This patch fixes a bug on machines where char is unsigned by default, by

[ginac.git] / ginac / clifford.h

diff --git a/ginac/clifford.h b/ginac/clifford.h
index 57e919e1becc3800df005ca6c862a513ade57857..81e49b017f253c007869fd5e7b84175baa56407c 100644 (file)
--- a/ginac/clifford.h
+++ b/ginac/clifford.h
@@ -301,7 +301,7 @@ ex remove_dirac_ONE(const ex & e, unsigned char rl = 0, unsigned options = 0);
  *
  *  @param e Expression to be processed
  *  @ignore_ONE defines if clifford_ONE should be ignored in the search*/
-char clifford_max_label(const ex & e, bool ignore_ONE = false);
+int clifford_max_label(const ex & e, bool ignore_ONE = false);
 
 /** Calculation of the norm in the Clifford algebra. */
 ex clifford_norm(const ex & e);