From fa035c5dba88e06412ef0714142be5383a58e18d Mon Sep 17 00:00:00 2001
From: Jesse Alama <jesse@igalia.com>
Date: Tue, 7 May 2024 09:30:34 +0200
Subject: [PATCH] Allow construction from Numbers

---
 src/decimal128.mts        | 11 +----------
 tests/constructor.test.js | 12 ++++++------
 2 files changed, 7 insertions(+), 16 deletions(-)

diff --git a/src/decimal128.mts b/src/decimal128.mts
index 9ad9941..a3969d1 100644
--- a/src/decimal128.mts
+++ b/src/decimal128.mts
@@ -790,16 +790,7 @@ export class Decimal128 {
             ensureFullySpecifiedConstructorOptions(options);
 
         if ("number" === typeof n) {
-            if (!Number.isInteger(n)) {
-                throw new SyntaxError("Non-integer number not permitted");
-            }
-            if (!Number.isSafeInteger(n)) {
-                throw new RangeError(
-                    "Integer is too large to be exactly represented"
-                );
-            }
-
-            s = n.toString();
+            s = Object.is(n, -0) ? "-0" : n.toString();
         } else if ("bigint" === typeof n) {
             s = n.toString();
         } else {
diff --git a/tests/constructor.test.js b/tests/constructor.test.js
index 49690af..933b101 100644
--- a/tests/constructor.test.js
+++ b/tests/constructor.test.js
@@ -587,18 +587,18 @@ describe("number arguments", () => {
         expect(new Decimal128(42).toString()).toStrictEqual("42");
     });
     test("non-integer number", () => {
-        expect(() => new Decimal128(42.5)).toThrow(SyntaxError);
+        expect(new Decimal128(42.5).toString()).toStrictEqual("42.5");
     });
     test("NaN", () => {
-        expect(() => new Decimal128(NaN)).toThrow(SyntaxError);
+        expect(new Decimal128(NaN).toString()).toStrictEqual("NaN");
     });
     test("minus zero", () => {
-        expect(new Decimal128(-0).toString()).toStrictEqual("0");
+        expect(new Decimal128(-0).toString()).toStrictEqual("-0");
     });
-    test("too big", () => {
+    test("very large value gets approximated", () => {
         expect(
-            () => new Decimal128(123456789012345678901234567890123456789)
-        ).toThrow(RangeError);
+            new Decimal128(123456789012345678901234567890123456789).toString()
+        ).toStrictEqual("123456789012345680000000000000000000000");
     });
 });