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1 | //===-- MathExtras.cpp - Implement the MathExtras header --------------===// |
2 | // | |
3 | // The LLVM Compiler Infrastructure | |
4 | // | |
5 | // This file is distributed under the University of Illinois Open Source | |
6 | // License. See LICENSE.TXT for details. | |
7 | // | |
8 | //===----------------------------------------------------------------------===// | |
9 | // | |
10 | // This file implements the MathExtras.h header | |
11 | // | |
12 | //===----------------------------------------------------------------------===// | |
13 | ||
14 | #include "llvm/Support/MathExtras.h" | |
15 | ||
16 | #ifdef _MSC_VER | |
17 | #include <limits> | |
18 | #else | |
19 | #include <math.h> | |
20 | #endif | |
21 | ||
22 | namespace llvm { | |
23 | ||
24 | #if defined(_MSC_VER) | |
25 | // Visual Studio defines the HUGE_VAL class of macros using purposeful | |
26 | // constant arithmetic overflow, which it then warns on when encountered. | |
27 | const float huge_valf = std::numeric_limits<float>::infinity(); | |
28 | #else | |
29 | const float huge_valf = HUGE_VALF; | |
30 | #endif | |
31 | ||
32 | } |