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This commit is contained in:
Dean Long 2016-09-27 21:14:47 -04:00
commit c329dba540
2 changed files with 8 additions and 2 deletions
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4
jdk/src/java.base/share/classes/java/lang/Math.java
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@ -1626,7 +1626,7 @@ public final class Math {
*
* @since 9
*/
// @HotSpotIntrinsicCandidate
@HotSpotIntrinsicCandidate
public static double fma(double a, double b, double c) {
/*
* Infinity and NaN arithmetic is not quite the same with two
@ -1743,7 +1743,7 @@ public final class Math {
*
* @since 9
*/
// @HotSpotIntrinsicCandidate
@HotSpotIntrinsicCandidate
public static float fma(float a, float b, float c) {
/*
* Since the double format has more than twice the precision

6
jdk/test/java/lang/Math/FusedMultiplyAddTests.java
View File

@ -221,6 +221,9 @@ public class FusedMultiplyAddTests {
{Double.MIN_VALUE, -0.0, +0.0,
+0.0},
{1.0+Math.ulp(1.0), 1.0+Math.ulp(1.0), -1.0-2.0*Math.ulp(1.0),
Math.ulp(1.0)*Math.ulp(1.0)},
};
for (double[] testCase: testCases)
@ -344,6 +347,9 @@ public class FusedMultiplyAddTests {
{Float.MAX_VALUE, 2.0f, 1.0f,
InfinityF},
{1.0f+Math.ulp(1.0f), 1.0f+Math.ulp(1.0f), -1.0f-2.0f*Math.ulp(1.0f),
Math.ulp(1.0f)*Math.ulp(1.0f)},
};
for (float[] testCase: testCases)