nr.h

it s a sorting c code which is using many kinds of sort algorithm

void mpinv(unsigned char u[], unsigned char v[], int n, int m);
void mplsh(unsigned char u[], int n);
void mpmov(unsigned char u[], unsigned char v[], int n);
void mpmul(unsigned char w[], unsigned char u[], unsigned char v[], int n,
	int m);
void mpneg(unsigned char u[], int n);
void mppi(int n);
void mprove(float **a, float **alud, int n, int indx[], float b[],
	float x[]);
void mpsad(unsigned char w[], unsigned char u[], int n, int iv);
void mpsdv(unsigned char w[], unsigned char u[], int n, int iv, int *ir);
void mpsmu(unsigned char w[], unsigned char u[], int n, int iv);
void mpsqrt(unsigned char w[], unsigned char u[], unsigned char v[], int n,
	int m);
void mpsub(int *is, unsigned char w[], unsigned char u[], unsigned char v[],
	int n);
void mrqcof(float x[], float y[], float sig[], int ndata, float a[],
	int ia[], int ma, float **alpha, float beta[], float *chisq,
	void (*funcs)(float, float [], float *, float [], int));
void mrqmin(float x[], float y[], float sig[], int ndata, float a[],
	int ia[], int ma, float **covar, float **alpha, float *chisq,
	void (*funcs)(float, float [], float *, float [], int), float *alamda);
void newt(float x[], int n, int *check,
	void (*vecfunc)(int, float [], float []));
void odeint(float ystart[], int nvar, float x1, float x2,
	float eps, float h1, float hmin, int *nok, int *nbad,
	void (*derivs)(float, float [], float []),
	void (*rkqs)(float [], float [], int, float *, float, float,
	float [], float *, float *, void (*)(float, float [], float [])));
void orthog(int n, float anu[], float alpha[], float beta[], float a[],
	float b[]);
void pade(double cof[], int n, float *resid);
void pccheb(float d[], float c[], int n);
void pcshft(float a, float b, float d[], int n);
void pearsn(float x[], float y[], unsigned long n, float *r, float *prob,
	float *z);
void period(float x[], float y[], int n, float ofac, float hifac,
	float px[], float py[], int np, int *nout, int *jmax, float *prob);
void piksr2(int n, float arr[], float brr[]);
void piksrt(int n, float arr[]);
void pinvs(int ie1, int ie2, int je1, int jsf, int jc1, int k,
	float ***c, float **s);
float plgndr(int l, int m, float x);
float poidev(float xm, long *idum);
void polcoe(float x[], float y[], int n, float cof[]);
void polcof(float xa[], float ya[], int n, float cof[]);
void poldiv(float u[], int n, float v[], int nv, float q[], float r[]);
void polin2(float x1a[], float x2a[], float **ya, int m, int n,
	float x1, float x2, float *y, float *dy);
void polint(float xa[], float ya[], int n, float x, float *y, float *dy);
void powell(float p[], float **xi, int n, float ftol, int *iter, float *fret,
	float (*func)(float []));
void predic(float data[], int ndata, float d[], int m, float future[], int nfut);
float probks(float alam);
void psdes(unsigned long *lword, unsigned long *irword);
void pwt(float a[], unsigned long n, int isign);
void pwtset(int n);
float pythag(float a, float b);
void pzextr(int iest, float xest, float yest[], float yz[], float dy[],
	int nv);
float qgaus(float (*func)(float), float a, float b);
void qrdcmp(float **a, int n, float *c, float *d, int *sing);
float qromb(float (*func)(float), float a, float b);
float qromo(float (*func)(float), float a, float b,
	float (*choose)(float (*)(float), float, float, int));
void qroot(float p[], int n, float *b, float *c, float eps);
void qrsolv(float **a, int n, float c[], float d[], float b[]);
void qrupdt(float **r, float **qt, int n, float u[], float v[]);
float qsimp(float (*func)(float), float a, float b);
float qtrap(float (*func)(float), float a, float b);
float quad3d(float (*func)(float, float, float), float x1, float x2);
void quadct(float x, float y, float xx[], float yy[], unsigned long nn,
	float *fa, float *fb, float *fc, float *fd);
void quadmx(float **a, int n);
void quadvl(float x, float y, float *fa, float *fb, float *fc, float *fd);
float ran0(long *idum);
float ran1(long *idum);
float ran2(long *idum);
float ran3(long *idum);
float ran4(long *idum);
void rank(unsigned long n, unsigned long indx[], unsigned long irank[]);
void ranpt(float pt[], float regn[], int n);
void ratint(float xa[], float ya[], int n, float x, float *y, float *dy);
void ratlsq(double (*fn)(double), double a, double b, int mm, int kk,
