460 lines
11 KiB
Smali
460 lines
11 KiB
Smali
.class public final Lcom/google/zxing/common/reedsolomon/GenericGF;
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.super Ljava/lang/Object;
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.source "GenericGF.java"
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# static fields
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.field public static final AZTEC_DATA_10:Lcom/google/zxing/common/reedsolomon/GenericGF;
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.field public static final AZTEC_DATA_12:Lcom/google/zxing/common/reedsolomon/GenericGF;
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.field public static final AZTEC_DATA_6:Lcom/google/zxing/common/reedsolomon/GenericGF;
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.field public static final AZTEC_DATA_8:Lcom/google/zxing/common/reedsolomon/GenericGF;
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.field public static final AZTEC_PARAM:Lcom/google/zxing/common/reedsolomon/GenericGF;
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.field public static final DATA_MATRIX_FIELD_256:Lcom/google/zxing/common/reedsolomon/GenericGF;
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.field private static final INITIALIZATION_THRESHOLD:I
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.field public static final MAXICODE_FIELD_64:Lcom/google/zxing/common/reedsolomon/GenericGF;
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.field public static final QR_CODE_FIELD_256:Lcom/google/zxing/common/reedsolomon/GenericGF;
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# instance fields
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.field private expTable:[I
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.field private initialized:Z
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.field private logTable:[I
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.field private one:Lcom/google/zxing/common/reedsolomon/GenericGFPoly;
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.field private final primitive:I
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.field private final size:I
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.field private zero:Lcom/google/zxing/common/reedsolomon/GenericGFPoly;
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# direct methods
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.method public static constructor <clinit>()V
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.locals 4
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.line 1
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new-instance v0, Lcom/google/zxing/common/reedsolomon/GenericGF;
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const/16 v1, 0x1069
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const/16 v2, 0x1000
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invoke-direct {v0, v1, v2}, Lcom/google/zxing/common/reedsolomon/GenericGF;-><init>(II)V
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sput-object v0, Lcom/google/zxing/common/reedsolomon/GenericGF;->AZTEC_DATA_12:Lcom/google/zxing/common/reedsolomon/GenericGF;
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.line 2
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new-instance v0, Lcom/google/zxing/common/reedsolomon/GenericGF;
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const/16 v1, 0x409
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const/16 v2, 0x400
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invoke-direct {v0, v1, v2}, Lcom/google/zxing/common/reedsolomon/GenericGF;-><init>(II)V
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sput-object v0, Lcom/google/zxing/common/reedsolomon/GenericGF;->AZTEC_DATA_10:Lcom/google/zxing/common/reedsolomon/GenericGF;
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.line 3
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new-instance v0, Lcom/google/zxing/common/reedsolomon/GenericGF;
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const/16 v1, 0x43
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const/16 v2, 0x40
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invoke-direct {v0, v1, v2}, Lcom/google/zxing/common/reedsolomon/GenericGF;-><init>(II)V
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sput-object v0, Lcom/google/zxing/common/reedsolomon/GenericGF;->AZTEC_DATA_6:Lcom/google/zxing/common/reedsolomon/GenericGF;
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.line 4
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new-instance v1, Lcom/google/zxing/common/reedsolomon/GenericGF;
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const/16 v2, 0x13
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const/16 v3, 0x10
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invoke-direct {v1, v2, v3}, Lcom/google/zxing/common/reedsolomon/GenericGF;-><init>(II)V
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sput-object v1, Lcom/google/zxing/common/reedsolomon/GenericGF;->AZTEC_PARAM:Lcom/google/zxing/common/reedsolomon/GenericGF;
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.line 5
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new-instance v1, Lcom/google/zxing/common/reedsolomon/GenericGF;
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const/16 v2, 0x11d
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const/16 v3, 0x100
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invoke-direct {v1, v2, v3}, Lcom/google/zxing/common/reedsolomon/GenericGF;-><init>(II)V
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sput-object v1, Lcom/google/zxing/common/reedsolomon/GenericGF;->QR_CODE_FIELD_256:Lcom/google/zxing/common/reedsolomon/GenericGF;
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.line 6
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new-instance v1, Lcom/google/zxing/common/reedsolomon/GenericGF;
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const/16 v2, 0x12d
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invoke-direct {v1, v2, v3}, Lcom/google/zxing/common/reedsolomon/GenericGF;-><init>(II)V
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sput-object v1, Lcom/google/zxing/common/reedsolomon/GenericGF;->DATA_MATRIX_FIELD_256:Lcom/google/zxing/common/reedsolomon/GenericGF;
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.line 7
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sput-object v1, Lcom/google/zxing/common/reedsolomon/GenericGF;->AZTEC_DATA_8:Lcom/google/zxing/common/reedsolomon/GenericGF;
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.line 8
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sput-object v0, Lcom/google/zxing/common/reedsolomon/GenericGF;->MAXICODE_FIELD_64:Lcom/google/zxing/common/reedsolomon/GenericGF;
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return-void
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.end method
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.method public constructor <init>(II)V
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.locals 1
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.line 1
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invoke-direct {p0}, Ljava/lang/Object;-><init>()V
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const/4 v0, 0x0
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.line 2
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iput-boolean v0, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->initialized:Z
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.line 3
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iput p1, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->primitive:I
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.line 4
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iput p2, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->size:I
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if-gtz p2, :cond_0
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.line 5
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invoke-direct {p0}, Lcom/google/zxing/common/reedsolomon/GenericGF;->initialize()V
