class org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction implements org.apache.commons.math3.analysis.BivariateFunction
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction
  super_class: java.lang.Object
{
  private static final short N;
    descriptor: S
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 4

  private final double[][] a;
    descriptor: [[D
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.commons.math3.analysis.BivariateFunction partialDerivativeX;
    descriptor: Lorg/apache/commons/math3/analysis/BivariateFunction;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.commons.math3.analysis.BivariateFunction partialDerivativeY;
    descriptor: Lorg/apache/commons/math3/analysis/BivariateFunction;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.commons.math3.analysis.BivariateFunction partialDerivativeXX;
    descriptor: Lorg/apache/commons/math3/analysis/BivariateFunction;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.commons.math3.analysis.BivariateFunction partialDerivativeYY;
    descriptor: Lorg/apache/commons/math3/analysis/BivariateFunction;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.commons.math3.analysis.BivariateFunction partialDerivativeXY;
    descriptor: Lorg/apache/commons/math3/analysis/BivariateFunction;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  void <init>(double[]);
    descriptor: ([D)V
    flags: (0x0000) 
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction this
        start local 1 // double[] coeff
         0: .line 461
            aload 0 /* this */
            aload 1 /* coeff */
            iconst_0
            invokespecial org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.<init>:([DZ)V
         1: .line 462
            return
        end local 1 // double[] coeff
        end local 0 // org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lorg/apache/commons/math3/analysis/interpolation/BicubicSplineFunction;
            0    2     1  coeff  [D
    MethodParameters:
       Name  Flags
      coeff  

