feat: add constants/float32/ln-half

lib/node_modules/@stdlib/constants/float32/ln-half/README.md

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+<!--
+
+@license Apache-2.0
+
+Copyright (c) 2024 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.
+
+-->
+
+# FLOAT32_LN_HALF
+
+> [Natural logarithm][@stdlib/math/base/special/lnf] of `1/2` as a single-precision floating-point number.
+
+<section class="usage">
+
+## Usage
+
+```javascript
+var FLOAT32_LN_HALF = require( '@stdlib/constants/float32/ln-half' );
+```
+
+#### FLOAT32_LN_HALF
+
+[Natural logarithm][@stdlib/math/base/special/lnf] of `1/2` as a single-precision floating-point number.
+
+```javascript
+var bool = ( FLOAT32_LN_HALF === -0.6931471824645996 );
+// returns true
+```
+
+</section>
+
+<!-- /.usage -->
+
+<section class="examples">
+
+## Examples
+
+<!-- TODO: better example -->
+
+<!-- eslint no-undef: "error" -->
+
+```javascript
+var FLOAT32_LN_HALF = require( '@stdlib/constants/float32/ln-half' );
+
+console.log( FLOAT32_LN_HALF );
+// => -0.6931471824645996
+```
+
+</section>
+
+<!-- /.examples -->
+
+<!-- C interface documentation. -->
+
+* * *
+
+<section class="c">
+
+## C APIs
+
+<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->
+
+<section class="intro">
+
+</section>
+
+<!-- /.intro -->
+
+<!-- C usage documentation. -->
+
+<section class="usage">
+
+### Usage
+
+```c
+#include "stdlib/constants/float32/ln_half.h"
+```
+
+#### STDLIB_CONSTANT_FLOAT32_LN_HALF
+
+Macro for the [natural logarithm][@stdlib/math/base/special/lnf] of `1/2` as a single-precision floating-point number.
+
+</section>
+
+<!-- /.usage -->
+
+<!-- C API usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="notes">
+
+</section>
+
+<!-- /.notes -->
+
+<!-- C API usage examples. -->
+
+<section class="examples">
+
+</section>
+
+<!-- /.examples -->
+
+</section>
+
+<!-- /.c -->
+
+<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
+
+<section class="related">
+
+</section>
+
+<!-- /.related -->
+
+<!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="links">
+
+[@stdlib/math/base/special/lnf]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/ln
+
+</section>
+
+<!-- /.links -->

lib/node_modules/@stdlib/constants/float32/ln-half/docs/repl.txt

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+
+{{alias}}
+    Natural logarithm of `1/2` as a single-precision floating-point number.
+
+    Examples
+    --------
+    > {{alias}}
+    -0.6931471824645996
+
+    See Also
+    --------
+

lib/node_modules/@stdlib/constants/float32/ln-half/docs/types/index.d.ts

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+/*
+* @license Apache-2.0
+*
+* Copyright (c) 2024 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.
+*/
+
+// TypeScript Version: 4.1
+
+/**
+* Natural logarithm of `1/2` as a single-precision floating-point number.
+*
+* @example
+* var val = FLOAT32_LN_HALF;
+* // returns -0.6931471824645996
+*/
+declare const FLOAT32_LN_HALF: number;
+
+
+// EXPORTS //
+
+export = FLOAT32_LN_HALF;

lib/node_modules/@stdlib/constants/float32/ln-half/docs/types/test.ts

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+/*
+* @license Apache-2.0
+*
+* Copyright (c) 2024 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.
+*/
+
+import FLOAT32_LN_HALF = require( './index' );
+
+
+// TESTS //
+
+// The export is a number...
+{
+	// eslint-disable-next-line @typescript-eslint/no-unused-expressions
+	FLOAT32_LN_HALF; // $ExpectType number
+}

lib/node_modules/@stdlib/constants/float32/ln-half/examples/index.js

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+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 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';
+
+var FLOAT32_LN_HALF = require( './../lib' );
+
+console.log( FLOAT32_LN_HALF );
+// => -0.6931471824645996

lib/node_modules/@stdlib/constants/float32/ln-half/include/stdlib/constants/float32/ln_half.h

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+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 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.
+*/
+
+#ifndef STDLIB_CONSTANTS_FLOAT32_LN_HALF_H
+#define STDLIB_CONSTANTS_FLOAT32_LN_HALF_H
+
+/**
+* Macro for the natural logarithm of 1/2 as a single-precision floating-point number.
+*/
+#define STDLIB_CONSTANT_FLOAT32_LN_HALF -0.6931471824645996f
+
+#endif // !STDLIB_CONSTANTS_FLOAT32_LN_HALF_H

lib/node_modules/@stdlib/constants/float32/ln-half/lib/index.js

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+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 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';
+
+/**
+* Natural logarithm of `1/2` as a single-precision floating-point number.
+*
+* @module @stdlib/constants/float32/ln-half
+* @type {number}
+*
+* @example
+* var LN_HALF = require( '@stdlib/constants/float32/ln-half' );
+* // returns -0.6931471824645996
+*/
+
+// MODULES //
+
+var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
+
+
+// MAIN //
+
+/**
+* Natural logarithm of `1/2` as a single-precision floating-point number.
+*
+* ```tex
+* \ln (1/2)
+* ```
+*
+* @constant
+* @type {number}
+* @default -0.6931471824645996
+*/
+var FLOAT32_LN_HALF = float64ToFloat32(-0.69314718055994530941723212145817656807550013436025525412); // eslint-disable-line max-len
+
+
+// EXPORTS //
+
+module.exports = FLOAT32_LN_HALF;

lib/node_modules/@stdlib/constants/float32/ln-half/manifest.json

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+{
+  "options": {},
+  "fields": [
+    {
+      "field": "src",
+      "resolve": true,
+      "relative": true
+    },
+    {
+      "field": "include",
+      "resolve": true,
+      "relative": true
+    },
+    {
+      "field": "libraries",
+      "resolve": false,
+      "relative": false
+    },
+    {
+      "field": "libpath",
+      "resolve": true,
+      "relative": false
+    }
+  ],
+  "confs": [
+    {
+      "src": [],
+      "include": [
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+      "libpath": [],
+      "dependencies": []
+    }
+  ]
+}