	double cof[], double *dev);
double ratval(double x, double cof[], int mm, int kk);
float rc(float x, float y);
float rd(float x, float y, float z);
void realft(float data[], unsigned long n, int isign);
void rebin(float rc, int nd, float r[], float xin[], float xi[]);
void red(int iz1, int iz2, int jz1, int jz2, int jm1, int jm2, int jmf,
	int ic1, int jc1, int jcf, int kc, float ***c, float **s);
void relax(double **u, double **rhs, int n);
void relax2(double **u, double **rhs, int n);
void resid(double **res, double **u, double **rhs, int n);
float revcst(float x[], float y[], int iorder[], int ncity, int n[]);
void reverse(int iorder[], int ncity, int n[]);
float rf(float x, float y, float z);
float rj(float x, float y, float z, float p);
void rk4(float y[], float dydx[], int n, float x, float h, float yout[],
	void (*derivs)(float, float [], float []));
void rkck(float y[], float dydx[], int n, float x, float h,
	float yout[], float yerr[], void (*derivs)(float, float [], float []));
void rkdumb(float vstart[], int nvar, float x1, float x2, int nstep,
	void (*derivs)(float, float [], float []));
void rkqs(float y[], float dydx[], int n, float *x,
	float htry, float eps, float yscal[], float *hdid, float *hnext,
	void (*derivs)(float, float [], float []));
void rlft3(float ***data, float **speq, unsigned long nn1,
	unsigned long nn2, unsigned long nn3, int isign);
float rofunc(float b);
void rotate(float **r, float **qt, int n, int i, float a, float b);
void rsolv(float **a, int n, float d[], float b[]);
void rstrct(double **uc, double **uf, int nc);
float rtbis(float (*func)(float), float x1, float x2, float xacc);
float rtflsp(float (*func)(float), float x1, float x2, float xacc);
float rtnewt(void (*funcd)(float, float *, float *), float x1, float x2,
	float xacc);
float rtsafe(void (*funcd)(float, float *, float *), float x1, float x2,
	float xacc);
float rtsec(float (*func)(float), float x1, float x2, float xacc);
void rzextr(int iest, float xest, float yest[], float yz[], float dy[], int nv);
void savgol(float c[], int np, int nl, int nr, int ld, int m);
void score(float xf, float y[], float f[]);
void scrsho(float (*fx)(float));
float select(unsigned long k, unsigned long n, float arr[]);
float selip(unsigned long k, unsigned long n, float arr[]);
void shell(unsigned long n, float a[]);
void shoot(int n, float v[], float f[]);
void shootf(int n, float v[], float f[]);
void simp1(float **a, int mm, int ll[], int nll, int iabf, int *kp,
	float *bmax);
void simp2(float **a, int n, int l2[], int nl2, int *ip, int kp, float *q1);
void simp3(float **a, int i1, int k1, int ip, int kp);
void simplx(float **a, int m, int n, int m1, int m2, int m3, int *icase,
	int izrov[], int iposv[]);
void simpr(float y[], float dydx[], float dfdx[], float **dfdy,
	int n, float xs, float htot, int nstep, float yout[],
	void (*derivs)(float, float [], float []));
void sinft(float y[], int n);
void slvsm2(double **u, double **rhs);
void slvsml(double **u, double **rhs);
void sncndn(float uu, float emmc, float *sn, float *cn, float *dn);
double snrm(unsigned long n, double sx[], int itol);
void sobseq(int *n, float x[]);
void solvde(int itmax, float conv, float slowc, float scalv[],
	int indexv[], int ne, int nb, int m, float **y, float ***c, float **s);
void sor(double **a, double **b, double **c, double **d, double **e,
	double **f, double **u, int jmax, double rjac);
void sort(unsigned long n, float arr[]);
void sort2(unsigned long n, float arr[], float brr[]);
void sort3(unsigned long n, float ra[], float rb[], float rc[]);
void spctrm(FILE *fp, float p[], int m, int k, int ovrlap);
void spear(float data1[], float data2[], unsigned long n, float *d, float *zd,
	float *probd, float *rs, float *probrs);
void sphbes(int n, float x, float *sj, float *sy, float *sjp, float *syp);
void splie2(float x1a[], float x2a[], float **ya, int m, int n, float **y2a);
void splin2(float x1a[], float x2a[], float **ya, float **y2a, int m, int n,
	float x1, float x2, float *y);
void spline(float x[], float y[], int n, float yp1, float ypn, float y2[]);
void splint(float xa[], float ya[], float y2a[], int n, float x, float *y);
void spread(float y, float yy[], unsigned long n, float x, int m);
void sprsax(float sa[], unsigned long ija[], float x[], float b[],
