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shapiro2.c
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#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "local_proto.h"
/* this is actually the Weisberg-Bingham stat. I need to
OCR the constants and implement this Cdhc_correctly */
double *Cdhc_shapiro_francia(double *x, int n)
{
static double y[2];
double suma = 0.0, sumb = 0.0, sumc = 0.0, sumd = 0.0, z, *xcopy;
int i;
if ((xcopy = (double *)malloc(n * sizeof(double))) == NULL) {
fprintf(stderr, "Memory error in Cdhc_shapiro_francia\n");
exit(EXIT_FAILURE);
}
for (i = 0; i < n; ++i)
xcopy[i] = x[i];
qsort(xcopy, n, sizeof(double), Cdhc_dcmp);
for (i = 0; i < n; ++i) {
z = Cdhc_xinormal((i + 1 - 0.375) / (n + 0.25));
suma += z * xcopy[i];
sumb += z * z;
sumc += xcopy[i];
sumd += xcopy[i] * xcopy[i];
}
y[0] = suma * suma / sumb / (sumd - sumc * sumc / n);
#ifdef NOISY
fprintf(stdout, " TEST14 SF(N) =%10.4f\n", y[0]);
#endif /* NOISY */
free(xcopy);
return y;
} /* test14_ */
NULL
#define NULL
Definition ccmath.h:32
Cdhc_dcmp
int Cdhc_dcmp(const void *i, const void *j)
Definition dcmp.c:1
Cdhc_shapiro_francia
double * Cdhc_shapiro_francia(double *x, int n)
Definition shapiro2.c:9
x
#define x
Cdhc_xinormal
double Cdhc_xinormal(double pee)
Definition xinormal.c:4