14 Commits

Author SHA1 Message Date
Alan Eliasen
5a0793018c 4641897: Faster string conversion of large integers
Accelerate conversion to string by means of Schoenhage recursive base conversion.

Reviewed-by: bpb, alanb
2013-06-20 12:15:24 -07:00
Louis Wasserman
90aebf1cf9 7131192: BigInteger.doubleValue() is depressingly slow
In doubleValue() and floatValue() replace converting to String and parsing to Double or Float with direct conversion into IEEE 754 bits.

Reviewed-by: bpb, drchase, martin
2013-06-21 11:50:45 -07:00
Alan Eliasen
3a76795991 4837946: Faster multiplication and exponentiation of large integers
4646474: BigInteger.pow() algorithm slow in 1.4.0

Implement Karatsuba and 3-way Toom-Cook multiplication as well as exponentiation using Karatsuba and Toom-Cook squaring.

Reviewed-by: alanb, bpb, martin
2013-06-19 08:59:39 -07:00
Joe Darcy
30d2b45bd8 6879143: java.math.BigInteger misses the xxxValueExact methods
Reviewed-by: alanb
2011-09-14 11:32:11 -07:00
Joe Darcy
2a22d4691a 6838776: Defer initialization of static fields in java.math.BigInteger
Reviewed-by: mduigou, mduigou
2011-09-06 06:17:52 -07:00
Joe Darcy
3d9f3ee2b1 6989067: BigInteger's array copiers should be converted to System.arraycopy()
Reviewed-by: mduigou, forax
2011-09-02 16:06:08 -07:00
Sergey Kuksenko
238bb5d3bb 7082971: More performance tuning of BigDecimal and other java.math classes
Reviewed-by: darcy
2011-09-01 23:00:09 -07:00
Jim Holmlund
bbf16c0b3a 7032960: API files in java.awt need to be updated for references to JVM Spec with editions/hyperlinks
7032965: API files in java.io need to updated for references to JVM Spec with editions/hyperlinks
7032958: API files in java.lang need to updated for references to JLS with editions/hyperlinks
7032961: API files in java.lang need to updated for references to JVM with editions/hyperlinks
7032976: API files in javax.lang need to be updated for references to JLS with editions/hyperlinks
7032959: API files in java.util need to updated for references to JLS with editions/hyperlinks
7032962: API files in java.util need to updated for references to JVM Spec with editions/hyperlinks
7032967: API files in java.security need to updated for references to JVM Spec with editions/hyperlinks
7032955: API files in java.math need to updated for references to JLS with editions/hyperlinks

Removed URLs and 'edition' references

Reviewed-by: darcy
2011-04-13 12:16:13 -07:00
Kelly O'Hair
fe008ae27a 6943119: Rebrand source copyright notices
Reviewed-by: darcy, weijun
2010-05-25 15:58:33 -07:00
Joe Darcy
3e515ef90f 6897550: BigInteger constructor should use local cached String length
Reviewed-by: andrew, chegar
2009-11-03 15:01:50 -08:00
Joe Darcy
8c93a06ddd 6560935: BigInteger.modPow() throws ArithmeticException for negative exponent
Reviewed-by: alanb
2009-10-21 09:53:23 -07:00
Joe Darcy
589f5d20cb 6371401: java.math.BigInteger.shift(Integer.MIN_VALUE) throws StackOverflowError
Reviewed-by: alanb
2009-10-20 09:51:28 -07:00
Xiaobin Lu
9f9d70b270 6622432: RFE: Performance improvements to java.math.BigDecimal
Reviewed-by: darcy
2009-05-24 16:29:57 -07:00
J. Duke
319a3b9947 Initial load 2007-12-01 00:00:00 +00:00