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| author | Jiyoung Yun <jy910.yun@samsung.com> | 2016-11-23 19:09:09 +0900 |
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| committer | Jiyoung Yun <jy910.yun@samsung.com> | 2016-11-23 19:09:09 +0900 |
| commit | 4b4aad7217d3292650e77eec2cf4c198ea9c3b4b (patch) | |
| tree | 98110734c91668dfdbb126fcc0e15ddbd93738ca /src/classlibnative/float/floatsingle.cpp | |
| parent | fa45f57ed55137c75ac870356a1b8f76c84b229c (diff) | |
| download | coreclr-4b4aad7217d3292650e77eec2cf4c198ea9c3b4b.tar.gz coreclr-4b4aad7217d3292650e77eec2cf4c198ea9c3b4b.tar.bz2 coreclr-4b4aad7217d3292650e77eec2cf4c198ea9c3b4b.zip | |
Imported Upstream version 1.1.0upstream/1.1.0
Diffstat (limited to 'src/classlibnative/float/floatsingle.cpp')
| -rw-r--r-- | src/classlibnative/float/floatsingle.cpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/classlibnative/float/floatsingle.cpp b/src/classlibnative/float/floatsingle.cpp new file mode 100644 index 0000000000..dd1bb43316 --- /dev/null +++ b/src/classlibnative/float/floatsingle.cpp @@ -0,0 +1,54 @@ +// 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 +/// +//////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////////// |