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void lossdistrib(double *p, int *np, double *w, double *S, int *N, int *defaultflag, double *q);
void lossdistrib_blas(double *p, int *np, double *w, double *S, int *N, int *defaultflag, double *q);

double shockprob(double p, double rho, double Z, int give_log);

void lossdistrib_Z(double *p, int *np, double *w, double *S, int *N, int *defaultflag,
                   double *rho, double *Z, int *nZ, double *q);

void lossdistrib_truncated(double *p, int *np, double *w, double *S, int *N,
                           int *T, int *defaultflag, double *q);

void lossdistrib_joint(double *p, int *np, double *w, double *S, int *N,
		       int *defaultflag, double *q);

void lossdistrib_joint_blas(double *p, int *np, double *w, double *S, int *N,
			    int *defaultflag, double *q);

void recovdist(double *dp, double *pp, int *n, double *w, double *S, int *N, double *q);

void lossdistrib_prepay_joint(double *dp, double *pp, int *ndp, double *w,
                              double *S, int *N, int *defaultflag, double *q);
double dqnorm(double x);

double dshockprob(double p, double rho, double Z);

void shockprobvec2(double p, double rho, double* Z, int nZ, double *q);

double shockseverity(double S, double Z, double rho, double p);

void fitprob(double* Z, double* w, int* nZ, double* rho, double* p0, double* result);

void stochasticrecov(double* R, double* Rtilde, double* Z, double* w, int* nZ,
                     double* rho, double* porig, double* pmod, double* q);

void lossdistrib_prepay_joint_Z(double *dp, double *pp, int *ndp, double *w,
                                double *S, int *N, int *defaultflag, double *rho,
                                double *Z, double *wZ, int *nZ, double *q);
void lossdistrib_joint_Z(double *dp, int *ndp, double *w,
                         double *S, int *N, int *defaultflag, double *rho,
                         double *Z, double *wZ, int *nZ, double *q);

void BClossdist(double *SurvProb, int *dim1, int *dim2, double *issuerweights,
                double *recov, double *Z, double *w, int *n, double *rho, int *N,
                int *defaultflag, double *L, double *R);

double quantile(double* Z, double* w, int nZ, double p0);