init

smali_classes3/com/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode.smali

@@ -0,0 +1,172 @@
+.class final enum Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+.super Ljava/lang/Enum;
+.source "DecodedBitStreamParser.java"
+
+
+# annotations
+.annotation system Ldalvik/annotation/EnclosingClass;
+    value = Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser;
+.end annotation
+
+.annotation system Ldalvik/annotation/InnerClass;
+    accessFlags = 0x4019
+    name = "Mode"
+.end annotation
+
+.annotation system Ldalvik/annotation/Signature;
+    value = {
+        "Ljava/lang/Enum<",
+        "Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;",
+        ">;"
+    }
+.end annotation
+
+
+# static fields
+.field public static final enum ALPHA:Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+.field public static final enum ALPHA_SHIFT:Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+.field private static final synthetic ENUM$VALUES:[Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+.field public static final enum LOWER:Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+.field public static final enum MIXED:Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+.field public static final enum PUNCT:Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+.field public static final enum PUNCT_SHIFT:Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+
+# direct methods
+.method public static constructor <clinit>()V
+    .locals 13
+
+    .line 1
+    new-instance v0, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+    const-string v1, "ALPHA"
+
+    const/4 v2, 0x0
+
+    invoke-direct {v0, v1, v2}, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;-><init>(Ljava/lang/String;I)V
+
+    sput-object v0, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;->ALPHA:Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+    .line 2
+    new-instance v1, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+    const-string v3, "LOWER"
+
+    const/4 v4, 0x1
+
+    invoke-direct {v1, v3, v4}, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;-><init>(Ljava/lang/String;I)V
+
+    sput-object v1, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;->LOWER:Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+    .line 3
+    new-instance v3, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+    const-string v5, "MIXED"
+
+    const/4 v6, 0x2
+
+    invoke-direct {v3, v5, v6}, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;-><init>(Ljava/lang/String;I)V
+
+    sput-object v3, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;->MIXED:Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+    .line 4
+    new-instance v5, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+    const-string v7, "PUNCT"
+
+    const/4 v8, 0x3
+
+    invoke-direct {v5, v7, v8}, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;-><init>(Ljava/lang/String;I)V
+
+    sput-object v5, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;->PUNCT:Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+    .line 5
+    new-instance v7, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+    const-string v9, "ALPHA_SHIFT"
+
+    const/4 v10, 0x4
+
+    invoke-direct {v7, v9, v10}, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;-><init>(Ljava/lang/String;I)V
+
+    sput-object v7, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;->ALPHA_SHIFT:Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+    .line 6
+    new-instance v9, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+    const-string v11, "PUNCT_SHIFT"
+
+    const/4 v12, 0x5
+
+    invoke-direct {v9, v11, v12}, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;-><init>(Ljava/lang/String;I)V
+
+    sput-object v9, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;->PUNCT_SHIFT:Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+    const/4 v11, 0x6
+
+    new-array v11, v11, [Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+    aput-object v0, v11, v2
+
+    aput-object v1, v11, v4
+
+    aput-object v3, v11, v6
+
+    aput-object v5, v11, v8
+
+    aput-object v7, v11, v10
+
+    aput-object v9, v11, v12
+
+    .line 7
+    sput-object v11, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;->ENUM$VALUES:[Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+    return-void
+.end method
+
+.method private constructor <init>(Ljava/lang/String;I)V
+    .locals 0
+
+    .line 1
+    invoke-direct {p0, p1, p2}, Ljava/lang/Enum;-><init>(Ljava/lang/String;I)V
+
+    return-void
+.end method
+
+.method public static valueOf(Ljava/lang/String;)Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+    .locals 1
+
+    .line 1
+    const-class v0, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+    invoke-static {v0, p0}, Ljava/lang/Enum;->valueOf(Ljava/lang/Class;Ljava/lang/String;)Ljava/lang/Enum;
+
+    move-result-object p0
+
+    check-cast p0, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+    return-object p0
+.end method
+
+.method public static values()[Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+    .locals 4
+
+    .line 1
+    sget-object v0, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;->ENUM$VALUES:[Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+    array-length v1, v0
+
+    new-array v2, v1, [Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser$Mode;
+
+    const/4 v3, 0x0
+
+    invoke-static {v0, v3, v2, v3, v1}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
+
+    return-object v2
+.end method

smali_classes3/com/google/zxing/pdf417/decoder/Decoder.smali

@@ -0,0 +1,262 @@
+.class public final Lcom/google/zxing/pdf417/decoder/Decoder;
+.super Ljava/lang/Object;
+.source "Decoder.java"
+
+
+# static fields
+.field private static final MAX_EC_CODEWORDS:I = 0x200
+
+.field private static final MAX_ERRORS:I = 0x3
+
+
+# instance fields
+.field private final errorCorrection:Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;
+
+
+# direct methods
+.method public constructor <init>()V
+    .locals 1
+
+    .line 1
+    invoke-direct {p0}, Ljava/lang/Object;-><init>()V
+
+    .line 2
+    new-instance v0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;
+
+    invoke-direct {v0}, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;-><init>()V
+
+    iput-object v0, p0, Lcom/google/zxing/pdf417/decoder/Decoder;->errorCorrection:Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;
+
+    return-void
+.end method
+
+.method private correctErrors([I[II)V
+    .locals 2
+    .annotation system Ldalvik/annotation/Throws;
+        value = {
+            Lcom/google/zxing/ChecksumException;
+        }
+    .end annotation
+
+    .line 1
+    array-length v0, p2
+
+    div-int/lit8 v1, p3, 0x2
+
