Compute the arccosine of a single-precision floating-point number.
var acosf = require( '@stdlib/math/base/special/acosf' );Computes the arccosine of a single-precision floating-point number (in radians).
var v = acosf( 1.0 );
// returns 0.0
v = acosf( 0.707 ); // ~pi/4
// returns ~0.7855
v = acosf( 0.866 ); // ~pi/6
// returns ~0.5236
v = acosf( NaN );
// returns NaNThe domain of x is restricted to [-1,1]. If |x| > 1, the function returns NaN.
var v = acosf( -3.14 );
// returns NaNvar uniform = require( '@stdlib/random/array/uniform' );
var logEachMap = require( '@stdlib/console/log-each-map' );
var acosf = require( '@stdlib/math/base/special/acosf' );
var x = uniform( 100, -1.0, 1.0, {
'dtype': 'float32'
});
logEachMap( 'acosf(%0.4f) = %0.4f', x, acosf );#include "stdlib/math/base/special/acosf.h"Computes the arccosine of a single-precision floating-point number (in radians).
float out = stdlib_base_acosf( 1.0f );
// returns 0.0f
out = stdlib_base_acosf( 0.707f ); // ~pi/4
// returns ~0.7855fThe function accepts the following arguments:
- x:
[in] floatinput value (in radians).
float stdlib_base_acosf( const float x );#include "stdlib/math/base/special/acosf.h"
#include <stdio.h>
int main( void ) {
const float x[] = { -1.0f, -0.78f, -0.56f, -0.33f, -0.11f, 0.11f, 0.33f, 0.56f, 0.78f, 1.0f };
float v;
int i;
for ( i = 0; i < 10; i++ ) {
v = stdlib_base_acosf( x[ i ] );
printf( "acos(%f) = %f\n", x[ i ], v );
}
}@stdlib/math/base/special/acos: compute the arccosine of a double-precision floating-point number.@stdlib/math/base/special/acosh: compute the hyperbolic arccosine of a double-precision floating-point number.@stdlib/math/base/special/asinf: compute the arcsine of a single-precision floating-point number.@stdlib/math/base/special/atanf: compute the arctangent of a single-precision floating-point number.