From df8031309e6dc1526058436651e964a6e4c0c6c9 Mon Sep 17 00:00:00 2001
From: Delaigue Olivier <olivier.delaigue@irstea.priv>
Date: Wed, 3 Apr 2019 15:38:36 +0200
Subject: [PATCH] v1.2.13.14 CLEAN: tabulation removed and variable statements
 fixed in Fortran files

---
 DESCRIPTION          |   2 +-
 NEWS.rmd             |   8 ++-
 src/frun_CEMANEIGE.f |   6 +--
 src/frun_GR1A.f      |   2 +-
 src/frun_GR2M.f      |  38 +++++++-------
 src/frun_GR4H.f      |  74 +++++++++++++-------------
 src/frun_GR4J.f      |  56 ++++++++++----------
 src/frun_GR5J.f      |  90 ++++++++++++++++----------------
 src/frun_GR6J.f      | 120 +++++++++++++++++++++----------------------
 9 files changed, 200 insertions(+), 196 deletions(-)

diff --git a/DESCRIPTION b/DESCRIPTION
index 2e89f160..fabdb875 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,7 +1,7 @@
 Package: airGR
 Type: Package
 Title: Suite of GR Hydrological Models for Precipitation-Runoff Modelling
-Version: 1.2.13.13
+Version: 1.2.13.14
 Date: 2019-04-03
 Authors@R: c(
   person("Laurent", "Coron", role = c("aut", "trl"), comment = c(ORCID = "0000-0002-1503-6204")),
diff --git a/NEWS.rmd b/NEWS.rmd
index 80dcd671..74919746 100644
--- a/NEWS.rmd
+++ b/NEWS.rmd
@@ -13,8 +13,7 @@ output:
 
 
 
-### 1.2.13.13 Release Notes (2019-04-03)
-
+### 1.2.13.14 Release Notes (2019-04-03)
 
 
 #### Deprecated and defunct
@@ -96,6 +95,11 @@ output:
 
 - The order of authors has been updated in the DESCRIPTION and the CITATION files.
 
+
+#### CRAN-compatibility updates
+
+- Tabulation removed and variable statements fixed in Fortran files
+
 ____________________________________________________________________________________
 
 
diff --git a/src/frun_CEMANEIGE.f b/src/frun_CEMANEIGE.f
index 5d18df4d..23f7d26d 100644
--- a/src/frun_CEMANEIGE.f
+++ b/src/frun_CEMANEIGE.f
@@ -113,7 +113,7 @@ c      Outputs = -999.999  !initialisation made in R
         IF (IsHyst) THEN
           IF (Potmelt.GT.0.) THEN
             IF (G.LT.Glocalmax.AND.Gratio.EQ.1.) Glocalmax=G !Update in case of potential melt and G lower than Gseuil
-            Gratio=MIN(G/Glocalmax,1.)
+            Gratio=MIN(G/Glocalmax,1.d0)
           ENDIF
         ELSE
           IF(G.LT.Gthreshold) THEN
@@ -133,11 +133,11 @@ c      Outputs = -999.999  !initialisation made in R
 
         
           IF (dG.GT.0.) THEN
-            Gratio = MIN(Gratio+(Psol-Melt)/Gacc,1.) !Psol - Melt = dG
+            Gratio = MIN(Gratio+(Psol-Melt)/Gacc,1.d0) !Psol - Melt = dG
             IF (Gratio.EQ.1.) Glocalmax = Gthreshold
           ENDIF
           IF (dG.LT.0.) THEN
-            Gratio=MIN(G/Glocalmax,1.)
+            Gratio=MIN(G/Glocalmax,1.d0)
           ENDIF
         ELSE
           IF(G.LT.Gthreshold) THEN
diff --git a/src/frun_GR1A.f b/src/frun_GR1A.f
index b6655731..dc4d31a8 100644
--- a/src/frun_GR1A.f
+++ b/src/frun_GR1A.f
@@ -102,7 +102,7 @@ C**********************************************************************
       DOUBLEPRECISION P0,P1,E1,Q
 