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:cond_0
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return-void
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.end method
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.method public static addOrSubtract(II)I
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.locals 0
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xor-int/2addr p0, p1
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return p0
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.end method
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.method private checkInit()V
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.locals 1
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.line 1
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iget-boolean v0, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->initialized:Z
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if-nez v0, :cond_0
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.line 2
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invoke-direct {p0}, Lcom/google/zxing/common/reedsolomon/GenericGF;->initialize()V
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:cond_0
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return-void
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.end method
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.method private initialize()V
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.locals 6
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.line 1
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iget v0, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->size:I
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new-array v1, v0, [I
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iput-object v1, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->expTable:[I
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.line 2
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new-array v0, v0, [I
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iput-object v0, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->logTable:[I
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const/4 v0, 0x0
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const/4 v1, 0x1
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move v2, v0
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move v3, v1
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.line 3
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:goto_0
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iget v4, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->size:I
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if-lt v2, v4, :cond_1
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move v2, v0
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.line 4
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:goto_1
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iget v3, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->size:I
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sub-int/2addr v3, v1
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if-lt v2, v3, :cond_0
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.line 5
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new-instance v2, Lcom/google/zxing/common/reedsolomon/GenericGFPoly;
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new-array v3, v1, [I
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invoke-direct {v2, p0, v3}, Lcom/google/zxing/common/reedsolomon/GenericGFPoly;-><init>(Lcom/google/zxing/common/reedsolomon/GenericGF;[I)V
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iput-object v2, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->zero:Lcom/google/zxing/common/reedsolomon/GenericGFPoly;
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.line 6
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new-instance v2, Lcom/google/zxing/common/reedsolomon/GenericGFPoly;
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new-array v3, v1, [I
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aput v1, v3, v0
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invoke-direct {v2, p0, v3}, Lcom/google/zxing/common/reedsolomon/GenericGFPoly;-><init>(Lcom/google/zxing/common/reedsolomon/GenericGF;[I)V
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iput-object v2, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->one:Lcom/google/zxing/common/reedsolomon/GenericGFPoly;
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.line 7
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iput-boolean v1, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->initialized:Z
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return-void
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.line 8
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:cond_0
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iget-object v3, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->logTable:[I
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iget-object v4, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->expTable:[I
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aget v4, v4, v2
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aput v2, v3, v4
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add-int/lit8 v2, v2, 0x1
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goto :goto_1
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.line 9
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:cond_1
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iget-object v5, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->expTable:[I
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aput v3, v5, v2
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shl-int/2addr v3, v1
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if-lt v3, v4, :cond_2
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.line 10
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iget v5, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->primitive:I
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xor-int/2addr v3, v5
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add-int/lit8 v4, v4, -0x1
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and-int/2addr v3, v4
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:cond_2
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add-int/lit8 v2, v2, 0x1
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goto :goto_0
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.end method
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# virtual methods
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.method public buildMonomial(II)Lcom/google/zxing/common/reedsolomon/GenericGFPoly;
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.locals 1
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.line 1
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invoke-direct {p0}, Lcom/google/zxing/common/reedsolomon/GenericGF;->checkInit()V
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if-ltz p1, :cond_1
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if-nez p2, :cond_0
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.line 2
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iget-object p1, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->zero:Lcom/google/zxing/common/reedsolomon/GenericGFPoly;
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return-object p1
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:cond_0
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add-int/lit8 p1, p1, 0x1
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.line 3
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new-array p1, p1, [I
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const/4 v0, 0x0
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.line 4
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aput p2, p1, v0
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.line 5
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new-instance p2, Lcom/google/zxing/common/reedsolomon/GenericGFPoly;