+    add-int/lit8 v1, v1, 0x3
+
+    if-gt v0, v1, :cond_0
+
+    if-ltz p3, :cond_0
+
+    const/16 v0, 0x200
+
+    if-gt p3, v0, :cond_0
+
+    .line 2
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/Decoder;->errorCorrection:Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;
+
+    invoke-virtual {v0, p1, p3, p2}, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->decode([II[I)V
+
+    return-void
+
+    .line 3
+    :cond_0
+    invoke-static {}, Lcom/google/zxing/ChecksumException;->getChecksumInstance()Lcom/google/zxing/ChecksumException;
+
+    move-result-object p1
+
+    throw p1
+.end method
+
+.method private static verifyCodewordCount([II)V
+    .locals 3
+    .annotation system Ldalvik/annotation/Throws;
+        value = {
+            Lcom/google/zxing/FormatException;
+        }
+    .end annotation
+
+    .line 1
+    array-length v0, p0
+
+    const/4 v1, 0x4
+
+    if-lt v0, v1, :cond_3
+
+    const/4 v0, 0x0
+
+    .line 2
+    aget v1, p0, v0
+
+    .line 3
+    array-length v2, p0
+
+    if-gt v1, v2, :cond_2
+
+    if-nez v1, :cond_1
+
+    .line 4
+    array-length v1, p0
+
+    if-ge p1, v1, :cond_0
+
+    .line 5
+    array-length v1, p0
+
+    sub-int/2addr v1, p1
+
+    aput v1, p0, v0
+
+    goto :goto_0
+
+    .line 6
+    :cond_0
+    invoke-static {}, Lcom/google/zxing/FormatException;->getFormatInstance()Lcom/google/zxing/FormatException;
+
+    move-result-object p0
+
+    throw p0
+
+    :cond_1
+    :goto_0
+    return-void
+
+    .line 7
+    :cond_2
+    invoke-static {}, Lcom/google/zxing/FormatException;->getFormatInstance()Lcom/google/zxing/FormatException;
+
+    move-result-object p0
+
+    throw p0
+
+    .line 8
+    :cond_3
+    invoke-static {}, Lcom/google/zxing/FormatException;->getFormatInstance()Lcom/google/zxing/FormatException;
+
+    move-result-object p0
+
+    throw p0
+.end method
+
+
+# virtual methods
+.method public decode(Lcom/google/zxing/common/BitMatrix;)Lcom/google/zxing/common/DecoderResult;
+    .locals 3
+    .annotation system Ldalvik/annotation/Throws;
+        value = {
+            Lcom/google/zxing/FormatException;,
+            Lcom/google/zxing/ChecksumException;
+        }
+    .end annotation
+
+    .line 6
+    new-instance v0, Lcom/google/zxing/pdf417/decoder/BitMatrixParser;
+
+    invoke-direct {v0, p1}, Lcom/google/zxing/pdf417/decoder/BitMatrixParser;-><init>(Lcom/google/zxing/common/BitMatrix;)V
+
+    .line 7
+    invoke-virtual {v0}, Lcom/google/zxing/pdf417/decoder/BitMatrixParser;->readCodewords()[I
+
+    move-result-object p1
+
+    .line 8
+    array-length v1, p1
+
+    if-eqz v1, :cond_0
+
+    .line 9
+    invoke-virtual {v0}, Lcom/google/zxing/pdf417/decoder/BitMatrixParser;->getECLevel()I
+
+    move-result v1
+
+    const/4 v2, 0x1
+
+    add-int/2addr v1, v2
+
+    shl-int v1, v2, v1
+
+    .line 10
+    invoke-virtual {v0}, Lcom/google/zxing/pdf417/decoder/BitMatrixParser;->getErasures()[I
+
+    move-result-object v0
+
+    .line 11
+    invoke-direct {p0, p1, v0, v1}, Lcom/google/zxing/pdf417/decoder/Decoder;->correctErrors([I[II)V
+
+    .line 12
+    invoke-static {p1, v1}, Lcom/google/zxing/pdf417/decoder/Decoder;->verifyCodewordCount([II)V
+
+    .line 13
+    invoke-static {p1}, Lcom/google/zxing/pdf417/decoder/DecodedBitStreamParser;->decode([I)Lcom/google/zxing/common/DecoderResult;
+
+    move-result-object p1
+
+    return-object p1
+
+    .line 14
+    :cond_0
+    invoke-static {}, Lcom/google/zxing/FormatException;->getFormatInstance()Lcom/google/zxing/FormatException;
+
+    move-result-object p1
+
+    throw p1
+.end method
+
+.method public decode([[Z)Lcom/google/zxing/common/DecoderResult;
+    .locals 6
+    .annotation system Ldalvik/annotation/Throws;
+        value = {
+            Lcom/google/zxing/FormatException;,
+            Lcom/google/zxing/ChecksumException;
+        }
+    .end annotation
+
+    .line 1
+    array-length v0, p1
+
+    .line 2
+    new-instance v1, Lcom/google/zxing/common/BitMatrix;
+
+    invoke-direct {v1, v0}, Lcom/google/zxing/common/BitMatrix;-><init>(I)V
+
+    const/4 v2, 0x0
+
+    move v3, v2
+
+    :goto_0
+    if-lt v3, v0, :cond_0
+
+    .line 3
+    invoke-virtual {p0, v1}, Lcom/google/zxing/pdf417/decoder/Decoder;->decode(Lcom/google/zxing/common/BitMatrix;)Lcom/google/zxing/common/DecoderResult;
+
+    move-result-object p1
+
+    return-object p1
+
+    :cond_0
+    move v4, v2
+
+    :goto_1
+    if-lt v4, v0, :cond_1
+
+    add-int/lit8 v3, v3, 0x1
+
+    goto :goto_0
+
+    .line 4
+    :cond_1
+    aget-object v5, p1, v4
+
+    aget-boolean v5, v5, v3
+
+    if-eqz v5, :cond_2
+
+    .line 5
+    invoke-virtual {v1, v4, v3}, Lcom/google/zxing/common/BitMatrix;->set(II)V
+
+    :cond_2
+    add-int/lit8 v4, v4, 0x1
+
+    goto :goto_1
+.end method

smali_classes3/com/google/zxing/pdf417/decoder/ec/ErrorCorrection.smali

@@ -0,0 +1,650 @@
+.class public final Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;
+.super Ljava/lang/Object;
+.source "ErrorCorrection.java"
+
+
+# instance fields
+.field private final field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+
+# direct methods
+.method public constructor <init>()V
+    .locals 1
+
+    .line 1
+    invoke-direct {p0}, Ljava/lang/Object;-><init>()V
+
+    .line 2
+    sget-object v0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->PDF417_GF:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    iput-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    return-void
+.end method
+
+.method private findErrorLocations(Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;)[I
+    .locals 5
+    .annotation system Ldalvik/annotation/Throws;
+        value = {
+            Lcom/google/zxing/ChecksumException;
+        }
+    .end annotation
+
+    .line 1
+    invoke-virtual {p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getDegree()I
+
+    move-result v0
+
+    .line 2
+    new-array v1, v0, [I
+
+    const/4 v2, 0x1
+
+    const/4 v3, 0x0
+
+    .line 3
+    :goto_0
+    iget-object v4, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v4}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->getSize()I
+
+    move-result v4
+
+    if-ge v2, v4, :cond_2
+
+    if-lt v3, v0, :cond_0
+
+    goto :goto_1
+
+    .line 4
+    :cond_0
+    invoke-virtual {p1, v2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->evaluateAt(I)I
+
+    move-result v4
+
+    if-nez v4, :cond_1
+
+    .line 5
+    iget-object v4, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v4, v2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->inverse(I)I
+
+    move-result v4
+
+    aput v4, v1, v3
+
+    add-int/lit8 v3, v3, 0x1
+
+    :cond_1
+    add-int/lit8 v2, v2, 0x1
+
+    goto :goto_0
+
+    :cond_2
+    :goto_1
+    if-ne v3, v0, :cond_3
