javascript float from/to bits

Question

I am trying to perform something that is brain-dead simple in any other language but not javascript: get the bits out of float (and the other way around).

In C/C++ it would be something like

 float a = 3.1415; int b = *((int*)&a); 

and vise-versa

 int a = 1000; float b = *((float*)&a); 

In C# you can use the BitConverter ...floatBits or something alike in Java... Even in VB6 for Christ's sake you can memcpy a float32 into an int32. How on earth can I translate between and int and a float in javascript?

Answer 1

function DoubleToIEEE(f) {     var buf = new ArrayBuffer(8);     (new Float64Array(buf))[0] = f;     return [ (new Uint32Array(buf))[0] ,(new Uint32Array(buf))[1] ]; }