000 35    0.1936709464    0.1936709942
- 0.200000 36   -0.0105664877   -0.0105664171
- 0.200000 37    0.1936709464    0.1936709942
- 0.200000 38   -5.4542707589   -5.4542708466
+ 0.000000 0 -0.02978 -0.02978
+ 0.000000 1 0.00193 0.00193
+ 0.000000 2 -0.49911 -0.49911
+ 0.000000 3 -0.02978 -0.02978
+ 0.000000 4 0.00193 0.00193
+ 0.000000 5 -0.49911 -0.49911
+ 0.000000 6 -0.02978 -0.02978
+ 0.000000 7 0.00193 0.00193
+ 0.000000 8 -0.49911 -0.49911
+ 0.000000 9 -0.02978 -0.02978
+ 0.000000 10 0.00193 0.00193
+ 0.000000 11 -0.49911 -0.49911
+ 0.000000 12 -0.02978 -0.02978
+ 0.000000 13 0.00193 0.00193
+ 0.000000 14 -0.49911 -0.49911
+ 0.000000 15 0.02978 0.02978
+ 0.000000 16 -0.00193 -0.00193
+ 0.000000 17 0.49911 0.49911
+ 0.000000 18 0.02978 0.02978
+ 0.000000 19 -0.00193 -0.00193
+ 0.000000 20 0.49911 0.49911
+ 0.000000 21 0.02978 0.02978
+ 0.000000 22 -0.00193 -0.00193
+ 0.000000 23 0.49911 0.49911
+ 0.000000 24 0.02978 0.02978
+ 0.000000 25 -0.00193 -0.00193
+ 0.000000 26 0.49911 0.49911
+ 0.000000 27 0.02978 0.02978
+ 0.000000 28 -0.00193 -0.00193
+ 0.000000 29 0.49911 0.49911
+ 0.000000 30 -0.01944 -0.01944
+ 0.000000 31 0.00126 0.00126
+ 0.000000 32 -0.32591 -0.32591
+ 0.000000 33 0.00126 0.00126
+ 0.000000 34 -0.00008 -0.00008
+ 0.000000 35 0.02108 0.02108
+ 0.000000 36 -0.32591 -0.32591
+ 0.000000 37 0.02108 0.02108
+ 0.000000 38 -5.46249 -5.46249
+ 0.050000 0 -0.02178 -0.02178
+ 0.050000 1 0.00555 0.00555
+ 0.050000 2 -0.49949 -0.49949
+ 0.050000 3 -0.02178 -0.02178
+ 0.050000 4 0.00555 0.00555
+ 0.050000 5 -0.49949 -0.49949
+ 0.050000 6 -0.02178 -0.02178
+ 0.050000 7 0.00555 0.00555
+ 0.050000 8 -0.49949 -0.49949
+ 0.050000 9 -0.02178 -0.02178
+ 0.050000 10 0.00555 0.00555
+ 0.050000 11 -0.49949 -0.49949
+ 0.050000 12 -0.02178 -0.02178
+ 0.050000 13 0.00555 0.00555
+ 0.050000 14 -0.49949 -0.49949
+ 0.050000 15 0.02178 0.02178
+ 0.050000 16 -0.00555 -0.00555
+ 0.050000 17 0.49949 0.49949
+ 0.050000 18 0.02178 0.02178
+ 0.050000 19 -0.00555 -0.00555
+ 0.050000 20 0.49949 0.49949
+ 0.050000 21 0.02178 0.02178
+ 0.050000 22 -0.00555 -0.00555
+ 0.050000 23 0.49949 0.49949
+ 0.050000 24 0.02178 0.02178
+ 0.050000 25 -0.00555 -0.00555
+ 0.050000 26 0.49949 0.49949
+ 0.050000 27 0.02178 0.02178
+ 0.050000 28 -0.00555 -0.00555
+ 0.050000 29 0.49949 0.49949
+ 0.050000 30 -0.01043 -0.01043
+ 0.050000 31 0.00266 0.00266
+ 0.050000 32 -0.23934 -0.23934
+ 0.050000 33 0.00266 0.00266
+ 0.050000 34 -0.00068 -0.00068
+ 0.050000 35 0.06098 0.06098
+ 0.050000 36 -0.23934 -0.23934
+ 0.050000 37 0.06098 0.06098
+ 0.050000 38 -5.48995 -5.48995
+ 0.100000 0 -0.01379 -0.01379
+ 0.100000 1 0.01136 0.01136
+ 0.100000 2 -0.49968 -0.49968
+ 0.100000 3 -0.01379 -0.01379
+ 0.100000 4 0.01136 0.01136
+ 0.100000 5 -0.49968 -0.49968
+ 0.100000 6 -0.01379 -0.01379
+ 0.100000 7 0.01136 0.01136
+ 0.100000 8 -0.49968 -0.49968
+ 0.100000 9 -0.01379 -0.01379
+ 0.100000 10 0.01136 0.01136
+ 0.100000 11 -0.49968 -0.49968
+ 0.100000 12 -0.01379 -0.01379
+ 0.100000 13 0.01136 0.01136
+ 0.100000 14 -0.49968 -0.49968
+ 0.100000 15 0.01379 0.01379
+ 0.100000 16 -0.01136 -0.01136
+ 0.100000 17 0.49968 0.49968
+ 0.100000 18 0.01379 0.01379
+ 0.100000 19 -0.01136 -0.01136
+ 0.100000 20 0.49968 0.49968
+ 0.100000 21 0.01379 0.01379
+ 0.100000 22 -0.01136 -0.01136
+ 0.100000 23 0.49968 0.49968
+ 0.100000 24 0.01379 0.01379
+ 0.100000 25 -0.01136 -0.01136
+ 0.100000 26 0.49968 0.49968
+ 0.100000 27 0.01379 0.01379
+ 0.100000 28 -0.01136 -0.01136
+ 0.100000 29 0.49968 0.49968
+ 0.100000 30 -0.00418 -0.00418
+ 0.100000 31 0.00345 0.00345
+ 0.100000 32 -0.15165 -0.15165
+ 0.100000 33 0.00345 0.00345
+ 0.100000 34 -0.00284 -0.00284
+ 0.100000 35 0.12497 0.12497
+ 0.100000 36 -0.15165 -0.15165
