Why does SampleTime need to be defined as double?

I would like to define a parameter, to be used as SampleTime in block definitions, and I want that parameter to be generated in autocode as a single data type?

[Sudarshan Kolar]

I understand that you are trying to generate code from your Simulink model and you want the parameter "SampleTime" to be of data type single in the generated code.

SampleTime = Simulink.Parameter;
SampleTime.Value = 0.01;
SampleTime.DataType = 'single';
SampleTime.StorageClass = 'ExportedGlobal'; %to see the change

Hope that helps.