How to convert a string representing decimal number in exponential form to float in Qt?

Question

I have some decimal numbers in a text file represented in exponential form Eg: 144.2e-3. I want to store the values in float. In qt it returns \"0\" when i directly use the

Answer 1

value = 3.91e+01;
double doubleValue;
stringstream valuestream(value);
valuestream >> doubleValue;

Using a stringstream you can convert exponential number to the datatype we require.