Create a scalar double in Scilab memory.
int createScalarDouble(void* _pvCtx, int _iVar, double _dblReal)
int createNamedScalarDouble(void* _pvCtx, const char* _pstName, double _dblReal)
: :_pstName Name of the variable for “named” functions. : :_dblReal Double value. :
if successful 0, otherwise print error(s) message(s) in the Scilab console and returns first error number.