refactor: fix JS implementation

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type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
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    status: passed
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  - task: lint_javascript_src
    status: passed
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---

Author: anandkaranubc

lib/node_modules/@stdlib/math/base/special/kernel-log1pf/lib/index.js

@@ -19,7 +19,7 @@
 'use strict';
 
 /**
-* Compute `logf(1+f) - f` for `1+f` in `~[sqrtf(2)/2, sqrtf(2)]`.
+* Compute `log(1+f) - f` for `1+f` in `~[sqrt(2)/2, sqrt(2)]` as a single-precision floating-point number.
 *
 * @module @stdlib/math/base/special/kernel-log1pf
 *

lib/node_modules/@stdlib/math/base/special/kernel-log1pf/lib/main.js

@@ -18,7 +18,7 @@
 *
 * ## Notice
 *
-* The following copyright and license were part of the original implementation available as part of [FreeBSD]{@link https://svnweb.freebsd.org/base/release/12.2.0/lib/msun/src/k_log.h}. The implementation follows the original, but has been modified for JavaScript.
+* The following copyright and license were part of the original implementation available as part of [FreeBSD]{@link https://svnweb.freebsd.org/base/release/12.2.0/lib/msun/src/k_logf.h}. The implementation follows the original, but has been modified for JavaScript.
 *
 * ```text
 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
@@ -34,15 +34,21 @@
 
 // MODULES //
 
-var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
+var f32 = require( '@stdlib/number/float64/base/to-float32' );
 var polyvalP = require( './polyval_p.js' );
 var polyvalQ = require( './polyval_q.js' );
 
 
+// VARIABLES //
+
+var HALF = f32( 0.5 );
+var TWO = f32( 2.0 );
+
+
 // MAIN //
 
 /**
-* Computes `logf(1+f) - f` for `1+f` in `~[sqrtf(2)/2, sqrtf(2)]`.
+* Computes `log(1+f) - f` for `1+f` in `~[sqrt(2)/2, sqrt(2)]` as a single-precision floating-point number.
 *
 * ## Method
 *
@@ -125,7 +131,7 @@ var polyvalQ = require( './polyval_q.js' );
 * // returns ~0.1931
 *
 * @example
-* var v = kernelLog1pf( 1.4142135 );
+* var v = kernelLog1pf( 1.4142135381698608 );
 * // returns ~0.4672
 *
 * @example
@@ -141,14 +147,15 @@ function kernelLog1pf( f ) {
 	var R;
 	var w;
 
-	s = float64ToFloat32( f / float64ToFloat32( 2.0 + f ) );
-	z = float64ToFloat32( s * s );
-	w = float64ToFloat32( z * z );
-	t1 = float64ToFloat32( w * polyvalP( w ) );
-	t2 = float64ToFloat32( z * polyvalQ( w ) );
-	R = float64ToFloat32( t2 + t1 );
-	hfsq = float64ToFloat32( 0.5 * float64ToFloat32( f * f ) );
-	return float64ToFloat32( s * float64ToFloat32( hfsq + R ) );
+	f = f32( f );
+	s = f32( f / f32( TWO + f ) );
+	z = f32( s * s );
+	w = f32( z * z );
+	t1 = f32( w * polyvalP( w ) );
+	t2 = f32( z * polyvalQ( w ) );
+	R = f32( t2 + t1 );
+	hfsq = f32( HALF * f32( f * f ) );
+	return f32( s * f32( hfsq + R ) );
 }
 
 

lib/node_modules/@stdlib/math/base/special/kernel-log1pf/lib/native.js

@@ -26,7 +26,7 @@ var addon = require( './../src/addon.node' );
 // MAIN //
 
 /**
-* Computes `logf(1+f) - f` for `1+f` in `~[sqrtf(2)/2, sqrtf(2)]`.
+* Computes `log(1+f) - f` for `1+f` in `~[sqrt(2)/2, sqrt(2)]` as a single-precision floating-point number.
 *
 * @private
 * @param {number} f - input value
@@ -37,7 +37,7 @@ var addon = require( './../src/addon.node' );
 * // returns ~0.1931
 *
 * @example
-* var v = kernelLog1pf( 1.4142135 );
+* var v = kernelLog1pf( 1.4142135381698608 );
 * // returns ~0.4672
 *
 * @example

lib/node_modules/@stdlib/math/base/special/kernel-log1pf/lib/polyval_p.js

@@ -19,6 +19,11 @@
 /* This is a generated file. Do not edit directly. */
 'use strict';
 
+// MODULES //
+
+var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
+
+
 // MAIN //
 
 /**
@@ -36,9 +41,9 @@
 */
 function evalpoly( x ) {
 	if ( x === 0.0 ) {
-		return 0.40000972152;
+		return 0.40000972151756287;
 	}
-	return 0.40000972152 + (x * 0.24279078841);
+	return float64ToFloat32(0.40000972151756287 + float64ToFloat32(x * 0.24279078841209412)); // eslint-disable-line max-len
 }
 
 

lib/node_modules/@stdlib/math/base/special/kernel-log1pf/lib/polyval_q.js

@@ -19,6 +19,11 @@
 /* This is a generated file. Do not edit directly. */
 'use strict';
 
+// MODULES //
+
+var float64ToFloat32 = require( '@stdlib/number/float64/base/to-float32' );
+
+
 // MAIN //
 
 /**
@@ -36,9 +41,9 @@
 */
 function evalpoly( x ) {
 	if ( x === 0.0 ) {
-		return 0.66666662693;
+		return 0.6666666269302368;
 	}
-	return 0.66666662693 + (x * 0.28498786688);
+	return float64ToFloat32(0.6666666269302368 + float64ToFloat32(x * 0.2849878668785095)); // eslint-disable-line max-len
 }
 
 

lib/node_modules/@stdlib/math/base/special/kernel-log1pf/scripts/evalpoly.js

@@ -27,12 +27,12 @@ var resolve = require( 'path' ).resolve;
 var readFileSync = require( '@stdlib/fs/read-file' ).sync;
 var writeFileSync = require( '@stdlib/fs/write-file' ).sync;
 var currentYear = require( '@stdlib/time/current-year' );
-var substringBefore = require( '@stdlib/string/substring-before' );
-var substringAfter = require( '@stdlib/string/substring-after' );
-var format = require( '@stdlib/string/format' );
 var licenseHeader = require( '@stdlib/_tools/licenses/header' );
 var compile = require( '@stdlib/math/base/tools/evalpoly-compile' );
 var compileC = require( '@stdlib/math/base/tools/evalpoly-compile-c' );
+var substringBefore = require( '@stdlib/string/substring-before' );
+var substringAfter = require( '@stdlib/string/substring-after' );
+var format = require( '@stdlib/string/format' );
 
 
 // VARIABLES //
@@ -97,15 +97,16 @@ function main() {
 	var str;
 
 	opts = {
+		'dtype': 'float32',
 		'encoding': 'utf8'
 	};
 
 	fpath = resolve( __dirname, '..', 'lib', 'polyval_p.js' );
-	str = header + compile( P );
+	str = header + compile( P, opts );
 	writeFileSync( fpath, str, opts );
 
 	fpath = resolve( __dirname, '..', 'lib', 'polyval_q.js' );
-	str = header + compile( Q );
+	str = header + compile( Q, opts );
 	writeFileSync( fpath, str, opts );
 
 	copts = {