From a8ae3731c47d884be4d21ee4461bdee3950bb4c4 Mon Sep 17 00:00:00 2001
From: Ujjwal Verma <ujjwalverma010305@gmail.com>
Date: Fri, 7 Aug 2026 14:52:31 +0530
Subject: [PATCH 1/2] test: add test.native.js to math/base/special/log1pmx

---
 .../base/special/log1pmx/test/test.native.js  | 95 +++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 lib/node_modules/@stdlib/math/base/special/log1pmx/test/test.native.js

diff --git a/lib/node_modules/@stdlib/math/base/special/log1pmx/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/log1pmx/test/test.native.js
new file mode 100644
index 000000000000..a0625acbf7e7
--- /dev/null
+++ b/lib/node_modules/@stdlib/math/base/special/log1pmx/test/test.native.js
@@ -0,0 +1,95 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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 resolve = require( 'path' ).resolve;
+var tape = require( 'tape' );
+var linspace = require( '@stdlib/array/linspace' );
+var isAlmostSameValue = require( '@stdlib/assert/is-almost-same-value' );
+var EPS = require( '@stdlib/constants/float64/eps' );
+var isnan = require( '@stdlib/math/base/assert/is-nan' );
+var ln = require( '@stdlib/math/base/special/ln' );
+var log1p = require( '@stdlib/math/base/special/log1p' );
+var pow = require( '@stdlib/math/base/special/pow' );
+var tryRequire = require( '@stdlib/utils/try-require' );
+
+
+// VARIABLES //
+
+var log1pmx = tryRequire( resolve( __dirname, './../lib/native.js' ) );
+var opts = {
+	'skip': ( log1pmx instanceof Error )
+};
+
+
+// TESTS //
+
+tape( 'main export is a function', opts, function test( t ) {
+	t.ok( true, __filename );
+	t.strictEqual( typeof log1pmx, 'function', 'main export is a function' );
+	t.end();
+});
+
+tape( 'the function returns `NaN` if input is less than or equal to -1', opts, function test( t ) {
+	var values = linspace( -1.0, -50.0, 100 );
+	var i;
+	for ( i = 0; i < values.length; i++ ) {
+		t.strictEqual( isnan( log1pmx( values[ i ] ) ), true, 'returns expected value' );
+	}
+	t.end();
+});
+
+tape( 'the function computes ln(1+x) - x if |x| > 0.95', opts, function test( t ) {
+	var values = linspace( 0.951, 100.0, 100 );
+	var i;
+	for ( i = 0; i < values.length; i++ ) {
+		t.strictEqual( log1pmx( values[i] ), ln( 1.0 + values[i] ) - values[i], 'returns expected value' );
+	}
+	t.end();
+});
+
+tape( 'the function returns -x*x/2 if |x| < FLOAT_EPS', opts, function test( t ) {
+	var values = [ 0.0, EPS / 2.0 ];
+	var i;
+	for ( i = 0; i < values.length; i++ ) {
+		t.strictEqual( log1pmx( values[i] ), -pow( values[i], 2 ) / 2.0, 'returns expected value' );
+	}
+	t.end();
+});
+
+tape( 'the function returns a Taylor series expansion otherwise', opts, function test( t ) {
+	var expected;
+	var values;
+	var actual;
+	var i;
+
+	values = linspace( 0.1, 0.95, 100 );
+	for ( i = 0; i < values.length; i++ ) {
+		actual = log1pmx( values[ i ] );
+		expected = log1p( values[ i ] ) - values[ i ];
+		if ( actual === expected ) {
+			t.strictEqual( actual, expected, 'returns '+expected+' when provided '+values[ i ] );
+		} else {
+			t.strictEqual( isAlmostSameValue( actual, expected, 9 ), true, 'returns expected value' );
+		}
+	}
+	t.end();
+});

From c75cef820bfee7067f1e264529652ce2d396ec27 Mon Sep 17 00:00:00 2001
From: stdlib-bot <82920195+stdlib-bot@users.noreply.github.com>
Date: Fri, 7 Aug 2026 10:16:51 +0000
Subject: [PATCH 2/2] chore: update copyright years

---
 .../@stdlib/math/base/special/log1pmx/test/test.native.js       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/node_modules/@stdlib/math/base/special/log1pmx/test/test.native.js b/lib/node_modules/@stdlib/math/base/special/log1pmx/test/test.native.js
index a0625acbf7e7..6778b1ca9c3e 100644
--- a/lib/node_modules/@stdlib/math/base/special/log1pmx/test/test.native.js
+++ b/lib/node_modules/@stdlib/math/base/special/log1pmx/test/test.native.js
@@ -1,7 +1,7 @@
 /**
 * @license Apache-2.0
 *
-* Copyright (c) 2025 The Stdlib Authors.
+* Copyright (c) 2026 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.