Python – cmath.isclose() function
Last Updated :
28 May, 2020
cMath module contains a number of functions which is used for mathematical operations for complex numbers. The cmath.isclose() function is used to check whether two complex values are close, or not. The value passed in this function can be int, float, and complex numbers.
Syntax: cmath.isclose(a, b, rel_tol = value, abs_tol = value)
Parameter:This method accepts the following parameters.
- a :This parameter is the first value to check for closeness.
- b :This parameter is the second value to check for closeness.
- rel_tol = value :This parameter is the maximum allowed difference between value a and b.
- abs_tol = value : This parameter is the minimum absolute tolerance
Returns:This method returns a Boolean value.
Below examples illustrate the use of above function:
Example #1 :
Python3
import cmath
val = cmath.isclose( 1 + 2j , 1 + 2j )
print (val)
val1 = cmath.isclose( 1 + 2.2j , 1 + 2j )
print (val1)
|
Output:
True
False
Example 2:
Python3
import cmath
val = cmath.isclose( 1 + 2j , 1 + 2j , abs_tol = 0.5 )
print (val)
val1 = cmath.isclose( 1 + 2.2j , 1 + 2j , abs_tol = 0.5 )
print (val1)
|
Output:
True
True
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