Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 20004x 20004x 20004x 20004x 2x 2x 2x 2x 2x | /**
* @license Apache-2.0
*
* Copyright (c) 2018 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
// MODULES //
var assign = require( './assign.js' );
// VARIABLES //
var tmp = [ 0.0, 0.0, 0.0, 0.0 ];
// MAIN //
/**
* Compute the Jacobi elliptic function cn(u, m) of number u with modulus m.
*
* @param {number} u - input value
* @param {number} m - modulus `m`, equivalent to `k²`
* @returns {number} cn(u, m)
*
* @example
* var cn = require( '@stdlib/math/base/special/ellipj' ).cn;
*
* var v = cn( 0.3, 0.5 );
* // returns ~0.956
*
* v = cn( 0.0, 0.0 );
* // returns ~1.0
*
* v = cn( Infinity, 1.0 );
* // returns ~0.0
*
* v = cn( 0.0, -2.0 );
* // returns ~1.0
*
* v = cn( NaN, NaN );
* // returns NaN
*/
function cn( u, m ) {
assign( u, m, tmp, 1, 0 );
return tmp[ 1 ];
}
// EXPORTS //
module.exports = cn;
|