Explain cint, cdbl and clng in QTP.

In QTP scripting, many times you need to compare 2 values.
When you compare the values, it is necessary that both variables should have same data type.

Below functions are used to convert the data type of variable.

1. cint  - converts the expression into integer sub data type 
2. cdbl -  converts the expression into double sub data type 
3. clng -  converts the expression into long sub data type 

Example -

str = "10"
print typename(str)

str = cint(str)
'Convert the string into integer data type
print typename(str)

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str = "10.2"
print typename(str)

str = cdbl(str)
'Convert the string into double data type
print typename(str)

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str = "108787"
print typename(str)

str = clng(str)
'Convert the string into long data type
print typename(str)

More examples on data type conversions are at date and string conversions 

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