blob: 5ed3971254bb374e7f9ef4152c8b94a810c7e326 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
//===-- IsNAN.cpp ---------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Platform-independent wrapper around C99 isnan().
//
//===----------------------------------------------------------------------===//
#include "llvm/Config/config.h"
#include "llvm/System/IncludeFile.h"
#if HAVE_ISNAN_IN_MATH_H
# include <math.h>
#elif HAVE_ISNAN_IN_CMATH
# include <cmath>
#elif HAVE_STD_ISNAN_IN_CMATH
# include <cmath>
using std::isnan;
#elif defined(_MSC_VER)
#include <float.h>
#define isnan _isnan
#else
# error "Don't know how to get isnan()"
#endif
namespace llvm {
int IsNAN (float f) { return isnan (f); }
int IsNAN (double d) { return isnan (d); }
} // end namespace llvm;
DEFINING_FILE_FOR(SupportIsNAN)
|
