wolffd@0: /* CAUTION: This is the ANSI C (only) version of the Numerical Recipes
wolffd@0:    utility file nrutil.c.  Do not confuse this file with the same-named
wolffd@0:    file nrutil.c that is supplied in the 'misc' subdirectory.
wolffd@0:    *That* file is the one from the book, and contains both ANSI and
wolffd@0:    traditional K&R versions, along with #ifdef macros to select the
wolffd@0:    correct version.  *This* file contains only ANSI C.               */
wolffd@0: 
wolffd@0: #include <stdio.h>
wolffd@0: #include <stddef.h>
wolffd@0: #include <stdlib.h>
wolffd@0: #define NR_END 1
wolffd@0: #define FREE_ARG char*
wolffd@0: 
wolffd@0: void nrerror(char error_text[])
wolffd@0: /* Numerical Recipes standard error handler */
wolffd@0: {
wolffd@0: 	fprintf(stderr,"Numerical Recipes run-time error...\n");
wolffd@0: 	fprintf(stderr,"%s\n",error_text);
wolffd@0: 	fprintf(stderr,"...now exiting to system...\n");
wolffd@0: 	exit(1);
wolffd@0: }
wolffd@0: 
wolffd@0: float *vector(long nl, long nh)
wolffd@0: /* allocate a float vector with subscript range v[nl..nh] */
wolffd@0: {
wolffd@0: 	float *v;
wolffd@0: 
wolffd@0: 	v=(float *)malloc((size_t) ((nh-nl+1+NR_END)*sizeof(float)));
wolffd@0: 	if (!v) nrerror("allocation failure in vector()");
wolffd@0: 	return v-nl+NR_END;
wolffd@0: }
wolffd@0: 
wolffd@0: int *ivector(long nl, long nh)
wolffd@0: /* allocate an int vector with subscript range v[nl..nh] */
wolffd@0: {
wolffd@0: 	int *v;
wolffd@0: 
wolffd@0: 	v=(int *)malloc((size_t) ((nh-nl+1+NR_END)*sizeof(int)));
wolffd@0: 	if (!v) nrerror("allocation failure in ivector()");
wolffd@0: 	return v-nl+NR_END;
wolffd@0: }
wolffd@0: 
wolffd@0: unsigned char *cvector(long nl, long nh)
wolffd@0: /* allocate an unsigned char vector with subscript range v[nl..nh] */
wolffd@0: {
wolffd@0: 	unsigned char *v;
wolffd@0: 
wolffd@0: 	v=(unsigned char *)malloc((size_t) ((nh-nl+1+NR_END)*sizeof(unsigned char)));
wolffd@0: 	if (!v) nrerror("allocation failure in cvector()");
wolffd@0: 	return v-nl+NR_END;
wolffd@0: }
wolffd@0: 
wolffd@0: unsigned long *lvector(long nl, long nh)
wolffd@0: /* allocate an unsigned long vector with subscript range v[nl..nh] */
wolffd@0: {
wolffd@0: 	unsigned long *v;
wolffd@0: 
wolffd@0: 	v=(unsigned long *)malloc((size_t) ((nh-nl+1+NR_END)*sizeof(long)));
wolffd@0: 	if (!v) nrerror("allocation failure in lvector()");
wolffd@0: 	return v-nl+NR_END;
wolffd@0: }
wolffd@0: 
wolffd@0: double *dvector(long nl, long nh)
wolffd@0: /* allocate a double vector with subscript range v[nl..nh] */
wolffd@0: {
wolffd@0: 	double *v;
wolffd@0: 
wolffd@0: 	v=(double *)malloc((size_t) ((nh-nl+1+NR_END)*sizeof(double)));
wolffd@0: 	if (!v) nrerror("allocation failure in dvector()");
wolffd@0: 	return v-nl+NR_END;
wolffd@0: }
wolffd@0: 
wolffd@0: float **matrix(long nrl, long nrh, long ncl, long nch)
wolffd@0: /* allocate a float matrix with subscript range m[nrl..nrh][ncl..nch] */
wolffd@0: {
wolffd@0: 	long i, nrow=nrh-nrl+1,ncol=nch-ncl+1;
wolffd@0: 	float **m;
wolffd@0: 
wolffd@0: 	/* allocate pointers to rows */
wolffd@0: 	m=(float **) malloc((size_t)((nrow+NR_END)*sizeof(float*)));
