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See the recommended documentation of this function

Aide Scilab >> Fonctions Elémentaires > Virgule flottante > nearfloat

nearfloat

get previous or next floating-point number

Calling Sequence

xnear = nearfloat(dir, x)

Arguments

dir

string ("succ" or "pred")

x

real scalar, vector or matrix

xnear

real scalar, vector or matrix

Description

This function computes, in the element wise meaning, the corresponding neighbours of the elements of x (in the underlying floating point set, see number_properties), the successors if dir = "succ" and the predecessors if dir = "pred".

Examples

format("e",22)
nearfloat("succ",1) - 1
1 - nearfloat("pred",1)
format("v") //reset default format

See Also

  • number_properties — determine floating-point parameters
  • frexp — calcule la représentation en base 2 (mantisse et exposant) d'un nombre flottant.

Authors

B.P.

Scilab Enterprises
Copyright (c) 2011-2017 (Scilab Enterprises)
Copyright (c) 1989-2012 (INRIA)
Copyright (c) 1989-2007 (ENPC)
with contributors
Last updated:
Wed Oct 05 12:10:37 CEST 2011