final class org.apache.lucene.document.FeatureField$LogFunction extends org.apache.lucene.document.FeatureField$FeatureFunction
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: org.apache.lucene.document.FeatureField$LogFunction
  super_class: org.apache.lucene.document.FeatureField$FeatureFunction
{
  private final float scalingFactor;
    descriptor: F
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  void <init>(float);
    descriptor: (F)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.lucene.document.FeatureField$LogFunction this
        start local 1 // float a
         0: .line 224
            aload 0 /* this */
            invokespecial org.apache.lucene.document.FeatureField$FeatureFunction.<init>:()V
         1: .line 225
            aload 0 /* this */
            fload 1 /* a */
            putfield org.apache.lucene.document.FeatureField$LogFunction.scalingFactor:F
         2: .line 226
            return
        end local 1 // float a
        end local 0 // org.apache.lucene.document.FeatureField$LogFunction this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/lucene/document/FeatureField$LogFunction;
            0    3     1     a  F
    MethodParameters:
      Name  Flags
      a     

  public boolean equals(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.apache.lucene.document.FeatureField$LogFunction this
        start local 1 // java.lang.Object obj
         0: .line 230
            aload 1 /* obj */
            ifnull 1
            aload 0 /* this */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            aload 1 /* obj */
            invokevirtual java.lang.Object.getClass:()Ljava/lang/Class;
            if_acmpeq 2
         1: .line 231
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
         2: .line 233
      StackMap locals:
      StackMap stack:
            aload 1 /* obj */
            checkcast org.apache.lucene.document.FeatureField$LogFunction
            astore 2 /* that */
        start local 2 // org.apache.lucene.document.FeatureField$LogFunction that
         3: .line 234
            aload 0 /* this */
            getfield org.apache.lucene.document.FeatureField$LogFunction.scalingFactor:F
            aload 2 /* that */
            getfield org.apache.lucene.document.FeatureField$LogFunction.scalingFactor:F
            fcmpl
            ifne 4
            iconst_1
            ireturn
      StackMap locals: org.apache.lucene.document.FeatureField$LogFunction
      StackMap stack:
         4: iconst_0
            ireturn
        end local 2 // org.apache.lucene.document.FeatureField$LogFunction that
        end local 1 // java.lang.Object obj
        end local 0 // org.apache.lucene.document.FeatureField$LogFunction this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/apache/lucene/document/FeatureField$LogFunction;
            0    5     1   obj  Ljava/lang/Object;
            3    5     2  that  Lorg/apache/lucene/document/FeatureField$LogFunction;
    MethodParameters:
      Name  Flags
      obj   

  public int hashCode();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.lucene.document.FeatureField$LogFunction this
         0: .line 239
            aload 0 /* this */
            getfield org.apache.lucene.document.FeatureField$LogFunction.scalingFactor:F
            invokestatic java.lang.Float.hashCode:(F)I
            ireturn
        end local 0 // org.apache.lucene.document.FeatureField$LogFunction this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/lucene/document/FeatureField$LogFunction;

  public java.lang.String toString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.apache.lucene.document.FeatureField$LogFunction this
         0: .line 244
            new java.lang.StringBuilder
            dup
            ldc "LogFunction(scalingFactor="
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            getfield org.apache.lucene.document.FeatureField$LogFunction.scalingFactor:F
            invokevirtual java.lang.StringBuilder.append:(F)Ljava/lang/StringBuilder;
            ldc ")"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            areturn
        end local 0 // org.apache.lucene.document.FeatureField$LogFunction this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/lucene/document/FeatureField$LogFunction;

  org.apache.lucene.search.similarities.Similarity$SimScorer scorer(float);
    descriptor: (F)Lorg/apache/lucene/search/similarities/Similarity$SimScorer;
    flags: (0x0000) 
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.apache.lucene.document.FeatureField$LogFunction this
        start local 1 // float weight
         0: .line 249
            new org.apache.lucene.document.FeatureField$LogFunction$1
            dup
            aload 0 /* this */
            fload 1 /* weight */
            invokespecial org.apache.lucene.document.FeatureField$LogFunction$1.<init>:(Lorg/apache/lucene/document/FeatureField$LogFunction;F)V
            areturn
        end local 1 // float weight
        end local 0 // org.apache.lucene.document.FeatureField$LogFunction this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lorg/apache/lucene/document/FeatureField$LogFunction;
            0    1     1  weight  F
    MethodParameters:
        Name  Flags
      weight  

