perm.h

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#ifndef MATRIX_PERM_H
#define MATRIX_PERM_H
 
#include <Rinternals.h>
 
SEXP R_isPerm(SEXP, SEXP);
SEXP R_signPerm(SEXP, SEXP);
SEXP R_invertPerm(SEXP, SEXP, SEXP);
SEXP R_asPerm(SEXP, SEXP, SEXP, SEXP);
 
#endif /* MATRIX_PERM_H */