+ 0.100000 37 0.12497 0.12497
+ 0.100000 38 -5.49579 -5.49579
+ 0.150000 0 -0.00581 -0.00581
+ 0.150000 1 0.01672 0.01672
+ 0.150000 2 -0.49969 -0.49969
+ 0.150000 3 -0.00581 -0.00581
+ 0.150000 4 0.01672 0.01672
+ 0.150000 5 -0.49969 -0.49969
+ 0.150000 6 -0.00581 -0.00581
+ 0.150000 7 0.01672 0.01672
+ 0.150000 8 -0.49969 -0.49969
+ 0.150000 9 -0.00581 -0.00581
+ 0.150000 10 0.01672 0.01672
+ 0.150000 11 -0.49969 -0.49969
+ 0.150000 12 -0.00581 -0.00581
+ 0.150000 13 0.01672 0.01672
+ 0.150000 14 -0.49969 -0.49969
+ 0.150000 15 0.00581 0.00581
+ 0.150000 16 -0.01672 -0.01672
+ 0.150000 17 0.49969 0.49969
+ 0.150000 18 0.00581 0.00581
+ 0.150000 19 -0.01672 -0.01672
+ 0.150000 20 0.49969 0.49969
+ 0.150000 21 0.00581 0.00581
+ 0.150000 22 -0.01672 -0.01672
+ 0.150000 23 0.49969 0.49969
+ 0.150000 24 0.00581 0.00581
+ 0.150000 25 -0.01672 -0.01672
+ 0.150000 26 0.49969 0.49969
+ 0.150000 27 0.00581 0.00581
+ 0.150000 28 -0.01672 -0.01672
+ 0.150000 29 0.49969 0.49969
+ 0.150000 30 -0.00074 -0.00074
+ 0.150000 31 0.00213 0.00213
+ 0.150000 32 -0.06377 -0.06377
+ 0.150000 33 0.00213 0.00213
+ 0.150000 34 -0.00614 -0.00614
+ 0.150000 35 0.18343 0.18343
+ 0.150000 36 -0.06377 -0.06377
+ 0.150000 37 0.18343 0.18343
+ 0.150000 38 -5.48166 -5.48166
+ 0.200000 0 -0.00097 -0.00097
+ 0.200000 1 0.01774 0.01774
+ 0.200000 2 -0.49968 -0.49968
+ 0.200000 3 -0.00097 -0.00097
+ 0.200000 4 0.01774 0.01774
+ 0.200000 5 -0.49968 -0.49968
+ 0.200000 6 -0.00097 -0.00097
+ 0.200000 7 0.01774 0.01774
+ 0.200000 8 -0.49968 -0.49968
+ 0.200000 9 -0.00097 -0.00097
+ 0.200000 10 0.01774 0.01774
+ 0.200000 11 -0.49968 -0.49968
+ 0.200000 12 -0.00097 -0.00097
+ 0.200000 13 0.01774 0.01774
+ 0.200000 14 -0.49968 -0.49968
+ 0.200000 15 0.00097 0.00097
+ 0.200000 16 -0.01774 -0.01774
+ 0.200000 17 0.49968 0.49968
+ 0.200000 18 0.00097 0.00097
+ 0.200000 19 -0.01774 -0.01774
+ 0.200000 20 0.49968 0.49968
+ 0.200000 21 0.00097 0.00097
+ 0.200000 22 -0.01774 -0.01774
+ 0.200000 23 0.49968 0.49968
+ 0.200000 24 0.00097 0.00097
+ 0.200000 25 -0.01774 -0.01774
+ 0.200000 26 0.49968 0.49968
+ 0.200000 27 0.00097 0.00097
+ 0.200000 28 -0.01774 -0.01774
+ 0.200000 29 0.49968 0.49968
+ 0.200000 30 -0.00002 -0.00002
+ 0.200000 31 0.00038 0.00038
+ 0.200000 32 -0.01057 -0.01057
+ 0.200000 33 0.00038 0.00038
+ 0.200000 34 -0.00688 -0.00688
+ 0.200000 35 0.19367 0.19367
+ 0.200000 36 -0.01057 -0.01057
+ 0.200000 37 0.19367 0.19367
+ 0.200000 38 -5.45427 -5.45427
diff --git a/regtest/basic/rt16/mu1corr.reference b/regtest/basic/rt16/mu1corr.reference
index e15b5e910..883936afd 100644
--- a/regtest/basic/rt16/mu1corr.reference
+++ b/regtest/basic/rt16/mu1corr.reference
@@ -1,136 +1,136 @@
 #! FIELDS time parameter mu1corr mu1corrn
- 0.000000 0   -0.0443748185   -0.0443748087
- 0.000000 1    0.0271528945    0.0271528959
- 0.000000 2   -0.1583394252   -0.1583394259
- 0.000000 3   -0.0443748185   -0.0443748087
- 0.000000 4    0.0271528945    0.0271528959
- 0.000000 5   -0.1583394252   -0.1583394259
- 0.000000 6   -0.0443748185   -0.0443748087
- 0.000000 7    0.0271528945    0.0271528959
- 0.000000 8   -0.1583394252   -0.1583394259
- 0.000000 9   -0.0443748185   -0.0443748087
- 0.000000 10    0.0271528945    0.0271528959
- 0.000000 11   -0.1583394252   -0.1583394259
- 0.000000 12   -0.0443748185   -0.0443748236
- 0.000000 13    0.0271528945    0.0271528959
- 0.000000 14   -0.1583394252   -0.1583394259
- 0.000000 15    0.2218740927    0.2218741030
- 0.000000 16   -0.1357644725   -0.1357644647
- 0.000000 17    0.7916971261    0.7916971445
- 0.000000 18   -0.1136212553   -0.1136212697
- 0.000000 19    0.0695247002    0.0695246787
- 0.000000 20   -0.4054264298   -0.4054266385
- 0.000000 21    0.0695247002    0.0695246787
