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cdef extern from "isda/zerocurve.h":

    ctypedef long int TDate

    ctypedef struct TCurve:
        pass

    ctypedef struct TDateInterval:
        pass

    TCurve* JpmcdsBuildIRZeroCurve(TDate valueDate,
                                   char* instrNames,
                                   TDate* dates,
                                   double* rates,
                                   long nInstr,
                                   long mmDCC,
                                   long fixedSwapFreq,
                                   long floatSwapFreq,
                                   long fixedSwapDCC,
                                   long floatSwapDCC,
                                   long badDayConv,
                                   char* holidayFile)

cdef extern from "isda/tcurve.h":
    void JpmcdsFreeTCurve(TCurve* curve)

cdef extern from "isda/cxzerocurve.h":
    double JpmcdsZeroPrice(TCurve* curve, TDate date)

cdef class ZeroCurve:
    cdef TCurve* _thisptr
    cdef TDate* _dates
    cdef size_t _ninstr