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 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 29x 4x 4x 29x 9x 9x 29x 12x 12x 29x 4x 4x 16x 16x 29x 6x 1x 1x 1x 1x 1x | /**
* @license Apache-2.0
*
* Copyright (c) 2025 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 PINF = require( '@stdlib/constants/float64/pinf' );
var NINF = require( '@stdlib/constants/float64/ninf' );
var isnan = require( '@stdlib/math/base/assert/is-nan' );
// MAIN //
/**
* Returns an accumulator function which incrementally computes a range while ignoring NaN values.
*
* @returns {Function} accumulator function
*
* @example
* var accumulator = incrnanrange();
*
* var range = accumulator();
* // returns null
*
* range = accumulator( 3.14 );
* // returns 0.0
*
* range = accumulator( NaN );
* // returns 0.0
*
* range = accumulator( -5.0 );
* // returns 8.14
*
* range = accumulator( 10.1 );
* // returns 15.1
*
* range = accumulator();
* // returns 15.1
*/
function incrnanrange() {
var range;
var max = NINF;
var min = PINF;
return accumulator;
/**
* If provided a value, the accumulator function returns an updated range while ignoring NaN values. If not provided a value, the accumulator function returns the current range.
*
* @private
* @param {number} [x] - new value
* @returns {(number|null)} range or null
*/
function accumulator( x ) {
if ( arguments.length === 0 ) {
return ( range === void 0 ) ? null : range;
}
if ( isnan( x ) ) {
return range;
}
if ( x > max ) {
max = x;
}
if ( x < min ) {
min = x;
}
range = max - min;
return range;
}
}
// EXPORTS //
module.exports = incrnanrange;
|