- 0.000000 22   -0.0425420748   -0.0425420524
- 0.000000 23    0.2480799119    0.2480798429
- 0.000000 24   -0.4054264298   -0.4054264133
- 0.000000 25    0.2480799119    0.2480798429
- 0.000000 26   -1.4466535292   -1.4466536067
- 0.050000 0   -0.0439293839   -0.0439293832
- 0.050000 1    0.0252019973    0.0252019912
- 0.050000 2   -0.1587855357   -0.1587855518
- 0.050000 3   -0.0439293839   -0.0439293832
- 0.050000 4    0.0252019973    0.0252019912
- 0.050000 5   -0.1587855357   -0.1587855518
- 0.050000 6   -0.0439293839   -0.0439293832
- 0.050000 7    0.0252019973    0.0252019912
- 0.050000 8   -0.1587855357   -0.1587855518
- 0.050000 9   -0.0439293839   -0.0439293832
- 0.050000 10    0.0252019973    0.0252019912
- 0.050000 11   -0.1587855357   -0.1587855518
- 0.050000 12   -0.0439293839   -0.0439293832
- 0.050000 13    0.0252019973    0.0252019912
- 0.050000 14   -0.1587855357   -0.1587855518
- 0.050000 15    0.2196469193    0.2196469158
- 0.050000 16   -0.1260099865   -0.1260099858
- 0.050000 17    0.7939276784    0.7939276844
- 0.050000 18   -0.1110375735   -0.1110375551
- 0.050000 19    0.0637015223    0.0637015414
- 0.050000 20   -0.4013523304   -0.4013522819
- 0.050000 21    0.0637015223    0.0637015414
- 0.050000 22   -0.0365451425   -0.0365450956
- 0.050000 23    0.2302531804    0.2302532564
- 0.050000 24   -0.4013523304   -0.4013522819
- 0.050000 25    0.2302531804    0.2302531813
- 0.050000 26   -1.4507133763   -1.4507133970
- 0.100000 0   -0.0436353351   -0.0436353236
- 0.100000 1    0.0232393502    0.0232393593
- 0.100000 2   -0.1591655362   -0.1591655314
- 0.100000 3   -0.0436353351   -0.0436353236
- 0.100000 4    0.0232393502    0.0232393593
- 0.100000 5   -0.1591655362   -0.1591655314
- 0.100000 6   -0.0436353351   -0.0436353236
- 0.100000 7    0.0232393502    0.0232393593
- 0.100000 8   -0.1591655362   -0.1591655314
- 0.100000 9   -0.0436353351   -0.0436353236
- 0.100000 10    0.0232393502    0.0232393593
- 0.100000 11   -0.1591655362   -0.1591655314
- 0.100000 12   -0.0436353351   -0.0436353236
- 0.100000 13    0.0232393502    0.0232393593
- 0.100000 14   -0.1591655362   -0.1591655314
- 0.100000 15    0.2181766757    0.2181766927
- 0.100000 16   -0.1161967508   -0.1161967367
- 0.100000 17    0.7958276809    0.7958277017
- 0.100000 18   -0.1098501507   -0.1098501772
- 0.100000 19    0.0585041024    0.0585040787
- 0.100000 20   -0.4006926515   -0.4006927443
- 0.100000 21    0.0585041024    0.0585040787
- 0.100000 22   -0.0311581730   -0.0311581961
- 0.100000 23    0.2134012905    0.2134011847
- 0.100000 24   -0.4006926515   -0.4006927443
- 0.100000 25    0.2134012905    0.2134012598
- 0.100000 26   -1.4615783403   -1.4615784981
- 0.150000 0   -0.0434433838   -0.0434433818
- 0.150000 1    0.0210643465    0.0210643411
- 0.150000 2   -0.1595203545   -0.1595203578
- 0.150000 3   -0.0434433838   -0.0434433818
- 0.150000 4    0.0210643465    0.0210643411
- 0.150000 5   -0.1595203545   -0.1595203578
- 0.150000 6   -0.0434433838   -0.0434433818
- 0.150000 7    0.0210643465    0.0210643411
- 0.150000 8   -0.1595203545   -0.1595203578
- 0.150000 9   -0.0434433838   -0.0434433818
- 0.150000 10    0.0210643465    0.0210643411
- 0.150000 11   -0.1595203545   -0.1595203578
- 0.150000 12   -0.0434433838   -0.0434433818
- 0.150000 13    0.0210643465    0.0210643411
- 0.150000 14   -0.1595203545   -0.1595203578
- 0.150000 15    0.2172169189    0.2172169238
- 0.150000 16   -0.1053217323   -0.1053217202
- 0.150000 17    0.7976017724    0.7976017892
- 0.150000 18   -0.1098105015   -0.1098106080
- 0.150000 19    0.0532436990    0.0532435455
- 0.150000 20   -0.4032146808   -0.4032148149
- 0.150000 21    0.0532436990    0.0532435455
