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Technical Reference: Base Operating System and Extensions, Volume 1

isunordered Macro

Purpose

Tests if arguments are unordered.

Syntax

#include <math.h>
int isunordered (x, y)
real-floating x;
real-floating y;

Description

The isunordered macro determines whether its arguments are unordered.

Parameters

x Specifies the first value in the order.
y Specifies the second value in the order.

Return Values

Upon successful completion, the isunordered macro returns 1 if its arguments are unordered, and 0 otherwise.

If x or y is NaN, 0 is returned.

Related Information

isgreater Macro, isgreaterequal Subroutine, isless Macro, islessequal Macro, and islessgreater Macro.

math.h in AIX 5L Version 5.2 Files Reference.

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