LLVM 20.0.0git
MathExtras.cpp
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1//===-- MathExtras.cpp - Implement the MathExtras header --------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file implements the MathExtras.h header
10//
11//===----------------------------------------------------------------------===//
12
14
15#ifdef _MSC_VER
16#include <limits>
17#else
18#include <cmath>
19#endif
20
21namespace llvm {
22
23#if defined(_MSC_VER)
24 // Visual Studio defines the HUGE_VAL class of macros using purposeful
25 // constant arithmetic overflow, which it then warns on when encountered.
26 const float huge_valf = std::numeric_limits<float>::infinity();
27#else
28 const float huge_valf = HUGE_VALF;
29#endif
30
31} // namespace llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
const float huge_valf
Use this rather than HUGE_VALF; the latter causes warnings on MSVC.
Definition: MathExtras.cpp:28