isinf man page on SunOS

isinf man page on SunOS

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isinf(3M)		Mathematical Library Functions		     isinf(3M)

NAME
       isinf - test for infinity

SYNOPSIS
       c99 [ flag... ] file... -lm [ library... ]
       #include <math.h>

       int isinf(real-floating x);

DESCRIPTION
       The  isinf() macro determines whether its argument value is an infinity
       (positive or negative). First, an  argument  represented	 in  a	format
       wider  than  its	 semantic type is converted to its semantic type. Then
       determination is based on the type of the argument.

RETURN VALUES
       The isinf() macro returns a non-zero value if and only if its  argument
       has an infinite value.

ERRORS
       No errors are defined.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌─────────────────────────────┬─────────────────────────────┐
       │      ATTRIBUTE TYPE	     │	    ATTRIBUTE VALUE	   │
       ├─────────────────────────────┼─────────────────────────────┤
       │Interface Stability	     │Standard			   │
       ├─────────────────────────────┼─────────────────────────────┤
       │MT-Level		     │MT-Safe			   │
       └─────────────────────────────┴─────────────────────────────┘

SEE ALSO
       fpclassify(3M),	isfinite(3M),  isnan(3M), isnormal(3M), math.h(3HEAD),
       signbit(3M), attributes(5), standards(5)

SunOS 5.10			  12 Jul 2006			     isinf(3M)

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