feat(math): add minNonZero2/3()

thi-ng · Feb 23, 2020 · 49c88d9 · 49c88d9
1 parent 0567b93
commit 49c88d9
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diff --git a/packages/math/README.md b/packages/math/README.md
@@ -1,6 +1,6 @@
 <!-- This file is generated - DO NOT EDIT! -->
 
-# ![@thi.ng/math](https://media.thi.ng/umbrella/banners/thing-math.svg?1581297777)
+# ![@thi.ng/math](https://media.thi.ng/umbrella/banners/thing-math.svg?1582480837)
 
 [![npm version](https://img.shields.io/npm/v/@thi.ng/math.svg)](https://www.npmjs.com/package/@thi.ng/math)
 ![npm downloads](https://img.shields.io/npm/dm/@thi.ng/math.svg)
@@ -38,7 +38,7 @@ Partially ported from Clojure version of
 yarn add @thi.ng/math
 ```
 
-Package sizes (gzipped): ESM: 3.4KB / CJS: 3.9KB / UMD: 3.2KB
+Package sizes (gzipped): ESM: 3.5KB / CJS: 4.0KB / UMD: 3.3KB
 
 ## Dependencies
 

diff --git a/packages/math/src/interval.ts b/packages/math/src/interval.ts
@@ -121,6 +121,25 @@ export const max4id = (a: number, b: number, c: number, d: number) =>
         ? 2
         : 3;
 
+/**
+ * Returns the non-zero minimum value of the given `a`, `b` args.
+ *
+ * @param a
+ * @param b
+ */
+export const minNonZero2 = (a: number, b: number) =>
+    a !== 0 ? (b !== 0 ? Math.min(a, b) : a) : b;
+
+/**
+ * Returns the non-zero minimum value of the given `a`, `b`, `c` args.
+ *
+ * @param a
+ * @param b
+ * @param c
+ */
+export const minNonZero3 = (a: number, b: number, c: number) =>
+    minNonZero2(minNonZero2(a, b), c);
+
 /**
  * See `smax()`.
  *