       DOUBLEPRECISION tt ! speed-up
-	  
+
 C Runoff
       ! speed-up
       tt = (0.7*P1+0.3*P0)/Param(1)/E1
diff --git a/src/frun_GR2M.f b/src/frun_GR2M.f
index 7a2102c1..a53b2c57 100644
--- a/src/frun_GR2M.f
+++ b/src/frun_GR2M.f
@@ -118,35 +118,35 @@ C**********************************************************************
       DOUBLEPRECISION P1,P2,P3,R1,R2,AE,EXCH
 
       DOUBLEPRECISION TWS, Sr, Rr ! speed-up
-	  
+
 C Production store
       WS=P/Param(1)  
       IF(WS.GT.13.)WS=13.
-	  
- 	  ! speed-up
-	  TWS = tanHyp(WS)
-	  S1=(St(1)+Param(1)*TWS)/(1.+St(1)/Param(1)*TWS)                 
-	  ! S1=(X(1)+Param(1)*tanHyp(WS))/(1.+X(1)/Param(1)*tanHyp(WS))                 
-  	  ! fin speed-up
-
-	  P1=P+St(1)-S1                  
+
+      ! speed-up
+      TWS = tanHyp(WS)
+      S1=(St(1)+Param(1)*TWS)/(1.+St(1)/Param(1)*TWS)                 
+      ! S1=(X(1)+Param(1)*tanHyp(WS))/(1.+X(1)/Param(1)*tanHyp(WS))                 
+      ! fin speed-up
+
+      P1=P+St(1)-S1                  
       WS=E/Param(1)         
       IF(WS.GT.13.)WS=13.
-	  
- 	  ! speed-up
-	  TWS = tanHyp(WS)
+
+      ! speed-up
+      TWS = tanHyp(WS)
       S2=S1*(1.-TWS)/(1.+(1.-S1/Param(1))*TWS)  
       ! S2=S1*(1.-tanHyp(WS))/(1.+(1.-S1/Param(1))*tanHyp(WS))  
- 	  ! fin speed-up
-	  AE = S1 - S2
+      ! fin speed-up
+      AE = S1 - S2
                 
 C Percolation
- 	  ! speed-up
-	  Sr = S2/Param(1)
-	  Sr = Sr * Sr * Sr + 1.
+      ! speed-up
+      Sr = S2/Param(1)
+      Sr = Sr * Sr * Sr + 1.
       St(1)=S2/Sr**(1./3.)
       ! X(1)=S2/(1+(S2/Param(1))**3.)**(1./3.)         
- 	  ! fin speed-up
+      ! fin speed-up
 
       P2=S2-St(1)  
       P3=P1+P2
@@ -156,7 +156,7 @@ C QR calculation (routing store)
 
 C Water exchange
       R2=Param(2)*R1
-	  EXCH = R2 - R1
+      EXCH = R2 - R1
 
 C Total runoff
       Q=R2*R2/(R2+60.)
diff --git a/src/frun_GR4H.f b/src/frun_GR4H.f
index 4e711894..83732b42 100644
--- a/src/frun_GR4H.f
+++ b/src/frun_GR4H.f
@@ -50,8 +50,8 @@
       StUH2=0.
 
       !initialization of model states using StateStart
-	  St(1) = StateStart(1)
-	  St(2) = StateStart(2)
+      St(1) = StateStart(1)
+      St(2) = StateStart(2)
       DO I=1,NH
       StUH1(I)=StateStart(7+I)
       ENDDO
@@ -66,9 +66,9 @@
       !Param(4) : time constant of unit hydrograph (X4 - TB) [hour]
 
       !computation of UH ordinates
-	  OrdUH1 = 0.
-	  OrdUH2 = 0.
-	  
+      OrdUH1 = 0.
+      OrdUH2 = 0.
+      
       D=1.25
       CALL UH1_H(OrdUH1,Param(4),D)
       CALL UH2_H(OrdUH2,Param(4),D)
@@ -97,8 +97,8 @@ c        MISC = -999.999
         ENDDO
       ENDDO
       !model states at the end of the run
-	  StateEnd(1) = St(1)
-	  StateEnd(2) = St(2)
+      StateEnd(1) = St(1)
+      StateEnd(2) = St(2)
       DO K=1,NH
       StateEnd(7+K)=StUH1(K)
       ENDDO
@@ -156,7 +156,7 @@ C**********************************************************************
       DATA B/0.9/
 
       DOUBLEPRECISION TWS, Sr, Rr ! speed-up
-	
+
       A=Param(1)
 
