what-the-bank/sources/com/google/common/math/ToDoubleRounder.java

146 lines
6.3 KiB
Java

package com.google.common.math;
import com.google.common.base.Preconditions;
import java.lang.Comparable;
import java.lang.Number;
import java.math.RoundingMode;
/* loaded from: classes2.dex */
abstract class ToDoubleRounder<X extends Number & Comparable<X>> {
abstract X minus(X x, X x2);
abstract double roundToDoubleArbitrarily(X x);
abstract int sign(X x);
abstract X toX(double d, RoundingMode roundingMode);
/* JADX INFO: Access modifiers changed from: package-private */
public final double roundToDouble(X x, RoundingMode roundingMode) {
X x2;
double d;
Preconditions.checkNotNull(x, "x");
Preconditions.checkNotNull(roundingMode, "mode");
double roundToDoubleArbitrarily = roundToDoubleArbitrarily(x);
if (Double.isInfinite(roundToDoubleArbitrarily)) {
switch (AnonymousClass1.$SwitchMap$java$math$RoundingMode[roundingMode.ordinal()]) {
case 1:
case 2:
case 3:
case 4:
return sign(x) * Double.MAX_VALUE;
case 5:
return roundToDoubleArbitrarily == Double.POSITIVE_INFINITY ? Double.MAX_VALUE : Double.NEGATIVE_INFINITY;
case 6:
return roundToDoubleArbitrarily == Double.POSITIVE_INFINITY ? Double.POSITIVE_INFINITY : -1.7976931348623157E308d;
case 7:
return roundToDoubleArbitrarily;
case 8:
String valueOf = String.valueOf(x);
StringBuilder sb = new StringBuilder(String.valueOf(valueOf).length() + 44);
sb.append(valueOf);
sb.append(" cannot be represented precisely as a double");
throw new ArithmeticException(sb.toString());
}
}
X x3 = toX(roundToDoubleArbitrarily, RoundingMode.UNNECESSARY);
int compareTo = ((Comparable) x).compareTo(x3);
switch (AnonymousClass1.$SwitchMap$java$math$RoundingMode[roundingMode.ordinal()]) {
case 1:
return sign(x) >= 0 ? compareTo < 0 ? DoubleUtils.nextDown(roundToDoubleArbitrarily) : roundToDoubleArbitrarily : compareTo > 0 ? Math.nextUp(roundToDoubleArbitrarily) : roundToDoubleArbitrarily;
case 2:
case 3:
case 4:
if (compareTo >= 0) {
d = Math.nextUp(roundToDoubleArbitrarily);
if (d == Double.POSITIVE_INFINITY) {
return roundToDoubleArbitrarily;
}
x2 = toX(d, RoundingMode.CEILING);
} else {
double nextDown = DoubleUtils.nextDown(roundToDoubleArbitrarily);
if (nextDown == Double.NEGATIVE_INFINITY) {
return roundToDoubleArbitrarily;
}
X x4 = toX(nextDown, RoundingMode.FLOOR);
x2 = x3;
x3 = x4;
d = roundToDoubleArbitrarily;
roundToDoubleArbitrarily = nextDown;
}
int compareTo2 = ((Comparable) minus(x, x3)).compareTo(minus(x2, x));
if (compareTo2 < 0) {
return roundToDoubleArbitrarily;
}
if (compareTo2 > 0) {
return d;
}
int i = AnonymousClass1.$SwitchMap$java$math$RoundingMode[roundingMode.ordinal()];
if (i == 2) {
return (Double.doubleToRawLongBits(roundToDoubleArbitrarily) & 1) == 0 ? roundToDoubleArbitrarily : d;
}
if (i == 3) {
return sign(x) < 0 ? d : roundToDoubleArbitrarily;
}
if (i == 4) {
return sign(x) >= 0 ? d : roundToDoubleArbitrarily;
}
throw new AssertionError("impossible");
case 5:
return compareTo < 0 ? DoubleUtils.nextDown(roundToDoubleArbitrarily) : roundToDoubleArbitrarily;
case 6:
return compareTo > 0 ? Math.nextUp(roundToDoubleArbitrarily) : roundToDoubleArbitrarily;
case 7:
return sign(x) >= 0 ? compareTo > 0 ? Math.nextUp(roundToDoubleArbitrarily) : roundToDoubleArbitrarily : compareTo < 0 ? DoubleUtils.nextDown(roundToDoubleArbitrarily) : roundToDoubleArbitrarily;
case 8:
MathPreconditions.checkRoundingUnnecessary(compareTo == 0);
return roundToDoubleArbitrarily;
default:
throw new AssertionError("impossible");
}
}
/* renamed from: com.google.common.math.ToDoubleRounder$1, reason: invalid class name */
/* loaded from: classes2.dex */
static /* synthetic */ class AnonymousClass1 {
static final int[] $SwitchMap$java$math$RoundingMode;
static {
int[] iArr = new int[RoundingMode.values().length];
$SwitchMap$java$math$RoundingMode = iArr;
try {
iArr[RoundingMode.DOWN.ordinal()] = 1;
} catch (NoSuchFieldError unused) {
}
try {
$SwitchMap$java$math$RoundingMode[RoundingMode.HALF_EVEN.ordinal()] = 2;
} catch (NoSuchFieldError unused2) {
}
try {
$SwitchMap$java$math$RoundingMode[RoundingMode.HALF_DOWN.ordinal()] = 3;
} catch (NoSuchFieldError unused3) {
}
try {
$SwitchMap$java$math$RoundingMode[RoundingMode.HALF_UP.ordinal()] = 4;
} catch (NoSuchFieldError unused4) {
}
try {
$SwitchMap$java$math$RoundingMode[RoundingMode.FLOOR.ordinal()] = 5;
} catch (NoSuchFieldError unused5) {
}
try {
$SwitchMap$java$math$RoundingMode[RoundingMode.CEILING.ordinal()] = 6;
} catch (NoSuchFieldError unused6) {
}
try {
$SwitchMap$java$math$RoundingMode[RoundingMode.UP.ordinal()] = 7;
} catch (NoSuchFieldError unused7) {
}
try {
$SwitchMap$java$math$RoundingMode[RoundingMode.UNNECESSARY.ordinal()] = 8;
} catch (NoSuchFieldError unused8) {
}
}
}
}