  void <init>(double[], boolean);
    descriptor: ([DZ)V
    flags: (0x0000) 
    Code:
      stack=6, locals=12, args_size=3
        start local 0 // org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction this
        start local 1 // double[] coeff
        start local 2 // boolean initializeDerivatives
         0: .line 472
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 473
            aload 0 /* this */
            iconst_4
            iconst_4
            multianewarray [[D 2
            putfield org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.a:[[D
         2: .line 474
            iconst_0
            istore 3 /* i */
        start local 3 // int i
         3: goto 10
         4: .line 475
      StackMap locals: org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction double[] int int
      StackMap stack:
            iconst_0
            istore 4 /* j */
        start local 4 // int j
         5: goto 8
         6: .line 476
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.a:[[D
            iload 3 /* i */
            aaload
            iload 4 /* j */
            aload 1 /* coeff */
            iload 3 /* i */
            iconst_4
            imul
            iload 4 /* j */
            iadd
            daload
            dastore
         7: .line 475
            iinc 4 /* j */ 1
      StackMap locals:
      StackMap stack:
         8: iload 4 /* j */
            iconst_4
            if_icmplt 6
        end local 4 // int j
         9: .line 474
            iinc 3 /* i */ 1
      StackMap locals:
      StackMap stack:
        10: iload 3 /* i */
            iconst_4
            if_icmplt 4
        end local 3 // int i
        11: .line 480
            iload 2 /* initializeDerivatives */
            ifeq 37
        12: .line 482
            iconst_4
            iconst_4
            multianewarray [[D 2
            astore 3 /* aX */
        start local 3 // double[][] aX
        13: .line 483
            iconst_4
            iconst_4
            multianewarray [[D 2
            astore 4 /* aY */
        start local 4 // double[][] aY
        14: .line 484
            iconst_4
            iconst_4
            multianewarray [[D 2
            astore 5 /* aXX */
        start local 5 // double[][] aXX
        15: .line 485
            iconst_4
            iconst_4
            multianewarray [[D 2
            astore 6 /* aYY */
        start local 6 // double[][] aYY
        16: .line 486
            iconst_4
            iconst_4
            multianewarray [[D 2
            astore 7 /* aXY */
        start local 7 // double[][] aXY
        17: .line 488
            iconst_0
            istore 8 /* i */
        start local 8 // int i
        18: goto 30
        19: .line 489
      StackMap locals: org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction double[] int double[][] double[][] double[][] double[][] double[][] int
      StackMap stack:
            iconst_0
            istore 9 /* j */
        start local 9 // int j
        20: goto 28
        21: .line 490
      StackMap locals: int
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.a:[[D
            iload 8 /* i */
            aaload
            iload 9 /* j */
            daload
            dstore 10 /* c */
        start local 10 // double c
        22: .line 491
            aload 3 /* aX */
            iload 8 /* i */
            aaload
            iload 9 /* j */
            iload 8 /* i */
            i2d
            dload 10 /* c */
            dmul
            dastore
        23: .line 492
            aload 4 /* aY */
            iload 8 /* i */
            aaload
            iload 9 /* j */
            iload 9 /* j */
            i2d
            dload 10 /* c */
            dmul
            dastore
        24: .line 493
            aload 5 /* aXX */
            iload 8 /* i */
            aaload
            iload 9 /* j */
            iload 8 /* i */
            iconst_1
            isub
            i2d
            aload 3 /* aX */
            iload 8 /* i */
            aaload
            iload 9 /* j */
            daload
            dmul
            dastore
        25: .line 494
            aload 6 /* aYY */
            iload 8 /* i */
            aaload
            iload 9 /* j */
            iload 9 /* j */
            iconst_1
            isub
            i2d
            aload 4 /* aY */
            iload 8 /* i */
            aaload
            iload 9 /* j */
            daload
            dmul
            dastore
        26: .line 495
            aload 7 /* aXY */
            iload 8 /* i */
            aaload
            iload 9 /* j */
            iload 9 /* j */
            i2d
            aload 3 /* aX */
            iload 8 /* i */
            aaload
            iload 9 /* j */
            daload
            dmul
            dastore
        end local 10 // double c
        27: .line 489
            iinc 9 /* j */ 1
      StackMap locals:
      StackMap stack:
        28: iload 9 /* j */
            iconst_4
            if_icmplt 21
        end local 9 // int j
        29: .line 488
            iinc 8 /* i */ 1
      StackMap locals:
      StackMap stack:
        30: iload 8 /* i */
            iconst_4
            if_icmplt 19
        end local 8 // int i
        31: .line 499
            aload 0 /* this */
            new org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$1
            dup
            aload 0 /* this */
            aload 3 /* aX */
            invokespecial org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$1.<init>:(Lorg/apache/commons/math3/analysis/interpolation/BicubicSplineFunction;[[D)V
            putfield org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.partialDerivativeX:Lorg/apache/commons/math3/analysis/BivariateFunction;
        32: .line 512
            aload 0 /* this */
            new org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$2
            dup
            aload 0 /* this */
            aload 4 /* aY */
            invokespecial org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$2.<init>:(Lorg/apache/commons/math3/analysis/interpolation/BicubicSplineFunction;[[D)V
            putfield org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.partialDerivativeY:Lorg/apache/commons/math3/analysis/BivariateFunction;
        33: .line 525
            aload 0 /* this */
            new org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$3
            dup
            aload 0 /* this */
            aload 5 /* aXX */
            invokespecial org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$3.<init>:(Lorg/apache/commons/math3/analysis/interpolation/BicubicSplineFunction;[[D)V
            putfield org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.partialDerivativeXX:Lorg/apache/commons/math3/analysis/BivariateFunction;
        34: .line 537
            aload 0 /* this */
            new org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$4
            dup
            aload 0 /* this */
            aload 6 /* aYY */
            invokespecial org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$4.<init>:(Lorg/apache/commons/math3/analysis/interpolation/BicubicSplineFunction;[[D)V
            putfield org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.partialDerivativeYY:Lorg/apache/commons/math3/analysis/BivariateFunction;
        35: .line 549
            aload 0 /* this */
            new org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$5
            dup
            aload 0 /* this */
            aload 7 /* aXY */
            invokespecial org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$5.<init>:(Lorg/apache/commons/math3/analysis/interpolation/BicubicSplineFunction;[[D)V
            putfield org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.partialDerivativeXY:Lorg/apache/commons/math3/analysis/BivariateFunction;
        end local 7 // double[][] aXY
        end local 6 // double[][] aYY
        end local 5 // double[][] aXX
        end local 4 // double[][] aY
        end local 3 // double[][] aX
        36: .line 561
            goto 42
        37: .line 562
      StackMap locals: org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction double[] int
      StackMap stack:
            aload 0 /* this */
            aconst_null
            putfield org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.partialDerivativeX:Lorg/apache/commons/math3/analysis/BivariateFunction;
        38: .line 563
            aload 0 /* this */
            aconst_null
            putfield org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.partialDerivativeY:Lorg/apache/commons/math3/analysis/BivariateFunction;
        39: .line 564
            aload 0 /* this */
            aconst_null
            putfield org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.partialDerivativeXX:Lorg/apache/commons/math3/analysis/BivariateFunction;
        40: .line 565
            aload 0 /* this */
            aconst_null
            putfield org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.partialDerivativeYY:Lorg/apache/commons/math3/analysis/BivariateFunction;
        41: .line 566
            aload 0 /* this */
            aconst_null
            putfield org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.partialDerivativeXY:Lorg/apache/commons/math3/analysis/BivariateFunction;
        42: .line 568
      StackMap locals:
      StackMap stack:
            return
        end local 2 // boolean initializeDerivatives
        end local 1 // double[] coeff
        end local 0 // org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction this
      LocalVariableTable:
        Start  End  Slot                   Name  Signature
            0   43     0                   this  Lorg/apache/commons/math3/analysis/interpolation/BicubicSplineFunction;
            0   43     1                  coeff  [D
            0   43     2  initializeDerivatives  Z
            3   11     3                      i  I
            5    9     4                      j  I
           13   36     3                     aX  [[D
           14   36     4                     aY  [[D
           15   36     5                    aXX  [[D
           16   36     6                    aYY  [[D
           17   36     7                    aXY  [[D
           18   31     8                      i  I
           20   29     9                      j  I
           22   27    10                      c  D
    MethodParameters:
                       Name  Flags
      coeff                  
      initializeDerivatives  