wolffd@0: 	if (!m) nrerror("allocation failure 1 in matrix()");
wolffd@0: 	m += NR_END;
wolffd@0: 	m -= nrl;
wolffd@0: 
wolffd@0: 	/* allocate rows and set pointers to them */
wolffd@0: 	m[nrl]=(float *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(float)));
wolffd@0: 	if (!m[nrl]) nrerror("allocation failure 2 in matrix()");
wolffd@0: 	m[nrl] += NR_END;
wolffd@0: 	m[nrl] -= ncl;
wolffd@0: 
wolffd@0: 	for(i=nrl+1;i<=nrh;i++) m[i]=m[i-1]+ncol;
wolffd@0: 
wolffd@0: 	/* return pointer to array of pointers to rows */
wolffd@0: 	return m;
wolffd@0: }
wolffd@0: 
wolffd@0: double **dmatrix(long nrl, long nrh, long ncl, long nch)
wolffd@0: /* allocate a double matrix with subscript range m[nrl..nrh][ncl..nch] */
wolffd@0: {
wolffd@0: 	long i, nrow=nrh-nrl+1,ncol=nch-ncl+1;
wolffd@0: 	double **m;
wolffd@0: 
wolffd@0: 	/* allocate pointers to rows */
wolffd@0: 	m=(double **) malloc((size_t)((nrow+NR_END)*sizeof(double*)));
wolffd@0: 	if (!m) nrerror("allocation failure 1 in matrix()");
wolffd@0: 	m += NR_END;
wolffd@0: 	m -= nrl;
wolffd@0: 
wolffd@0: 	/* allocate rows and set pointers to them */
wolffd@0: 	m[nrl]=(double *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(double)));
wolffd@0: 	if (!m[nrl]) nrerror("allocation failure 2 in matrix()");
wolffd@0: 	m[nrl] += NR_END;
wolffd@0: 	m[nrl] -= ncl;
wolffd@0: 
wolffd@0: 	for(i=nrl+1;i<=nrh;i++) m[i]=m[i-1]+ncol;
wolffd@0: 
wolffd@0: 	/* return pointer to array of pointers to rows */
wolffd@0: 	return m;
wolffd@0: }
wolffd@0: 
wolffd@0: int **imatrix(long nrl, long nrh, long ncl, long nch)
wolffd@0: /* allocate a int matrix with subscript range m[nrl..nrh][ncl..nch] */
wolffd@0: {
wolffd@0: 	long i, nrow=nrh-nrl+1,ncol=nch-ncl+1;
wolffd@0: 	int **m;
wolffd@0: 
wolffd@0: 	/* allocate pointers to rows */
wolffd@0: 	m=(int **) malloc((size_t)((nrow+NR_END)*sizeof(int*)));
wolffd@0: 	if (!m) nrerror("allocation failure 1 in matrix()");
wolffd@0: 	m += NR_END;
wolffd@0: 	m -= nrl;
wolffd@0: 
wolffd@0: 
wolffd@0: 	/* allocate rows and set pointers to them */
wolffd@0: 	m[nrl]=(int *) malloc((size_t)((nrow*ncol+NR_END)*sizeof(int)));
wolffd@0: 	if (!m[nrl]) nrerror("allocation failure 2 in matrix()");
wolffd@0: 	m[nrl] += NR_END;
wolffd@0: 	m[nrl] -= ncl;
wolffd@0: 
wolffd@0: 	for(i=nrl+1;i<=nrh;i++) m[i]=m[i-1]+ncol;
wolffd@0: 
wolffd@0: 	/* return pointer to array of pointers to rows */
wolffd@0: 	return m;
wolffd@0: }
wolffd@0: 
wolffd@0: float **submatrix(float **a, long oldrl, long oldrh, long oldcl, long oldch,
wolffd@0: 	long newrl, long newcl)
wolffd@0: /* point a submatrix [newrl..][newcl..] to a[oldrl..oldrh][oldcl..oldch] */
wolffd@0: {
wolffd@0: 	long i,j,nrow=oldrh-oldrl+1,ncol=oldcl-newcl;
wolffd@0: 	float **m;
wolffd@0: 
wolffd@0: 	/* allocate array of pointers to rows */
wolffd@0: 	m=(float **) malloc((size_t) ((nrow+NR_END)*sizeof(float*)));
wolffd@0: 	if (!m) nrerror("allocation failure in submatrix()");
wolffd@0: 	m += NR_END;
wolffd@0: 	m -= newrl;
wolffd@0: 
wolffd@0: 	/* set pointers to rows */
wolffd@0: 	for(i=oldrl,j=newrl;i<=oldrh;i++,j++) m[j]=a[i]+ncol;
wolffd@0: 
