X-Git-Url: https://ginac.de/ginac.git//ginac.git?a=blobdiff_plain;f=ginac%2Fpower.h;h=97072e2a4d3ad50ec11768c7d4a891b69f4f9460;hb=0c8c12f5393a7ca5f78233af5ee81593184c35fb;hp=175fea057c39fa12fb25388f478ff2a9b293eb6d;hpb=aa6281216091efd92dc5fcc3f96c7189114e80f1;p=ginac.git

diff --git a/ginac/power.h b/ginac/power.h
index 175fea05..97072e2a 100644
--- a/ginac/power.h
+++ b/ginac/power.h
@@ -90,13 +90,6 @@ protected:
 
 // utility functions
 
-/** Return the power object handled by an ex.  Deprecated: use ex_to<power>().
- *  This is unsafe: you need to check the type first. */
-inline const power &ex_to_power(const ex &e)
-{
-	return static_cast<const power &>(*e.bp);
-}
-
 /** Efficient specialization of is_exactly_a<power>(obj) for power objects. */
 template<> inline bool is_exactly_a<power>(const basic & obj)
 {
@@ -120,7 +113,11 @@ inline ex pow(const T1 & b, const T2 & e)
 }
 
 /** Square root expression.  Returns a power-object with exponent 1/2. */
-ex sqrt(const ex & a);
+inline ex sqrt(const ex & a)
+{
+	extern const ex _ex1_2;
+	return power(a,_ex1_2);
+}
 
 } // namespace GiNaC