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round -- round a number

Description

Synopsis

  • Usage:
    round x
  • Inputs:
    • x, a number
  • Outputs:
    • the integer nearest to x
i1 : round(-2.3)

o1 = -2
 
i2 : round(-2.3+5*ii)

o2 = -2
 
i3 : round(2/3)

o3 = 1

Synopsis

  • Usage:
    round(n,x)
  • Inputs:
  • Outputs:
    • the real number with just n decimal digits to the right of the decimal point nearest to x
i4 : round(2,1234.5678)

o4 = 1234.57

o4 : RR (of precision 53)
 
i5 : round(-2,1234.5678)

o5 = 1200

o5 : RR (of precision 53)

See also

Ways to use round:

  • round(Number)
  • round(QQ)
  • round(ZZ)
  • round(ZZ,CC)
  • round(ZZ,Number)
  • round(ZZ,RR)
  • round(ZZ,RRi)

For the programmer

The object round is a method function.

The source of this document is in Macaulay2Doc/doc_arithmetic.m2:33:0.