wolffd@0: 	/* return pointer to array of pointers to rows */
wolffd@0: 	return m;
wolffd@0: }
wolffd@0: 
wolffd@0: float **convert_matrix(float *a, long nrl, long nrh, long ncl, long nch)
wolffd@0: /* allocate a float matrix m[nrl..nrh][ncl..nch] that points to the matrix
wolffd@0: declared in the standard C manner as a[nrow][ncol], where nrow=nrh-nrl+1
wolffd@0: and ncol=nch-ncl+1. The routine should be called with the address
wolffd@0: &a[0][0] as the first argument. */
wolffd@0: {
wolffd@0: 	long i,j,nrow=nrh-nrl+1,ncol=nch-ncl+1;
wolffd@0: 	float **m;
wolffd@0: 
wolffd@0: 	/* allocate pointers to rows */
wolffd@0: 	m=(float **) malloc((size_t) ((nrow+NR_END)*sizeof(float*)));
wolffd@0: 	if (!m) nrerror("allocation failure in convert_matrix()");
wolffd@0: 	m += NR_END;
wolffd@0: 	m -= nrl;
wolffd@0: 
wolffd@0: 	/* set pointers to rows */
wolffd@0: 	m[nrl]=a-ncl;
wolffd@0: 	for(i=1,j=nrl+1;i<nrow;i++,j++) m[j]=m[j-1]+ncol;
wolffd@0: 	/* return pointer to array of pointers to rows */
wolffd@0: 	return m;
wolffd@0: }
wolffd@0: 
wolffd@0: double **convert_dmatrix(double *a, long nrl, long nrh, long ncl, long nch)
wolffd@0: /* allocate a float matrix m[nrl..nrh][ncl..nch] that points to the matrix
wolffd@0: declared in the standard C manner as a[nrow][ncol], where nrow=nrh-nrl+1
wolffd@0: and ncol=nch-ncl+1. The routine should be called with the address
wolffd@0: &a[0][0] as the first argument. */
wolffd@0: {
wolffd@0: 	long i,j,nrow=nrh-nrl+1,ncol=nch-ncl+1;
wolffd@0: 	double **m;
wolffd@0: 
wolffd@0: 	/* allocate pointers to rows */
wolffd@0: 	m=(double **) malloc((size_t) ((nrow+NR_END)*sizeof(double*)));
wolffd@0: 	if (!m) nrerror("allocation failure in convert_dmatrix()");
wolffd@0: 	m += NR_END;
wolffd@0: 	m -= nrl;
wolffd@0: 
wolffd@0: 	/* set pointers to rows */
wolffd@0: 	m[nrl]=a-ncl;
wolffd@0: 	for(i=1,j=nrl+1;i<nrow;i++,j++) m[j]=m[j-1]+ncol;
wolffd@0: 	/* return pointer to array of pointers to rows */
wolffd@0: 	return m;
wolffd@0: }
wolffd@0: 
wolffd@0: float ***f3tensor(long nrl, long nrh, long ncl, long nch, long ndl, long ndh)
wolffd@0: /* allocate a float 3tensor with range t[nrl..nrh][ncl..nch][ndl..ndh] */
wolffd@0: {
wolffd@0: 	long i,j,nrow=nrh-nrl+1,ncol=nch-ncl+1,ndep=ndh-ndl+1;
wolffd@0: 	float ***t;
wolffd@0: 
wolffd@0: 	/* allocate pointers to pointers to rows */
wolffd@0: 	t=(float ***) malloc((size_t)((nrow+NR_END)*sizeof(float**)));
wolffd@0: 	if (!t) nrerror("allocation failure 1 in f3tensor()");
wolffd@0: 	t += NR_END;
wolffd@0: 	t -= nrl;
wolffd@0: 
wolffd@0: 	/* allocate pointers to rows and set pointers to them */
wolffd@0: 	t[nrl]=(float **) malloc((size_t)((nrow*ncol+NR_END)*sizeof(float*)));
wolffd@0: 	if (!t[nrl]) nrerror("allocation failure 2 in f3tensor()");
wolffd@0: 	t[nrl] += NR_END;
wolffd@0: 	t[nrl] -= ncl;
wolffd@0: 
wolffd@0: 	/* allocate rows and set pointers to them */
wolffd@0: 	t[nrl][ncl]=(float *) malloc((size_t)((nrow*ncol*ndep+NR_END)*sizeof(float)));
wolffd@0: 	if (!t[nrl][ncl]) nrerror("allocation failure 3 in f3tensor()");
wolffd@0: 	t[nrl][ncl] += NR_END;
wolffd@0: 	t[nrl][ncl] -= ndl;
wolffd@0: 
wolffd@0: 	for(j=ncl+1;j<=nch;j++) t[nrl][j]=t[nrl][j-1]+ndep;