- 0.150000 22   -0.0258162147   -0.0258163470
- 0.150000 23    0.1955062657    0.1955061966
- 0.150000 24   -0.4032146808   -0.4032148149
- 0.150000 25    0.1955062657    0.1955061215
- 0.150000 26   -1.4805694952   -1.4805697122
- 0.200000 0   -0.0438619387   -0.0438619554
- 0.200000 1    0.0178203133    0.0178203136
- 0.200000 2   -0.1598009529   -0.1598009616
- 0.200000 3   -0.0438619387   -0.0438619554
- 0.200000 4    0.0178203133    0.0178203136
- 0.200000 5   -0.1598009529   -0.1598009616
- 0.200000 6   -0.0438619387   -0.0438619554
- 0.200000 7    0.0178203133    0.0178203136
- 0.200000 8   -0.1598009529   -0.1598009616
- 0.200000 9   -0.0438619387   -0.0438619554
- 0.200000 10    0.0178203133    0.0178203136
- 0.200000 11   -0.1598009529   -0.1598009616
- 0.200000 12   -0.0438619387   -0.0438619405
- 0.200000 13    0.0178203133    0.0178203136
- 0.200000 14   -0.1598009529   -0.1598009616
- 0.200000 15    0.2193096937    0.2193096876
- 0.200000 16   -0.0891015663   -0.0891015679
- 0.200000 17    0.7990047644    0.7990047336
- 0.200000 18   -0.1124450359   -0.1124450042
- 0.200000 19    0.0456843866    0.0456843917
- 0.200000 20   -0.4096677988   -0.4096676816
- 0.200000 21    0.0456843866    0.0456843917
- 0.200000 22   -0.0185607409   -0.0185607576
- 0.200000 23    0.1664406253    0.1664408160
- 0.200000 24   -0.4096677988   -0.4096677567
- 0.200000 25    0.1664406253    0.1664406658
- 0.200000 26   -1.4925310304   -1.4925308140
+ 0.000000 0 -0.04437 -0.04437
+ 0.000000 1 0.02715 0.02715
+ 0.000000 2 -0.15834 -0.15834
+ 0.000000 3 -0.04437 -0.04437
+ 0.000000 4 0.02715 0.02715
+ 0.000000 5 -0.15834 -0.15834
+ 0.000000 6 -0.04437 -0.04437
+ 0.000000 7 0.02715 0.02715
+ 0.000000 8 -0.15834 -0.15834
+ 0.000000 9 -0.04437 -0.04437
+ 0.000000 10 0.02715 0.02715
+ 0.000000 11 -0.15834 -0.15834
+ 0.000000 12 -0.04437 -0.04437
+ 0.000000 13 0.02715 0.02715
+ 0.000000 14 -0.15834 -0.15834
+ 0.000000 15 0.22187 0.22187
+ 0.000000 16 -0.13576 -0.13576
+ 0.000000 17 0.79170 0.79170
+ 0.000000 18 -0.11362 -0.11362
+ 0.000000 19 0.06952 0.06952
+ 0.000000 20 -0.40543 -0.40543
+ 0.000000 21 0.06952 0.06952
+ 0.000000 22 -0.04254 -0.04254
+ 0.000000 23 0.24808 0.24808
+ 0.000000 24 -0.40543 -0.40543
+ 0.000000 25 0.24808 0.24808
+ 0.000000 26 -1.44665 -1.44665
+ 0.050000 0 -0.04393 -0.04393
+ 0.050000 1 0.02520 0.02520
+ 0.050000 2 -0.15879 -0.15879
+ 0.050000 3 -0.04393 -0.04393
+ 0.050000 4 0.02520 0.02520
+ 0.050000 5 -0.15879 -0.15879
+ 0.050000 6 -0.04393 -0.04393
+ 0.050000 7 0.02520 0.02520
+ 0.050000 8 -0.15879 -0.15879
+ 0.050000 9 -0.04393 -0.04393
+ 0.050000 10 0.02520 0.02520
+ 0.050000 11 -0.15879 -0.15879
+ 0.050000 12 -0.04393 -0.04393
+ 0.050000 13 0.02520 0.02520
+ 0.050000 14 -0.15879 -0.15879
+ 0.050000 15 0.21965 0.21965
+ 0.050000 16 -0.12601 -0.12601
+ 0.050000 17 0.79393 0.79393
+ 0.050000 18 -0.11104 -0.11104
+ 0.050000 19 0.06370 0.06370
+ 0.050000 20 -0.40135 -0.40135
+ 0.050000 21 0.06370 0.06370
+ 0.050000 22 -0.03655 -0.03655
+ 0.050000 23 0.23025 0.23025
+ 0.050000 24 -0.40135 -0.40135
+ 0.050000 25 0.23025 0.23025
+ 0.050000 26 -1.45071 -1.45071
+ 0.100000 0 -0.04364 -0.04364
+ 0.100000 1 0.02324 0.02324
+ 0.100000 2 -0.15917 -0.15917
+ 0.100000 3 -0.04364 -0.04364
+ 0.100000 4 0.02324 0.02324
+ 0.100000 5 -0.15917 -0.15917
+ 0.100000 6 -0.04364 -0.04364
+ 0.100000 7 0.02324 0.02324
+ 0.100000 8 -0.15917 -0.15917
+ 0.100000 9 -0.04364 -0.04364
+ 0.100000 10 0.02324 0.02324
+ 0.100000 11 -0.15917 -0.15917
+ 0.100000 12 -0.04364 -0.04364
+ 0.100000 13 0.02324 0.02324
+ 0.100000 14 -0.15917 -0.15917
+ 0.100000 15 0.21818 0.21818
+ 0.100000 16 -0.11620 -0.11620
+ 0.100000 17 0.79583 0.79583
+ 0.100000 18 -0.10985 -0.10985