 
@@ -166,14 +166,14 @@ C Interception and production store
       PN=0.
       WS=EN/A
       IF(WS.GT.13.)WS=13.
-	  
-	  ! speed-up
-		TWS = tanHyp(WS)
-		Sr = St(1)/A
-		ER=St(1)*(2.-Sr)*TWS/(1.+(1.-Sr)*TWS)
+      
+      ! speed-up
+        TWS = tanHyp(WS)
+        Sr = St(1)/A
+        ER=St(1)*(2.-Sr)*TWS/(1.+(1.-Sr)*TWS)
       ! ER=X(2)*(2.-X(2)/A)*tanHyp(WS)/(1.+(1.-X(2)/A)*tanHyp(WS))
-	  ! fin speed-up  
-	  
+      ! fin speed-up  
+      
       AE=ER+P1
       St(1)=St(1)-ER
       PR=0.
@@ -183,14 +183,14 @@ C Interception and production store
       PN=P1-E
       WS=PN/A
       IF(WS.GT.13.)WS=13.
-	  
-	  ! speed-up
-		TWS = tanHyp(WS)
-		Sr = St(1)/A
-		PS=A*(1.-Sr*Sr)*TWS/(1.+Sr*TWS)
+      
+      ! speed-up
+        TWS = tanHyp(WS)
+        Sr = St(1)/A
+        PS=A*(1.-Sr*Sr)*TWS/(1.+Sr*TWS)
       ! PS=A*(1.-(X(2)/A)**2.)*tanHyp(WS)/(1.+X(2)/A*tanHyp(WS))
-	  ! fin speed-up
-	  
+      ! fin speed-up
+      
       PR=PN-PS
       St(1)=St(1)+PS
       ENDIF
@@ -198,14 +198,14 @@ C Interception and production store
 C Percolation from production store
       IF(St(1).LT.0.)St(1)=0.
 
-	  ! speed-up
-	  ! (21/4)**4 = 759.69140625
- 	  Sr = St(1)/Param(1)
-	  Sr = Sr * Sr
-	  Sr = Sr * Sr
+      ! speed-up
+      ! (21/4)**4 = 759.69140625
+      Sr = St(1)/Param(1)
+      Sr = Sr * Sr
+      Sr = Sr * Sr
       PERC=St(1)*(1.-1./SQRT(SQRT(1.+Sr/759.69140625)))
-	  ! PERC=X(2)*(1.-(1.+(X(2)/(21./4.*Param(1)))**4.)**(-0.25))
-	  ! fin speed-up
+      ! PERC=X(2)*(1.-(1.+(X(2)/(21./4.*Param(1)))**4.)**(-0.25))
+      ! fin speed-up
 
       St(1)=St(1)-PERC
 
@@ -228,11 +228,11 @@ C Convolution of unit hydrograph UH2
       StUH2(2*NH)=OrdUH2(2*NH)*PRHU2
 
 C Potential intercatchment semi-exchange
-	  ! speed-up
-	  Rr = St(2)/Param(3)
+      ! speed-up
+      Rr = St(2)/Param(3)
       EXCH=Param(2)*Rr*Rr*Rr*SQRT(Rr)
       ! EXCH=Param(2)*(X(1)/Param(3))**3.5
-	  ! fin speed-up
+      ! fin speed-up
 
 C Routing store
       AEXCH1=EXCH
@@ -240,13 +240,13 @@ C Routing store
       St(2)=St(2)+StUH1(1)+EXCH
       IF(St(2).LT.0.)St(2)=0.
 
-	  ! speed-up
-	  Rr = St(2)/Param(3)
-	  Rr = Rr * Rr
-	  Rr = Rr * Rr
+      ! speed-up
+      Rr = St(2)/Param(3)
+      Rr = Rr * Rr
+      Rr = Rr * Rr
       QR=St(2)*(1.-1./SQRT(SQRT(1.+Rr)))
       ! QR=X(1)*(1.-(1.+(X(1)/Param(3))**4.)**(-1./4.))
-	  ! fin speed-up
+      ! fin speed-up
 
       St(2)=St(2)-QR
 
diff --git a/src/frun_GR4J.f b/src/frun_GR4J.f
index cc44e959..99633faa 100644
--- a/src/frun_GR4J.f
+++ b/src/frun_GR4J.f
@@ -50,8 +50,8 @@
       StUH2=0.
 