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invoke-direct {p2, p0, p1}, Lcom/google/zxing/common/reedsolomon/GenericGFPoly;-><init>(Lcom/google/zxing/common/reedsolomon/GenericGF;[I)V
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return-object p2
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.line 6
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:cond_1
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new-instance p1, Ljava/lang/IllegalArgumentException;
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invoke-direct {p1}, Ljava/lang/IllegalArgumentException;-><init>()V
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throw p1
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.end method
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.method public exp(I)I
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.locals 1
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.line 1
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invoke-direct {p0}, Lcom/google/zxing/common/reedsolomon/GenericGF;->checkInit()V
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.line 2
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iget-object v0, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->expTable:[I
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aget p1, v0, p1
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return p1
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.end method
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.method public getOne()Lcom/google/zxing/common/reedsolomon/GenericGFPoly;
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.locals 1
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.line 1
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invoke-direct {p0}, Lcom/google/zxing/common/reedsolomon/GenericGF;->checkInit()V
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.line 2
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iget-object v0, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->one:Lcom/google/zxing/common/reedsolomon/GenericGFPoly;
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return-object v0
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.end method
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.method public getSize()I
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.locals 1
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.line 1
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iget v0, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->size:I
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return v0
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.end method
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.method public getZero()Lcom/google/zxing/common/reedsolomon/GenericGFPoly;
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.locals 1
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.line 1
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invoke-direct {p0}, Lcom/google/zxing/common/reedsolomon/GenericGF;->checkInit()V
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.line 2
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iget-object v0, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->zero:Lcom/google/zxing/common/reedsolomon/GenericGFPoly;
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return-object v0
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.end method
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.method public inverse(I)I
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.locals 3
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.line 1
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invoke-direct {p0}, Lcom/google/zxing/common/reedsolomon/GenericGF;->checkInit()V
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if-eqz p1, :cond_0
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.line 2
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iget-object v0, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->expTable:[I
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iget v1, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->size:I
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iget-object v2, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->logTable:[I
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aget p1, v2, p1
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sub-int/2addr v1, p1
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add-int/lit8 v1, v1, -0x1
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aget p1, v0, v1
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return p1
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.line 3
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:cond_0
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new-instance p1, Ljava/lang/ArithmeticException;
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invoke-direct {p1}, Ljava/lang/ArithmeticException;-><init>()V
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throw p1
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.end method
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.method public log(I)I
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.locals 1
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.line 1
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invoke-direct {p0}, Lcom/google/zxing/common/reedsolomon/GenericGF;->checkInit()V
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if-eqz p1, :cond_0
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.line 2
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iget-object v0, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->logTable:[I
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aget p1, v0, p1
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return p1
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.line 3
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:cond_0
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new-instance p1, Ljava/lang/IllegalArgumentException;
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invoke-direct {p1}, Ljava/lang/IllegalArgumentException;-><init>()V
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throw p1
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.end method
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.method public multiply(II)I
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.locals 2
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.line 1
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invoke-direct {p0}, Lcom/google/zxing/common/reedsolomon/GenericGF;->checkInit()V
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if-eqz p1, :cond_1
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if-nez p2, :cond_0
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goto :goto_0
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.line 2
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:cond_0
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iget-object v0, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->expTable:[I
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iget-object v1, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->logTable:[I
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aget p1, v1, p1
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aget p2, v1, p2
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add-int/2addr p1, p2
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iget p2, p0, Lcom/google/zxing/common/reedsolomon/GenericGF;->size:I
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add-int/lit8 p2, p2, -0x1
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rem-int/2addr p1, p2
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aget p1, v0, p1
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return p1
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:cond_1
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:goto_0
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const/4 p1, 0x0
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return p1
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.end method
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