powf() function does not exists in Borland compilers. What is needed for? ciao, Luca ------------- Error E2268 Z:\gdcm\src\gdcmFile.cxx 1923: Call to undefined function 'powf' in function File::CalculLikelyhood2Vec(vector3D,vector3D,vector3D,vector3D) *** 1 errors in Compile ***