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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /mfbt/FloatingPoint.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloaduxp-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
Add m-esr52 at 52.6.0
Diffstat (limited to 'mfbt/FloatingPoint.cpp')
-rw-r--r--mfbt/FloatingPoint.cpp21
1 files changed, 21 insertions, 0 deletions
diff --git a/mfbt/FloatingPoint.cpp b/mfbt/FloatingPoint.cpp
new file mode 100644
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+++ b/mfbt/FloatingPoint.cpp
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+/* -*- 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 */