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8149896: Remove unnecessary values in FloatConsts and DoubleConsts

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Reviewed-by: shade, psandoz, lbourges, mduigou
This commit is contained in:
Joe Darcy 2016-02-16 09:09:31 -08:00
parent e4e9015254
commit a188f9045f
9 changed files with 59 additions and 131 deletions
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12
jdk/src/java.base/share/classes/java/lang/Float.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1994, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1994, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -26,8 +26,6 @@
package java.lang;
import jdk.internal.math.FloatingDecimal;
import jdk.internal.math.FloatConsts;
import jdk.internal.math.DoubleConsts;
import jdk.internal.HotSpotIntrinsicCandidate;
/**
@ -282,15 +280,15 @@ public final class Float extends Number implements Comparable<Float> {
* @author Joseph D. Darcy
*/
public static String toHexString(float f) {
if (Math.abs(f) < FloatConsts.MIN_NORMAL
if (Math.abs(f) < Float.MIN_NORMAL
&& f != 0.0f ) {// float subnormal
// Adjust exponent to create subnormal double, then
// replace subnormal double exponent with subnormal float
// exponent
String s = Double.toHexString(Math.scalb((double)f,
/* -1022+126 */
DoubleConsts.MIN_EXPONENT-
FloatConsts.MIN_EXPONENT));
Double.MIN_EXPONENT-
Float.MIN_EXPONENT));
return s.replaceFirst("p-1022$", "p-126");
}
else // double string will be the same as float string
@ -489,7 +487,7 @@ public final class Float extends Number implements Comparable<Float> {
* @since 1.8
*/
public static boolean isFinite(float f) {
return Math.abs(f) <= FloatConsts.MAX_VALUE;
return Math.abs(f) <= Float.MAX_VALUE;
}
/**