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Scilab help >> Elementary Functions > Floating point > 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 — dissect floating-point numbers into base 2 exponent and mantissa
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Last updated:
Tue Apr 02 17:36:21 CEST 2013