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reduze1to2

program to convert reduction result from Reduze 1 file format
to Reduze 2 file format:

usage:

reduze1to2
first argument:   input_file with Reduze 1 reduction results
second argument:  output_file
third argument:   integral family name

NB:
choosing the output file name:
In Reduze 2, files with reduction results for a certain sector
(with id-number "id") of an integral family (e.g. with name "A")
have the standard name: "reduction_A_t_id" where "t" is the number
of propagators of sector "id".



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example Reduze 1 equation:

# file "ID148"

0 -1 1 0 1 0 0 1 0 
1
-1 0 1 0 1 0 0 1 0 
1/2*(-1+t)*(1+t)^(-1)
0 0 1 0 1 0 0 1 0 
1/2*(-1+t)^2*(1+t)^(-1)
;

Reduze 2 equation (using "A" as integral family name):

# file "reduction_A_3_148"

  A 3 148  3 1  0 -1 1 0 1 0 0 1 0 
   1
    A 3 148  3 1  -1 0 1 0 1 0 0 1 0 
     1/2*(-1+t)*(1+t)^(-1)
    A 3 148  3 0  0 0 1 0 1 0 0 1 0 
     1/2*(-1+t)^2*(1+t)^(-1)
;

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