2005-08-22  Per Bothner  <per@bothner.com>

	* RealNum.java (angle): Remove bogus method - angle of a negative
	real is pi, and hence result is inexact. Use inherited method instead.

2005-07-13  Per Bothner  <per@bothner.com>

	* IntFraction.java (toString(int)): Pass radix to toString for
	denominator as well as numerator.

2005-04-03  Per Bothner  <per@bothner.com>

	* IntNum.java: Fix two javadoc problems.

2005-01-19  Dominique Boucher <dominique.boucher@nuecho.com>
	    Per Bothner  <per@bothner.com>

	* ExponentialFormat.java (addOne): Fix fencepost error - test for
	reaching the start of the substring *before* decrementing.

2005-01-02  Per Bothner  <per@bothner.com>

	* RealNum.java:	Change "select" (preprocessor) syntax.

2004-07-20  Per Bothner  <per@bothner.com>

	* Unit.java:  Remove unused import statements.

2004-02-21  Per Bothner  <per@bothner.com>

	* RealNum.java:  Implement Comparable, if JAVA2.
	(compareTo):  New methods, calls older compare method.
	* DFloNum.java (compare):  Remove extra instanceof tests,
	giving us correct exceptions required by Comparable interface.
	(compareReversed):  Likewise.
	* IntFraction.java (compare, compareReversed):  Likewise.
	* IntNum.java (compare):  Likewise.

2003-08-20  Per Bothner  <per@bothner.com>

	* Complex.java:  Make more consistengt with IntNum.
	(mul):  Rename static 2-operand method to times.
	(div):  Rename static 2-operand method to divide.
	* DComplex.java:  Likewise.
	* DQuantity.java:  Likewise.
	* MulUnit.java:  Likewise.
	* Quantity.java:  Likewise.
	* RealNum.java:  Likewise.
	* Unit.java:  Likewise.

	* IntNum.java (remainder, modulo):  Return x if y is zero.

2003-08-14  Per Bothner  <per@bothner.com>

	* IntNum.java (sign):  If high-order word is zero, we need to
	check that remaining words are zero.  Reported by Aubrey Jaffer.

	* IntNum.java (valueOf):  Cheap and more general fits-in-long test.

2002-03-02  Per Bothner  <per@bothner.com>

	* IntNum.java (compare(IntNum,int)):  New static method.

2001-12-24  Per Bothner  <per@bothner.com>

	* package.html:  Remove "http:" from relative URLs.

2001-08-16  Per Bothner  <per@bothner.com>

	* IntNum.java (setShiftRight):  Avoid undefined shift by 32.
	Fixes bug found by Hans Boehm Hans <hans_boehm@hp.com> for libgcj.

2001-04-22  Per Bothner  <per@bothner.com>

	* IntNum.java (add, sub):  New static convenience methods.

	* IntFraction.java (doubleValue):  If denominator is zero,
	return infinity or NaN.

2001-04-09  Per Bothner  <per@bothner.com>

	* Makefile.am (CLEANFILES):  Remove redundant macro.

2001-02-26  Per Bothner  <per@bothner.com>

	* IntNum.java:  Minor style tweaks.

2000-09-21  Per Bothner  <per@bothner.com>

	* IntNum.java (divide):  Zero-extend results if high-order bit set.

2000-06-09  Per Bothner  <per@bothner.com>

	* NamedUnit.java:  New class, extends Unit.
	* Makefile.am (java_JAVA):  Add NamedUnit.java.
	* MulUnit.java:  Implement Externalizable.
	(lookup, make): New static method.
	(toString):  Emit '^' and '*' for cleaner output syntax.
	* BaseUnit.java:  Inherit from NamedUnit. Implement Externalizable.
	(getDimension):  New method.
	(<init>):  Added default constructor.  Removed BaseUnit(String).
	(init, lookup):  New helper methods.
	(make, compare, getDimension):  New methods.
	(hashCode):  Change to hashCode of name.
	* Dimensions.java (endDummy):  Replace by Unit.Empty.
	* Unit.java:  Make abstract.  No longer implement Externalizable.
	(<init>)  Remove constructores except default constructor.
	(define):  Removed some overloaded static methods.
	(unitTable):  Removed field - replaced by table.
	(table):  New field.
	(name):  Removed field - now in NamedUnit.
	(make, getName):  New methods.
	(mul):  Use new MulUnit.make method.
	(<unit>(String,Quantity)):  New constructor.

