#include "pastml.h"
#include "nrutil.h"

#define NR_END 1
#define FREE_ARG char*

void nrerror(char error_text[])
/* Numerical Recipes standard error handler */
{
    //fprintf(stderr,"BFGS optimization warning...\n");
    fprintf(stderr, "%s\n", error_text);
    //fprintf(stderr,"...now exiting to system...\n");
    //exit(1);
}

double *vector(long nl, long nh)
/* allocate a double vector with subscript range v[nl..nh] */
{
    double *v;
    v = (double *) malloc((size_t) ((nh - nl + 1 + NR_END) * sizeof(double)));
    if (!v) nrerror("allocation failure in vector()");
    //printf("allocating\n");
    return v - nl + NR_END;
}

double **matrix(long nrl, long nrh, long ncl, long nch)
/* allocate a double matrix with subscript range m[nrl..nrh][ncl..nch] */
{
    long i, nrow = nrh - nrl + 1, ncol = nch - ncl + 1;
    double **m;

    /* allocate pointers to rows */
    m = (double **) malloc((size_t) ((nrow + NR_END) * sizeof(double *)));
    if (!m) nrerror("allocation failure 1 in matrix()");
    m += NR_END;
    m -= nrl;

    /* allocate rows and set pointers to them */
    m[nrl] = (double *) malloc((size_t) ((nrow * ncol + NR_END) * sizeof(double)));
    if (!m[nrl]) nrerror("allocation failure 2 in matrix()");
    m[nrl] += NR_END;
    m[nrl] -= ncl;

    for (i = nrl + 1; i <= nrh; i++) m[i] = m[i - 1] + ncol;

    /* return pointer to array of pointers to rows */
    return m;
}

void free_vector(double *v, long nl, long nh)
/* free a double vector allocated with vector() */
{
    free((FREE_ARG) (v + nl - NR_END));
}

void free_matrix(double **m, long nrl, long nrh, long ncl, long nch)
/* free a double matrix allocated by matrix() */
{
    free((FREE_ARG) (m[nrl] + ncl - NR_END));
    free((FREE_ARG) (m + nrl - NR_END));
}