	unsigned long n);
void sprsin(float **a, int n, float thresh, unsigned long nmax, float sa[],
	unsigned long ija[]);
void sprspm(float sa[], unsigned long ija[], float sb[], unsigned long ijb[],
	float sc[], unsigned long ijc[]);
void sprstm(float sa[], unsigned long ija[], float sb[], unsigned long ijb[],
	float thresh, unsigned long nmax, float sc[], unsigned long ijc[]);
void sprstp(float sa[], unsigned long ija[], float sb[], unsigned long ijb[]);
void sprstx(float sa[], unsigned long ija[], float x[], float b[],
	unsigned long n);
void stifbs(float y[], float dydx[], int nv, float *xx,
	float htry, float eps, float yscal[], float *hdid, float *hnext,
	void (*derivs)(float, float [], float []));
void stiff(float y[], float dydx[], int n, float *x,
	float htry, float eps, float yscal[], float *hdid, float *hnext,
	void (*derivs)(float, float [], float []));
void stoerm(float y[], float d2y[], int nv, float xs,
	float htot, int nstep, float yout[],
	void (*derivs)(float, float [], float []));
void svbksb(float **u, float w[], float **v, int m, int n, float b[],
	float x[]);
void svdcmp(float **a, int m, int n, float w[], float **v);
void svdfit(float x[], float y[], float sig[], int ndata, float a[],
	int ma, float **u, float **v, float w[], float *chisq,
	void (*funcs)(float, float [], int));
void svdvar(float **v, int ma, float w[], float **cvm);
void toeplz(float r[], float x[], float y[], int n);
void tptest(float data1[], float data2[], unsigned long n, float *t, float *prob);
void tqli(float d[], float e[], int n, float **z);
float trapzd(float (*func)(float), float a, float b, int n);
void tred2(float **a, int n, float d[], float e[]);
void tridag(float a[], float b[], float c[], float r[], float u[],
	unsigned long n);
float trncst(float x[], float y[], int iorder[], int ncity, int n[]);
void trnspt(int iorder[], int ncity, int n[]);
void ttest(float data1[], unsigned long n1, float data2[], unsigned long n2,
	float *t, float *prob);
void tutest(float data1[], unsigned long n1, float data2[], unsigned long n2,
	float *t, float *prob);
void twofft(float data1[], float data2[], float fft1[], float fft2[],
	unsigned long n);
void vander(double x[], double w[], double q[], int n);
void vegas(float regn[], int ndim, float (*fxn)(float [], float), int init,
	unsigned long ncall, int itmx, int nprn, float *tgral, float *sd,
	float *chi2a);
void voltra(int n, int m, float t0, float h, float *t, float **f,
	float (*g)(int, float), float (*ak)(int, int, float, float));
void wt1(float a[], unsigned long n, int isign,
	void (*wtstep)(float [], unsigned long, int));
void wtn(float a[], unsigned long nn[], int ndim, int isign,
	void (*wtstep)(float [], unsigned long, int));
void wwghts(float wghts[], int n, float h,
	void (*kermom)(double [], double ,int));
int zbrac(float (*func)(float), float *x1, float *x2);
void zbrak(float (*fx)(float), float x1, float x2, int n, float xb1[],
	float xb2[], int *nb);
float zbrent(float (*func)(float), float x1, float x2, float tol);
void zrhqr(float a[], int m, float rtr[], float rti[]);
float zriddr(float (*func)(float), float x1, float x2, float xacc);
void zroots(fcomplex a[], int m, fcomplex roots[], int polish);

#else /* ANSI */
/* traditional - K&R */

void addint();
void airy();
void amebsa();
void amoeba();
float amotry();
float amotsa();
void anneal();
double anorm2();
void arcmak();
void arcode();
void arcsum();
void asolve();
void atimes();
void avevar();
void balanc();
void banbks();
void bandec();
void banmul();
void bcucof();
void bcuint();
void beschb();
float bessi();
float bessi0();
float bessi1();
void bessik();
float bessj();
float bessj0();
float bessj1();
void bessjy();
float bessk();
float bessk0();
float bessk1();
float bessy();
float bessy0();
float bessy1();
float beta();
float betacf();
float betai();
float bico();
void bksub();
float bnldev();
float brent();
void broydn();
void bsstep();
void caldat();
void chder();
float chebev();
void chebft();
void chebpc();
void chint();
float chixy();
void choldc();
void cholsl();
void chsone();
void chstwo();
void cisi();
void cntab1();
void cntab2();
void convlv();
void copy();
void correl();
void cosft();
void cosft1();
void cosft2();
void covsrt();
void crank();
void cyclic();
void daub4();
float dawson();
float dbrent();