	* IntNum.java (readResolve):  Fix return type to Object.

	* Quantity.java:  Fix doc comments.

2000-05-22  Per Bothner  <per@bothner.com>

	* IntNum.java (make(int[]):  New method.
	
	* DFloNum.java:  No longer implement Compilable.
	* IntNum.java:  Likewise.

	* IntFraction.java (<init>(IntNum, IntNum)):  Make public.

	* Unit.java:  Implement Externalizable.
	* CQuantity.java:  Likewise.
	* DQuantity.java:  Likewise.

2000-05-09  Per Bothner  <per@bothner.com>

	* CComplex.java:  Make implement java.io.Externalizable.
	(writeExternal, readExternal, default constructor):  Added new methods.
	* DComplex.java:  Likewise.
	* DFloNum.java:  Likewise.
	* IntFraction.java:  Likewise.
	* IntNum.java:  Likewise.  Also add readResolve method.

2000-04-29  Per Bothner  <per@bothner.com>

	* MPN.java (rshift0):  New method, handles zero shift count.
	(gcd):  Use rshift0 rather than rshift.
	* IntNum.java (setShiftRight):  Likewise.
	(divide):  Simplify by using rshift0.
	* BitOps.java (extract):  Likewise.

	* MPN.java (rshift(int[],int[],int,int)):  Remove unused method.

2000-02-27  Per Bothner  <per@bothner.com>

	Various tweaks for better javadoc processing.
	* overview.html:  Renamed to package.html.

1999-12-10  Per Bothner  <per@bothner.com>

	* IntNum.java (makeU):  New static method.

1999-09-05  Per Bothner  <per@bothner.com>

	* Unit.java (<init>):  Constructor do not enter new Unit in unitTable.
	(define):  New methods, for contructing + entering in unitBale.
	(pre-defined units):  Use new `define' methods.

	Change so that arithmetic on Units uses this Unit, not the BaseUnit.
	(unit):  Just returns this.
	(number)  Returns DFLoNum.one().
	* DLoNum.java (one):  New static method (and private field).

1999-06-30  Per Bothner  <per@bothner.com>

	* IntNum.java (ten):  New static method.
	(format(int,StringBuffer)):  New method.
	(toString):  Uses new format method.
	* RealNum.java (toScaledInt):  New methods.
	* ExponentialFormat.java:  New Format class.
	* FixedRealFormat.java:  New format class.
	* Makefile.am, Makefile.in (java_JAVA):  Update for new classes.

Tue Feb  2 15:12:38 1999  Per Bothner  <bothner@cygnus.com>

	* IntNum.java (add):  Re-order operands in expression to work-around
	a bug Visual J++ 6.  Reported by Heather Downs <heather@bungalow.com>.

Wed Dec  2 18:54:30 1998  Dr Alexander Bunkenburg <bunkenba-www@dcs.gla.ac.uk>

	* DComplex.java (log):  Fix x_im -> x_re bug.

Mon Nov 23 14:32:35 1998  Per Bothner  <bothner@cygnus.com>

	* IntNum.java (make):  Don't alloc words array if len==1.
	(valOf):  New overload, taking byte[] of digits,
	Other overloads use this new method.  Fixes problem reported
 	by Edouard Parmelan <EP510777@exchange.FRANCE.NCR.com>.

Tue Sep 15 11:00:56 1998  Per Bothner  <bothner@Magnus.Cygnus.COM>

	* IntFraction.java (doubleValue): Fix thinko.

Sat Aug 29 20:48:19 1998  Per Bothner  <bothner@cygnus.com>

	* DFloNum.java,IntNum.java: Do ClassType.make instead of new ClassType.

Thu Jul 23 07:54:54 1998  Per Bothner  <bothner@cygnus.com>

	* Dimensions.java (<init>):  Fix missing variable re-initialization.

	* DFloNum.java, IntNum.java:  Update imports.
	* IntFraction.java, RatNum.java, RealNum.java: Removed unneeded import.
	* Makefile.am (install-html):  Subsumed by ../Makefile.am.