       !initialization of model states using StateStart
-	  St(1) = StateStart(1)
-	  St(2) = StateStart(2)
+      St(1) = StateStart(1)
+      St(2) = StateStart(2)
       DO I=1,NH
       StUH1(I)=StateStart(7+I)
       ENDDO
@@ -66,9 +66,9 @@
       !Param(4) : time constant of unit hydrograph (X4 - TB) [day]
 
       !computation of UH ordinates
-	  OrdUH1 = 0.
-	  OrdUH2 = 0.
-	  
+      OrdUH1 = 0.
+      OrdUH2 = 0.
+      
       D=2.5
       CALL UH1(OrdUH1,Param(4),D)
       CALL UH2(OrdUH2,Param(4),D)
@@ -97,8 +97,8 @@ c        MISC = -999.999
         ENDDO
       ENDDO
       !model states at the end of the run
-	  StateEnd(1) = St(1)
-	  StateEnd(2) = St(2)
+      StateEnd(1) = St(1)
+      StateEnd(2) = St(2)
       DO K=1,NH
       StateEnd(7+K)=StUH1(K)
       ENDDO
@@ -165,15 +165,15 @@ C Interception and production store
       PN=0.
       WS=EN/A
       IF(WS.GT.13.)WS=13.
-	  ! speed-up
+      ! speed-up
       TWS = tanHyp(WS)
       Sr = St(1)/A
       ER=St(1)*(2.-Sr)*TWS/(1.+(1.-Sr)*TWS)
       ! ER=X(2)*(2.-X(2)/A)*tanHyp(WS)/(1.+(1.-X(2)/A)*tanHyp(WS))
-	  ! fin speed-up  
+      ! fin speed-up  
       AE=ER+P1
       St(1)=St(1)-ER
-	  PS=0.
+      PS=0.
       PR=0.
       ELSE
       EN=0.
@@ -181,26 +181,26 @@ C Interception and production store
       PN=P1-E
       WS=PN/A
       IF(WS.GT.13.)WS=13.
-	  ! speed-up
+      ! speed-up
       TWS = tanHyp(WS)
       Sr = St(1)/A
       PS=A*(1.-Sr*Sr)*TWS/(1.+Sr*TWS)
       ! PS=A*(1.-(X(2)/A)**2.)*tanHyp(WS)/(1.+X(2)/A*tanHyp(WS))
-	  ! fin speed-up
+      ! fin speed-up
       PR=PN-PS
       St(1)=St(1)+PS
       ENDIF
 
 C Percolation from production store
       IF(St(1).LT.0.)St(1)=0.
-	  ! speed-up
-	  ! (9/4)**4 = 25.62891
- 	  Sr = St(1)/Param(1)
-	  Sr = Sr * Sr
-	  Sr = Sr * Sr
+      ! speed-up
+      ! (9/4)**4 = 25.62891
+      Sr = St(1)/Param(1)
+      Sr = Sr * Sr
+      Sr = Sr * Sr
       PERC=St(1)*(1.-1./SQRT(SQRT(1.+Sr/25.62891)))
-	  ! PERC=X(2)*(1.-(1.+(X(2)/(9./4.*Param(1)))**4.)**(-0.25))
-	  ! fin speed-up
+      ! PERC=X(2)*(1.-(1.+(X(2)/(9./4.*Param(1)))**4.)**(-0.25))
+      ! fin speed-up
       St(1)=St(1)-PERC
 
       PR=PR+PERC
@@ -222,24 +222,24 @@ C Convolution of unit hydrograph UH2
       StUH2(2*NH)=OrdUH2(2*NH)*PRHU2
 
 C Potential intercatchment semi-exchange
-	  ! speed-up
-	  Rr = St(2)/Param(3)
+      ! speed-up
+      Rr = St(2)/Param(3)
       EXCH=Param(2)*Rr*Rr*Rr*SQRT(Rr)
       ! EXCH=Param(2)*(X(1)/Param(3))**3.5
-	  ! fin speed-up
+      ! fin speed-up
 
