Home Man
Search
Today's Posts
Register

Linux & Unix Commands - Search Man Pages

CentOS 7.0 - man page for exp2 (centos section 3)

EXP2(3) 				      Linux Programmer's Manual 				      EXP2(3)

NAME
exp2, exp2f, exp2l - base-2 exponential function
SYNOPSIS
#include <math.h> double exp2(double x); float exp2f(float x); long double exp2l(long double x); Link with -lm. Feature Test Macro Requirements for glibc (see feature_test_macros(7)): exp2(), exp2f(), exp2l(): _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L; or cc -std=c99
DESCRIPTION
The exp2() function returns the value of 2 raised to the power of x.
RETURN VALUE
On success, these functions return the base-2 exponential value of x. For various special cases, including the handling of infinity and NaN, as well as overflows and underflows, see exp(3).
ERRORS
See math_error(7) for information on how to determine whether an error has occurred when calling these func- tions. For a discussion of the errors that can occur for these functions, see exp(3).
VERSIONS
These functions first appeared in glibc in version 2.1.
CONFORMING TO
C99, POSIX.1-2001. The variant returning double also conforms to SVr4, 4.3BSD, C89.
SEE ALSO
cbrt(3), cexp2(3), exp(3), exp10(3), sqrt(3)
COLOPHON
This page is part of release 3.53 of the Linux man-pages project. A description of the project, and informa- tion about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. 2010-09-20 EXP2(3)


All times are GMT -4. The time now is 07:16 AM.

Unix & Linux Forums Content Copyrightę1993-2018. All Rights Reserved.
UNIX.COM Login
Username:
Password:  
Show Password