Index: power.cpp =================================================================== RCS file: /home/cvs/GiNaC/ginac/power.cpp,v retrieving revision 1.93 diff -r1.93 power.cpp 225c225 < return exponent.info(info_flags::nonnegint); --- > return exponent.info(info_flags::nonnegint) && basis.info(inf); 227c227 < return exponent.info(info_flags::integer); --- > return exponent.info(info_flags::integer) && basis.info(inf);