Fix some warnings about comparison of signed with unsigned.

[ginac.git] / ginac / wildcard.cpp

diff --git a/ginac/wildcard.cpp b/ginac/wildcard.cpp
index eef0376c0a9caab5ee4e604d6e6b0b7b3afeaef7..8bf8c6a739c1b7e5c6307f21805c5f33cd879159 100644 (file)
--- a/ginac/wildcard.cpp
+++ b/ginac/wildcard.cpp
@@ -123,7 +123,7 @@ bool haswild(const ex & x)
 {
        if (is_a<wildcard>(x))
                return true;
-       for (int i=0; i<x.nops(); ++i)
+       for (size_t i=0; i<x.nops(); ++i)
                if (haswild(x.op(i)))
                        return true;
        return false;