AfDalDecimal * afdal_decimal_make_positive AfDalDecimal decimal  ) 

Allows to transform a negative value into a positive value.

This function allows to get a positive representation from a negative representation. It doesn't do an arithmetic operation to obtain the result.

This function tries first to figure out if the given decimal value is a negative one.

Once done, the function normalizes the number and strips the negative sign from the begining.

If the number is already positive, the function just returns without error.

decimal the AfDalDecimal value to transform into a positive.
the function returns the new posite AfDalDecimal value. In the case the given value is already positive the function retuns NULL.