CareerCup

Test cases

1. normal float string like "1.2"

2. float string with out fraction like "10"

3. float string only fraction like ".7647834"

4. float string with prefix and suffix Zeros like "0.213232" "000001.487348"
"3.54500000" , "4.0"

5. Negative float numbers like "-23.545"

6. minimum & maximum float strings to check boundary conditions.

7. check rounding & truncate float strings like "1.5555555555555" "1.5555555555556666"

We can also test string without number, like "abc"

We can also add mixed like "1.2abc", "abc" etc

Also check for null and empty strings.

atof(2.00000)