+ 0.100000 19 0.05850 0.05850
+ 0.100000 20 -0.40069 -0.40069
+ 0.100000 21 0.05850 0.05850
+ 0.100000 22 -0.03116 -0.03116
+ 0.100000 23 0.21340 0.21340
+ 0.100000 24 -0.40069 -0.40069
+ 0.100000 25 0.21340 0.21340
+ 0.100000 26 -1.46158 -1.46158
+ 0.150000 0 -0.04344 -0.04344
+ 0.150000 1 0.02106 0.02106
+ 0.150000 2 -0.15952 -0.15952
+ 0.150000 3 -0.04344 -0.04344
+ 0.150000 4 0.02106 0.02106
+ 0.150000 5 -0.15952 -0.15952
+ 0.150000 6 -0.04344 -0.04344
+ 0.150000 7 0.02106 0.02106
+ 0.150000 8 -0.15952 -0.15952
+ 0.150000 9 -0.04344 -0.04344
+ 0.150000 10 0.02106 0.02106
+ 0.150000 11 -0.15952 -0.15952
+ 0.150000 12 -0.04344 -0.04344
+ 0.150000 13 0.02106 0.02106
+ 0.150000 14 -0.15952 -0.15952
+ 0.150000 15 0.21722 0.21722
+ 0.150000 16 -0.10532 -0.10532
+ 0.150000 17 0.79760 0.79760
+ 0.150000 18 -0.10981 -0.10981
+ 0.150000 19 0.05324 0.05324
+ 0.150000 20 -0.40321 -0.40321
+ 0.150000 21 0.05324 0.05324
+ 0.150000 22 -0.02582 -0.02582
+ 0.150000 23 0.19551 0.19551
+ 0.150000 24 -0.40321 -0.40321
+ 0.150000 25 0.19551 0.19551
+ 0.150000 26 -1.48057 -1.48057
+ 0.200000 0 -0.04386 -0.04386
+ 0.200000 1 0.01782 0.01782
+ 0.200000 2 -0.15980 -0.15980
+ 0.200000 3 -0.04386 -0.04386
+ 0.200000 4 0.01782 0.01782
+ 0.200000 5 -0.15980 -0.15980
+ 0.200000 6 -0.04386 -0.04386
+ 0.200000 7 0.01782 0.01782
+ 0.200000 8 -0.15980 -0.15980
+ 0.200000 9 -0.04386 -0.04386
+ 0.200000 10 0.01782 0.01782
+ 0.200000 11 -0.15980 -0.15980
+ 0.200000 12 -0.04386 -0.04386
+ 0.200000 13 0.01782 0.01782
+ 0.200000 14 -0.15980 -0.15980
+ 0.200000 15 0.21931 0.21931
+ 0.200000 16 -0.08910 -0.08910
+ 0.200000 17 0.79900 0.79900
+ 0.200000 18 -0.11245 -0.11245
+ 0.200000 19 0.04568 0.04568
+ 0.200000 20 -0.40967 -0.40967
+ 0.200000 21 0.04568 0.04568
+ 0.200000 22 -0.01856 -0.01856
+ 0.200000 23 0.16644 0.16644
+ 0.200000 24 -0.40967 -0.40967
+ 0.200000 25 0.16644 0.16644
+ 0.200000 26 -1.49253 -1.49253
diff --git a/regtest/basic/rt16/plumed.dat b/regtest/basic/rt16/plumed.dat
index 2d4fd9f0e..fe96828cc 100644
--- a/regtest/basic/rt16/plumed.dat
+++ b/regtest/basic/rt16/plumed.dat
@@ -6,8 +6,8 @@ mu1n: DIPOLE GROUP=1-10 NUMERICAL_DERIVATIVES
 mu1corr: DIPOLE GROUP=1-6
 mu1corrn: DIPOLE GROUP=1-6 NUMERICAL_DERIVATIVES
 
-DUMPDERIVATIVES FILE=mu1 ARG=mu1,mu1n
-DUMPDERIVATIVES FILE=mu1corr ARG=mu1corr,mu1corrn
+DUMPDERIVATIVES FILE=mu1 ARG=mu1,mu1n FMT=%6.5f
+DUMPDERIVATIVES FILE=mu1corr ARG=mu1corr,mu1corrn FMT=%6.5f
 
 # here I explicitly code the calculation of the dipole
 # in alternative manners, as a test
diff --git a/regtest/multicolvar/rt21/derivatives.reference b/regtest/multicolvar/rt21/derivatives.reference
index c13926518..9cc6d12f2 100644
--- a/regtest/multicolvar/rt21/derivatives.reference
+++ b/regtest/multicolvar/rt21/derivatives.reference
@@ -1,106 +1,106 @@
-#! FIELDS time parameter d1.mean d1.min d1.morethan d1n.mean d1n.min d1n.morethan
- 0.000000 0 -0.37498 -0.04928 -0.56588 -0.37498 -0.04928 -0.56587
- 0.000000 1  0.00484  0.00064  0.00730  0.00484  0.00064  0.00730
- 0.000000 2 -0.33071 -0.04346 -0.49907 -0.33071 -0.04346 -0.49907
- 0.000000 3  0.37498  0.04928  0.56588  0.37498  0.04928  0.56587
- 0.000000 4 -0.00484 -0.00064 -0.00730 -0.00484 -0.00064 -0.00730
- 0.000000 5  0.33071  0.04346  0.49907  0.33071  0.04346  0.49907
- 0.000000 6 -0.01565 -0.02886 -0.03069 -0.01565 -0.02886 -0.03069
- 0.000000 7 -0.35865 -0.66136 -0.70316 -0.35865 -0.66136 -0.70316
- 0.000000 8  0.34803  0.64177  0.68234  0.34803  0.64177  0.68233
- 0.000000 9  0.01565  0.02886  0.03069  0.01565  0.02886  0.03069
- 0.000000 10  0.35865  0.66136  0.70316  0.35865  0.66135  0.70316
- 0.000000 11 -0.34803 -0.64177 -0.68234 -0.34803 -0.64177 -0.68233
- 0.000000 12 -0.35565 -0.04773 -0.53696 -0.35565 -0.04773 -0.53696
