Class NumExprObject

numexpr3/numexpr_object.hpp:50–69

// https://docs.python.org/3/c-api/structures.html
#define SIZEOF_PYOBJECT_HEAD sizeof(PyObject)
struct NumExprObject
{
    PyObject_HEAD
    struct NumExprOperation  *program;
    struct NumExprReg        *registers;
    
    // a chunk of raw memory for storing scalar BLOCKs, just a reference
    // for efficient garbage collection.
    char                    *scalar_mem;  
    npy_intp                 scalar_mem_size;
    // temporaries need a block of memory at least sum(BLOCKSIZE1*total_temp_itemsize)
    Py_ssize_t               total_temp_itemsize; 
    int                      program_len;    
    NE_REGISTER              n_reg;
    NE_REGISTER              n_array;          // The number of arrays AND return registers
    NE_REGISTER              n_scalar;
    NE_REGISTER              n_temp;  
    NE_REGISTER              returnReg;        // The index of the return in registers, defaults to -1
    NE_REGISTER              returnOperand;    // The index of the return in the iterator, defaults to -1
};


extern PyTypeObject NumExprType;