tmpvar

diff --git a/examples/opencl/histogram.cpp b/examples/opencl/histogram.cpp
index 4817efd..fb3c39b 100644
--- a/examples/opencl/histogram.cpp
+++ b/examples/opencl/histogram.cpp
@@ -18,6 +18,7 @@
 #include <iterator>
 #include <algorithm>
 #include "cl_helpers.h"
+#include <math.h>
 

tmpvar

var fc = require('fc')
var center = require('ctx-translate-center');
var circle = require('ctx-circle');
var ndarray = require('ndarray')
var vec2 = require('gl-vec2');
var createRay = require('ray-aabb');

function sign(a) {
  return typeof a === 'number' ? a ? a < 0 ? -1 : 1 : a === a ? 0 : 0 : 0
}

tmpvar

var fc = require('fc')
var center = require('ctx-translate-center');
var circle = require('ctx-circle');
var ndarray = require('ndarray')
var vec2 = require('gl-vec2');
var createRay = require('ray-aabb');

function sign(a) {
  return typeof a === 'number' ? a ? a < 0 ? -1 : 1 : a === a ? 0 : 0 : 0
}

tmpvar

var fc = require('fc')
var center = require('ctx-translate-center');
var circle = require('ctx-circle');
var ndarray = require('ndarray')
var vec2 = require('gl-vec2');
var createRay = require('ray-aabb');

var ro = [0, 0];
var rd = [0, 0];
var ray = createRay(ro, rd);

tmpvar

[disabled optimization for 0x43c923f9b1 <SharedFunctionInfo SAR>, reason: Call to a JavaScript runtime function]
[disabled optimization for 0x43c923eb41 <SharedFunctionInfo ADD>, reason: Call to a JavaScript runtime function]
[disabled optimization for 0x43c923ef31 <SharedFunctionInfo SUB>, reason: Call to a JavaScript runtime function]
[disabled optimization for 0x43c923f081 <SharedFunctionInfo MUL>, reason: Call to a JavaScript runtime function]
[disabled optimization for 0x43c92892a1 <SharedFunctionInfo>, reason: TryCatchStatement]
[disabled optimization for 0x43c9285179 <SharedFunctionInfo FormatMessage>, reason: TryCatchStatement]
[marking 0x1524201eaa1 <JS Function SetFunctionName (SharedFunctionInfo 0x43c9242e29)> for recompilation, reason: hot and stable, ICs with typeinfo: 4/4 (100%), generic ICs: 0/4 (0%)]
[compiling method 0x1524201eaa1 <JS Function SetFunctionName (SharedFunctionInfo 0x43c9242e29)> using Crankshaft]
[optimizing 0x1524201eaa1 <JS Function SetFunctionName (SharedFunctionInfo 0x43c92

tmpvar

var orient = require('robust-orientation');
var sign = require('signum');

var RIGHT = 'right';
var LEFT = 'left';

var id = 0;
function node(parent, plane, label) {
  return {
    plane: plane,

tmpvar

var fc = require('fc')
var poly = require('ctx-render-polyline')
var center = require('ctx-translate-center')
var ctx = fc(function() {
  ctx.clear()
  center(ctx);
  ctx.scale(1, -1)
		
	ctx.beginPath()
		poly(ctx, [

tmpvar

var split = require('split-polygon')

var poly = [[0,0], [1, 0], [1, 1], [0,1]]

function line(a, b) {
  var dx = a[0] - b[0];
  var dy = a[1] - b[1];

  // normalize the direction vector
  var imag = 1/Math.sqrt(dx*dx+dy*dy);

tmpvar

var fc = require('fc')
console.clear()
var TAU=Math.PI*2;

var mouse = [0, 0];
document.addEventListener('mousemove', function(e) {
  mouse[0] = e.clientX;
  mouse[1] = e.clientY - ctx.canvas.width/2;
});

tmpvar

var Polygon = require('polygon')
var Vec2 = require('vec2')
var fc = require('fc');
var center = require('ctx-translate-center')
var poly = require('ctx-render-polyline')
var polygonBoolean = require('2d-polygon-boolean')

var clip = [[0, 0], [100, 0], [100, 100], [0, 100]];
var subject = [[10, 10], [20, 10], [20, 20], [10, 20]];