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 75x 75x 12x 12x 75x 12x 12x 75x 12x 12x 75x 4x 4x 75x 2x 2x 33x 75x 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 isNonNegativeInteger = require( '@stdlib/assert/is-nonnegative-integer' ).isPrimitive;
var format = require( '@stdlib/string/format' );
// MAIN //
/**
* Validates parameters.
*
* @private
* @param {NonNegativeInteger} N - population size
* @param {NonNegativeInteger} K - subpopulation size
* @param {NonNegativeInteger} n - number of draws
* @returns {(Error|null)} error or null
*
* @example
* var err = validate( 1, 2, 3 );
* if ( err ) {
* throw err;
* }
*/
function validate( N, K, n ) {
if ( !isNonNegativeInteger( N ) ) {
return new TypeError( format( 'invalid argument. First argument must be a nonnegative integer. Value: `%s`.', N ) );
}
if ( !isNonNegativeInteger( K ) ) {
return new TypeError( format( 'invalid argument. Second argument must be a nonnegative integer. Value: `%s`.', K ) );
}
if ( !isNonNegativeInteger( n ) ) {
return new TypeError( format( 'invalid argument. Third argument must be a nonnegative integer. Value: `%s`.', n ) );
}
if ( n > N ) {
return new RangeError( format( 'invalid argument. Third argument must be less than or equal to the first argument. Value: `%u`.', n ) );
}
if ( K > N ) {
return new RangeError( format( 'invalid argument. Second argument must be less than or equal to the first argument. Value: `%u`.', K ) );
}
return null;
}
// EXPORTS //
module.exports = validate;
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