Brian Burkhalter
e5a6f24f64
8032027: Add BigInteger square root methods
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Add sqrt() and sqrtAndReminder() using Newton iteration
Reviewed-by: darcy, lowasser
2015-12-10 17:47:26 -08:00
Chris Hegarty
008fee0591
8079782: RandomFactory should be in the jdk.testlibrary package
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Reviewed-by: bpb
2015-05-08 11:02:33 +01:00
Brian Burkhalter
30e8183ee8
8078672: Print and allow setting by Java property seeds used to initialize Random instances in java.lang numerics tests
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Add ability to initial the random number generator from the system property "seed" and print to STDOUT the seed value actually used.
Reviewed-by: darcy
2015-04-29 16:34:49 -07:00
Joe Darcy
86c109e149
8078334: Mark regression tests using randomness
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Reviewed-by: xuelei, alanb
2015-04-29 10:25:53 -07:00
Brian Burkhalter
f9a9e68c05
8074460: Always print seeds used in [Splittable]Random instances in java.math tests
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Create a utility class which creates a pseudorandom number generator (PRNG) and retains the seed. Use this class in java.math tests which use a PRNG. Always print the seed value before the PRNG is used.
Reviewed-by: darcy
2015-03-06 16:00:58 -08:00
Brian Burkhalter
4417397e26
4026465: Provide more byte array constructors for BigInteger
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Add two's complement and sign-magnitude constructors for byte arrays with offset and length.
Reviewed-by: darcy, alanb, scolebourne
2015-01-09 17:27:28 -08:00
Brian Burkhalter
6d148f368d
8058679: More bad characters in BigIntegerTest
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Remove remaining non-US-ASCII characters
Reviewed-by: alanb
2014-09-17 14:11:40 -07:00
Brian Burkhalter
0c71a5e8f4
8058664: Bad fonts in BigIntegerTest
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Replace bad fonts with spaces.
Reviewed-by: alanb
2014-09-17 11:04:16 -07:00
Robert Gibson
8acf66df11
8058505: BigIntegerTest does not exercise Burnikel-Ziegler division
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Modify divideLarge() method such that the w/z division exercises the B-Z branch.
Reviewed-by: darcy
2014-09-15 13:25:08 -07:00
Brian Burkhalter
9fab2b1e9a
8029514: java/math/BigInteger/BigIntegerTest.java failing since thresholds adjusted in 8022181
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Ensure the value returned by getLower() is unsigned.
Reviewed-by: darcy
2013-12-05 07:44:59 -08:00
Timothy Buktu
e3b61c033b
8022180: BigInteger Burnikel-Ziegler quotient and remainder calculation assumes quotient parameter is zero
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Clear the quotient in divideAndRemainderBurnikelZiegler() if the divisor is larger than the dividend.
Reviewed-by: alanb, bpb
2013-08-12 16:21:10 -07:00
Brian Burkhalter
4fe69c432f
8020641: Clean up some code style in recent BigInteger contributions
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Some minor cleanup to adhere better to Java coding conventions.
Reviewed-by: darcy
2013-07-26 17:09:30 -07:00
Tim Buktu
d59c1fac00
8014319: Faster division of large integers
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Implement Burnickel-Ziegler division algorithm in BigInteger
Reviewed-by: bpb, martin
2013-07-26 17:03:19 -07:00
Alan Eliasen
5a0793018c
4641897: Faster string conversion of large integers
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Accelerate conversion to string by means of Schoenhage recursive base conversion.
Reviewed-by: bpb, alanb
2013-06-20 12:15:24 -07:00
Alan Eliasen
3a76795991
4837946: Faster multiplication and exponentiation of large integers
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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
Kelly O'Hair
d2b1e20c7d
7033660: Update copyright year to 2011 on any files changed in 2011
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Reviewed-by: dholmes
2011-04-06 22:06:11 -07:00
Stuart Marks
dd0e38d73a
7021209: convert lang, math, util to use try-with-resources
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Reviewed-by: alanb, darcy, naoto
2011-02-22 15:34:17 -08:00
Kelly O'Hair
fe008ae27a
6943119: Rebrand source copyright notices
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Reviewed-by: darcy, weijun
2010-05-25 15:58:33 -07:00
Joe Darcy
b4b4646850
6908541: Bad resource management in java/math/BigInteger/BigIntegerTest.java
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Reviewed-by: alanb
2009-12-22 21:48:19 -08:00
Joe Darcy
61f89b0025
6601457: Move wrapper class tests from closed to open
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6601458: Move java.math tests from closed to open
6740185: Move java/lang/annotations tests to open
6759433: Move Math and StrictMath regression tests from closed to open
Move some more regression tests to the open
Reviewed-by: jjg
2009-01-26 19:49:26 -08:00
