jwmerrill

As part of our scheduled release cycle, version 0.8 of the Desmos API will be released as the new stable version this month. It is currently available for preview, and this is a great time to check out the new features that will become available. We'd love to hear your feedback.

• Change Log: https://www.desmos.com/api/changelog
• Documentation: https://www.desmos.com/api/v0.8/docs

In version 0.8, we are introducing three major new capabilities to the API, all designed to make the calculator more accessible to more users:

1. The calculator is now accessible to screen readers, and has been updated to comply with the WCAG 2.0 accessibility standard. When a screen reader is active, math expressions are read aloud as you navigate and edit them, and plotted curves can be played as audio or have the coordina

jwmerrill

import Html exposing (..)
import Html.App as Html
import Html.Attributes exposing (..)
import Html.Events exposing (..)
import Mouse

main =
  Html.program
    { init = (Model 200, Cmd.none)
    , view = view

jwmerrill

julia> function fn(x1::Float64, x2::Float64)
         x1_int = reinterpret(UInt64, x1)
         x2_int = reinterpret(UInt64, x2)
         reinterpret(Float64, (x1_int + x2_int) >> 1)
       end
fn (generic function with 1 method)

julia> @code_native fn(3.0, 4.0)
	.section	__TEXT,__text,regular,pure_instructions
Filename: none

jwmerrill

# Represent a set of digits 1-9 as an Int16, where the binary digits of the
# integer form a mask determining whether the associated digit is present in
# the set
immutable DigitSet
    d::Int16
end

function DigitSet(a::AbstractArray)
    d = Int16(0)
    for n in a

jwmerrill

GC(T+97773.6) Reason: TOO_MUCH_MALLOC, Total Time: 16.9ms, Zones Collected: 1, Total Zones: 30, Total Compartments: 417, Minor GCs: 2, Store Buffer Overflows: 0, MMU (20ms): 15%, MMU (50ms): 66%, SCC Sweep Total: 0.3ms, SCC Sweep Max Pause: 0.3ms, Nonincremental Reason: malloc bytes trigger, Allocated: 178MB, +Chunks: 0, -Chunks: 0
    Totals: 
The connection to http://jsbin.com/piyeye/1?0.44316687606709093 was interrupted while the page was loading. spike.js:232:0
GC(T+97775.4) Reason: TOO_MUCH_MALLOC, Total Time: 26.6ms, Zones Collected: 1, Total Zones: 32, Total Compartments: 420, Minor GCs: 3, Store Buffer Overflows: 0, MMU (20ms): 0%, MMU (50ms): 46%, SCC Sweep Total: 0.5ms, SCC Sweep Max Pause: 0.5ms, Nonincremental Reason: malloc bytes trigger, Allocated: 179MB, +Chunks: 0, -Chunks: 0
    Totals: 
GC(T+97777.0) Max Pause: 37.6ms, Total Time: 309.2ms, Zones Collected: 32, Total Zones: 32, Total Compartments: 420, Minor GCs: 25, Store Buffer Overflows: 0, MMU (20ms): 0%, MMU (50ms): 16%, SCC Sweep Total:

jwmerrill

jwm@jason ~/s/elm-platform> runhaskell src/BuildFromSource.hs master
Writing a default package environment file to
/Users/jwm/src/elm-platform/Elm-Platform/master/cabal.sandbox.config
Creating a new sandbox at /Users/jwm/src/elm-platform/Elm-Platform/master
Cloning into 'elm-compiler'...
remote: Counting objects: 17753, done.
remote: Compressing objects: 100% (100/100), done.
remote: Total 17753 (delta 56), reused 0 (delta 0)
Receiving objects: 100% (17753/17753), 5.44 MiB | 1.20 MiB/s, done.
Resolving deltas: 100% (10044/10044), done.

jwmerrill

'use strict';
var Elm = {}; Elm.Native = {}; Elm.Native.Graphics = {};
var ElmRuntime = {}; ElmRuntime.Render = {};
Elm.Native.Array = {};
Elm.Native.Array.make = function(elm) {
    elm.Native = elm.Native || {};
    elm.Native.Array = elm.Native.Array || {};
    if (elm.Native.Array.values) return elm.Native.Array.values;
    if ('values' in Elm.Native.Array)
      return elm.Native.Array.values = Elm.Native.Array.values;

jwmerrill

9345,9351c9345,9374
-   var previousDrawId = 0;
-   function domUpdate(newScene) {
-       previousDrawId = ElmRuntime.draw(previousDrawId, function(_) {
-           Render.update(elm.node.firstChild, savedScene, newScene);
-           if (elm.Native.Window) elm.Native.Window.values.resizeIfNeeded();
-           savedScene = newScene;
-       });
+ 
+   // domUpdate is called whenever the main Signal changes. On domUpdate,

jwmerrill

function graythresh_kmeans(img)
    # Note, without the type annotation, this is slow because
    # mean appears not to be type stable here
    thresh = mean(img)::Gray{Float32}
    
    while true
        lastthresh = thresh
        nplus = 0
        nminus = 0
        splus = zero(typeof(thresh))

jwmerrill

const states = ["Healthy", "Fever"]

const obsnames = ["normal", "cold", "dizzy"]

const start_probability = [0.6, 0.4]

const transition_probability = [
    0.7 0.3
    0.4 0.6
]