Drop the hacks used for partial C99 math libraries.

All supported platforms have half-way decent C99 support.

llvm-svn: 231679

1 files changed, 0 insertions, 49 deletions

diff --git a/llvm/lib/Support/IsInf.cpp b/llvm/lib/Support/IsInf.cpp
deleted file mode 100644
index d6da0c99e8d..00000000000
--- a/llvm/lib/Support/IsInf.cpp
+++ /dev/null
@@ -1,49 +0,0 @@
-//===-- IsInf.cpp - Platform-independent wrapper around C99 isinf() -------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Platform-independent wrapper around C99 isinf()
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Config/config.h"
-
-#if HAVE_ISINF_IN_MATH_H
-# include <math.h>
-#elif HAVE_ISINF_IN_CMATH
-# include <cmath>
-#elif HAVE_STD_ISINF_IN_CMATH
-# include <cmath>
-using std::isinf;
-#elif HAVE_FINITE_IN_IEEEFP_H
-// A handy workaround I found at http://www.unixguide.net/sun/faq ...
-// apparently this has been a problem with Solaris for years.
-# include <ieeefp.h>
-static int isinf(double x) { return !finite(x) && x==x; }
-#elif defined(_MSC_VER)
-#include <float.h>
-#define isinf(X) (!_finite(X))
-#elif defined(_AIX) && defined(__GNUC__)
-// GCC's fixincludes seems to be removing the isinf() declaration from the
-// system header /usr/include/math.h
-# include <math.h>
-static int isinf(double x) { return !finite(x) && x==x; }
-#elif defined(__hpux)
-// HP-UX is "special"
-#include <math.h>
-static int isinf(double x) { return ((x) == INFINITY) || ((x) == -INFINITY); }
-#else
-# error "Don't know how to get isinf()"
-#endif
-
-namespace llvm {
-
-int IsInf(float f)  { return isinf(f); }
-int IsInf(double d) { return isinf(d); }
-
-} // end namespace llvm;