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sincos (3)
  • sincos (3) ( Solaris man: Библиотечные вызовы )
  • sincos (3) ( Русские man: Библиотечные вызовы )
  • >> sincos (3) ( Linux man: Библиотечные вызовы )
  •  

    NAME

    sincos, sincosf, sincosl - calculate sin and cos simultaneously
     
    

    SYNOPSIS

    #define _GNU_SOURCE
    #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. This function computes both at the same time, and stores the results in *sin and *cos.

    If x is a NaN, a NaN is returned in *sin and *cos.

    If x is positive infinity or negative infinity, a domain error occurs, and a NaN is returned in *sin and *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.  

    CONFORMING TO

    This function is a GNU extension.  

    SEE ALSO

    cos(3), sin(3), tan(3), feature_test_macros(7)  

    COLOPHON

    This page is part of release 3.14 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.


     

    Index

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


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