utilities.h (Latest change: Author:Lakshman Anumolu <acrlakshman@yahoo.co.in>, 2019-07-26 22:25:50 -0500, [commit: 8a07ea1])

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// Copyright 2019 Lakshman Anumolu, Raunak Bardia.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
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// 3. Neither the name of the copyright holder nor the names of its contributors
// may be used to endorse or promote products derived from this software without
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#pragma once

#include <math.h>
#include <string.h>

namespace GALS
{
#ifndef BUILD_TESTS
#define GALS_FUNCTION_NOT_IMPLEMENTED(var)                        \
  std::cout << "FUNCTION_NOT_IMPLEMENTED: " << #var << std::endl; \
  exit(0);
#else
#define GALS_FUNCTION_NOT_IMPLEMENTED(var) std::cout << "FUNCTION_NOT_IMPLEMENTED: " << #var << std::endl;
#endif

#ifndef BUILD_TESTS
#define GALS_ABORT(var)                        \
  std::cout << "ERROR: " << #var << std::endl; \
  exit(0);
#else
#define GALS_ABORT(var) std::cout << "ERROR: " << #var << std::endl;
#endif

static double pi() { return atan(1) * 4; }

static double VSMALL = 1e-10;
static const double one_third = 1. / 3.;
static const double two_thirds = 2. / 3.;

static bool is_equal(double a, double b) { return fabs(a - b) <= VSMALL; }

static bool is_equal(int a, int b) { return a == b; }

template <typename T>
static T sqr(T a)
{
  return a * a;
}

template <typename T>
static T cube(T a)
{
  return a * a * a;
}

}  // namespace GALS