From c29c80c6e3601b6fbdd68133764637cf98a23860 Mon Sep 17 00:00:00 2001
From: Michael Mclaughlin <M8ch88l@gmail.com>
Date: Tue, 22 Jun 2021 13:22:53 +0100
Subject: [PATCH] Support underscores as separators

---
 README.md    | 4 ++--
 decimal.js   | 7 +++++--
 decimal.mjs  | 5 ++++-
 doc/API.html | 1 +
 4 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index b7ed5a7..ebdc7d5 100644
--- a/README.md
+++ b/README.md
@@ -122,7 +122,7 @@ The methods that return a Decimal can be chained.
 
 ```js
 x.dividedBy(y).plus(z).times(9).floor()
-x.times('1.23456780123456789e+9').plus(9876.5432321).dividedBy('4444562598.111772').ceil()
+x.times('1.23456780123456789e+9').plus(9876.5432321).dividedBy('4_444_562_598.111772').ceil()
 ```
 
 Many method names have a shorter alias.
@@ -235,7 +235,7 @@ then
 npm run build
 ```
 
-will create *decimal.min.js*, and a source map will also be added to the *doc* directory.
+will create *decimal.min.js* and a source map.
 
 ## Licence
 
diff --git a/decimal.js b/decimal.js
index 2d1eb8a..403c81a 100644
--- a/decimal.js
+++ b/decimal.js
@@ -3596,8 +3596,11 @@
    */
   function parseOther(x, str) {
     var base, Ctor, divisor, i, isFloat, len, p, xd, xe;
-
-    if (str === 'Infinity' || str === 'NaN') {
+    
+    if (str.indexOf('_') > -1) {
+      str = str.replace(/(\d)_(?=\d)/g, '$1');
+      if (isDecimal.test(str)) return parseDecimal(x, str);
+    } else if (str === 'Infinity' || str === 'NaN') {
       if (!+str) x.s = NaN;
       x.e = NaN;
       x.d = null;
diff --git a/decimal.mjs b/decimal.mjs
index 6d03387..0921a28 100644
--- a/decimal.mjs
+++ b/decimal.mjs
@@ -3593,7 +3593,10 @@ function parseDecimal(x, str) {
 function parseOther(x, str) {
   var base, Ctor, divisor, i, isFloat, len, p, xd, xe;
 
-  if (str === 'Infinity' || str === 'NaN') {
+  if (str.indexOf('_') > -1) {
+    str = str.replace(/(\d)_(?=\d)/g, '$1');
+    if (isDecimal.test(str)) return parseDecimal(x, str);
+  } else if (str === 'Infinity' || str === 'NaN') {
     if (!+str) x.s = NaN;
     x.e = NaN;
     x.d = null;
diff --git a/doc/API.html b/doc/API.html
index 36b716e..51b3752 100644
--- a/doc/API.html
+++ b/doc/API.html
@@ -301,6 +301,7 @@ new Decimal('0xff.8')                    // '255.5'
 
 new Decimal(0.046875)                    // '0.046875'
 new Decimal('0.046875000000')            // '0.046875'
+new Decimal('0.046_875_000_000')         // '0.046875'
 
 new Decimal(4.6875e-2)                   // '0.046875'
 new Decimal('468.75e-4')                 // '0.046875'