jimu-decompiled/sources/com/google/zxing/common/reedsolomon/GenericGF.java
2025-05-13 19:24:51 +02:00

116 lines
2.9 KiB
Java

package com.google.zxing.common.reedsolomon;
import com.ijm.dataencryption.de.DataDecryptTool;
import com.ubt.jimu.base.util.FileUtil;
import com.ubt.jimu.diy.model.DiyPreviewStep;
/* loaded from: classes.dex */
public final class GenericGF {
public static final GenericGF h = new GenericGF(4201, FileUtil.ZIP_BUFFER_SIZE, 1);
public static final GenericGF i = new GenericGF(1033, DataDecryptTool.DECRYPT_SP_FILE, 1);
public static final GenericGF j = new GenericGF(67, 64, 1);
public static final GenericGF k = new GenericGF(19, 16, 1);
public static final GenericGF l = new GenericGF(285, DataDecryptTool.DECRYPT_ALL_FILE, 0);
public static final GenericGF m;
public static final GenericGF n;
public static final GenericGF o;
private final int[] a;
private final int[] b;
private final GenericGFPoly c;
private final GenericGFPoly d;
private final int e;
private final int f;
private final int g;
static {
GenericGF genericGF = new GenericGF(DiyPreviewStep.TYPE_PROGRAM, DataDecryptTool.DECRYPT_ALL_FILE, 1);
m = genericGF;
n = genericGF;
o = j;
}
public GenericGF(int i2, int i3, int i4) {
this.f = i2;
this.e = i3;
this.g = i4;
this.a = new int[i3];
this.b = new int[i3];
int i5 = 1;
for (int i6 = 0; i6 < i3; i6++) {
this.a[i6] = i5;
i5 <<= 1;
if (i5 >= i3) {
i5 = (i5 ^ i2) & (i3 - 1);
}
}
for (int i7 = 0; i7 < i3 - 1; i7++) {
this.b[this.a[i7]] = i7;
}
this.c = new GenericGFPoly(this, new int[]{0});
this.d = new GenericGFPoly(this, new int[]{1});
}
static int c(int i2, int i3) {
return i2 ^ i3;
}
GenericGFPoly a(int i2, int i3) {
if (i2 < 0) {
throw new IllegalArgumentException();
}
if (i3 == 0) {
return this.c;
}
int[] iArr = new int[i2 + 1];
iArr[0] = i3;
return new GenericGFPoly(this, iArr);
}
GenericGFPoly b() {
return this.d;
}
int c(int i2) {
if (i2 != 0) {
return this.b[i2];
}
throw new IllegalArgumentException();
}
GenericGFPoly d() {
return this.c;
}
public String toString() {
return "GF(0x" + Integer.toHexString(this.f) + ',' + this.e + ')';
}
int b(int i2) {
if (i2 != 0) {
return this.a[(this.e - this.b[i2]) - 1];
}
throw new ArithmeticException();
}
public int c() {
return this.e;
}
int b(int i2, int i3) {
if (i2 == 0 || i3 == 0) {
return 0;
}
int[] iArr = this.a;
int[] iArr2 = this.b;
return iArr[(iArr2[i2] + iArr2[i3]) % (this.e - 1)];
}
int a(int i2) {
return this.a[i2];
}
public int a() {
return this.g;
}
}