+
+    return-object v1
+
+    .line 6
+    :cond_3
+    invoke-static {}, Lcom/google/zxing/ChecksumException;->getChecksumInstance()Lcom/google/zxing/ChecksumException;
+
+    move-result-object p1
+
+    throw p1
+.end method
+
+.method private findErrorMagnitudes(Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;[I)[I
+    .locals 7
+
+    .line 1
+    invoke-virtual {p2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getDegree()I
+
+    move-result v0
+
+    .line 2
+    new-array v1, v0, [I
+
+    const/4 v2, 0x1
+
+    :goto_0
+    if-le v2, v0, :cond_1
+
+    .line 3
+    new-instance v3, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    iget-object p2, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-direct {v3, p2, v1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;-><init>(Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;[I)V
+
+    .line 4
+    array-length v4, p3
+
+    .line 5
+    new-array v5, v4, [I
+
+    const/4 v6, 0x0
+
+    move p2, v6
+
+    :goto_1
+    if-lt p2, v4, :cond_0
+
+    return-object v5
+
+    .line 6
+    :cond_0
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    aget v1, p3, p2
+
+    invoke-virtual {v0, v1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->inverse(I)I
+
+    move-result v0
+
+    .line 7
+    iget-object v1, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {p1, v0}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->evaluateAt(I)I
+
+    move-result v2
+
+    invoke-virtual {v1, v6, v2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->subtract(II)I
+
+    move-result v1
+
+    .line 8
+    iget-object v2, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v3, v0}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->evaluateAt(I)I
+
+    move-result v0
+
+    invoke-virtual {v2, v0}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->inverse(I)I
+
+    move-result v0
+
+    .line 9
+    iget-object v2, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v2, v1, v0}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->multiply(II)I
+
+    move-result v0
+
+    aput v0, v5, p2
+
+    add-int/lit8 p2, p2, 0x1
+
+    goto :goto_1
+
+    :cond_1
+    sub-int v3, v0, v2
+
+    .line 10
+    iget-object v4, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {p2, v2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getCoefficient(I)I
+
+    move-result v5
+
+    invoke-virtual {v4, v2, v5}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->multiply(II)I
+
+    move-result v4
+
+    .line 11
+    aput v4, v1, v3
+
+    add-int/lit8 v2, v2, 0x1
+
+    goto :goto_0
+.end method
+
+.method private runEuclideanAlgorithm(Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;I)[Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+    .locals 9
+    .annotation system Ldalvik/annotation/Throws;
+        value = {
+            Lcom/google/zxing/ChecksumException;
+        }
+    .end annotation
+
+    .line 1
+    invoke-virtual {p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getDegree()I
+
+    move-result v0
+
+    invoke-virtual {p2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getDegree()I
+
+    move-result v1
+
+    if-ge v0, v1, :cond_0
+
+    move-object v7, p2
+
+    move-object p2, p1
+
+    move-object p1, v7
+
+    .line 2
+    :cond_0
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v0}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->getZero()Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object v0
+
+    .line 3
+    iget-object v1, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->getOne()Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object v1
+
+    move-object v7, p2
+
+    move-object p2, p1
+
+    move-object p1, v7
+
+    .line 4
+    :goto_0
+    invoke-virtual {p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getDegree()I
+
+    move-result v2
+
+    const/4 v3, 0x2
+
+    div-int/lit8 v4, p3, 0x2
+
+    if-ge v2, v4, :cond_2
+
+    const/4 p2, 0x0
+
+    .line 5
+    invoke-virtual {v1, p2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getCoefficient(I)I
+
+    move-result p3
+
+    if-eqz p3, :cond_1
+
+    .line 6
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v0, p3}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->inverse(I)I
+
+    move-result p3
+
+    .line 7
+    invoke-virtual {v1, p3}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->multiply(I)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object v0
+
+    .line 8
+    invoke-virtual {p1, p3}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->multiply(I)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object p1
+
+    new-array p3, v3, [Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    aput-object v0, p3, p2
+
+    const/4 p2, 0x1
+
+    aput-object p1, p3, p2
+
+    return-object p3
+
+    .line 9
+    :cond_1
+    invoke-static {}, Lcom/google/zxing/ChecksumException;->getChecksumInstance()Lcom/google/zxing/ChecksumException;
+
+    move-result-object p1
+
+    throw p1
+
+    .line 10
+    :cond_2
+    invoke-virtual {p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->isZero()Z
+
+    move-result v2
+
+    if-nez v2, :cond_5
+
+    .line 11
+    iget-object v2, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->getZero()Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object v2
+
+    .line 12
+    invoke-virtual {p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getDegree()I
+
+    move-result v3
+
+    invoke-virtual {p1, v3}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getCoefficient(I)I
+
+    move-result v3
+
+    .line 13
+    iget-object v4, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v4, v3}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->inverse(I)I
+
+    move-result v3
+
+    .line 14
+    :goto_1
+    invoke-virtual {p2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getDegree()I
+
+    move-result v4
+
+    invoke-virtual {p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getDegree()I
+
+    move-result v5
+
+    if-lt v4, v5, :cond_4
+
+    invoke-virtual {p2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->isZero()Z
+
+    move-result v4
+
+    if-eqz v4, :cond_3
+
+    goto :goto_2
+
+    .line 15
+    :cond_3
+    invoke-virtual {p2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getDegree()I
+
+    move-result v4
+
+    invoke-virtual {p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getDegree()I
+
+    move-result v5
+
+    sub-int/2addr v4, v5
+
+    .line 16
+    iget-object v5, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {p2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getDegree()I
+
+    move-result v6
+
+    invoke-virtual {p2, v6}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getCoefficient(I)I
