Manpage of SINCOS

SINCOS

Section: Linux Programmer's Manual (3)
Updated: 2015-03-02
Index
 

NAME

sincos, sincosf, sincosl - calculate sin and cos simultaneously  

SYNOPSIS

#define _GNU_SOURCE         /* See feature_test_macros(7) */
#include <math.h>void sincos(double x, double *sin, double *cos);
void sincosf(float x, float *sin, float *cos);
void sincosl(long double x, long double *sin, long double *cos);

Link with -lm.  

DESCRIPTION

Several applications need sine and cosine of the same angle x. These functions compute both at the same time, and store the results in *sinand *cos.

If xis a NaN, a NaN is returned in *sinand *cos.

If xis positive infinity or negative infinity, a domain error occurs, and a NaN is returned in *sinand *cos.  

RETURN VALUE

These functions return void.  

ERRORS

See math_error(7) for information on how to determine whether an error has occurred when calling these functions.

The following errors can occur:

Domain error: x is an infinity
An invalid floating-point exception (FE_INVALID) is raised.

These functions do not set errno.  

VERSIONS

These functions first appeared in glibc in version 2.1.  

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).
InterfaceAttributeValue
sincos(), sincosf(), sincosl() Thread safetyMT-Safe
 

CONFORMING TO

These functions are GNU extensions.  

SEE ALSO

cos(3), sin(3), tan(3)


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
VERSIONS
ATTRIBUTES
CONFORMING TO
SEE ALSO

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Time: 22:27:49 GMT, June 20, 2016