# Fortran Wiki rrspacing

## Description

rrspacing(x) returns the reciprocal of the relative spacing of model numbers near x.

## Standard

Fortran 95 and later

## Class

Elemental function

## Syntax

result = rrspacing(x)

## Arguments

• x - Shall be of type real.

## Return value

The return value is of the same type and kind as x. The value returned is equal to abs(fraction(x)) * float(radix(x))**digits(x).