- 0.000000 13 -0.00875 -0.02398 -0.01922 -0.00875 -0.02398 -0.01922
- 0.000000 14 -0.30021 -0.01730 -0.44720 -0.30021 -0.01730 -0.44720
- 0.000000 15 -0.00875 -0.02398 -0.01922 -0.00875 -0.02398 -0.01922
- 0.000000 16 -0.30546 -0.56316 -0.59884 -0.30546 -0.56316 -0.59884
- 0.000000 17  0.30039  0.54701  0.58711  0.30039  0.54701  0.58711
- 0.000000 18 -0.30021 -0.01730 -0.44720 -0.30021 -0.01730 -0.44720
- 0.000000 19  0.30039  0.54701  0.58711  0.30039  0.54701  0.58711
- 0.000000 20 -0.56375 -0.56658 -0.98058 -0.56375 -0.56658 -0.98058
- 0.050000 0 -0.38906 -0.00378 -0.47733 -0.38906 -0.00378 -0.47733
- 0.050000 1  0.00299  0.00003  0.00366  0.00299  0.00003  0.00366
- 0.050000 2 -0.31405 -0.00305 -0.38531 -0.31405 -0.00305 -0.38531
- 0.050000 3  0.38906  0.00378  0.47733  0.38906  0.00378  0.47733
- 0.050000 4 -0.00299 -0.00003 -0.00366 -0.00299 -0.00003 -0.00366
- 0.050000 5  0.31405  0.00305  0.38531  0.31405  0.00305  0.38531
- 0.050000 6 -0.01897 -0.03769 -0.04020 -0.01897 -0.03769 -0.04020
- 0.050000 7 -0.35631 -0.70797 -0.75524 -0.35631 -0.70797 -0.75524
- 0.050000 8  0.35026  0.69595  0.74242  0.35026  0.69595  0.74242
- 0.050000 9  0.01897  0.03769  0.04020  0.01897  0.03769  0.04020
- 0.050000 10  0.35631  0.70797  0.75524  0.35631  0.70797  0.75524
- 0.050000 11 -0.35026 -0.69595 -0.74242 -0.35026 -0.69595 -0.74242
- 0.050000 12 -0.39971 -0.00553 -0.49115 -0.39971 -0.00553 -0.49115
- 0.050000 13 -0.01265 -0.03118 -0.02954 -0.01265 -0.03118 -0.02954
- 0.050000 14 -0.30653  0.02756 -0.36230 -0.30653  0.02756 -0.36230
- 0.050000 15 -0.01265 -0.03118 -0.02954 -0.01265 -0.03118 -0.02954
- 0.050000 16 -0.29515 -0.58639 -0.62557 -0.29515 -0.58639 -0.62557
- 0.050000 17  0.29258  0.57646  0.61795  0.29258  0.57646  0.61795
- 0.050000 18 -0.30653  0.02756 -0.36230 -0.30653  0.02756 -0.36230
- 0.050000 19  0.29258  0.57646  0.61795  0.29258  0.57646  0.61795
- 0.050000 20 -0.54508 -0.56917 -0.92335 -0.54508 -0.56917 -0.92335
- 0.100000 0 -0.39598 -0.00002 -0.36067 -0.39598 -0.00002 -0.36067
- 0.100000 1  0.00311  0.00000  0.00283  0.00311  0.00000  0.00283
- 0.100000 2 -0.30527 -0.00001 -0.27805 -0.30527 -0.00001 -0.27805
- 0.100000 3  0.39598  0.00002  0.36067  0.39598  0.00002  0.36067
- 0.100000 4 -0.00311 -0.00000 -0.00283 -0.00311 -0.00000 -0.00283
- 0.100000 5  0.30527  0.00001  0.27805  0.30527  0.00001  0.27805
- 0.100000 6  0.00145  0.00291  0.00377  0.00145  0.00291  0.00377
- 0.100000 7 -0.33619 -0.67236 -0.87240 -0.33619 -0.67235 -0.87240
- 0.100000 8  0.37010  0.74017  0.96039  0.37010  0.74017  0.96039
- 0.100000 9 -0.00145 -0.00291 -0.00377 -0.00145 -0.00291 -0.00377
- 0.100000 10  0.33619  0.67236  0.87240  0.33619  0.67236  0.87240
- 0.100000 11 -0.37010 -0.74017 -0.96039 -0.37010 -0.74016 -0.96038
- 0.100000 12 -0.43697 -0.00003 -0.39801 -0.43697 -0.00003 -0.39801
- 0.100000 13  0.00449  0.00213  0.00588  0.00449  0.00213  0.00588
- 0.100000 14 -0.33804 -0.00236 -0.30986 -0.33804 -0.00236 -0.30986
- 0.100000 15  0.00449  0.00213  0.00588  0.00449  0.00213  0.00588
- 0.100000 16 -0.24571 -0.49134 -0.63755 -0.24571 -0.49134 -0.63755
- 0.100000 17  0.27310  0.54089  0.70423  0.27310  0.54089  0.70423
- 0.100000 18 -0.33804 -0.00236 -0.30986 -0.33804 -0.00236 -0.30986
- 0.100000 19  0.27310  0.54089  0.70423  0.27310  0.54089  0.70423
- 0.100000 20 -0.55744 -0.59546 -1.00915 -0.55744 -0.59546 -1.00915
- 0.150000 0 -0.40009 -0.00000 -0.26209 -0.40009 -0.00000 -0.26209
- 0.150000 1 -0.00169 -0.00000 -0.00110 -0.00169  0.00000 -0.00110
- 0.150000 2 -0.29988 -0.00000 -0.19645 -0.29988 -0.00000 -0.19645
- 0.150000 3  0.40009  0.00000  0.26209  0.40009  0.00000  0.26209
- 0.150000 4  0.00169  0.00000  0.00110  0.00169  0.00000  0.00110
