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@stdlib/math-base-special-floor
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Round a double-precision floating-point number toward negative infinity.
We believe in a future in which the web is a preferred environment for numerical computation. To help realize this future, we've built stdlib. stdlib is a standard library, with an emphasis on numerical and scientific computation, written in JavaScript (and C) for execution in browsers and in Node.js.
The library is fully decomposable, being architected in such a way that you can swap out and mix and match APIs and functionality to cater to your exact preferences and use cases.
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Round a double-precision floating-point number toward negative infinity.
npm install @stdlib/math-base-special-floor
var floor = require( '@stdlib/math-base-special-floor' );
Rounds a double-precision floating-point number toward negative infinity.
var v = floor( -4.2 );
// returns -5.0
v = floor( 9.99999 );
// returns 9.0
v = floor( 0.0 );
// returns 0.0
v = floor( NaN );
// returns NaN
var randu = require( '@stdlib/random-base-randu' );
var floor = require( '@stdlib/math-base-special-floor' );
var x;
var i;
for ( i = 0; i < 100; i++ ) {
x = (randu()*100.0) - 50.0;
console.log( 'floor(%d) = %d', x, floor( x ) );
}
#include "stdlib/math/base/special/floor.h"
Rounds a double-precision floating-point number toward negative infinity.
double y = stdlib_base_floor( 3.14 );
// returns 3.0
The function accepts the following arguments:
[in] double
input value.double stdlib_base_floor( const double x );
#include "stdlib/math/base/special/floor.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_floor( x[ i ] );
printf( "floor(%lf) = %lf\n", x[ i ], y );
}
}
@stdlib/math-base/special/ceil
: round a double-precision floating-point number toward positive infinity.@stdlib/math-base/special/round
: round a numeric value to the nearest integer.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.
See LICENSE.
Copyright © 2016-2024. The Stdlib Authors.
0.2.3 (2024-07-27)
No changes reported for this release.
</section> <!-- /.release --> <section class="release" id="v0.2.2">FAQs
Round a double-precision floating-point number toward negative infinity.
The npm package @stdlib/math-base-special-floor receives a total of 59,919 weekly downloads. As such, @stdlib/math-base-special-floor popularity was classified as popular.
We found that @stdlib/math-base-special-floor demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 4 open source maintainers collaborating on the project.
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