rna → numeric Relation

File in src/apps/public/rna	Includes file in src/numeric
erraser / erraser2.cc	random / random.hh
erraser / erraser2.cc	random / random_permutation.hh
util / rna_database.cc	conversions.hh
util / rna_features.cc	xyzMatrix.hh
util / rna_score.cc	conversions.hh