Add cube root (cbrt) to Math

This commit is contained in:
Jonathan Sundqvist 2018-06-25 22:35:55 +02:00
parent 5eb744c7d6
commit 2de2a815d5
2 changed files with 34 additions and 0 deletions

View File

@ -294,6 +294,14 @@ extern {
#[wasm_bindgen(static_method_of = Math)]
pub fn atanh(x: i32) -> Number;
/// The Math.cbrt() function returns the cube root of a number, that is
/// Math.cbrt(x) = x^3 = the unique y such that y^3 = x
///
/// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/cbrt
#[wasm_bindgen(static_method_of = Math)]
pub fn cbrt(x: i32) -> Number;
}
// Number.

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@ -212,3 +212,29 @@ fn atanh() {
"#)
.test()
}
#[test]
fn cbrt() {
project()
.file("src/lib.rs", r#"
#![feature(proc_macro, wasm_custom_section)]
extern crate wasm_bindgen;
use wasm_bindgen::prelude::*;
use wasm_bindgen::js;
#[wasm_bindgen]
pub fn cbrt(x: i32) -> js::Number {
js::Math::cbrt(x)
}
"#)
.file("test.ts", r#"
import * as assert from "assert";
import * as wasm from "./out";
export function test() {
assert.equal(wasm.cbrt(27), 3);
}
"#)
.test()
}