- 0.150000 5  0.29988  0.00000  0.19645  0.29988  0.00000  0.19645
- 0.150000 6  0.02395  0.04789  0.06759  0.02395  0.04789  0.06759
- 0.150000 7 -0.30188 -0.60377 -0.85211 -0.30188 -0.60376 -0.85211
- 0.150000 8  0.39786  0.79572  1.12303  0.39786  0.79572  1.12302
- 0.150000 9 -0.02395 -0.04789 -0.06759 -0.02395 -0.04789 -0.06759
- 0.150000 10  0.30188  0.60377  0.85211  0.30188  0.60376  0.85211
- 0.150000 11 -0.39786 -0.79572 -1.12303 -0.39786 -0.79572 -1.12303
- 0.150000 12 -0.47356 -0.00240 -0.31282 -0.47356 -0.00240 -0.31282
- 0.150000 13  0.01311  0.03021  0.04133  0.01311  0.03021  0.04133
- 0.150000 14 -0.37396 -0.03981 -0.28812 -0.37396 -0.03981 -0.28812
- 0.150000 15  0.01311  0.03021  0.04133  0.01311  0.03021  0.04133
- 0.150000 16 -0.19043 -0.38084 -0.53749 -0.19043 -0.38084 -0.53749
- 0.150000 17  0.24947  0.50192  0.70739  0.24947  0.50192  0.70739
- 0.150000 18 -0.37396 -0.03981 -0.28812 -0.37396 -0.03981 -0.28812
- 0.150000 19  0.24947  0.50192  0.70739  0.24947  0.50192  0.70739
- 0.150000 20 -0.59612 -0.66149 -1.10743 -0.59612 -0.66149 -1.10743
- 0.200000 0 -0.40762 -0.00000 -0.25110 -0.40762 -0.00000 -0.25110
- 0.200000 1 -0.00116 -0.00000 -0.00071 -0.00116  0.00000 -0.00071
- 0.200000 2 -0.28957 -0.00000 -0.17838 -0.28956 -0.00000 -0.17838
- 0.200000 3  0.40762  0.00000  0.25110  0.40762  0.00000  0.25110
- 0.200000 4  0.00116  0.00000  0.00071  0.00116  0.00000  0.00071
- 0.200000 5  0.28957  0.00000  0.17838  0.28957  0.00000  0.17838
- 0.200000 6  0.03588  0.07176  0.09319  0.03588  0.07176  0.09319
- 0.200000 7 -0.28517 -0.57035 -0.74070 -0.28517 -0.57035 -0.74070
- 0.200000 8  0.40913  0.81826  1.06266  0.40913  0.81826  1.06267
- 0.200000 9 -0.03588 -0.07176 -0.09319 -0.03588 -0.07176 -0.09319
- 0.200000 10  0.28517  0.57035  0.74070  0.28517  0.57035  0.74070
- 0.200000 11 -0.40913 -0.81826 -1.06266 -0.40913 -0.81826 -1.06266
- 0.200000 12 -0.49818 -0.00560 -0.31243 -0.49818 -0.00560 -0.31243
- 0.200000 13  0.02082  0.04447  0.05688  0.02082  0.04447  0.05688
- 0.200000 14 -0.38381 -0.06380 -0.29964 -0.38381 -0.06380 -0.29964
- 0.200000 15  0.02082  0.04447  0.05688  0.02082  0.04447  0.05688
- 0.200000 16 -0.17671 -0.35341 -0.45897 -0.17671 -0.35341 -0.45897
- 0.200000 17  0.25252  0.50703  0.65786  0.25252  0.50703  0.65786
- 0.200000 18 -0.38381 -0.06380 -0.29964 -0.38381 -0.06380 -0.29964
- 0.200000 19  0.25252  0.50703  0.65786  0.25252  0.50703  0.65786
- 0.200000 20 -0.61370 -0.72742 -1.09869 -0.61370 -0.72742 -1.09869
+#! FIELDS time parameter d1.mean d1.min d1.morethan
+ 0.000000 0 -0.37498 -0.04928 -0.56588
+ 0.000000 1  0.00484  0.00064  0.00730
+ 0.000000 2 -0.33071 -0.04346 -0.49907
+ 0.000000 3  0.37498  0.04928  0.56588
+ 0.000000 4 -0.00484 -0.00064 -0.00730
+ 0.000000 5  0.33071  0.04346  0.49907
+ 0.000000 6 -0.01565 -0.02886 -0.03069
+ 0.000000 7 -0.35865 -0.66136 -0.70316
+ 0.000000 8  0.34803  0.64177  0.68234
+ 0.000000 9  0.01565  0.02886  0.03069
+ 0.000000 10  0.35865  0.66136  0.70316
+ 0.000000 11 -0.34803 -0.64177 -0.68234
+ 0.000000 12 -0.35565 -0.04773 -0.53696
+ 0.000000 13 -0.00875 -0.02398 -0.01922
+ 0.000000 14 -0.30021 -0.01730 -0.44720
+ 0.000000 15 -0.00875 -0.02398 -0.01922
+ 0.000000 16 -0.30546 -0.56316 -0.59884
+ 0.000000 17  0.30039  0.54701  0.58711
+ 0.000000 18 -0.30021 -0.01730 -0.44720
+ 0.000000 19  0.30039  0.54701  0.58711
+ 0.000000 20 -0.56375 -0.56658 -0.98058
+ 0.050000 0 -0.38906 -0.00378 -0.47733
+ 0.050000 1  0.00299  0.00003  0.00366
+ 0.050000 2 -0.31405 -0.00305 -0.38531
+ 0.050000 3  0.38906  0.00378  0.47733
+ 0.050000 4 -0.00299 -0.00003 -0.00366
+ 0.050000 5  0.31405  0.00305  0.38531
+ 0.050000 6 -0.01897 -0.03769 -0.04020
