/*******************************************************

* Copyright (c) 2014, ArrayFire

* All rights reserved.

*

* This file is distributed under 3-clause BSD license.

* The complete license agreement can be obtained at:

* http://arrayfire.com/licenses/BSD-3-Clause

********************************************************/

#include <arrayfire.h>

#include <cstdio>

#include <math.h>

using namespace af;

static const int ITERATIONS = 50;

static const float PRECISION = 1.0f/ITERATIONS;

int main(int argc, char *argv[])

{

try {

// Initialize the kernel array just once

af::info();

af::Window myWindow(1024, 512, "2D Plot example: ArrayFire");

array Y;

int sign = 1;

array X = seq(-af::Pi, af::Pi, PRECISION);

array noise = randn(X.dims(0))/5.f;

myWindow.grid(1, 2);

for (double val=-af::Pi; !myWindow.close(); ) {

Y = sin(X);

myWindow(0,0).plot(X, Y);

myWindow(0,1).scatter(X, Y + noise, AF_MARKER_POINT);

myWindow.show();

X = X + PRECISION * float(sign);

val += PRECISION * float(sign);

if (val>af::Pi) {

sign = -1;

} else if (val<-af::Pi) {

sign = 1;

}

}

} catch (af::exception& e) {

fprintf(stderr, "%s\n", e.what());

throw;

}

return 0;

}