mfbt/FloatingPoint.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 /* Implementations of FloatingPoint functions */
michael@0 7
michael@0 8 #include "mozilla/FloatingPoint.h"
michael@0 9
michael@0 10 namespace mozilla {
michael@0 11
michael@0 12 bool
michael@0 13 IsFloat32Representable(double x)
michael@0 14 {
michael@0 15 float asFloat = static_cast<float>(x);
michael@0 16 double floatAsDouble = static_cast<double>(asFloat);
michael@0 17 return floatAsDouble == x;
michael@0 18 }
michael@0 19
michael@0 20 } /* namespace mozilla */

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