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https://github.com/fluencelabs/wasm-bindgen
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Add asin to Math
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@ -258,6 +258,14 @@ extern {
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#[wasm_bindgen(static_method_of = Math)]
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pub fn acosh(number: i32) -> Number;
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/// The Math.asin() function returns the arcsine (in radians) of a
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/// number, that is ∀x ∊ [-1;1]
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/// Math.asin(x) = arcsin(x) = the unique y∊[-π2;π2] such that sin(y) = x
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///
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/// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/asin
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#[wasm_bindgen(static_method_of = Math)]
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pub fn asin(number: i32) -> Number;
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}
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// Number.
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@ -82,3 +82,29 @@ fn acosh() {
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"#)
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.test()
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}
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#[test]
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fn asin() {
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project()
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.file("src/lib.rs", r#"
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#![feature(proc_macro, wasm_custom_section)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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use wasm_bindgen::js;
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#[wasm_bindgen]
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pub fn asin(opposite: i32, hypotenuse: i32) -> js::Number {
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js::Math::asin(opposite / hypotenuse)
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}
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"#)
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.file("test.ts", r#"
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import * as assert from "assert";
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import * as wasm from "./out";
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export function test() {
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assert.equal(wasm.asin(1, 1), Math.asin(1));
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}
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"#)
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.test()
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}
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