mfbt/FloatingPoint.cpp
author Jonathan Watt <jwatt@jwatt.org>
Thu, 16 Jun 2016 17:25:54 +0100
changeset 342018 ec51e3d60822a9acff99ffb470c73d7eb66894b1
parent 214333 91d7659bb35145e10ff737753688e0972c1a79b5
child 476135 b1521154cfec6b35f8266af53efb24ebac260173
permissions -rw-r--r--
Backed out changeset 248457986c11 (bug 1279789)

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/* Implementations of FloatingPoint functions */

#include "mozilla/FloatingPoint.h"

namespace mozilla {

bool
IsFloat32Representable(double aFloat32)
{
  float asFloat = static_cast<float>(aFloat32);
  double floatAsDouble = static_cast<double>(asFloat);
  return floatAsDouble == aFloat32;
}

} /* namespace mozilla */