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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
This commit is contained in:
Brian Burkhalter 2013-12-05 07:44:59 -08:00
parent f6fc8e9104
commit 9fab2b1e9a
2 changed files with 17 additions and 17 deletions
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2
jdk/src/share/classes/java/math/BigInteger.java
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@ -1815,7 +1815,7 @@ public class BigInteger extends Number implements Comparable<BigInteger> {
int len = mag.length;
if (len <= n) {
return this;
return abs();
}
int lowerInts[] = new int[n];

32
jdk/test/java/math/BigInteger/BigIntegerTest.java
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@ -56,32 +56,32 @@ public class BigIntegerTest {
// Bit large number thresholds based on the int thresholds
// defined in BigInteger itself:
//
// KARATSUBA_THRESHOLD = 50 ints = 1600 bits
// TOOM_COOK_THRESHOLD = 75 ints = 2400 bits
// KARATSUBA_SQUARE_THRESHOLD = 90 ints = 2880 bits
// TOOM_COOK_SQUARE_THRESHOLD = 140 ints = 4480 bits
// KARATSUBA_THRESHOLD = 80 ints = 2560 bits
// TOOM_COOK_THRESHOLD = 240 ints = 7680 bits
// KARATSUBA_SQUARE_THRESHOLD = 128 ints = 4096 bits
// TOOM_COOK_SQUARE_THRESHOLD = 216 ints = 6912 bits
//
// SCHOENHAGE_BASE_CONVERSION_THRESHOLD = 8 ints = 256 bits
// SCHOENHAGE_BASE_CONVERSION_THRESHOLD = 20 ints = 640 bits
//
// BURNIKEL_ZIEGLER_THRESHOLD = 50 ints = 1600 bits
// BURNIKEL_ZIEGLER_THRESHOLD = 80 ints = 2560 bits
//
static final int BITS_KARATSUBA = 1600;
static final int BITS_TOOM_COOK = 2400;
static final int BITS_KARATSUBA_SQUARE = 2880;
static final int BITS_TOOM_COOK_SQUARE = 4480;
static final int BITS_SCHOENHAGE_BASE = 256;
static final int BITS_BURNIKEL_ZIEGLER = 1600;
static final int BITS_KARATSUBA = 2560;
static final int BITS_TOOM_COOK = 7680;
static final int BITS_KARATSUBA_SQUARE = 4096;
static final int BITS_TOOM_COOK_SQUARE = 6912;
static final int BITS_SCHOENHAGE_BASE = 640;
static final int BITS_BURNIKEL_ZIEGLER = 2560;
static final int ORDER_SMALL = 60;
static final int ORDER_MEDIUM = 100;
// #bits for testing Karatsuba
static final int ORDER_KARATSUBA = 1800;
static final int ORDER_KARATSUBA = 2760;
// #bits for testing Toom-Cook and Burnikel-Ziegler
static final int ORDER_TOOM_COOK = 4000;
static final int ORDER_TOOM_COOK = 8000;
// #bits for testing Karatsuba squaring
static final int ORDER_KARATSUBA_SQUARE = 3200;
static final int ORDER_KARATSUBA_SQUARE = 4200;
// #bits for testing Toom-Cook squaring
static final int ORDER_TOOM_COOK_SQUARE = 4600;
static final int ORDER_TOOM_COOK_SQUARE = 7000;
static final int SIZE = 1000; // numbers per batch