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feat: add constants/float32/max-safe-nth-lucas
PR-URL: #3337 Closes: #3336 Co-authored-by: Athan Reines <[email protected]> Reviewed-by: Athan Reines <[email protected]> Signed-off-by: Athan Reines <[email protected]>
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‎lib/node_modules/@stdlib/constants/float32/max-safe-nth-lucas/README.md‎

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<!--
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@license Apache-2.0
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Copyright (c) 2024 The Stdlib Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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# FLOAT32_MAX_SAFE_NTH_LUCAS
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> Maximum safe nth [Lucas number][lucas-number] when stored in [single-precision floating-point][ieee754] format.
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<section class="usage">
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## Usage
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<!-- eslint-disable id-length -->
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```javascript
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var FLOAT32_MAX_SAFE_NTH_LUCAS = require( '@stdlib/constants/float32/max-safe-nth-lucas' );
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```
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#### FLOAT32_MAX_SAFE_NTH_LUCAS
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The maximum [safe][safe-integers] nth [Lucas number][lucas-number] when stored in [single-precision floating-point][ieee754] format.
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<!-- eslint-disable id-length -->
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```javascript
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var bool = ( FLOAT32_MAX_SAFE_NTH_LUCAS === 34 );
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// returns true
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```
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</section>
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<!-- /.usage -->
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<section class="examples">
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## Examples
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<!-- eslint-disable id-length -->
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<!-- eslint no-undef: "error" -->
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```javascript
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var FLOAT32_MAX_SAFE_NTH_LUCAS = require( '@stdlib/constants/float32/max-safe-nth-lucas' );
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function lucas( n ) {
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var a;
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var b;
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var c;
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var i;
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a = 2;
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if ( n === 0 ) {
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return a;
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}
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b = 1;
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for ( i = 2; i <= n; i++ ) {
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c = a + b;
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a = b;
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b = c;
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}
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return b;
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}
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var v;
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var i;
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for ( i = 0; i < 100; i++ ) {
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v = lucas( i );
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if ( i > FLOAT32_MAX_SAFE_NTH_LUCAS ) {
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console.log( 'Unsafe: %d', v );
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} else {
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console.log( 'Safe: %d', v );
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}
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}
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```
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</section>
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<!-- /.examples -->
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<!-- C interface documentation. -->
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* * *
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<section class="c">
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## C APIs
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<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->
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<section class="intro">
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</section>
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<!-- /.intro -->
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<!-- C usage documentation. -->
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<section class="usage">
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### Usage
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```c
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#include "stdlib/constants/float32/max_safe_nth_lucas.h"
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```
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#### STDLIB_CONSTANT_FLOAT32_MAX_SAFE_NTH_LUCAS
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Macro for the maximum [safe][safe-integers] nth [Lucas number][lucas-number] when stored in [single-precision floating-point][ieee754] format.
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</section>
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<!-- /.usage -->
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<!-- C API usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
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<section class="notes">
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</section>
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<!-- /.notes -->
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<!-- C API usage examples. -->
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<section class="examples">
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</section>
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<!-- /.examples -->
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</section>
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<!-- /.c -->
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<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
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<section class="related">
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</section>
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<!-- /.related -->
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<!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
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<section class="links">
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[safe-integers]: http://www.2ality.com/2013/10/safe-integers.html
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[lucas-number]: https://en.wikipedia.org/wiki/Lucas_number
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[ieee754]: https://en.wikipedia.org/wiki/IEEE_754-1985
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<!-- <related-links> -->
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<!-- </related-links> -->
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</section>
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<!-- /.links -->

‎lib/node_modules/@stdlib/constants/float32/max-safe-nth-lucas/docs/repl.txt‎

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{{alias}}
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Maximum safe nth Lucas number when stored in single-precision floating-point
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format.
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Examples
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--------
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> {{alias}}
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34
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See Also
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--------
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‎lib/node_modules/@stdlib/constants/float32/max-safe-nth-lucas/docs/types/index.d.ts‎

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/*
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* @license Apache-2.0
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*
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* Copyright (c) 2024 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// TypeScript Version: 4.1
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/**
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* Maximum safe nth Lucas number when stored in single-precision floating-point format.
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*
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* @example
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* var max = FLOAT32_MAX_SAFE_NTH_LUCAS;
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* // returns 34
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*/
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declare const FLOAT32_MAX_SAFE_NTH_LUCAS: number;
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// EXPORTS //
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export = FLOAT32_MAX_SAFE_NTH_LUCAS;

‎lib/node_modules/@stdlib/constants/float32/max-safe-nth-lucas/docs/types/test.ts‎

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/*
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* @license Apache-2.0
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*
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* Copyright (c) 2024 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import FLOAT32_MAX_SAFE_NTH_LUCAS = require( './index' );
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// TESTS //
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// The export is a number...
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{
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// eslint-disable-next-line @typescript-eslint/no-unused-expressions
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FLOAT32_MAX_SAFE_NTH_LUCAS; // $ExpectType number
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}

‎lib/node_modules/@stdlib/constants/float32/max-safe-nth-lucas/examples/index.js‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2024 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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var FLOAT32_MAX_SAFE_NTH_LUCAS = require( './../lib' ); // eslint-disable-line id-length
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function lucas( n ) {
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var a;
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var b;
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var c;
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var i;
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a = 2;
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if ( n === 0 ) {
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return a;
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}
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b = 1;
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for ( i = 2; i <= n; i++ ) {
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c = a + b;
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a = b;
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b = c;
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}
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return b;
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}
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var v;
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var i;
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for ( i = 0; i < 100; i++ ) {
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v = lucas( i );
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if ( i > FLOAT32_MAX_SAFE_NTH_LUCAS ) {
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console.log( 'Unsafe: %d', v );
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} else {
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console.log( 'Safe: %d', v );
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}
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}

‎lib/node_modules/@stdlib/constants/float32/max-safe-nth-lucas/include/stdlib/constants/float32/max_safe_nth_lucas.h‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2024 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef STDLIB_CONSTANTS_FLOAT32_MAX_SAFE_NTH_LUCAS_H
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#define STDLIB_CONSTANTS_FLOAT32_MAX_SAFE_NTH_LUCAS_H
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/**
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* Macro for the maximum safe nth Lucas number when stored in single-precision floating-point format.
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*/
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#define STDLIB_CONSTANT_FLOAT64_MAX_SAFE_NTH_LUCAS 34
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#endif // !STDLIB_CONSTANTS_FLOAT32_MAX_SAFE_NTH_LUCAS_H

‎lib/node_modules/@stdlib/constants/float32/max-safe-nth-lucas/lib/index.js‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2024 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* eslint-disable id-length */
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'use strict';
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/**
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* Maximum safe nth Lucas number when stored in single-precision floating-point format.
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*
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* @module @stdlib/constants/float32/max-safe-nth-lucas
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* @type {integer}
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*
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* @example
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* var FLOAT32_MAX_SAFE_NTH_LUCAS = require( '@stdlib/constants/float32/max-safe-nth-lucas' );
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* // returns 34
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*/
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// MAIN //
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/**
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* The maximum safe nth Lucas number when stored in single-precision floating-point format.
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*
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* @constant
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* @type {integer}
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* @default 34
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* @see [Lucas number]{@link https://en.wikipedia.org/wiki/Lucas_number}
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* @see [IEEE 754]{@link https://en.wikipedia.org/wiki/IEEE_754-1985}
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*/
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var FLOAT32_MAX_SAFE_NTH_LUCAS = 34|0; // asm type annotation
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// EXPORTS //
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module.exports = FLOAT32_MAX_SAFE_NTH_LUCAS;

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