inverfc_acklam.h

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#ifndef _INVERFC_ACKLAM_H_
#define _INVERFC_ACKLAM_H_

#include <math.h>
#include "erfc_cody.h"

#ifndef M_SQRT2

#define M_SQRT2     1.41421356237309504880168872420969808
#endif
#ifndef M_SQRT2PI

#define M_SQRT2PI   2.50662827463100050241576528481104525
#endif

double inverfc_acklam(double x);

#define inverfc(x)  inverfc_acklam(x)

#endif /* _INVERFC_ACKLAM_H_ */