  public double value(double, double);
    descriptor: (DD)D
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=15, args_size=3
        start local 0 // org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction this
        start local 1 // double x
        start local 3 // double y
         0: .line 574
            dload 1 /* x */
            dconst_0
            dcmpg
            iflt 1
            dload 1 /* x */
            dconst_1
            dcmpl
            ifle 2
         1: .line 575
      StackMap locals:
      StackMap stack:
            new org.apache.commons.math3.exception.OutOfRangeException
            dup
            dload 1 /* x */
            invokestatic java.lang.Double.valueOf:(D)Ljava/lang/Double;
            iconst_0
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            iconst_1
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokespecial org.apache.commons.math3.exception.OutOfRangeException.<init>:(Ljava/lang/Number;Ljava/lang/Number;Ljava/lang/Number;)V
            athrow
         2: .line 577
      StackMap locals:
      StackMap stack:
            dload 3 /* y */
            dconst_0
            dcmpg
            iflt 3
            dload 3 /* y */
            dconst_1
            dcmpl
            ifle 4
         3: .line 578
      StackMap locals:
      StackMap stack:
            new org.apache.commons.math3.exception.OutOfRangeException
            dup
            dload 3 /* y */
            invokestatic java.lang.Double.valueOf:(D)Ljava/lang/Double;
            iconst_0
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            iconst_1
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            invokespecial org.apache.commons.math3.exception.OutOfRangeException.<init>:(Ljava/lang/Number;Ljava/lang/Number;Ljava/lang/Number;)V
            athrow
         4: .line 581
      StackMap locals:
      StackMap stack:
            dload 1 /* x */
            dload 1 /* x */
            dmul
            dstore 5 /* x2 */
        start local 5 // double x2
         5: .line 582
            dload 5 /* x2 */
            dload 1 /* x */
            dmul
            dstore 7 /* x3 */
        start local 7 // double x3
         6: .line 583
            iconst_4
            newarray 7
            dup
            iconst_0
            dconst_1
            dastore
            dup
            iconst_1
            dload 1 /* x */
            dastore
            dup
            iconst_2
            dload 5 /* x2 */
            dastore
            dup
            iconst_3
            dload 7 /* x3 */
            dastore
            astore 9 /* pX */
        start local 9 // double[] pX
         7: .line 585
            dload 3 /* y */
            dload 3 /* y */
            dmul
            dstore 10 /* y2 */
        start local 10 // double y2
         8: .line 586
            dload 10 /* y2 */
            dload 3 /* y */
            dmul
            dstore 12 /* y3 */
        start local 12 // double y3
         9: .line 587
            iconst_4
            newarray 7
            dup
            iconst_0
            dconst_1
            dastore
            dup
            iconst_1
            dload 3 /* y */
            dastore
            dup
            iconst_2
            dload 10 /* y2 */
            dastore
            dup
            iconst_3
            dload 12 /* y3 */
            dastore
            astore 14 /* pY */
        start local 14 // double[] pY
        10: .line 589
            aload 0 /* this */
            aload 9 /* pX */
            aload 14 /* pY */
            aload 0 /* this */
            getfield org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.a:[[D
            invokevirtual org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.apply:([D[D[[D)D
            dreturn
        end local 14 // double[] pY
        end local 12 // double y3
        end local 10 // double y2
        end local 9 // double[] pX
        end local 7 // double x3
        end local 5 // double x2
        end local 3 // double y
        end local 1 // double x
        end local 0 // org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   11     0  this  Lorg/apache/commons/math3/analysis/interpolation/BicubicSplineFunction;
            0   11     1     x  D
            0   11     3     y  D
            5   11     5    x2  D
            6   11     7    x3  D
            7   11     9    pX  [D
            8   11    10    y2  D
            9   11    12    y3  D
           10   11    14    pY  [D
    MethodParameters:
      Name  Flags
      x     
      y     