Wed Jul 22 19:59:59 1998  Per Bothner  <bothner@cygnus.com>

	* Dimensions.java (<init>):  Fix bug (counters not re-initialized).

Wed Jun 24 18:59:48 1998  Per Bothner  <bothner@cygnus.com>

	* RealNum.java (toExactInt):  New methods.

Tue Jun  2 18:54:18 1998  Per Bothner  <bothner@cygnus.com>

	* IntNum.java (divide):  Finish implementation of remainder.
	(set(IntNum)):  Change to make a copy.

Sun May 24 12:50:43 1998  Per Bothner  <bothner@cygnus.com>

	* *.java:  Renamed xxx_reversed methods to xxxReversed.

Thu May 21 10:21:33 1998  Per Bothner  <bothner@cygnus.com>

	* IntFraction (doubleValue):  Minor optimization and extra comment.

Fri May 15 21:41:06 1998  Per Bothner  <bothner@cygnus.com>

	* DFloNum.java (compare(IntNum,IntNum,double)):  Exactly compare
	ation to double.
	(compare, compare_reversed):  Use new compare function.

	* IntNum.java (times):  Extra overload, and better efficiency.

Sat Apr  4 17:40:14 1998  Per Bothner  <bothner@cygnus.com>

	* Makefile.am:  Re-write to compile all out-of-date *.java at once.
	* overview.html:  New file.

Tue Mar 10 22:14:40 1998  Per Bothner  <bothner@cygnus.com>

	* Makefile.am (install-html):  New rule.

Mon Feb 16 15:54:54 1998  Per Bothner  <bothner@cygnus.com>

	* IntNum.java (valueOf):  New overloaded method.

Tue Feb  3 12:53:54 1998  Per Bothner  <bothner@cygnus.com>

	* IntNum.java, DFlotNum.java:  Update calls to gnu.bytecode methods.

Thu Jan 15 13:42:16 1998  Alcibiades Petrofsky <albatros@wco.com>

	* Complex.java (imMinusOne):  New method.
	(toString):  Minor fixes.
	* DComplex.java (toString):  Print infinities and NaN using #i1/0 etc.
	* DFloNum.java (constructor):  Make sure -0.0 is handled correctly.
	(toString):  Print infinities and NaN using #i1/0 etc.

	* IntNum.java (negate):  Change return value to boolean (for overflow).
	(setNegative):  Fix so -2**63 works.

Sat Jan 10 15:08:24 1998  Per Bothner  <bothner@cygnus.com>

	* IntNum.java (getAbsolute):  Fix for negative numbers.

Sat Jan 10 13:53:19 1998  Alcibiades Petrofsky <albatros@wco.com>

	* IntNum.java (roundToDouble, checkBits):  New methods.
	(doubleValue):  Use roundToDouble.
	* IntFraction.java (doubleValue):  Use roundToDouble.

Sun Dec 14 15:52:08 1997  Per Bothner  <bothner@cygnus.com>

	* IntNum.java (setAdd);  Fix to handle negative int argument.

Tue Dec  9 14:59:02 1997  James P. White <jim@pagesmiths.com>

	* MPN.java (udiv_qrnnd):  Fix carry bug.

Thu Nov 27 21:37:03 1997  Per Bothner  <bothner@cygnus.com>

	* DFloNum.java, IntNum.java (emit):  Update for gnu.bytecode changes.

Sat Nov  1 20:53:37 1997  Per Bothner  <bothner@cygnus.com>

	* DFloNum.java (toExact):  Make simpler and more efficient.

Wed Jul  2 21:55:53 1997  Per Bothner  <bothner@cygnus.com>

	* RealNum.java (toInt):  Use Math.rint instead of Math.IEEEremainder
	(buggy in some implementations) for Numeric.ROUND.
	Suggested by Mike Kenney <mikek@apl.washington.edu>.
	(toInt):  Provide overloading for unboxed double.

Fri Jun 13 09:26:16 1997  Per Bothner  <bothner@cygnus.com>

	* IntNum.java (initMakeMethods):  Fix typo for makeLogMethod.
	Reported by Joseph Bowbeer <jozart@compuserve.com>.

Thu May 29 15:04:35 1997  Per Bothner  <bothner@cygnus.com>

	* DFloNum.java (isNegative):  Fix bad think-o.

