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+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+//
+// File: FloatSingle.cpp
+//
+
+#include <common.h>
+
+#include "floatsingle.h"
+
+#define IS_FLT_INFINITY(x) (((*((INT32*)((void*)&x))) & 0x7FFFFFFF) == 0x7F800000)
+
+// The default compilation mode is /fp:precise, which disables floating-point intrinsics. This
+// default compilation mode has previously caused performance regressions in floating-point code.
+// We enable /fp:fast semantics for the majority of the math functions, as it will speed up performance
+// and is really unlikely to cause any other code regressions.
+
+////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////
+///
+/// beginning of /fp:fast scope
+///
+////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////
+
+#ifdef _MSC_VER
+#pragma float_control(precise, off)
+#endif
+
+/*=====================================Abs=====================================
+**
+==============================================================================*/
+FCIMPL1(float, COMSingle::Abs, float x)
+ FCALL_CONTRACT;
+
+ return (float)fabsf(x);
+FCIMPLEND
+
+#ifdef _MSC_VER
+#pragma float_control(precise, on )
+#endif
+
+////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////
+///
+/// End of /fp:fast scope
+///
+////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////