c++/c: How to parse a scientific numeric string

 

Very crude method:

float eMod_d1;   
sscanf("2e+020","%e",&eMod_d1);

float eMod_d2;   
sscanf("20","%e",&eMod_d2);

float eMod_d3;   
sscanf("0.01","%e",&eMod_d3);