es6_math 1.1.0

Provides math functions from ES6 (ECMAScript 2015) that are currently missing in dart:math.

ES6 Math

Provides math functions from ES6 (ECMAScript 2015) that are currently missing in dart:math. Mostly based on MDN polyfills (circa 2017). Useful for maintaining compatibility with code ported from JavaScript that make use of these functions.

Function list: acosh, asinh, atanh, cbrt, clz32, cosh, imul, expm1, fround, hypot, log1p, log10, log2, sinh, tanh, trunc.

Native library

This library contains an extra native variant which replaces some functions with a native implementation. It slightly improves the performance and accuracy of those functions.

An implementation of the native library is available in native_lib which can be compiled into a shared library using either CMake or make. It's mostly a wrapper around the native C math library. You will have to manually configure your build system to compile the library.

Using conditional imports, one might want to use the native library if available. For example:

import 'dart:io';
import 'package:es6_math/es6_math.dart'
    if (dart.library.ffi) 'package:es6_math/es6_math_native.dart';

void main() {
  // Load the dynamic library
  if (Platform.isWindows) {
    loadEs6MathLibrary('es6_math.dll');
  }
  else if (Platform.isAndroid || Platform.isLinux) {
    loadEs6MathLibrary('libes6_math.so');
  }
  else if (Platform.isIOS || Platform.isMacOS) {
    loadEs6MathLibrary('libes6_math.dylib');
  }

  // Do some calculations...
  print(cbrt(512));
}

If loadEs6MathLibrary is not called or it fails, the vanilla implementation will be used instead. The loadEs6MathLibrary function is also defined in the vanilla variant of the library but it doesn't do anything, so it's safe to call it without even checking for it first.

License

MIT