 C Routing store
       AEXCH1=EXCH
       IF((St(2)+StUH1(1)+EXCH).LT.0.) AEXCH1=-St(2)-StUH1(1)
       St(2)=St(2)+StUH1(1)+EXCH
       IF(St(2).LT.0.)St(2)=0.
-	  ! speed-up
-	  Rr = St(2)/Param(3)
-	  Rr = Rr * Rr
-	  Rr = Rr * Rr
+      ! speed-up
+      Rr = St(2)/Param(3)
+      Rr = Rr * Rr
+      Rr = Rr * Rr
       QR=St(2)*(1.-1./SQRT(SQRT(1.+Rr)))
       ! QR=X(1)*(1.-(1.+(X(1)/Param(3))**4.)**(-1./4.))
-	  ! fin speed-up
+      ! fin speed-up
       St(2)=St(2)-QR
 
 C Runoff from direct branch QD
@@ -264,7 +264,7 @@ C Variables storage
       MISC(10)=StUH2(1)      ! Q1     ! outflow from UH2 (Q1) [mm/day]
       MISC(11)=St(2)         ! Rout   ! routing store level (St(2)) [mm]
       MISC(12)=EXCH          ! Exch   ! potential semi-exchange between catchments (EXCH) [mm/day]
-      MISC(13)=AEXCH1 	  	 ! AExch1 ! actual exchange between catchments from branch 1 (AEXCH1) [mm/day]
+      MISC(13)=AEXCH1        ! AExch1 ! actual exchange between catchments from branch 1 (AEXCH1) [mm/day]
       MISC(14)=AEXCH2        ! AExch2 ! actual exchange between catchments from branch 2 (AEXCH2) [mm/day]
       MISC(15)=AEXCH1+AEXCH2 ! AExch  ! actual total exchange between catchments (AEXCH1+AEXCH2) [mm/day]
       MISC(16)=QR            ! QR     ! outflow from routing store (QR) [mm/day]
diff --git a/src/frun_GR5J.f b/src/frun_GR5J.f
index 19e1209c..74546f31 100644
--- a/src/frun_GR5J.f
+++ b/src/frun_GR5J.f
@@ -49,8 +49,8 @@
       StUH2=0.
 
       !initilisation of model states using StateStart
-	  St(1) = StateStart(1)
-	  St(2) = StateStart(2)
+      St(1) = StateStart(1)
+      St(2) = StateStart(2)
 
       DO I=1,2*NH
       StUH2(I)=StateStart(7+NH+I)
@@ -64,7 +64,7 @@
       !Param(5) : intercatchment exchange threshold (X5 - CES2) [-]
 
       !computation of HU ordinates
-	  OrdUH2 = 0.
+      OrdUH2 = 0.
 
       D=2.5
       CALL UH2(OrdUH2,Param(4),D)
@@ -93,8 +93,8 @@ c        MISC = -999.999
         ENDDO
       ENDDO
       !model states at the end of the run
-	  StateEnd(1) = St(1)
-	  StateEnd(2) = St(2)
+      StateEnd(1) = St(1)
+      StateEnd(2) = St(2)
       DO K=1,2*NH
       StateEnd(7+NH+K)=StUH2(K)
       ENDDO
@@ -155,44 +155,44 @@ C Interception and production store
       PN=0.
       WS=EN/A
       IF(WS.GT.13.)WS=13.
-	  ! speed-up
-	  TWS = tanHyp(WS)
-	  Sr = St(1)/A
-      ER=St(1)*(2.-Sr)*TWS/(1.+(1.-Sr)*TWS)
-      ! ER=X(2)*(2.-X(2)/A)*tanHyp(WS)/(1.+(1.-X(2)/A)*tanHyp(WS))
-	  ! fin speed-up  
-      AE=ER+P1
-      St(1)=St(1)-ER
-	  PS=0.
-      PR=0.
+        ! speed-up
+        TWS = tanHyp(WS)
+        Sr = St(1)/A
+        ER=St(1)*(2.-Sr)*TWS/(1.+(1.-Sr)*TWS)
+        ! ER=X(2)*(2.-X(2)/A)*tanHyp(WS)/(1.+(1.-X(2)/A)*tanHyp(WS))
+        ! fin speed-up  
+        AE=ER+P1
+        St(1)=St(1)-ER
+        PS=0.
+        PR=0.
       ELSE
-      EN=0.
-      AE=E
-      PN=P1-E
-      WS=PN/A
-      IF(WS.GT.13.)WS=13.
-	  ! speed-up
-	  TWS = tanHyp(WS)
-	  Sr = St(1)/A
-      PS=A*(1.-Sr*Sr)*TWS/(1.+Sr*TWS)
-      ! PS=A*(1.-(X(2)/A)**2.)*tanHyp(WS)/(1.+X(2)/A*tanHyp(WS))
-	  ! fin speed-up
-	  
-      PR=PN-PS
-      St(1)=St(1)+PS
+        EN=0.
+        AE=E
+        PN=P1-E
+        WS=PN/A
+        IF(WS.GT.13.)WS=13.
+        ! speed-up
+        TWS = tanHyp(WS)
+        Sr = St(1)/A
+        PS=A*(1.-Sr*Sr)*TWS/(1.+Sr*TWS)
+        ! PS=A*(1.-(X(2)/A)**2.)*tanHyp(WS)/(1.+X(2)/A*tanHyp(WS))
+        ! fin speed-up
+        
+        PR=PN-PS
+        St(1)=St(1)+PS
       ENDIF
 