Fri May 23 17:29:47 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* IntNum.java (gcd):  Check that either arg is zero.
	* Makefile.{am,in}:  Use CPASSPATH env variable, instead of -classpath.

Tue May 20 22:07:14 1997  Per Bothner  <bothner@deneb.cygnus.com>

	Fix class initialization cicularities.
	* Complex.java (imOne):  Chnage from field to method.
	* RatNum.java (Infinity, NegInfinity):  Replace fields by ...
	(infinity):  ... new method.
	* DFloNum.java, IntNum.java:  Update accordingly.

Wed May  7 12:28:35 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* IntNum.java (power):  Handle overflow into sign bit.
	* IntNum.java (doubleValue):  Fix thinko for 2-word case.

Mon Mar 31 16:29:01 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* LICENSE:  New file - and new license!
	* *.java:  Added copyright notice.

	* *.java:  Moved package from kawa.math to gnu.math.

Tue Mar 25 15:22:30 1997  Per Bothner  <bothner@kalessin.cygnus.com>

	Update for moved package codegen -> gnu.bytecode and new method names.

	* Quantity.java (compare_reversed):  New method.

Tue Mar 18 13:59:42 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* RealNum.java (compare, compare_reversed, equals, grt, geq): Moved to
	* Quantity.java:  ... here
	* Quantity.java, Complex.java:  Implement compare methods.

Mon Mar 17 17:31:11 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* BitOps.java (setBitOp):  Rewrite to work around Microsoft bug.
	* Unit.java (radian):  New static field, recommended by DSSSL.

Sat Mar  8 08:29:33 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* Unit.java (define):  New static method.
	(cm, im):  Fix typos.
	* Numeric.java (sub): Make final.

Mon Feb  3 17:09:07 1997  Per Bothner  <bothner@kalessin.cygnus.com>

	* DFloNum.java (makeMethod):  Make public.
	* IntNum.java (makeIntMethod, makeLongMethod):  Make public.
	* {DFloNum,IntNum}.java (initMakeMethods):  New methods,
	* Makefile.{am,in} (CLEANFILES):  Delete *.class, not just $(OBJ).

Tue Jan 21 18:25:50 1997  Per Bothner  <bothner@deneb.cygnus.com>

	* Complex.java (doubleRealValue):  Synonym for doubleValue();
	(polar, power, abs, angle, div, div_reversed, exp, log, sqrt):  New.
	* DComplex.java (div, power, log, sqrt, hypot):  New methods.
	* RealNum.java (dov, angle, exp, log, sin, sqrt):  New methods.
	* Unit.java (sqrt): New (placeholder) method.
	(mul):  Add extra simplifications.
	* MulUnit.java (sqrt):  New method.

Mon Jan 20 15:58:50 1997  Per Bothner  <bothner@kalessin.cygnus.com>

	* Numeric.java:  Inherit from java.lang.Number.
	(intValue, longValue): New methods.
	* Complex.java, DFloNum.java, IntFraction.java:  New longValue method.

	* DQuantity.java (add):  Adjust for different units.
	* IntNum.java (longValue):  Support non-normalized value.
	(appendWord, increment_unsigned, increment): Remove useless code.
	* Unit.java:  Added minute and hour.

Fri Jan  3 14:44:53 1997  Per Bothner  <bothner@deneb.cygnus.com>

	Implemented units, quantities, and dimensions for measurements.
	Implemented complex numbers.
	* BaseUnit.java, CComplex.java, CQuantity.java, Complex.java,
	DComplex.java, DFloNum.java, DQuantity.java, MulUnit.java,
	Quantity.java, Unit.java:  New files.
	* Makefile.am, Makefile.in:  Update accordingly.

	* Numeric.java, RatNum.java, RatNum.java, IntFraction.java (add,
	add_reversed):  Virtual and static methods changed to take extra
	int parameter that second argument is multiplied by.
	Likewise for static add/plus methods.
	Rename generalized static plus functions to add.
	(sub, sub_reversed):  Virtual methods removed.

	* Numeric (div_inv, mul_ident, power):  New methods.
	* IntNum.java (divide):  Implement ROUND mode for bignum.
	* RatNum.java, IntNum.java (power):  Re-written.
	* RealNum.java:  Now inherits from Complex.
	(re, im, rneg):  New methods.
	(equ):  Renamed to equals.

