72 lines
1.3 KiB
Markdown
72 lines
1.3 KiB
Markdown
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<!--
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@license Apache-2.0
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Copyright (c) 2018 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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# 1/4 times π
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> One fourth times the mathematical constant [π][pi].
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<section class="usage">
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## Usage
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```javascript
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var FOURTH_PI = require( '@stdlib/constants/float64/fourth-pi' );
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```
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#### FOURTH_PI
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One fourth times the mathematical constant [π][pi].
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```javascript
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var bool = ( FOURTH_PI === 7.85398163397448309616e-1 );
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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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<!-- TODO: better example -->
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<!-- eslint no-undef: "error" -->
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```javascript
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var FOURTH_PI = require( '@stdlib/constants/float64/fourth-pi' );
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console.log( FOURTH_PI );
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// => 7.85398163397448309616e-1
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```
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</section>
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<!-- /.examples -->
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<section class="links">
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[pi]: https://en.wikipedia.org/wiki/Pi
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</section>
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<!-- /.links -->
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