 C Percolation from production store
       IF(St(1).LT.0.)St(1)=0.
 
-	  ! speed-up
-	  ! (9/4)**4 = 25.62890625
- 	  Sr = St(1)/Param(1)
-	  Sr = Sr * Sr
-	  Sr = Sr * Sr
+      ! speed-up
+      ! (9/4)**4 = 25.62890625
+      Sr = St(1)/Param(1)
+      Sr = Sr * Sr
+      Sr = Sr * Sr
       PERC=St(1)*(1.-1./SQRT(SQRT(1.+Sr/25.62890625)))
-	  ! PERC=X(2)*(1.-(1.+(X(2)/(9./4.*Param(1)))**4.)**(-0.25))
-	  ! fin speed-up
+      ! PERC=X(2)*(1.-(1.+(X(2)/(9./4.*Param(1)))**4.)**(-0.25))
+      ! fin speed-up
 
       St(1)=St(1)-PERC
 
@@ -200,7 +200,7 @@ C Percolation from production store
 
 C Convolution of unit hydrograph UH2
       DO K=1,MAX(1,MIN(2*NH-1,2*INT(Param(4)+1.)))
-      StUH2(K)=StUH2(K+1)+OrdUH2(K)*PR
+        StUH2(K)=StUH2(K+1)+OrdUH2(K)*PR
       ENDDO
       StUH2(2*NH)=OrdUH2(2*NH)*PR
 
@@ -217,13 +217,13 @@ C Routing store
       St(2)=St(2)+Q9+EXCH
       IF(St(2).LT.0.)St(2)=0.
 
-	  ! speed-up
-	  Rr = St(2)/Param(3)
-	  Rr = Rr * Rr
-	  Rr = Rr * Rr
+      ! speed-up
+      Rr = St(2)/Param(3)
+      Rr = Rr * Rr
+      Rr = Rr * Rr
       QR=St(2)*(1.-1./SQRT(SQRT(1.+Rr)))
       ! QR=X(1)*(1.-(1.+(X(1)/Param(3))**4.)**(-1./4.))
-	  ! fin speed-up
+      ! fin speed-up
 
       St(2)=St(2)-QR
 
@@ -245,11 +245,11 @@ C Variables storage
       MISC( 6)=AE            ! AE     ! actual evapotranspiration [mm/day]
       MISC( 7)=PERC          ! Perc   ! percolation (PERC) [mm/day]
       MISC( 8)=PR            ! PR     ! PR=PN-PS+PERC [mm/day]
-      MISC( 9)=Q9	         ! Q9     ! outflow from UH1 (Q9) [mm/day]
-      MISC(10)=Q1		     ! Q1     ! outflow from UH2 (Q1) [mm/day]
+      MISC( 9)=Q9            ! Q9     ! outflow from UH1 (Q9) [mm/day]
+      MISC(10)=Q1            ! Q1     ! outflow from UH2 (Q1) [mm/day]
       MISC(11)=St(2)         ! Rout   ! routing store level (St(2)) [mm]
       MISC(12)=EXCH          ! Exch   ! potential semi-exchange between catchments (EXCH) [mm/day]
-      MISC(13)=AEXCH1 		 ! AExch1 ! actual exchange between catchments from branch 1 (AEXCH1) [mm/day]
+      MISC(13)=AEXCH1        ! AExch1 ! actual exchange between catchments from branch 1 (AEXCH1) [mm/day]
       MISC(14)=AEXCH2        ! AExch2 ! actual exchange between catchments from branch 2 (AEXCH2) [mm/day]
       MISC(15)=AEXCH1+AEXCH2 ! AExch  ! actual total exchange between catchments (AEXCH1+AEXCH2) [mm/day]
       MISC(16)=QR            ! QR     ! outflow from routing store (QR) [mm/day]
diff --git a/src/frun_GR6J.f b/src/frun_GR6J.f
index 0c331a03..c174ed68 100644
--- a/src/frun_GR6J.f
+++ b/src/frun_GR6J.f
@@ -50,14 +50,14 @@
       StUH2=0.
 
