Float or double? Vdac

[Laiaborrell]

Hi!
The void MCP4725_SetOutputVoltage(MCP4725_Handle_T self, float outputVoltage) function takes as input a float variable representing the Vdac that we want to set. However, when we receive the CA_configuration the eDC variable to which we want to set the Vcell is a double. It is true that we then have to convert the Vcell to the Vdac with the formula given in the readme, but we don't know if the Vdac variable:
Vdac=1.65-(Vcell/2);
must be defined as float or double.
I hope the question makes sense. Thank you in advance.
Laia

[Albert-Alvarez]

As you say, eDc is a double and Vdac is a float. Simply, operate with eDc the relevant formula and, when saving the result in the variable Vdac, it will be cast directly to float. You can also put it explicitly:

float Vdac = (float)(1.65-(eDc/2.0));