+
+    move-result v6
+
+    invoke-virtual {v5, v6, v3}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->multiply(II)I
+
+    move-result v5
+
+    .line 17
+    iget-object v6, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v6, v4, v5}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->buildMonomial(II)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object v6
+
+    invoke-virtual {v2, v6}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->add(Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object v2
+
+    .line 18
+    invoke-virtual {p1, v4, v5}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->multiplyByMonomial(II)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object v4
+
+    invoke-virtual {p2, v4}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->subtract(Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object p2
+
+    goto :goto_1
+
+    .line 19
+    :cond_4
+    :goto_2
+    invoke-virtual {v2, v1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->multiply(Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object v2
+
+    invoke-virtual {v2, v0}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->subtract(Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object v0
+
+    invoke-virtual {v0}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->negative()Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object v0
+
+    move-object v7, p2
+
+    move-object p2, p1
+
+    move-object p1, v7
+
+    move-object v8, v1
+
+    move-object v1, v0
+
+    move-object v0, v8
+
+    goto/16 :goto_0
+
+    .line 20
+    :cond_5
+    invoke-static {}, Lcom/google/zxing/ChecksumException;->getChecksumInstance()Lcom/google/zxing/ChecksumException;
+
+    move-result-object p1
+
+    throw p1
+.end method
+
+
+# virtual methods
+.method public decode([II[I)V
+    .locals 10
+    .annotation system Ldalvik/annotation/Throws;
+        value = {
+            Lcom/google/zxing/ChecksumException;
+        }
+    .end annotation
+
+    .line 1
+    new-instance v0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    iget-object v1, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-direct {v0, v1, p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;-><init>(Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;[I)V
+
+    .line 2
+    new-array v1, p2, [I
+
+    const/4 v2, 0x0
+
+    move v3, p2
+
+    move v4, v2
+
+    :goto_0
+    const/4 v5, 0x1
+
+    if-gtz v3, :cond_4
+
+    if-eqz v4, :cond_3
+
+    .line 3
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v0}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->getOne()Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object v0
+
+    .line 4
+    array-length v3, p3
+
+    move v4, v2
+
+    :goto_1
+    if-lt v4, v3, :cond_2
+
+    .line 5
+    new-instance p3, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-direct {p3, v0, v1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;-><init>(Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;[I)V
+
+    .line 6
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v0, p2, v5}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->buildMonomial(II)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object v0
+
+    invoke-direct {p0, v0, p3, p2}, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->runEuclideanAlgorithm(Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;I)[Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object p2
+
+    .line 7
+    aget-object p3, p2, v2
+
+    .line 8
+    aget-object p2, p2, v5
+
+    .line 9
+    invoke-direct {p0, p3}, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->findErrorLocations(Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;)[I
+
+    move-result-object v0
+
+    .line 10
+    invoke-direct {p0, p2, p3, v0}, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->findErrorMagnitudes(Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;[I)[I
+
+    move-result-object p2
+
+    .line 11
+    :goto_2
+    array-length p3, v0
+
+    if-lt v2, p3, :cond_0
+
+    goto :goto_3
+
+    .line 12
+    :cond_0
+    array-length p3, p1
+
+    sub-int/2addr p3, v5
+
+    iget-object v1, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    aget v3, v0, v2
+
+    invoke-virtual {v1, v3}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->log(I)I
+
+    move-result v1
+
+    sub-int/2addr p3, v1
+
+    if-ltz p3, :cond_1
+
+    .line 13
+    iget-object v1, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    aget v3, p1, p3
+
+    aget v4, p2, v2
+
+    invoke-virtual {v1, v3, v4}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->subtract(II)I
+
+    move-result v1
+
+    aput v1, p1, p3
+
+    add-int/lit8 v2, v2, 0x1
+
+    goto :goto_2
+
+    .line 14
+    :cond_1
+    invoke-static {}, Lcom/google/zxing/ChecksumException;->getChecksumInstance()Lcom/google/zxing/ChecksumException;
+
+    move-result-object p1
+
+    throw p1
+
+    .line 15
+    :cond_2
+    aget v6, p3, v4
+
+    .line 16
+    iget-object v7, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    array-length v8, p1
+
+    sub-int/2addr v8, v5
+
+    sub-int/2addr v8, v6
+
+    invoke-virtual {v7, v8}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->exp(I)I
+
+    move-result v6
+
+    .line 17
+    new-instance v7, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    iget-object v8, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    const/4 v9, 0x2
+
+    new-array v9, v9, [I
+
+    invoke-virtual {v8, v2, v6}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->subtract(II)I
+
+    move-result v6
+
+    aput v6, v9, v2
+
+    aput v5, v9, v5
+
+    invoke-direct {v7, v8, v9}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;-><init>(Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;[I)V
+
+    .line 18
+    invoke-virtual {v0, v7}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->multiply(Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object v0
+
+    add-int/lit8 v4, v4, 0x1
+
+    goto :goto_1
+
+    :cond_3
+    :goto_3
+    return-void
+
+    .line 19
+    :cond_4
+    iget-object v6, p0, Lcom/google/zxing/pdf417/decoder/ec/ErrorCorrection;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v6, v3}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->exp(I)I
+
+    move-result v6
+
+    invoke-virtual {v0, v6}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->evaluateAt(I)I
+
+    move-result v6
+
+    sub-int v7, p2, v3
+
+    .line 20
+    aput v6, v1, v7
+
+    if-eqz v6, :cond_5
+
+    move v4, v5
+
+    :cond_5
+    add-int/lit8 v3, v3, -0x1
+
+    goto/16 :goto_0
+.end method

smali_classes3/com/google/zxing/pdf417/decoder/ec/ModulusGF.smali

@@ -0,0 +1,324 @@