       !initialization of model states using StateStart
-	  St(1) = StateStart(1)
-	  St(2) = StateStart(2)
-	  St(3) = StateStart(3)
+      St(1) = StateStart(1)
+      St(2) = StateStart(2)
+      St(3) = StateStart(3)
       DO I=1,NH
-      StUH1(I)=StateStart(7+I)
+        StUH1(I)=StateStart(7+I)
       ENDDO
       DO I=1,2*NH
-      StUH2(I)=StateStart(7+I+NH)
+        StUH2(I)=StateStart(7+I+NH)
       ENDDO
 
       !parameter values
@@ -69,13 +69,13 @@
       !Param(6) : time constant of exponential store (X6 - EXP) [day]
 
       !computation of HU ordinates
-	  OrdUH1 = 0.
-	  OrdUH2 = 0.
-	  
+      OrdUH1 = 0.
+      OrdUH2 = 0.
+      
       D=2.5
       CALL UH1(OrdUH1,Param(4),D)
       CALL UH2(OrdUH2,Param(4),D)
-	  
+      
       !initialization of model outputs
       Q = -999.999
       MISC = -999.999
@@ -96,18 +96,18 @@ c        MISC = -999.999
         CALL MOD_GR6J(St,StUH1,StUH2,OrdUH1,OrdUH2,Param,P1,E,Q,MISC)
         !storage of outputs
         DO I=1,NOutputs
-        Outputs(k,I)=MISC(IndOutputs(I))
+          Outputs(k,I)=MISC(IndOutputs(I))
         ENDDO
       ENDDO
       !model states at the end of the run
-	  StateEnd(1) = St(1)
-	  StateEnd(2) = St(2)
-	  StateEnd(3) = St(3)
+      StateEnd(1) = St(1)
+      StateEnd(2) = St(2)
+      StateEnd(3) = St(3)
       DO K=1,NH
-      StateEnd(7+K)=StUH1(K)
+        StateEnd(7+K)=StUH1(K)
       ENDDO
       DO K=1,2*NH
-      StateEnd(7+NH+K)=StUH2(K)
+        StateEnd(7+NH+K)=StUH2(K)
       ENDDO
 
