| 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 | |
| 13 | #include "llvm/Support/MathExtras.h" |
| 14 | |
| 15 | #ifdef _MSC_VER |
| 16 | #include <limits> |
| 17 | #else |
| 18 | #include <cmath> |
| 19 | #endif |
| 20 | |
| 21 | namespace 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 |
| 32 | |