Replace use of NULL by C++11 nullptr.

[ginac.git] / ginac / normal.h

diff --git a/ginac/normal.h b/ginac/normal.h
index f249cb1ac4e8e2df7ac7e8217d11a319dfbbd3c1..deb69a97f40db5d21b13053d80f49d791d0c2e76 100644 (file)
--- a/ginac/normal.h
+++ b/ginac/normal.h
@@ -85,8 +85,8 @@ extern ex sprem(const ex &a, const ex &b, const ex &x, bool check_args = true);
 extern bool divide(const ex &a, const ex &b, ex &q, bool check_args = true);
 
 // Polynomial GCD in Z[X], cofactors are returned in ca and cb, if desired
 extern bool divide(const ex &a, const ex &b, ex &q, bool check_args = true);
 
 // Polynomial GCD in Z[X], cofactors are returned in ca and cb, if desired

-extern ex gcd(const ex &a, const ex &b, ex *ca = NULL, ex *cb = NULL,
-             bool check_args = true, unsigned options = 0);
+extern ex gcd(const ex &a, const ex &b, ex *ca = nullptr, ex *cb = nullptr,
+              bool check_args = true, unsigned options = 0);

 
 // Polynomial LCM in Z[X]
 extern ex lcm(const ex &a, const ex &b, bool check_args = true);
 
 // Polynomial LCM in Z[X]
 extern ex lcm(const ex &a, const ex &b, bool check_args = true);