       RETURN
@@ -166,50 +166,50 @@ C**********************************************************************
 
 C Production store
       IF(P1.LE.E) THEN
-      EN=E-P1
-      PN=0.
-      WS=EN/A
-      IF(WS.GT.13)WS=13.
-	  
-	  ! speed-up
-	  TWS = tanHyp(WS)
-	  Sr = St(1)/A
-      ER=St(1)*(2.-Sr)*TWS/(1.+(1.-Sr)*TWS)
-      ! ER=X(2)*(2.-X(2)/A)*tanHyp(WS)/(1.+(1.-X(2)/A)*tanHyp(WS))
-	  ! fin speed-up  
-	  
-      AE=ER+P1
-      St(1)=St(1)-ER
-	  PS=0.
-      PR=0.
+        EN=E-P1
+        PN=0.
+        WS=EN/A
+        IF(WS.GT.13)WS=13.
+        
+        ! speed-up
+        TWS = tanHyp(WS)
+        Sr = St(1)/A
+        ER=St(1)*(2.-Sr)*TWS/(1.+(1.-Sr)*TWS)
+        ! ER=X(2)*(2.-X(2)/A)*tanHyp(WS)/(1.+(1.-X(2)/A)*tanHyp(WS))
+        ! fin speed-up  
+        
+        AE=ER+P1
+        St(1)=St(1)-ER
+        PS=0.
+        PR=0.
       ELSE
-      EN=0.
-      AE=E
-      PN=P1-E
-      WS=PN/A
-      IF(WS.GT.13)WS=13.
-	  
-	  ! speed-up
-	  TWS = tanHyp(WS)
-	  Sr = St(1)/A
-      PS=A*(1.-Sr*Sr)*TWS/(1.+Sr*TWS)
-      ! PS=A*(1.-(X(2)/A)**2.)*tanHyp(WS)/(1.+X(2)/A*tanHyp(WS))
-	  ! fin speed-up  
-	  
-      PR=PN-PS
-      St(1)=St(1)+PS
+        EN=0.
+        AE=E
+        PN=P1-E
+        WS=PN/A
+        IF(WS.GT.13)WS=13.
+        
+        ! speed-up
+        TWS = tanHyp(WS)
+        Sr = St(1)/A
+        PS=A*(1.-Sr*Sr)*TWS/(1.+Sr*TWS)
+        ! PS=A*(1.-(X(2)/A)**2.)*tanHyp(WS)/(1.+X(2)/A*tanHyp(WS))
+        ! fin speed-up  
+        
+        PR=PN-PS
+        St(1)=St(1)+PS
       ENDIF
 
 C Percolation from production store
       IF(St(1).LT.0.)St(1)=0.
-  	  ! speed-up
-	  ! (9/4)**4 = 25.62890625
- 	  Sr = St(1)/Param(1)
-	  Sr = Sr * Sr
-	  Sr = Sr * Sr
+      ! speed-up
+      ! (9/4)**4 = 25.62890625
+      Sr = St(1)/Param(1)
+      Sr = Sr * Sr
+      Sr = Sr * Sr
       PERC=St(1)*(1.-1./SQRT(SQRT(1.+Sr/25.62890625)))
       ! PERC=X(2)*(1.-(1.+(X(2)/(9./4.*Param(1)))**4.)**(-0.25))
-	  ! fin speed-up  
+      ! fin speed-up  
 
       St(1)=St(1)-PERC
 
@@ -239,15 +239,15 @@ C Routing store
       IF((St(2)+(1-C)*StUH1(1)+EXCH).LT.0) AEXCH1=-St(2)-(1-C)*StUH1(1)
       St(2)=St(2)+(1-C)*StUH1(1)+EXCH
       IF(St(2).LT.0.)St(2)=0.
-	  
-	  ! speed-up
-	  Rr = St(2)/Param(3)
-	  Rr = Rr * Rr
-	  Rr = Rr * Rr
+      
+      ! speed-up
+      Rr = St(2)/Param(3)
+      Rr = Rr * Rr
+      Rr = Rr * Rr
       QR=St(2)*(1.-1./SQRT(SQRT(1.+Rr)))
       ! QR=X(1)*(1.-(1.+(X(1)/Param(3))**4.)**(-1./4.))
-	  ! fin speed-up
-	  
+      ! fin speed-up
+      
       St(2)=St(2)-QR
 
 C Update of exponential store
@@ -293,7 +293,7 @@ C Variables storage
       MISC(10)=StUH2(1)           ! Q1     ! outflow from UH2 (Q1) [mm/day]
       MISC(11)=St(2)              ! Rout   ! routing store level (St(2)) [mm]
       MISC(12)=EXCH               ! Exch   ! potential third-exchange between catchments (EXCH) [mm/day]
-      MISC(13)=AEXCH1 		        ! AExch1 ! actual exchange between catchments from routing store (AEXCH1) [mm/day]
+      MISC(13)=AEXCH1             ! AExch1 ! actual exchange between catchments from routing store (AEXCH1) [mm/day]
       MISC(14)=AEXCH2             ! AExch2 ! actual exchange between catchments from direct branch (after UH2) (AEXCH2) [mm/day]
       MISC(15)=AEXCH1+AEXCH2+EXCH ! AExch  ! actual total exchange between catchments (AEXCH1+AEXCH2+EXCH) [mm/day]
       MISC(16)=QR                 ! QR     ! outflow from routing store (QR) [mm/day]
-- 
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