How to get absolute value from double - c-language
Use fabs() (in math.h) to get absolute-value for double:
double d1 = fabs(-3.8951);
Use fabs instead of abs to find absolute value of double (or float) data types. Include the <math.h> header for fabs function.
double d1 = fabs(-3.8951);
It's worth noting that Java can overload a method such as abs so that it works with an integer or a double. In C, overloading doesn't exist, so you need different functions for integer versus double.