81 lines
2.0 KiB
Java
81 lines
2.0 KiB
Java
package com.google.zxing.oned.rss;
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/* loaded from: classes.dex */
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public final class RSSUtils {
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public static int a(int[] iArr, int i, boolean z) {
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int[] iArr2 = iArr;
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int i2 = 0;
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for (int i3 : iArr2) {
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i2 += i3;
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}
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int length = iArr2.length;
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int i4 = i2;
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int i5 = 0;
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int i6 = 0;
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int i7 = 0;
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while (true) {
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int i8 = length - 1;
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if (i5 >= i8) {
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return i6;
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}
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int i9 = 1 << i5;
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int i10 = i7 | i9;
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int i11 = i6;
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int i12 = 1;
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while (i12 < iArr2[i5]) {
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int i13 = i4 - i12;
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int i14 = length - i5;
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int i15 = i14 - 2;
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int a = a(i13 - 1, i15);
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if (z && i10 == 0) {
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int i16 = i14 - 1;
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if (i13 - i16 >= i16) {
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a -= a(i13 - i14, i15);
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}
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}
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if (i14 - 1 > 1) {
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int i17 = 0;
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for (int i18 = i13 - i15; i18 > i; i18--) {
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i17 += a((i13 - i18) - 1, i14 - 3);
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}
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a -= i17 * (i8 - i5);
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} else if (i13 > i) {
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a--;
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}
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i11 += a;
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i12++;
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i10 &= ~i9;
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iArr2 = iArr;
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}
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i4 -= i12;
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i5++;
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iArr2 = iArr;
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i6 = i11;
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i7 = i10;
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}
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}
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private static int a(int i, int i2) {
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int i3 = i - i2;
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if (i3 > i2) {
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i3 = i2;
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i2 = i3;
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}
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int i4 = 1;
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int i5 = 1;
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while (i > i2) {
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i4 *= i;
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if (i5 <= i3) {
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i4 /= i5;
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i5++;
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}
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i--;
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}
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while (i5 <= i3) {
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i4 /= i5;
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i5++;
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}
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return i4;
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}
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}
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