Sun Dec 15 22:19:58 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* DFloNum.java (toExact):  New method.
	* IntNum.java (toInt, toExactInt):  New methods.
	(quotient):  Add more general overloaded variant.
	* RatNum.java (power):  New overloaded variant.
	(equals, to Exact, toInt, toExactInt, rationalize):  New methods.
	* RealNum.java (toExact, toInt):  New methods.

Fri Dec 13 15:10:38 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* BitOps.java:  New class, implementing "bit-wise integer functions".
	* Makefile.am, Makefile.in (OBJ):  Add BitOps.class.
	* IntNum.java (minusOne, make, isMinusOne, power):  New methods.
	(isOdd, isZero, isOne):  Make final.
	(wordsNeeded):  Handle the case that len==0.
	(plus):  Fix various bugs.
	(doubleValue):  Implement for bignums.
	(div):  Return an exact rational, rather than an inexact DFloNum.
	* MPN.java (add_n):  Remove bogus optimization.
	(mul):  Fix thinko - carry did not add old value of dest.
	(submul_1):  New function.
	(divide):  Partial re-write.  Works better now.
	(set_str):  Merge code for loop and final words.
	(rshift_long):  New function.
	(dprint):  Added debugging methods.
	* RatNum.java (isZero, power):  New methods.
	(Infinity, NegInfinity):  New static fields.

Wed Nov 20 17:50:03 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* DFloNum.java:  Make arithmetic generic:  We now have
	other kinds of RealNum besides DFloNum and IntNum.
	* IntNum (isOne, intLength):  New methods.
	(set):  Changed to not copy.
	(divide):  Finish the implementation to support long division.
	(quotient, remainder, modulo):  Canonicalize result.
	(add, sub, mul):  Make more generic (don't just support DFloNum).
	(setAbsolute):  Removed.
	* MPN.java (add_n):  Minor optimizaton - can avoid masking.
	(mul_1, mul):  Must use unsigned shift (>>>).
	(divide):  New method, does long division.
	(count_leading_zeros):  New method.
	(cmp):  New method overloading handles differently-sized arguments.
	(intLength):  New methods.
	* Numeric.java (add_reversed, sub_reversed, mul_reversed,
	div_reversed):  New methods.
	* RatNum.java:  Implement arithmetic on rationals.
	* RealNum.java (compare_reversed):  New method.
	* IntFraction.java:  New class, for exact rationals.
	* Makefile.am, Makefile.in (OBJ):  Add IntFraction.java.

Mon Oct 21 12:59:50 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* IntNum.java (set):  Fix ival clash problem.
	(valueOf):  Check for high-order bit set.

Thu Oct 17 22:00:51 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* MPN.java (sub_n, udiv_qrnnd, divmod_1, rshift, lshift,
	findLowestBit, gcd):  New functions.
	* IntNum.java (realoc):  Don't reallocate if larger size is close.
	(set):  Fix wrong comparison.
	(divide for longs):  New function.
	(divide general):  Use divide for long, or divmod_1.
	(gcd):  Implement for bignums.
	(setShiftLeft, setShiftRight, setShift, shift):  New functions.
	(toString):  We can print bignums in any radix now.
	(getAbsolute, negate):  New utility methods.

Mon Sep 16 10:55:39 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* DFloNum.java (makeLiteral, emit):  Implement Compilable.
	* Numeric.java (FLOOR, CEILING, TRUNCATE, ROUND):  New constants.
	* RealNum.java (max, min):  New methods.
	* IntNum.java (isOdd):  Check low-order word, not high-order word!
	(setPlus, set):  New overload variants.
	(setNeg):  Renamed to setNegative.
	(divide, quotient, remiander, modulo, lcm):  New methods.
	* Makefile.{am,in}: (javadir):  Use $(subdir)
	{DEP_,}DISTFILES):  Do not include DATA (i.e. *.class).
	Replace generated EXTRA_DIST with ditto SOURCES.

Thu Sep 12 15:40:30 1996  Per Bothner  <bothner@deneb.cygnus.com>

	* Numeric.class, RealNum.class, DFloNum.class, RatNum.class,
	MPN.class, IntNum.class:  New class for re-vamped numerics.
	* Makefile.{am,in}:  New files.
