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NNPDF / hawaiian_vrap

vrap with pineappl
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First pass through vrap #3

Closed scarlehoff closed 2 years ago

scarlehoff commented 2 years ago

In this PR I'm basically reading through vrap and doing some small modifications.

I'm taking the liberty of reindenting everything that I'm touching and adding some comments or printouts here and there. All changes are concentrated in vrap.C and integration.h (which eventually will be eliminated and functions taken from the header).

scarlehoff commented 2 years ago

The current version is able to correctly compute the LO, for instance if one goes to regression_tests and runs the following:

../build/Vrap inputE605nlo.dat 7 0.6 
 pineappl convolute test.pineappl.lz4 NNPDF40_nnlo_as_0118 --orders a2as0

despite vrap computing 8.04` (the NLO result) the pineappl grid will return the correct LO result: 5.27.

The NLO also gets partially filled, but only the born-like part at the moment.