fCraft.PrepareParametrizedManifold.ReadDoubleParam C# (CSharp) Method

        private static double ReadDoubleParam( Command cmd, string msgParamParamName )
        {
            string s = cmd.Next();
            if ( string.IsNullOrWhiteSpace( s ) )
                throw new ArgumentException( "missing param variable " + msgParamParamName );
            double d;
            if ( !double.TryParse( s, out d ) )
                throw new ArgumentException( "cannot parse param variable " + msgParamParamName );
            return d;
        }