+.class public final Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+.super Ljava/lang/Object;
+.source "ModulusGF.java"
+
+
+# static fields
+.field public static final PDF417_GF:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+
+# instance fields
+.field private final expTable:[I
+
+.field private final logTable:[I
+
+.field private final modulus:I
+
+.field private final one:Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+.field private final zero:Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+
+# direct methods
+.method public static constructor <clinit>()V
+    .locals 3
+
+    .line 1
+    new-instance v0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    const/16 v1, 0x3a1
+
+    const/4 v2, 0x3
+
+    invoke-direct {v0, v1, v2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;-><init>(II)V
+
+    sput-object v0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->PDF417_GF:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    return-void
+.end method
+
+.method public constructor <init>(II)V
+    .locals 5
+
+    .line 1
+    invoke-direct {p0}, Ljava/lang/Object;-><init>()V
+
+    .line 2
+    iput p1, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->modulus:I
+
+    .line 3
+    new-array v0, p1, [I
+
+    iput-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->expTable:[I
+
+    .line 4
+    new-array v0, p1, [I
+
+    iput-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->logTable:[I
+
+    const/4 v0, 0x0
+
+    const/4 v1, 0x1
+
+    move v2, v0
+
+    move v3, v1
+
+    :goto_0
+    if-lt v2, p1, :cond_1
+
+    move p2, v0
+
+    :goto_1
+    add-int/lit8 v2, p1, -0x1
+
+    if-lt p2, v2, :cond_0
+
+    .line 5
+    new-instance p1, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    new-array p2, v1, [I
+
+    invoke-direct {p1, p0, p2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;-><init>(Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;[I)V
+
+    iput-object p1, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->zero:Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    .line 6
+    new-instance p1, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    new-array p2, v1, [I
+
+    aput v1, p2, v0
+
+    invoke-direct {p1, p0, p2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;-><init>(Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;[I)V
+
+    iput-object p1, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->one:Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    return-void
+
+    .line 7
+    :cond_0
+    iget-object v2, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->logTable:[I
+
+    iget-object v3, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->expTable:[I
+
+    aget v3, v3, p2
+
+    aput p2, v2, v3
+
+    add-int/lit8 p2, p2, 0x1
+
+    goto :goto_1
+
+    .line 8
+    :cond_1
+    iget-object v4, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->expTable:[I
+
+    aput v3, v4, v2
+
+    mul-int/2addr v3, p2
+
+    .line 9
+    rem-int/2addr v3, p1
+
+    add-int/lit8 v2, v2, 0x1
+
+    goto :goto_0
+.end method
+
+
+# virtual methods
+.method public add(II)I
+    .locals 0
+
+    add-int/2addr p1, p2
+
+    .line 1
+    iget p2, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->modulus:I
+
+    rem-int/2addr p1, p2
+
+    return p1
+.end method
+
+.method public buildMonomial(II)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+    .locals 1
+
+    if-ltz p1, :cond_1
+
+    if-nez p2, :cond_0
+
+    .line 1
+    iget-object p1, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->zero:Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    return-object p1
+
+    :cond_0
+    add-int/lit8 p1, p1, 0x1
+
+    .line 2
+    new-array p1, p1, [I
+
+    const/4 v0, 0x0
+
+    .line 3
+    aput p2, p1, v0
+
+    .line 4
+    new-instance p2, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    invoke-direct {p2, p0, p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;-><init>(Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;[I)V
+
+    return-object p2
+
+    .line 5
+    :cond_1
+    new-instance p1, Ljava/lang/IllegalArgumentException;
+
+    invoke-direct {p1}, Ljava/lang/IllegalArgumentException;-><init>()V
+
+    throw p1
+.end method
+
+.method public exp(I)I
+    .locals 1
+
+    .line 1
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->expTable:[I
+
+    aget p1, v0, p1
+
+    return p1
+.end method
+
+.method public getOne()Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+    .locals 1
+
+    .line 1
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->one:Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    return-object v0
+.end method
+
+.method public getSize()I
+    .locals 1
+
+    .line 1
+    iget v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->modulus:I
+
+    return v0
+.end method
+
+.method public getZero()Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+    .locals 1
+
+    .line 1
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->zero:Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    return-object v0
+.end method
+
+.method public inverse(I)I
+    .locals 3
+
+    if-eqz p1, :cond_0
+
+    .line 1
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->expTable:[I
+
+    iget v1, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->modulus:I
+
+    iget-object v2, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->logTable:[I
+
+    aget p1, v2, p1
+
+    sub-int/2addr v1, p1
+
+    add-int/lit8 v1, v1, -0x1
+
+    aget p1, v0, v1
+
+    return p1
+
+    .line 2
+    :cond_0
+    new-instance p1, Ljava/lang/ArithmeticException;
+
+    invoke-direct {p1}, Ljava/lang/ArithmeticException;-><init>()V
+
+    throw p1
+.end method
+
+.method public log(I)I
+    .locals 1
+
+    if-eqz p1, :cond_0
+
+    .line 1
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->logTable:[I
+
+    aget p1, v0, p1
+
+    return p1
+
+    .line 2
+    :cond_0
+    new-instance p1, Ljava/lang/IllegalArgumentException;
+
+    invoke-direct {p1}, Ljava/lang/IllegalArgumentException;-><init>()V
+
+    throw p1
+.end method
+
+.method public multiply(II)I
+    .locals 2
+
+    if-eqz p1, :cond_1
+
+    if-nez p2, :cond_0
+
+    goto :goto_0
+
+    .line 1
+    :cond_0
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->expTable:[I
+
+    iget-object v1, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->logTable:[I
+
+    aget p1, v1, p1
+
+    aget p2, v1, p2
+
+    add-int/2addr p1, p2
+
+    iget p2, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->modulus:I
+
+    add-int/lit8 p2, p2, -0x1
+
+    rem-int/2addr p1, p2
+
+    aget p1, v0, p1
+
+    return p1
+
+    :cond_1
+    :goto_0
+    const/4 p1, 0x0
+
+    return p1
+.end method
+
+.method public subtract(II)I
+    .locals 1
+
+    .line 1