wolffd@0: 	for(i=nrl+1;i<=nrh;i++) {
wolffd@0: 		t[i]=t[i-1]+ncol;
wolffd@0: 		t[i][ncl]=t[i-1][ncl]+ncol*ndep;
wolffd@0: 		for(j=ncl+1;j<=nch;j++) t[i][j]=t[i][j-1]+ndep;
wolffd@0: 	}
wolffd@0: 
wolffd@0: 	/* return pointer to array of pointers to rows */
wolffd@0: 	return t;
wolffd@0: }
wolffd@0: 
wolffd@0: void free_vector(float *v, long nl, long nh)
wolffd@0: /* free a float vector allocated with vector() */
wolffd@0: {
wolffd@0: 	free((FREE_ARG) (v+nl-NR_END));
wolffd@0: }
wolffd@0: 
wolffd@0: void free_ivector(int *v, long nl, long nh)
wolffd@0: /* free an int vector allocated with ivector() */
wolffd@0: {
wolffd@0: 	free((FREE_ARG) (v+nl-NR_END));
wolffd@0: }
wolffd@0: 
wolffd@0: void free_cvector(unsigned char *v, long nl, long nh)
wolffd@0: /* free an unsigned char vector allocated with cvector() */
wolffd@0: {
wolffd@0: 	free((FREE_ARG) (v+nl-NR_END));
wolffd@0: }
wolffd@0: 
wolffd@0: void free_lvector(unsigned long *v, long nl, long nh)
wolffd@0: /* free an unsigned long vector allocated with lvector() */
wolffd@0: {
wolffd@0: 	free((FREE_ARG) (v+nl-NR_END));
wolffd@0: }
wolffd@0: 
wolffd@0: void free_dvector(double *v, long nl, long nh)
wolffd@0: /* free a double vector allocated with dvector() */
wolffd@0: {
wolffd@0: 	free((FREE_ARG) (v+nl-NR_END));
wolffd@0: }
wolffd@0: 
wolffd@0: void free_matrix(float **m, long nrl, long nrh, long ncl, long nch)
wolffd@0: /* free a float matrix allocated by matrix() */
wolffd@0: {
wolffd@0: 	free((FREE_ARG) (m[nrl]+ncl-NR_END));
wolffd@0: 	free((FREE_ARG) (m+nrl-NR_END));
wolffd@0: }
wolffd@0: 
wolffd@0: void free_dmatrix(double **m, long nrl, long nrh, long ncl, long nch)
wolffd@0: /* free a double matrix allocated by dmatrix() */
wolffd@0: {
wolffd@0: 	free((FREE_ARG) (m[nrl]+ncl-NR_END));
wolffd@0: 	free((FREE_ARG) (m+nrl-NR_END));
wolffd@0: }
wolffd@0: 
wolffd@0: void free_imatrix(int **m, long nrl, long nrh, long ncl, long nch)
wolffd@0: /* free an int matrix allocated by imatrix() */
wolffd@0: {
wolffd@0: 	free((FREE_ARG) (m[nrl]+ncl-NR_END));
wolffd@0: 	free((FREE_ARG) (m+nrl-NR_END));
wolffd@0: }
wolffd@0: 
wolffd@0: void free_submatrix(float **b, long nrl, long nrh, long ncl, long nch)
wolffd@0: /* free a submatrix allocated by submatrix() */
wolffd@0: {
wolffd@0: 	free((FREE_ARG) (b+nrl-NR_END));
wolffd@0: }
wolffd@0: 
wolffd@0: void free_convert_matrix(float **b, long nrl, long nrh, long ncl, long nch)
wolffd@0: /* free a matrix allocated by convert_matrix() */
wolffd@0: {
wolffd@0: 	free((FREE_ARG) (b+nrl-NR_END));
wolffd@0: }
wolffd@0: 
wolffd@0: void free_convert_dmatrix(double **b, long nrl, long nrh, long ncl, long nch)
wolffd@0: /* free a matrix allocated by convert_matrix() */
wolffd@0: {
wolffd@0: 	free((FREE_ARG) (b+nrl-NR_END));
wolffd@0: }
wolffd@0: 
wolffd@0: void free_f3tensor(float ***t, long nrl, long nrh, long ncl, long nch,
wolffd@0: 	long ndl, long ndh)
wolffd@0: /* free a float f3tensor allocated by f3tensor() */
wolffd@0: {
wolffd@0: 	free((FREE_ARG) (t[nrl][ncl]+ndl-NR_END));
wolffd@0: 	free((FREE_ARG) (t[nrl]+ncl-NR_END));
wolffd@0: 	free((FREE_ARG) (t+nrl-NR_END));
wolffd@0: }