help with data type sizes Post: 302488170

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isnormal

isnormal(3M)						  Mathematical Library Functions					      isnormal(3M)

NAME

       isnormal - test for a normal value

SYNOPSIS

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

       int isnormal(real-floating x);

DESCRIPTION

       The  isnormal() macro determines whether its argument value is normal (neither zero, subnormal, infinite, nor NaN). First, an argument rep-
       resented in a format wider than its semantic type is converted to its semantic type. Then determination is based on the type of	the  argu-
       ment.

RETURN VALUES

       The isnormal() macro returns a non-zero value if and only if its argument has a normal 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), isinf(3M), isnan(3M), math.h(3HEAD), signbit(3M), attributes(5), standards(5)

SunOS 5.11							    12 Jul 2006 						      isnormal(3M)

10 More Discussions You Might Find Interesting

1. Programming

FILE data type

Discussion started by: milhan

2. Programming

time_t data type-- what does start +1 mean?

Discussion started by: whatisthis

3. Programming

data type limitation

Discussion started by: ALTRUNVRSOFLN

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Value too large to be stored in data type???

Discussion started by: limame