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Ruby | Float class -@ value

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Float#-@() : -@() is a Float class method in Ruby which return its own self value. It works as -@a = -(a)

Syntax:  Float.-@()

Parameter:  Float value

Return:  Negative Self

Code #1 : Example for -@() method




# Ruby code for Float.-@() method
  
  
# declaring float value
a = -100.7 - 10.4
  
# declaring float value
b = -100 * 2000.0
  
# declaring float value
c = -(22 + 7.1) * 4
  
# a
puts "-@a : #{-a}\n\n"
  
# b
puts "-@b : #{-b}\n\n"
  
# c
puts "-@c : #{-c}\n\n"


Output :

-@a : 111.10000000000001

-@b : 200000.0

-@c : 116.4

Code #2 : Example for -@() method




# Ruby code for Float.-@() method
  
# declaring float value
a = -56.23333333
  
# declaring float value
b = 10000.0
  
# declaring float value
c = -(22 + 7.1)
  
# NEGATIVE VALUE
puts "-@a : #{-a}\n\n"
  
puts "-@b : #{-b}\n\n"
  
puts "-@c : #{-c}\n\n"


Output :

-@a : 56.23333333

-@b : -10000.0

-@c : 29.1


Last Updated : 07 Jan, 2020
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