Package Exports
- @stdlib/math-base-special-ceil
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Readme
Ceil
Round a double-precision floating-point number toward positive infinity.
Installation
npm install @stdlib/math-base-special-ceilUsage
var ceil = require( '@stdlib/math-base-special-ceil' );ceil( x )
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 NaNExamples
var randu = require( '@stdlib/random-base-randu' );
var ceil = require( '@stdlib/math-base-special-ceil' );
var x;
var i;
for ( i = 0; i < 100; i++ ) {
x = (randu()*100.0) - 50.0;
console.log( 'ceil(%d) = %d', x, ceil( x ) );
}C APIs
Installation
npm install @stdlib/math-base-special-ceilUsage
#include "stdlib/math/base/special/ceil.h"stdlib_base_ceil( x )
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 );Examples
#include "stdlib/math/base/special/ceil.h"
#include <stdio.h>
int main() {
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 );
}
}Notice
This package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.
For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.
License
See LICENSE.
Copyright
Copyright © 2016-2021. The Stdlib Authors.