cosl man page on Darwin

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COS(3)			 BSD Library Functions Manual			COS(3)

NAME
     cos — cosine function

SYNOPSIS
     #include <math.h>

     double
     cos(double x);

     long double
     cosl(long double x);

     float
     cosf(float x);

DESCRIPTION
     The cos() function computes the cosine of x (measured in radians).

SPECIAL VALUES
     cos(�0) returns 1.

     cos(�infinity) returns a NaN and raises the "invalid" floating-point
     exception.

VECTOR OPERATIONS
     If you need to apply the cos() function to SIMD vectors or arrays, using
     the following functions provided by the Accelerate.framework may give
     significantly better performance:

     #include <Accelerate/Accelerate.h>

     vFloat vcosf(vFloat x);
     vFloat vsincosf(vFloat x, vFloat *c);
     void vvcosf(float *y, const float *x, const int *n);
     void vvcos(double *y, const double *x, const int *n);
     void vvsincosf(float *s, float *c, const float *x, const int *n);
     void vvsincos(double *s, double *c, const double *x, const int *n);

SEE ALSO
     sin(3), tan(3), asin(3), acos(3), atan(3), atan2(3), sinh(3), cosh(3),
     tanh(3), math(3)

STANDARDS
     The cos() function conforms to ISO/IEC 9899:2011.

BSD			       December 11, 2006			   BSD
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