@phensley/decimal - npm Package Compare versions

Comparing version 0.11.0-alpha.0 to 0.11.1-alpha.0

lib-es/decimal.d.ts

@@ -7,2 +7,7 @@ import { NumberOperands } from './operands';
 export declare const coerceDecimal: (n: DecimalArg) => Decimal;
+export interface DecimalParts {
+    data: number[];
+    sign: number;
+    exp: number;
+}
 /**
@@ -17,3 +22,3 @@ * Arbitrary precision decimal type.
     protected exp: number;
-    constructor(num: DecimalArg);
+    constructor(num: DecimalArg | DecimalParts);
     /**
@@ -91,2 +96,7 @@ * Compare decimal u to v, returning the following:
     /**
+     * Return a scientific representation of the number,
+     * Decimal coefficient and adjusted exponent.
+     */
+    scientific(minIntDigits?: number): [Decimal, number];
+    /**
      * Number of digits in the unscaled value.
@@ -93,0 +103,0 @@ */

lib-es/decimal.js

@@ -56,3 +56,3 @@ import { add, divide, multiply, subtract, trimLeadingZeros, DivMod } from './math';
         }
-        else {
+        else if (num instanceof Decimal) {
             this.data = num.data.slice();
@@ -62,2 +62,7 @@ this.sign = num.sign;
         }
+        else {
+            this.data = num.data;
+            this.sign = num.sign;
+            this.exp = num.exp;
+        }
     }
@@ -328,2 +333,21 @@ /**
     /**
+     * Return a scientific representation of the number,
+     * Decimal coefficient and adjusted exponent.
+     */
+    Decimal.prototype.scientific = function (minIntDigits) {
+        if (minIntDigits === void 0) { minIntDigits = 1; }
+        minIntDigits = minIntDigits <= 1 ? 1 : minIntDigits;
+        var exp = -(this.precision() - 1) + (minIntDigits - 1);
+        var coeff = new Decimal({
+            data: this.data,
+            sign: this.sign,
+            // removed signed-ness from zero
+            exp: exp === 0 ? 0 : exp
+        });
+        return [
+            coeff,
+            this.exp - coeff.exp
+        ];
+    };
+    /**
      * Number of digits in the unscaled value.
@@ -600,4 +624,4 @@ */
     Decimal.prototype._shiftright = function (shift, mode) {
+        var _a, _b, _c;
         if (mode === void 0) { mode = 'half-even'; }
-        var _a, _b, _c;
         if (shift <= 0) {
@@ -604,0 +628,0 @@ return;

lib-es/math.d.ts

@@ -50,2 +50,2 @@ /**
  */
-export declare const divword: (d: number[], n: number, div: number) => number[];
+export declare const divword: (_d: number[], n: number, div: number) => number[];

lib-es/math.js

@@ -285,3 +285,3 @@ import { POWERS10 } from './types';
  */
-export var divword = function (d, n, div) {
+export var divword = function (_d, n, div) {
     var q = (n / div) | 0;
@@ -288,0 +288,0 @@ var r = n - q * div;

lib/decimal.d.ts

@@ -7,2 +7,7 @@ import { NumberOperands } from './operands';
 export declare const coerceDecimal: (n: DecimalArg) => Decimal;
+export interface DecimalParts {
+    data: number[];
+    sign: number;
+    exp: number;
+}
 /**
@@ -17,3 +22,3 @@ * Arbitrary precision decimal type.
     protected exp: number;
-    constructor(num: DecimalArg);
+    constructor(num: DecimalArg | DecimalParts);
     /**
@@ -91,2 +96,7 @@ * Compare decimal u to v, returning the following:
     /**
+     * Return a scientific representation of the number,
+     * Decimal coefficient and adjusted exponent.
+     */
+    scientific(minIntDigits?: number): [Decimal, number];
+    /**
      * Number of digits in the unscaled value.
@@ -93,0 +103,0 @@ */

lib/decimal.js

@@ -58,3 +58,3 @@ "use strict";
         }
-        else {
+        else if (num instanceof Decimal) {
             this.data = num.data.slice();
@@ -64,2 +64,7 @@ this.sign = num.sign;
         }
+        else {
+            this.data = num.data;
+            this.sign = num.sign;
+            this.exp = num.exp;
+        }
     }
@@ -330,2 +335,21 @@ /**
     /**
+     * Return a scientific representation of the number,
+     * Decimal coefficient and adjusted exponent.
+     */
+    Decimal.prototype.scientific = function (minIntDigits) {
+        if (minIntDigits === void 0) { minIntDigits = 1; }
+        minIntDigits = minIntDigits <= 1 ? 1 : minIntDigits;
+        var exp = -(this.precision() - 1) + (minIntDigits - 1);
+        var coeff = new Decimal({
+            data: this.data,
+            sign: this.sign,
+            // removed signed-ness from zero
+            exp: exp === 0 ? 0 : exp
+        });
+        return [
+            coeff,
+            this.exp - coeff.exp
+        ];
+    };
+    /**
      * Number of digits in the unscaled value.
@@ -602,4 +626,4 @@ */
     Decimal.prototype._shiftright = function (shift, mode) {
+        var _a, _b, _c;
         if (mode === void 0) { mode = 'half-even'; }
-        var _a, _b, _c;
         if (shift <= 0) {
@@ -606,0 +630,0 @@ return;

lib/math.d.ts

@@ -50,2 +50,2 @@ /**
  */
-export declare const divword: (d: number[], n: number, div: number) => number[];
+export declare const divword: (_d: number[], n: number, div: number) => number[];

lib/math.js

@@ -287,3 +287,3 @@ "use strict";
  */
-exports.divword = function (d, n, div) {
+exports.divword = function (_d, n, div) {
     var q = (n / div) | 0;
@@ -290,0 +290,0 @@ var r = n - q * div;

package.json

 {
   "name": "@phensley/decimal",
-  "version": "0.11.0-alpha.0",
+  "version": "0.11.1-alpha.0",
   "description": "Arbitrary precision decimal math",
@@ -21,9 +21,9 @@ "main": "lib/index.js",
     "build": "yarn build:cj && yarn build:es",
-    "build:cj": "tsc -p ./tsconfig.build.json",
-    "build:es": "tsc -p ./tsconfig.build.json --module esnext --outDir lib-es",
-    "build:watch": "tsc -p ./tsconfig.build.json -w --preserveWatchOutput",
+    "build:cj": "tsc -p ./tsconfig.json",
+    "build:es": "tsc -p ./tsconfig.json --module esnext --outDir lib-es",
+    "build:watch": "tsc -p ./tsconfig.json -w --preserveWatchOutput",
     "clean": "rimraf ./lib ./lib-es ./.scratch",
     "clean:full": "yarn clean && rimraf ./node_modules",
     "coverage": "jest --coverage --runInBand --no-cache --coverageReporters=html",
-    "lint": "tslint -p ./tsconfig.json",
+    "lint": "tslint -p ./tsconfig.lint.json",
     "prepublish": "yarn build",
@@ -62,3 +62,3 @@ "test:watch": "jest --watch --coverage --coverageReporters=html"
   },
-  "gitHead": "6028ef476aa9d9570d9ec52bdf53138341fcd8df"
+  "gitHead": "13828e2aa75ca7640d5e4bdef6b42d6723addd6f"
 }

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Improved metrics

Total package byte prevSize

228706

increased by1.57%

Lines of code

3965

increased by1.74%

No dependency changes