+ 0.050000 7 -0.35631 -0.70797 -0.75524
+ 0.050000 8  0.35026  0.69595  0.74242
+ 0.050000 9  0.01897  0.03769  0.04020
+ 0.050000 10  0.35631  0.70797  0.75524
+ 0.050000 11 -0.35026 -0.69595 -0.74242
+ 0.050000 12 -0.39971 -0.00553 -0.49115
+ 0.050000 13 -0.01265 -0.03118 -0.02954
+ 0.050000 14 -0.30653  0.02756 -0.36230
+ 0.050000 15 -0.01265 -0.03118 -0.02954
+ 0.050000 16 -0.29515 -0.58639 -0.62557
+ 0.050000 17  0.29258  0.57646  0.61795
+ 0.050000 18 -0.30653  0.02756 -0.36230
+ 0.050000 19  0.29258  0.57646  0.61795
+ 0.050000 20 -0.54508 -0.56917 -0.92335
+ 0.100000 0 -0.39598 -0.00002 -0.36067
+ 0.100000 1  0.00311  0.00000  0.00283
+ 0.100000 2 -0.30527 -0.00001 -0.27805
+ 0.100000 3  0.39598  0.00002  0.36067
+ 0.100000 4 -0.00311 -0.00000 -0.00283
+ 0.100000 5  0.30527  0.00001  0.27805
+ 0.100000 6  0.00145  0.00291  0.00377
+ 0.100000 7 -0.33619 -0.67236 -0.87240
+ 0.100000 8  0.37010  0.74017  0.96039
+ 0.100000 9 -0.00145 -0.00291 -0.00377
+ 0.100000 10  0.33619  0.67236  0.87240
+ 0.100000 11 -0.37010 -0.74017 -0.96039
+ 0.100000 12 -0.43697 -0.00003 -0.39801
+ 0.100000 13  0.00449  0.00213  0.00588
+ 0.100000 14 -0.33804 -0.00236 -0.30986
+ 0.100000 15  0.00449  0.00213  0.00588
+ 0.100000 16 -0.24571 -0.49134 -0.63755
+ 0.100000 17  0.27310  0.54089  0.70423
+ 0.100000 18 -0.33804 -0.00236 -0.30986
+ 0.100000 19  0.27310  0.54089  0.70423
+ 0.100000 20 -0.55744 -0.59546 -1.00915
+ 0.150000 0 -0.40009 -0.00000 -0.26209
+ 0.150000 1 -0.00169 -0.00000 -0.00110
+ 0.150000 2 -0.29988 -0.00000 -0.19645
+ 0.150000 3  0.40009  0.00000  0.26209
+ 0.150000 4  0.00169  0.00000  0.00110
+ 0.150000 5  0.29988  0.00000  0.19645
+ 0.150000 6  0.02395  0.04789  0.06759
+ 0.150000 7 -0.30188 -0.60377 -0.85211
+ 0.150000 8  0.39786  0.79572  1.12303
+ 0.150000 9 -0.02395 -0.04789 -0.06759
+ 0.150000 10  0.30188  0.60377  0.85211
+ 0.150000 11 -0.39786 -0.79572 -1.12303
+ 0.150000 12 -0.47356 -0.00240 -0.31282
+ 0.150000 13  0.01311  0.03021  0.04133
+ 0.150000 14 -0.37396 -0.03981 -0.28812
+ 0.150000 15  0.01311  0.03021  0.04133
+ 0.150000 16 -0.19043 -0.38084 -0.53749
+ 0.150000 17  0.24947  0.50192  0.70739
+ 0.150000 18 -0.37396 -0.03981 -0.28812
+ 0.150000 19  0.24947  0.50192  0.70739
+ 0.150000 20 -0.59612 -0.66149 -1.10743
+ 0.200000 0 -0.40762 -0.00000 -0.25110
+ 0.200000 1 -0.00116 -0.00000 -0.00071
+ 0.200000 2 -0.28957 -0.00000 -0.17838
+ 0.200000 3  0.40762  0.00000  0.25110
+ 0.200000 4  0.00116  0.00000  0.00071
+ 0.200000 5  0.28957  0.00000  0.17838
+ 0.200000 6  0.03588  0.07176  0.09319
+ 0.200000 7 -0.28517 -0.57035 -0.74070
+ 0.200000 8  0.40913  0.81826  1.06266
+ 0.200000 9 -0.03588 -0.07176 -0.09319
+ 0.200000 10  0.28517  0.57035  0.74070
+ 0.200000 11 -0.40913 -0.81826 -1.06266
+ 0.200000 12 -0.49818 -0.00560 -0.31243
+ 0.200000 13  0.02082  0.04447  0.05688
+ 0.200000 14 -0.38381 -0.06380 -0.29964
+ 0.200000 15  0.02082  0.04447  0.05688
+ 0.200000 16 -0.17671 -0.35341 -0.45897
+ 0.200000 17  0.25252  0.50703  0.65786
+ 0.200000 18 -0.38381 -0.06380 -0.29964
+ 0.200000 19  0.25252  0.50703  0.65786
+ 0.200000 20 -0.61370 -0.72742 -1.09869
diff --git a/regtest/multicolvar/rt21/plumed.dat b/regtest/multicolvar/rt21/plumed.dat
index 9fb380dd6..fc03b4a3e 100644
--- a/regtest/multicolvar/rt21/plumed.dat
+++ b/regtest/multicolvar/rt21/plumed.dat
@@ -1,3 +1,3 @@
 DISTANCES ATOMS1=1,2 ATOMS2=5,4 MIN={BETA=50} MEAN MORE_THAN={RATIONAL R_0=1} LABEL=d1
 DISTANCES ATOMS1=1,2 ATOMS2=5,4 MIN={BETA=50} MEAN MORE_THAN={RATIONAL R_0=1} NUMERICAL_DERIVATIVES LABEL=d1n 
-DUMPDERIVATIVES ARG=d1.*,d1n.* FILE=derivatives FMT=%8.5f
+DUMPDERIVATIVES ARG=d1.* FILE=derivatives FMT=%8.5f
-- 
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