+    iget v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->modulus:I
+
+    add-int/2addr p1, v0
+
+    sub-int/2addr p1, p2
+
+    rem-int/2addr p1, v0
+
+    return p1
+.end method

smali_classes3/com/google/zxing/pdf417/decoder/ec/ModulusPoly.smali

@@ -0,0 +1,964 @@
+.class final Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+.super Ljava/lang/Object;
+.source "ModulusPoly.java"
+
+
+# instance fields
+.field private final coefficients:[I
+
+.field private final field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+
+# direct methods
+.method public constructor <init>(Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;[I)V
+    .locals 4
+
+    .line 1
+    invoke-direct {p0}, Ljava/lang/Object;-><init>()V
+
+    .line 2
+    array-length v0, p2
+
+    if-eqz v0, :cond_4
+
+    .line 3
+    iput-object p1, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    .line 4
+    array-length v0, p2
+
+    const/4 v1, 0x1
+
+    if-le v0, v1, :cond_3
+
+    const/4 v2, 0x0
+
+    .line 5
+    aget v3, p2, v2
+
+    if-nez v3, :cond_3
+
+    :goto_0
+    if-ge v1, v0, :cond_1
+
+    .line 6
+    aget v3, p2, v1
+
+    if-eqz v3, :cond_0
+
+    goto :goto_1
+
+    :cond_0
+    add-int/lit8 v1, v1, 0x1
+
+    goto :goto_0
+
+    :cond_1
+    :goto_1
+    if-ne v1, v0, :cond_2
+
+    .line 7
+    invoke-virtual {p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->getZero()Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object p1
+
+    iget-object p1, p1, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    iput-object p1, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    goto :goto_2
+
+    :cond_2
+    sub-int/2addr v0, v1
+
+    .line 8
+    new-array p1, v0, [I
+
+    iput-object p1, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    .line 9
+    array-length v0, p1
+
+    .line 10
+    invoke-static {p2, v1, p1, v2, v0}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
+
+    goto :goto_2
+
+    .line 11
+    :cond_3
+    iput-object p2, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    :goto_2
+    return-void
+
+    .line 12
+    :cond_4
+    new-instance p1, Ljava/lang/IllegalArgumentException;
+
+    invoke-direct {p1}, Ljava/lang/IllegalArgumentException;-><init>()V
+
+    throw p1
+.end method
+
+
+# virtual methods
+.method public add(Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+    .locals 8
+
+    .line 1
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    iget-object v1, p1, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v0, v1}, Ljava/lang/Object;->equals(Ljava/lang/Object;)Z
+
+    move-result v0
+
+    if-eqz v0, :cond_4
+
+    .line 2
+    invoke-virtual {p0}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->isZero()Z
+
+    move-result v0
+
+    if-eqz v0, :cond_0
+
+    return-object p1
+
+    .line 3
+    :cond_0
+    invoke-virtual {p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->isZero()Z
+
+    move-result v0
+
+    if-eqz v0, :cond_1
+
+    return-object p0
+
+    .line 4
+    :cond_1
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    .line 5
+    iget-object p1, p1, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    .line 6
+    array-length v1, v0
+
+    array-length v2, p1
+
+    if-le v1, v2, :cond_2
+
+    goto :goto_0
+
+    :cond_2
+    move-object v7, v0
+
+    move-object v0, p1
+
+    move-object p1, v7
+
+    .line 7
+    :goto_0
+    array-length v1, v0
+
+    new-array v1, v1, [I
+
+    .line 8
+    array-length v2, v0
+
+    array-length v3, p1
+
+    sub-int/2addr v2, v3
+
+    const/4 v3, 0x0
+
+    .line 9
+    invoke-static {v0, v3, v1, v3, v2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
+
+    move v3, v2
+
+    .line 10
+    :goto_1
+    array-length v4, v0
+
+    if-lt v3, v4, :cond_3
+
+    .line 11
+    new-instance p1, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-direct {p1, v0, v1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;-><init>(Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;[I)V
+
+    return-object p1
+
+    .line 12
+    :cond_3
+    iget-object v4, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    sub-int v5, v3, v2
+
+    aget v5, p1, v5
+
+    aget v6, v0, v3
+
+    invoke-virtual {v4, v5, v6}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->add(II)I
+
+    move-result v4
+
+    aput v4, v1, v3
+
+    add-int/lit8 v3, v3, 0x1
+
+    goto :goto_1
+
+    .line 13
+    :cond_4
+    new-instance p1, Ljava/lang/IllegalArgumentException;
+
+    const-string v0, "ModulusPolys do not have same ModulusGF field"
+
+    invoke-direct {p1, v0}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
+
+    throw p1
+.end method
+
+.method public divide(Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;)[Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+    .locals 7
+
+    .line 1
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    iget-object v1, p1, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v0, v1}, Ljava/lang/Object;->equals(Ljava/lang/Object;)Z
+
+    move-result v0
+
+    if-eqz v0, :cond_3
+
+    .line 2
+    invoke-virtual {p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->isZero()Z
+
+    move-result v0
+
+    if-nez v0, :cond_2
+
+    .line 3
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v0}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->getZero()Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object v0
+
+    .line 4
+    invoke-virtual {p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getDegree()I
+
+    move-result v1
+
+    invoke-virtual {p1, v1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getCoefficient(I)I
+
+    move-result v1
+
+    .line 5
+    iget-object v2, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v2, v1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->inverse(I)I
+
+    move-result v1
+
+    move-object v2, p0
+
+    .line 6
+    :goto_0
+    invoke-virtual {v2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getDegree()I
+
+    move-result v3
+
+    invoke-virtual {p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getDegree()I
+
+    move-result v4
+
+    if-lt v3, v4, :cond_1
+
+    invoke-virtual {v2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->isZero()Z
+
+    move-result v3
+
+    if-eqz v3, :cond_0
+
+    goto :goto_1
+
+    .line 7
+    :cond_0
+    invoke-virtual {v2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getDegree()I
+
+    move-result v3
+
+    invoke-virtual {p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getDegree()I
+
+    move-result v4
+
+    sub-int/2addr v3, v4
+
+    .line 8
+    iget-object v4, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getDegree()I
+
+    move-result v5
+
+    invoke-virtual {v2, v5}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getCoefficient(I)I
