This is the uPDF CCFM evolution code based on the SMALLX of B. Webber Installation: mkdir updf tar xvfz updf-ccfm-1.0.00.tar.gz cd uPDF-CCFM-1.0.00 ./configure --prefix="your installation directory" make make install cd .. The run the program from bin/updf < share/steer_gluon > test.out An example steering file to create the eveolution kernal is: steer_gluon_kernel To run: bin/updf < share/steer_gluon_kernel > test.out Please be patient, it take quite some time to create the kernel gird file. Looking at the output: read the grid file and print a few number: bin/updfread