Introduce a new ReplaceCallWith method, which simplifies a lot of code.

[oota-llvm.git] / lib / Support / IsInf.cpp

diff --git a/lib/Support/IsInf.cpp b/lib/Support/IsInf.cpp
index 070ed4fcc1c790afdfb765080bf65fd747372d66..52c7d4204b354219a075e347aed6e1e7670c8189 100644 (file)
--- a/lib/Support/IsInf.cpp
+++ b/lib/Support/IsInf.cpp
@@ -6,6 +6,10 @@
 // the University of Illinois Open Source License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
+//
+// Platform-independent wrapper around C99 isinf()
+//
+//===----------------------------------------------------------------------===//
 
 #include "llvm/Config/config.h"
 
@@ -29,13 +33,17 @@ static int isinf(double x) { return !finite(x) && x==x; }
 // 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); }
+int IsInf(float f)  { return isinf(f); }
+int IsInf(double d) { return isinf(d); }
 
-}; // end namespace llvm;
+} // end namespace llvm;