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Updated kalk library README to include a JavaScript example, disabled wasm optimization, and created wasm build script

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PaddiM8 2020-12-31 01:47:09 +01:00
parent f81e1731b3
commit bf06c7789d
3 changed files with 16 additions and 4 deletions
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6
kalk/Cargo.toml
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@ -24,4 +24,8 @@ wasm-bindgen = "0.2.69"
wasm-bindgen-test = "0.3.19" wasm-bindgen-test = "0.3.19"
[features] [features]
default = ["rug"] default = ["rug"]
# Breaks when optimizing for some reason.
[package.metadata.wasm-pack.profile.release]
wasm-opt = false

13
kalk/README.md
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@ -17,7 +17,7 @@ f(a, 2)
* Syntax highlighting * Syntax highlighting
* Special-symbol completion on tab. Eg. write `sqrt` and press tab. It will be turned into `√`. * Special-symbol completion on tab. Eg. write `sqrt` and press tab. It will be turned into `√`.
## Usage ## Rust Usage
```rust ```rust
use kalk::parser; use kalk::parser;
let mut parser_context = parser::Context::new(); let mut parser_context = parser::Context::new();
@ -26,8 +26,15 @@ let result = parser::eval(&mut parser_context, "5*3", precision).unwrap().unwrap
assert_eq!(result.to_f64(), 15f64); assert_eq!(result.to_f64(), 15f64);
``` ```
## Using f64 instead of rug::Float ### Using f64 instead of rug::Float
The cargo feature `rug` enables rug, and is used by default. If you disalbe this, kalk will use `f64` instead, making it more portable. The cargo feature `rug` enables rug, and is used by default. If you disalbe this, kalk will use `f64` instead, making it more portable.
## Compiling ### Compiling
Make sure you have `diffutils` `gcc` `make` and `m4` installed. Make sure you have `diffutils` `gcc` `make` and `m4` installed.
## JavaScript Usage
```js
const kalk = await import("@paddim8/kalk");
const context = new kalk.Context();
console.log(context.evaluate("2pi + 3").toScientificNotation().toString());
```

1
kalk/wasm-build.sh Executable file
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@ -0,0 +1 @@
wasm-pack build --scope paddim8 -- --no-default-features