  private double apply(double[], double[], double[][]);
    descriptor: ([D[D[[D)D
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=6, locals=8, args_size=4
        start local 0 // org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction this
        start local 1 // double[] pX
        start local 2 // double[] pY
        start local 3 // double[][] coeff
         0: .line 601
            dconst_0
            dstore 4 /* result */
        start local 4 // double result
         1: .line 602
            iconst_0
            istore 6 /* i */
        start local 6 // int i
         2: goto 9
         3: .line 603
      StackMap locals: double int
      StackMap stack:
            iconst_0
            istore 7 /* j */
        start local 7 // int j
         4: goto 7
         5: .line 604
      StackMap locals: int
      StackMap stack:
            dload 4 /* result */
            aload 3 /* coeff */
            iload 6 /* i */
            aaload
            iload 7 /* j */
            daload
            aload 1 /* pX */
            iload 6 /* i */
            daload
            dmul
            aload 2 /* pY */
            iload 7 /* j */
            daload
            dmul
            dadd
            dstore 4 /* result */
         6: .line 603
            iinc 7 /* j */ 1
      StackMap locals:
      StackMap stack:
         7: iload 7 /* j */
            iconst_4
            if_icmplt 5
        end local 7 // int j
         8: .line 602
            iinc 6 /* i */ 1
      StackMap locals:
      StackMap stack:
         9: iload 6 /* i */
            iconst_4
            if_icmplt 3
        end local 6 // int i
        10: .line 608
            dload 4 /* result */
            dreturn
        end local 4 // double result
        end local 3 // double[][] coeff
        end local 2 // double[] pY
        end local 1 // double[] pX
        end local 0 // org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   11     0    this  Lorg/apache/commons/math3/analysis/interpolation/BicubicSplineFunction;
            0   11     1      pX  [D
            0   11     2      pY  [D
            0   11     3   coeff  [[D
            1   11     4  result  D
            2   10     6       i  I
            4    8     7       j  I
    MethodParameters:
       Name  Flags
      pX     
      pY     
      coeff  

  public org.apache.commons.math3.analysis.BivariateFunction partialDerivativeX();
    descriptor: ()Lorg/apache/commons/math3/analysis/BivariateFunction;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction this
         0: .line 615
            aload 0 /* this */
            getfield org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.partialDerivativeX:Lorg/apache/commons/math3/analysis/BivariateFunction;
            areturn
        end local 0 // org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/math3/analysis/interpolation/BicubicSplineFunction;

  public org.apache.commons.math3.analysis.BivariateFunction partialDerivativeY();
    descriptor: ()Lorg/apache/commons/math3/analysis/BivariateFunction;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction this
         0: .line 621
            aload 0 /* this */
            getfield org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.partialDerivativeY:Lorg/apache/commons/math3/analysis/BivariateFunction;
            areturn
        end local 0 // org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/math3/analysis/interpolation/BicubicSplineFunction;

  public org.apache.commons.math3.analysis.BivariateFunction partialDerivativeXX();
    descriptor: ()Lorg/apache/commons/math3/analysis/BivariateFunction;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction this
         0: .line 627
            aload 0 /* this */
            getfield org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.partialDerivativeXX:Lorg/apache/commons/math3/analysis/BivariateFunction;
            areturn
        end local 0 // org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/math3/analysis/interpolation/BicubicSplineFunction;

  public org.apache.commons.math3.analysis.BivariateFunction partialDerivativeYY();
    descriptor: ()Lorg/apache/commons/math3/analysis/BivariateFunction;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction this
         0: .line 633
            aload 0 /* this */
            getfield org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.partialDerivativeYY:Lorg/apache/commons/math3/analysis/BivariateFunction;
            areturn
        end local 0 // org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/math3/analysis/interpolation/BicubicSplineFunction;

  public org.apache.commons.math3.analysis.BivariateFunction partialDerivativeXY();
    descriptor: ()Lorg/apache/commons/math3/analysis/BivariateFunction;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction this
         0: .line 639
            aload 0 /* this */
            getfield org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction.partialDerivativeXY:Lorg/apache/commons/math3/analysis/BivariateFunction;
            areturn
        end local 0 // org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/commons/math3/analysis/interpolation/BicubicSplineFunction;
}
SourceFile: "BicubicSplineInterpolatingFunction.java"
NestMembers:
  org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$1  org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$2  org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$3  org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$4  org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$5
InnerClasses:
  org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$1
  org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$2
  org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$3
  org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$4
  org.apache.commons.math3.analysis.interpolation.BicubicSplineFunction$5