mojave man page for acosl

Query: acosl

OS: mojave

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

ACOS(3) 						   BSD Library Functions Manual 						   ACOS(3)

NAME
acos -- arc cosine function
SYNOPSIS
#include <math.h> double acos(double x); long double acosl(long double x); float acosf(float x);
DESCRIPTION
The acos() function computes the principle value of the arc cosine of x. The result is in the range [0, pi].
SPECIAL VALUES
acos(1) returns +0. acos(x) returns a NAN and raises the "invalid" floating-point exception for |x| > 1.
VECTOR OPERATIONS
If you need to apply the acos() 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 vacosf(vFloat x); void vvacosf(float *y, const float *x, const int *n); void vvacos(double *y, const double *x, const int *n);
SEE ALSO
sin(3), cos(3), tan(3), asin(3), atan(3), atan2(3), sinh(3), cosh(3), tanh(3), math(3)
STANDARDS
The acos() function conforms to ISO/IEC 9899:2011.
BSD
December 11, 2006 BSD
Related Man Pages
acos(3) - mojave
acosf(3) - mojave
cos(3) - mojave
cosl(3) - osx
acosf(3) - freebsd
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