Corrected error when dividing 0 by any number and when specifying a number of significant digits.

Bump to version 0.1.7.

Author: quentinadam

Decimal.test.ts

@@ -294,12 +294,19 @@ Deno.test('div', () => {
     { a: Decimal.from(1000), b: Decimal.from(0.2), success: true, output: Decimal.from(5000) },
     { a: Decimal.from(1), b: Decimal.from(8), success: true, output: Decimal.from(0.125) },
     { a: Decimal.from(141), b: Decimal.from(376), success: true, output: Decimal.from(0.375) },
+    { a: Decimal.from(0), b: Decimal.from(2), success: true, output: Decimal.from(0) },
+    { a: Decimal.from(0), b: Decimal.from(3), success: true, output: Decimal.from(0) },
+    { a: Decimal.from(0), b: Decimal.from(3), significantDigits: 2, success: true, output: Decimal.from(0) },
+    { a: Decimal.from(1), b: Decimal.from(4), significantDigits: 1, success: true, output: Decimal.from(0.3) },
+    { a: Decimal.from(1), b: Decimal.from(4), significantDigits: 2, success: true, output: Decimal.from(0.25) },
     { a: Decimal.from(1), b: Decimal.from(3), success: false },
     { a: Decimal.from(1000), b: Decimal.from(30), success: false },
     { a: Decimal.from(1), b: Decimal.from(3), significantDigits: 1, success: true, output: Decimal.from(0.3) },
     { a: Decimal.from(1), b: Decimal.from(3), significantDigits: 2, success: true, output: Decimal.from(0.33) },
+    { a: Decimal.from(100), b: Decimal.from(3), significantDigits: 2, success: true, output: Decimal.from(33) },
     { a: Decimal.from(1), b: Decimal.from(6), significantDigits: 1, success: true, output: Decimal.from(0.2) },
     { a: Decimal.from(1), b: Decimal.from(6), significantDigits: 2, success: true, output: Decimal.from(0.17) },
+    { a: Decimal.from(100), b: Decimal.from(6), significantDigits: 2, success: true, output: Decimal.from(17) },
   ];
   for (const vector of vectors) {
     const { a, b, significantDigits } = vector;

Decimal.ts

@@ -112,7 +112,10 @@ export default class Decimal {
    */
   div(value: DecimalType, significantDigits?: number): Decimal {
     value = Decimal.from(value);
-    assert(value.neq0(), `Division by zero`);
+    assert(value.neq0(), 'Division by zero');
+    if (this.eq0()) {
+      return Decimal.zero;
+    }
     if (this.lt0()) {
       return this.neg().div(value, significantDigits).neg();
     }

deno.json

@@ -1,6 +1,6 @@
 {
   "name": "@quentinadam/decimal",
-  "version": "0.1.6",
+  "version": "0.1.7",
   "license": "MIT",
   "exports": "./Decimal.ts",
   "imports": {