  org.apache.lucene.search.Explanation explain(java.lang.String, java.lang.String, float, int);
    descriptor: (Ljava/lang/String;Ljava/lang/String;FI)Lorg/apache/lucene/search/Explanation;
    flags: (0x0000) 
    Code:
      stack=8, locals=7, args_size=5
        start local 0 // org.apache.lucene.document.FeatureField$LogFunction this
        start local 1 // java.lang.String field
        start local 2 // java.lang.String feature
        start local 3 // float w
        start local 4 // int freq
         0: .line 259
            iload 4 /* freq */
            i2f
            invokestatic org.apache.lucene.document.FeatureField.decodeFeatureValue:(F)F
            fstore 5 /* featureValue */
        start local 5 // float featureValue
         1: .line 260
            aload 0 /* this */
            fload 3 /* w */
            invokevirtual org.apache.lucene.document.FeatureField$LogFunction.scorer:(F)Lorg/apache/lucene/search/similarities/Similarity$SimScorer;
            iload 4 /* freq */
            i2f
            lconst_1
            invokevirtual org.apache.lucene.search.similarities.Similarity$SimScorer.score:(FJ)F
            fstore 6 /* score */
        start local 6 // float score
         2: .line 261
            fload 6 /* score */
            invokestatic java.lang.Float.valueOf:(F)Ljava/lang/Float;
         3: .line 262
            new java.lang.StringBuilder
            dup
            ldc "Log function on the "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* field */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc " field for the "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 2 /* feature */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc " feature, computed as w * log(a + S) from:"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            iconst_3
            anewarray org.apache.lucene.search.Explanation
            dup
            iconst_0
         4: .line 263
            fload 3 /* w */
            invokestatic java.lang.Float.valueOf:(F)Ljava/lang/Float;
            ldc "w, weight of this function"
            iconst_0
            anewarray org.apache.lucene.search.Explanation
            invokestatic org.apache.lucene.search.Explanation.match:(Ljava/lang/Number;Ljava/lang/String;[Lorg/apache/lucene/search/Explanation;)Lorg/apache/lucene/search/Explanation;
            aastore
            dup
            iconst_1
         5: .line 264
            aload 0 /* this */
            getfield org.apache.lucene.document.FeatureField$LogFunction.scalingFactor:F
            invokestatic java.lang.Float.valueOf:(F)Ljava/lang/Float;
            ldc "a, scaling factor"
            iconst_0
            anewarray org.apache.lucene.search.Explanation
            invokestatic org.apache.lucene.search.Explanation.match:(Ljava/lang/Number;Ljava/lang/String;[Lorg/apache/lucene/search/Explanation;)Lorg/apache/lucene/search/Explanation;
            aastore
            dup
            iconst_2
         6: .line 265
            fload 5 /* featureValue */
            invokestatic java.lang.Float.valueOf:(F)Ljava/lang/Float;
            ldc "S, feature value"
            iconst_0
            anewarray org.apache.lucene.search.Explanation
            invokestatic org.apache.lucene.search.Explanation.match:(Ljava/lang/Number;Ljava/lang/String;[Lorg/apache/lucene/search/Explanation;)Lorg/apache/lucene/search/Explanation;
            aastore
         7: .line 261
            invokestatic org.apache.lucene.search.Explanation.match:(Ljava/lang/Number;Ljava/lang/String;[Lorg/apache/lucene/search/Explanation;)Lorg/apache/lucene/search/Explanation;
            areturn
        end local 6 // float score
        end local 5 // float featureValue
        end local 4 // int freq
        end local 3 // float w
        end local 2 // java.lang.String feature
        end local 1 // java.lang.String field
        end local 0 // org.apache.lucene.document.FeatureField$LogFunction this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    8     0          this  Lorg/apache/lucene/document/FeatureField$LogFunction;
            0    8     1         field  Ljava/lang/String;
            0    8     2       feature  Ljava/lang/String;
            0    8     3             w  F
            0    8     4          freq  I
            1    8     5  featureValue  F
            2    8     6         score  F
    MethodParameters:
         Name  Flags
      field    
      feature  
      w        
      freq     
}
SourceFile: "FeatureField.java"
NestHost: org.apache.lucene.document.FeatureField
InnerClasses:
  abstract FeatureFunction = org.apache.lucene.document.FeatureField$FeatureFunction of org.apache.lucene.document.FeatureField
  final LogFunction = org.apache.lucene.document.FeatureField$LogFunction of org.apache.lucene.document.FeatureField
  org.apache.lucene.document.FeatureField$LogFunction$1
  public abstract SimScorer = org.apache.lucene.search.similarities.Similarity$SimScorer of org.apache.lucene.search.similarities.Similarity