+
+    move-result v5
+
+    invoke-virtual {v4, v5, v1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->multiply(II)I
+
+    move-result v4
+
+    .line 9
+    invoke-virtual {p1, v3, v4}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->multiplyByMonomial(II)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object v5
+
+    .line 10
+    iget-object v6, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v6, v3, v4}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->buildMonomial(II)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object v3
+
+    .line 11
+    invoke-virtual {v0, v3}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->add(Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object v0
+
+    .line 12
+    invoke-virtual {v2, v5}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->subtract(Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object v2
+
+    goto :goto_0
+
+    :cond_1
+    :goto_1
+    const/4 p1, 0x2
+
+    new-array p1, p1, [Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    const/4 v1, 0x0
+
+    aput-object v0, p1, v1
+
+    const/4 v0, 0x1
+
+    aput-object v2, p1, v0
+
+    return-object p1
+
+    .line 13
+    :cond_2
+    new-instance p1, Ljava/lang/IllegalArgumentException;
+
+    const-string v0, "Divide by 0"
+
+    invoke-direct {p1, v0}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
+
+    throw p1
+
+    .line 14
+    :cond_3
+    new-instance p1, Ljava/lang/IllegalArgumentException;
+
+    const-string v0, "ModulusPolys do not have same ModulusGF field"
+
+    invoke-direct {p1, v0}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
+
+    throw p1
+.end method
+
+.method public evaluateAt(I)I
+    .locals 5
+
+    const/4 v0, 0x0
+
+    if-nez p1, :cond_0
+
+    .line 1
+    invoke-virtual {p0, v0}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getCoefficient(I)I
+
+    move-result p1
+
+    return p1
+
+    .line 2
+    :cond_0
+    iget-object v1, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    array-length v2, v1
+
+    const/4 v3, 0x1
+
+    if-ne p1, v3, :cond_2
+
+    .line 3
+    array-length v4, v1
+
+    move p1, v0
+
+    :goto_0
+    if-lt v0, v4, :cond_1
+
+    return p1
+
+    :cond_1
+    aget v2, v1, v0
+
+    .line 4
+    iget-object v3, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v3, p1, v2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->add(II)I
+
+    move-result p1
+
+    add-int/lit8 v0, v0, 0x1
+
+    goto :goto_0
+
+    .line 5
+    :cond_2
+    aget v0, v1, v0
+
+    :goto_1
+    if-lt v3, v2, :cond_3
+
+    return v0
+
+    .line 6
+    :cond_3
+    iget-object v1, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v1, p1, v0}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->multiply(II)I
+
+    move-result v0
+
+    iget-object v4, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    aget v4, v4, v3
+
+    invoke-virtual {v1, v0, v4}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->add(II)I
+
+    move-result v0
+
+    add-int/lit8 v3, v3, 0x1
+
+    goto :goto_1
+.end method
+
+.method public getCoefficient(I)I
+    .locals 2
+
+    .line 1
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    array-length v1, v0
+
+    add-int/lit8 v1, v1, -0x1
+
+    sub-int/2addr v1, p1
+
+    aget p1, v0, v1
+
+    return p1
+.end method
+
+.method public getCoefficients()[I
+    .locals 1
+
+    .line 1
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    return-object v0
+.end method
+
+.method public getDegree()I
+    .locals 1
+
+    .line 1
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    array-length v0, v0
+
+    add-int/lit8 v0, v0, -0x1
+
+    return v0
+.end method
+
+.method public isZero()Z
+    .locals 2
+
+    .line 1
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    const/4 v1, 0x0
+
+    aget v0, v0, v1
+
+    if-nez v0, :cond_0
+
+    const/4 v0, 0x1
+
+    return v0
+
+    :cond_0
+    return v1
+.end method
+
+.method public multiply(I)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+    .locals 5
+
+    if-nez p1, :cond_0
+
+    .line 13
+    iget-object p1, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->getZero()Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object p1
+
+    return-object p1
+
+    :cond_0
+    const/4 v0, 0x1
+
+    if-ne p1, v0, :cond_1
+
+    return-object p0
+
+    .line 14
+    :cond_1
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    array-length v0, v0
+
+    .line 15
+    new-array v1, v0, [I
+
+    const/4 v2, 0x0
+
+    :goto_0
+    if-lt v2, v0, :cond_2
+
+    .line 16
+    new-instance p1, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-direct {p1, v0, v1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;-><init>(Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;[I)V
+
+    return-object p1
+
+    .line 17
+    :cond_2
+    iget-object v3, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    iget-object v4, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    aget v4, v4, v2
+
+    invoke-virtual {v3, v4, p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->multiply(II)I
+
+    move-result v3
+
+    aput v3, v1, v2
+
+    add-int/lit8 v2, v2, 0x1
+
+    goto :goto_0
+.end method
+
+.method public multiply(Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+    .locals 12
+
+    .line 1
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    iget-object v1, p1, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v0, v1}, Ljava/lang/Object;->equals(Ljava/lang/Object;)Z
+
+    move-result v0
+
+    if-eqz v0, :cond_4
+
+    .line 2
+    invoke-virtual {p0}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->isZero()Z
+
+    move-result v0
+
+    if-nez v0, :cond_3
+
+    invoke-virtual {p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->isZero()Z
+
+    move-result v0
+
+    if-eqz v0, :cond_0
+
+    goto :goto_2
+
+    .line 3
+    :cond_0
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    .line 4
+    array-length v1, v0
+
+    .line 5
+    iget-object p1, p1, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    .line 6
+    array-length v2, p1
+
+    add-int v3, v1, v2
+
+    add-int/lit8 v3, v3, -0x1
+
+    .line 7
+    new-array v3, v3, [I
+
+    const/4 v4, 0x0
+
+    move v5, v4
+
+    :goto_0
+    if-lt v5, v1, :cond_1
+
+    .line 8
+    new-instance p1, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-direct {p1, v0, v3}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;-><init>(Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;[I)V
+
+    return-object p1
+
+    .line 9
+    :cond_1
+    aget v6, v0, v5
+
+    move v7, v4
+
+    :goto_1
+    if-lt v7, v2, :cond_2
+
+    add-int/lit8 v5, v5, 0x1
+
+    goto :goto_0
+
+    :cond_2
