Round a double-precision floating-point number toward positive infinity.
var ceil = require( '@stdlib/math/base/special/ceil' );Rounds a double-precision floating-point number toward positive infinity.
var v = ceil( -4.2 );
// returns -4.0
v = ceil( 9.99999 );
// returns 10.0
v = ceil( 0.0 );
// returns 0.0
v = ceil( NaN );
// returns NaNvar uniform = require( '@stdlib/random/array/uniform' );
var logEachMap = require( '@stdlib/console/log-each-map' );
var ceil = require( '@stdlib/math/base/special/ceil' );
var opts = {
'dtype': 'float64'
};
var x = uniform( 100, -50.0, 50.0, opts );
logEachMap( 'ceil(%0.4f) = %0.4f', x, ceil );#include "stdlib/math/base/special/ceil.h"Rounds a double-precision floating-point number toward positive infinity.
double y = stdlib_base_ceil( 3.14 );
// returns 4.0The function accepts the following arguments:
- x:
[in] doubleinput value.
double stdlib_base_ceil( const double x );#include "stdlib/math/base/special/ceil.h"
#include <stdio.h>
int main( void ) {
const double x[] = { 3.14, -3.14, 0.0, 0.0/0.0 };
double y;
int i;
for ( i = 0; i < 4; i++ ) {
y = stdlib_base_ceil( x[ i ] );
printf( "ceil(%lf) = %lf\n", x[ i ], y );
}
}@stdlib/math/base/special/ceiln: round a numeric value to the nearest multiple of 10^n toward positive infinity.@stdlib/math/base/special/floor: round a double-precision floating-point number toward negative infinity.@stdlib/math/base/special/round: round a numeric value to the nearest integer.