1 files changed, 184 insertions, 0 deletions
diff --git a/libjava/java/lang/natMath.cc b/libjava/java/lang/natMath.cc
new file mode 100644
index 000000000..d86d6307d
--- /dev/null
+++ b/libjava/java/lang/natMath.cc
@@ -0,0 +1,184 @@
+/* Copyright (C) 1998, 1999, 2000, 2002, 2006  Free Software Foundation
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+ 
+/**
+ * @author Andrew Haley <aph@cygnus.com>
+ * @date Tue Sep 22 1998 */
+/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
+ * "The Java Language Specification", ISBN 0-201-63451-1
+ * plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
+ * Status:  Believed complete and correct.
+ */
+ 
+#include <config.h>
+
+#include <java/lang/String.h>
+#include <java/lang/Float.h>
+#include <java/lang/Double.h>
+#include <java/lang/Integer.h>
+#include <java/lang/Long.h>
+#include <java/lang/Math.h>
+#include <gcj/array.h>
+
+#include "fdlibm.h"
+
+jdouble java::lang::Math::cos(jdouble x)
+{
+  return (jdouble)::cos((double)x);
+}  
+
+jdouble java::lang::Math::sin(jdouble x)
+{
+  return (jdouble)::sin((double)x);
+}  
+
+jdouble java::lang::Math::tan(jdouble x)
+{
+  return (jdouble)::tan((double)x);
+}  
+
+jdouble java::lang::Math::asin(jdouble x)
+{
+  return (jdouble)::asin((double)x);
+}  
+
+jdouble java::lang::Math::acos(jdouble x)
+{
+  return (jdouble)::acos((double)x);
+}  
+
+jdouble java::lang::Math::atan(jdouble x)
+{
+  return (jdouble)::atan((double)x);
+}  
+
+jdouble java::lang::Math::atan2(jdouble y, jdouble x)
+{
+  return (jdouble)::atan2((double)y, (double)x);
+}  
+
+jdouble java::lang::Math::log(jdouble x)
+{
+  return (jdouble)::log((double)x);
+}  
+
+jdouble java::lang::Math::exp(jdouble x)
+{
+  return (jdouble)::exp((double)x);
+}  
+
+jdouble java::lang::Math::sqrt(jdouble x)
+{
+  return (jdouble)::sqrt((double)x);
+}  
+
+jdouble java::lang::Math::pow(jdouble y, jdouble x)
+{
+  return (jdouble)::pow((double)y, (double)x);
+}  
+
+jdouble java::lang::Math::IEEEremainder(jdouble y, jdouble x)
+{
+  return (jdouble)::__ieee754_remainder((double)y, (double)x);
+}  
+
+jdouble java::lang::Math::rint(jdouble x)
+{
+  return (jdouble)::rint((double)x);
+}  
+
+jdouble java::lang::Math::floor(jdouble x)
+{
+  return (jdouble)::floor((double)x);
+}  
+
+jdouble java::lang::Math::ceil(jdouble x)
+{
+  return (jdouble)::ceil((double)x);
+}  
+
+jdouble java::lang::Math::log10(jdouble x)
+{
+  return (jdouble)::log10((double)x);
+}  
+
+jdouble java::lang::Math::cbrt(jdouble x)
+{
+  return (jdouble)::cbrt((double)x);
+}
+
+jdouble java::lang::Math::cosh(jdouble x)
+{
+  return (jdouble)::cosh((double)x);
+}
+
+jdouble java::lang::Math::expm1(jdouble x)
+{
+  return (jdouble)::expm1((double)x);
+}
+
+jdouble java::lang::Math::hypot(jdouble x, jdouble y)
+{
+  return (jdouble)::hypot((double)x, (double)y);
+}
+
+jdouble java::lang::Math::log1p(jdouble x)
+{
+  return (jdouble)::log1p((double)x);
+}
+
+jdouble java::lang::Math::sinh(jdouble x)
+{
+  return (jdouble)::sinh((double)x);
+}
+
+jdouble java::lang::Math::tanh(jdouble x)
+{
+  return (jdouble)::tanh((double)x);
+}
+
+static inline int
+floatToIntBits (jfloat value)
+{
+  union {
+    jint l;
+    jfloat d;
+  } u;
+  u.d = value;
+  return u.l;
+}
+
+static inline bool
+isNaN (jint bits)
+{
+  jint e = bits & 0x7f800000;
+  jint f = bits & 0x007fffff;
+
+  return e == 0x7f800000 && f != 0;
+}
+
+static inline jlong
+doubleToLongBits (jdouble value)
+{
+  union {
+    jlong l;
+    jdouble d;
+  } u;
+  u.d = value;
+  return u.l;
+}
+
+static inline bool 
+isNaN (jlong bits)
+{
+  jlong e = bits & 0x7ff0000000000000LL;
+  jlong f = bits & 0x000fffffffffffffLL;
+  
+  return e == 0x7ff0000000000000LL && f != 0LL;
+}
+