typedef struct _ModuleWaveShaperAtan
{
    ModuleInstanceDescriptor instance;            // Common Audio Weaver module instance structure
    INT32 numStages;                              // The number of stages in series
    INT32 invStages;                              // Inverting or not inverting every other stage when cascaded
    FLOAT32 kPos;                                 // Defines the amount of nonlinear processing for the positive half of the input signal
    FLOAT32 kNeg;                                 // Defines the amount of nonlinear processing for the negative half of the input signal
    INT32 useTableLookup;                         // Shaping via lookup table
    FLOAT32 minX;                                 // X value corresponding to the first table entry.
    FLOAT32 maxX;                                 // X value corresponding to the last table entry.
    INT32 L;                                      // Number of entries in the table.
    FLOAT32 divisor;                              // Precomputed constant = (L-1)/(maxX-minX) to eliminate division on the target.
    INT32 tableHeap;                              // Heap in which to allocate memory.
    FLOAT32* table_atan;                          // Array of arctan table values
} ModuleWaveShaperAtanClass;