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nearfloat

nearfloat — get previous or next floating-point number

Calling sequence

xnear = nearfloat(dir, x)

Parameters

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, frexp

Author

B.P.

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