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8183173: Add private constructors to Fdlibm-internal classes

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Reviewed-by: bpb
This commit is contained in:
Joe Darcy 2017-06-28 17:23:37 -07:00
parent 62e3518cc5
commit 22bcf60705
1 changed files with 17 additions and 1 deletions
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18
jdk/src/java.base/share/classes/java/lang/FdLibm.java
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 1998, 2016, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -116,6 +116,10 @@ class FdLibm {
private static final double F = 0x1.9b6db6db6db6ep0; // 45/28 ~= 1.60714285714285720630e+00 private static final double F = 0x1.9b6db6db6db6ep0; // 45/28 ~= 1.60714285714285720630e+00
private static final double G = 0x1.6db6db6db6db7p-2; // 5/14 ~= 3.57142857142857150787e-01 private static final double G = 0x1.6db6db6db6db7p-2; // 5/14 ~= 3.57142857142857150787e-01
private Cbrt() {
throw new UnsupportedOperationException();
}
public static strictfp double compute(double x) { public static strictfp double compute(double x) {
double t = 0.0; double t = 0.0;
double sign; double sign;
@ -195,6 +199,10 @@ class FdLibm {
public static final double TWO_MINUS_600 = 0x1.0p-600; public static final double TWO_MINUS_600 = 0x1.0p-600;
public static final double TWO_PLUS_600 = 0x1.0p+600; public static final double TWO_PLUS_600 = 0x1.0p+600;
private Hypot() {
throw new UnsupportedOperationException();
}
public static strictfp double compute(double x, double y) { public static strictfp double compute(double x, double y) {
double a = Math.abs(x); double a = Math.abs(x);
double b = Math.abs(y); double b = Math.abs(y);
@ -331,6 +339,10 @@ class FdLibm {
* representable. * representable.
*/ */
public static class Pow { public static class Pow {
private Pow() {
throw new UnsupportedOperationException();
}
public static strictfp double compute(final double x, final double y) { public static strictfp double compute(final double x, final double y) {
double z; double z;
double r, s, t, u, v, w; double r, s, t, u, v, w;
@ -664,6 +676,10 @@ class FdLibm {
private static final double P4 = -0x1.bbd41c5d26bf1p-20; // -1.65339022054652515390e-06 private static final double P4 = -0x1.bbd41c5d26bf1p-20; // -1.65339022054652515390e-06
private static final double P5 = 0x1.6376972bea4d0p-25; // 4.13813679705723846039e-08 private static final double P5 = 0x1.6376972bea4d0p-25; // 4.13813679705723846039e-08
private Exp() {
throw new UnsupportedOperationException();
}
// should be able to forgo strictfp due to controlled over/underflow // should be able to forgo strictfp due to controlled over/underflow
public static strictfp double compute(double x) { public static strictfp double compute(double x) {
double y; double y;