libjava/java/lang/natMath.cc

   1 /* Copyright (C) 1998, 1999, 2000, 2002, 2006  Free Software Foundation
   2
   3    This file is part of libgcj.
   4
   5 This software is copyrighted work licensed under the terms of the
   6 Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
   7 details.  */
   8
   9 /**
  10  * @author Andrew Haley <aph@cygnus.com>
  11  * @date Tue Sep 22 1998 */
  12 /* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
  13  * "The Java Language Specification", ISBN 0-201-63451-1
  14  * plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
  15  * Status:  Believed complete and correct.
  16  */
  17
  18 #include <config.h>
  19
  20 #include <java/lang/String.h>
  21 #include <java/lang/Float.h>
  22 #include <java/lang/Double.h>
  23 #include <java/lang/Integer.h>
  24 #include <java/lang/Long.h>
  25 #include <java/lang/Math.h>
  26 #include <gcj/array.h>
  27
  28 #include "fdlibm.h"
  29
  30 jdouble java::lang::Math::cos(jdouble x)
  31 {
  32   return (jdouble)::cos((double)x);
  33 }
  34
  35 jdouble java::lang::Math::sin(jdouble x)
  36 {
  37   return (jdouble)::sin((double)x);
  38 }
  39
  40 jdouble java::lang::Math::tan(jdouble x)
  41 {
  42   return (jdouble)::tan((double)x);
  43 }
  44
  45 jdouble java::lang::Math::asin(jdouble x)
  46 {
  47   return (jdouble)::asin((double)x);
  48 }
  49
  50 jdouble java::lang::Math::acos(jdouble x)
  51 {
  52   return (jdouble)::acos((double)x);
  53 }
  54
  55 jdouble java::lang::Math::atan(jdouble x)
  56 {
  57   return (jdouble)::atan((double)x);
  58 }
  59
  60 jdouble java::lang::Math::atan2(jdouble y, jdouble x)
  61 {
  62   return (jdouble)::atan2((double)y, (double)x);
  63 }
  64
  65 jdouble java::lang::Math::log(jdouble x)
  66 {
  67   return (jdouble)::log((double)x);
  68 }
  69
  70 jdouble java::lang::Math::exp(jdouble x)
  71 {
  72   return (jdouble)::exp((double)x);
  73 }
  74
  75 jdouble java::lang::Math::sqrt(jdouble x)
  76 {
  77   return (jdouble)::sqrt((double)x);
  78 }
  79
  80 jdouble java::lang::Math::pow(jdouble y, jdouble x)
  81 {
  82   return (jdouble)::pow((double)y, (double)x);
  83 }
  84
  85 jdouble java::lang::Math::IEEEremainder(jdouble y, jdouble x)
  86 {
  87   return (jdouble)::__ieee754_remainder((double)y, (double)x);
  88 }
  89
  90 jdouble java::lang::Math::rint(jdouble x)
  91 {
  92   return (jdouble)::rint((double)x);
  93 }
  94
  95 jdouble java::lang::Math::floor(jdouble x)
  96 {
  97   return (jdouble)::floor((double)x);
  98 }
  99
 100 jdouble java::lang::Math::ceil(jdouble x)
 101 {
 102   return (jdouble)::ceil((double)x);
 103 }
 104
 105 jdouble java::lang::Math::log10(jdouble x)
 106 {
 107   return (jdouble)::log10((double)x);
 108 }
 109
 110 jdouble java::lang::Math::cbrt(jdouble x)
 111 {
 112   return (jdouble)::cbrt((double)x);
 113 }
 114
 115 jdouble java::lang::Math::cosh(jdouble x)
 116 {
 117   return (jdouble)::cosh((double)x);
 118 }
 119
 120 jdouble java::lang::Math::expm1(jdouble x)
 121 {
 122   return (jdouble)::expm1((double)x);
 123 }
 124
 125 jdouble java::lang::Math::hypot(jdouble x, jdouble y)
 126 {
 127   return (jdouble)::hypot((double)x, (double)y);
 128 }
 129
 130 jdouble java::lang::Math::log1p(jdouble x)
 131 {
 132   return (jdouble)::log1p((double)x);
 133 }
 134
 135 jdouble java::lang::Math::sinh(jdouble x)
 136 {
 137   return (jdouble)::sinh((double)x);
 138 }
 139
 140 jdouble java::lang::Math::tanh(jdouble x)
 141 {
 142   return (jdouble)::tanh((double)x);
 143 }
 144
 145 static inline int
 146 floatToIntBits (jfloat value)
 147 {
 148   union {
 149     jint l;
 150     jfloat d;
 151   } u;
 152   u.d = value;
 153   return u.l;
 154 }
 155
 156 static inline bool
 157 isNaN (jint bits)
 158 {
 159   jint e = bits & 0x7f800000;
 160   jint f = bits & 0x007fffff;
 161
 162   return e == 0x7f800000 && f != 0;
 163 }
 164
 165 static inline jlong
 166 doubleToLongBits (jdouble value)
 167 {
 168   union {
 169     jlong l;
 170     jdouble d;
 171   } u;
 172   u.d = value;
 173   return u.l;
 174 }
 175
 176 static inline bool
 177 isNaN (jlong bits)
 178 {
 179   jlong e = bits & 0x7ff0000000000000LL;
 180   jlong f = bits & 0x000fffffffffffffLL;
 181
 182   return e == 0x7ff0000000000000LL && f != 0LL;
 183 }
 184