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new implementation of scale variations #14

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883515d
new implementation of scale variations
lucarottoli Feb 14, 2019
ef678cf
new implementation of scale variations
lucarottoli Feb 14, 2019
d50b2e5
new implementation of scale variations
lucarottoli Feb 14, 2019
6d1e5a2
new implementation of scale variations
lucarottoli Feb 14, 2019
496b8fc
new implementation of scale variations
lucarottoli Feb 14, 2019
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4 changes: 3 additions & 1 deletion src/DIS/SetScaleVariationProcedure.f
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Original file line number Diff line number Diff line change
Expand Up @@ -3,9 +3,11 @@
* SetScaleVariationProcedure.f:
*
* This subroutine sets the the procedure to be used to vary
* factorisation and remormalisation scale:
* factorisation and renormalisation scale:
* - 0: consistent scale variation in DIS and evolution
* - 1: variation only in the DIS structure functions
* - 2: renormalisation scale variation in structure functions,
* factorisation scale variation in the evolution
*
************************************************************************
subroutine SetScaleVariationProcedure(svproc)
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9 changes: 6 additions & 3 deletions src/DIS/initParametersDIS.f
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Expand Up @@ -191,14 +191,16 @@ subroutine initParametersDIS
call exit(-10)
endif
*
if(ScVarProc.lt.0.or.ScVarProc.gt.1)then
if(ScVarProc.lt.0.or.ScVarProc.gt.2)then
write(6,*) achar(27)//"[31mERROR:"
write(6,*) "Scale variation procedure unknown:"
write(6,*) "ScVarProc = ",ScVarProc
write(6,*) " "
write(6,*) "The options are:"
write(6,*) "- 0"
write(6,*) "- 1"
write(6,*) "-0 consistent scale variation in DIS and evolution"
write(6,*) "-1 variation only in the DIS structure functions"
write(6,*) "-2 ren. scale variation in structure functions"
write(6,*) " fact. scale variation in the evolution"
write(6,*) achar(27)//"[0m"
call exit(-10)
endif
Expand All @@ -208,6 +210,7 @@ subroutine initParametersDIS
if(krenQ.ne.1d0.or.kfacQ.ne.1d0)then
call SetRenFacRatio(dsqrt(krenQ/kfacQ))
if(ScVarProc.eq.1) call SetRenFacRatio(1d0)
if(ScVarProc.eq.2) kfacQ = 1d0
endif
*
* Ensure that for the time-like evolution only proper settings are used
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