Scilab Website | Contribute with GitLab | Mailing list archives | ATOMS toolboxes
Scilab Online Help
2023.1.0 - Français


nearfloat

get previous or next floating-point number

Syntax

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
  • log2 — logarithme en base 2. Exposant et mantisse en base 2 de nombres réels.
Report an issue
<< isnan Virgule flottante nextpow2 >>

Copyright (c) 2022-2023 (Dassault Systèmes)
Copyright (c) 2017-2022 (ESI Group)
Copyright (c) 2011-2017 (Scilab Enterprises)
Copyright (c) 1989-2012 (INRIA)
Copyright (c) 1989-2007 (ENPC)
with contributors
Last updated:
Mon May 22 12:39:41 CEST 2023