+    add-int v8, v5, v7
+
+    .line 10
+    iget-object v9, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    aget v10, v3, v8
+
+    aget v11, p1, v7
+
+    invoke-virtual {v9, v6, v11}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->multiply(II)I
+
+    move-result v11
+
+    invoke-virtual {v9, v10, v11}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->add(II)I
+
+    move-result v9
+
+    aput v9, v3, v8
+
+    add-int/lit8 v7, v7, 0x1
+
+    goto :goto_1
+
+    .line 11
+    :cond_3
+    :goto_2
+    iget-object p1, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->getZero()Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object p1
+
+    return-object p1
+
+    .line 12
+    :cond_4
+    new-instance p1, Ljava/lang/IllegalArgumentException;
+
+    const-string v0, "ModulusPolys do not have same ModulusGF field"
+
+    invoke-direct {p1, v0}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
+
+    throw p1
+.end method
+
+.method public multiplyByMonomial(II)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+    .locals 4
+
+    if-ltz p1, :cond_2
+
+    if-nez p2, :cond_0
+
+    .line 1
+    iget-object p1, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->getZero()Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object p1
+
+    return-object p1
+
+    .line 2
+    :cond_0
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    array-length v0, v0
+
+    add-int/2addr p1, v0
+
+    .line 3
+    new-array p1, p1, [I
+
+    const/4 v1, 0x0
+
+    :goto_0
+    if-lt v1, v0, :cond_1
+
+    .line 4
+    new-instance p2, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-direct {p2, v0, p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;-><init>(Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;[I)V
+
+    return-object p2
+
+    .line 5
+    :cond_1
+    iget-object v2, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    iget-object v3, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    aget v3, v3, v1
+
+    invoke-virtual {v2, v3, p2}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->multiply(II)I
+
+    move-result v2
+
+    aput v2, p1, v1
+
+    add-int/lit8 v1, v1, 0x1
+
+    goto :goto_0
+
+    .line 6
+    :cond_2
+    new-instance p1, Ljava/lang/IllegalArgumentException;
+
+    invoke-direct {p1}, Ljava/lang/IllegalArgumentException;-><init>()V
+
+    throw p1
+.end method
+
+.method public negative()Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+    .locals 6
+
+    .line 1
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    array-length v0, v0
+
+    .line 2
+    new-array v1, v0, [I
+
+    const/4 v2, 0x0
+
+    move v3, v2
+
+    :goto_0
+    if-lt v3, v0, :cond_0
+
+    .line 3
+    new-instance v0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    iget-object v2, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-direct {v0, v2, v1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;-><init>(Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;[I)V
+
+    return-object v0
+
+    .line 4
+    :cond_0
+    iget-object v4, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    iget-object v5, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->coefficients:[I
+
+    aget v5, v5, v3
+
+    invoke-virtual {v4, v2, v5}, Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;->subtract(II)I
+
+    move-result v4
+
+    aput v4, v1, v3
+
+    add-int/lit8 v3, v3, 0x1
+
+    goto :goto_0
+.end method
+
+.method public subtract(Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+    .locals 2
+
+    .line 1
+    iget-object v0, p0, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    iget-object v1, p1, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->field:Lcom/google/zxing/pdf417/decoder/ec/ModulusGF;
+
+    invoke-virtual {v0, v1}, Ljava/lang/Object;->equals(Ljava/lang/Object;)Z
+
+    move-result v0
+
+    if-eqz v0, :cond_1
+
+    .line 2
+    invoke-virtual {p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->isZero()Z
+
+    move-result v0
+
+    if-eqz v0, :cond_0
+
+    return-object p0
+
+    .line 3
+    :cond_0
+    invoke-virtual {p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->negative()Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object p1
+
+    invoke-virtual {p0, p1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->add(Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;)Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;
+
+    move-result-object p1
+
+    return-object p1
+
+    .line 4
+    :cond_1
+    new-instance p1, Ljava/lang/IllegalArgumentException;
+
+    const-string v0, "ModulusPolys do not have same ModulusGF field"
+
+    invoke-direct {p1, v0}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
+
+    throw p1
+.end method
+
+.method public toString()Ljava/lang/String;
+    .locals 4
+
+    .line 1
+    new-instance v0, Ljava/lang/StringBuilder;
+
+    invoke-virtual {p0}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getDegree()I
+
+    move-result v1
+
+    mul-int/lit8 v1, v1, 0x8
+
+    invoke-direct {v0, v1}, Ljava/lang/StringBuilder;-><init>(I)V
+
+    .line 2
+    invoke-virtual {p0}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getDegree()I
+
+    move-result v1
+
+    :goto_0
+    if-gez v1, :cond_0
+
+    .line 3
+    invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
+
+    move-result-object v0
+
+    return-object v0
+
+    .line 4
+    :cond_0
+    invoke-virtual {p0, v1}, Lcom/google/zxing/pdf417/decoder/ec/ModulusPoly;->getCoefficient(I)I
+
+    move-result v2
+
+    if-eqz v2, :cond_6
+
+    if-gez v2, :cond_1
+
+    const-string v3, " - "
+
+    .line 5
+    invoke-virtual {v0, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
+
+    neg-int v2, v2
+
+    goto :goto_1
+
+    .line 6
+    :cond_1
+    invoke-virtual {v0}, Ljava/lang/StringBuilder;->length()I
+
+    move-result v3
+
+    if-lez v3, :cond_2
+
+    const-string v3, " + "
+
+    .line 7
+    invoke-virtual {v0, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
+
+    :cond_2
+    :goto_1
+    const/4 v3, 0x1
+
+    if-eqz v1, :cond_3
+
+    if-eq v2, v3, :cond_4
+
+    .line 8
+    :cond_3
+    invoke-virtual {v0, v2}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;
+
+    :cond_4
+    if-eqz v1, :cond_6
+
+    if-ne v1, v3, :cond_5
+
+    const/16 v2, 0x78
+
+    .line 9
+    invoke-virtual {v0, v2}, Ljava/lang/StringBuilder;->append(C)Ljava/lang/StringBuilder;
+
+    goto :goto_2
+
+    :cond_5
+    const-string v2, "x^"
+
+    .line 10
+    invoke-virtual {v0, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
+
+    .line 11
+    invoke-virtual {v0, v1}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;
+
+    :cond_6
+    :goto_2
+    add-int/lit8 v1, v1, -0x1
+
+    goto :goto_0
+.end method