From 7ce331c01ce6eb7b3f5c715a38a24359da9c6ee2 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Thu, 22 Nov 2001 14:04:29 +0000 Subject: Totally rework the math library, this time based on the MacOs X math library (which is itself based on the math lib from FreeBSD). -Erik --- libm/ldouble/btdtrl.c | 68 --------------------------------------------------- 1 file changed, 68 deletions(-) delete mode 100644 libm/ldouble/btdtrl.c (limited to 'libm/ldouble/btdtrl.c') diff --git a/libm/ldouble/btdtrl.c b/libm/ldouble/btdtrl.c deleted file mode 100644 index cbc4515da..000000000 --- a/libm/ldouble/btdtrl.c +++ /dev/null @@ -1,68 +0,0 @@ - -/* btdtrl.c - * - * Beta distribution - * - * - * - * SYNOPSIS: - * - * long double a, b, x, y, btdtrl(); - * - * y = btdtrl( a, b, x ); - * - * - * - * DESCRIPTION: - * - * Returns the area from zero to x under the beta density - * function: - * - * - * x - * - - - * | (a+b) | | a-1 b-1 - * P(x) = ---------- | t (1-t) dt - * - - | | - * | (a) | (b) - - * 0 - * - * - * The mean value of this distribution is a/(a+b). The variance - * is ab/[(a+b)^2 (a+b+1)]. - * - * This function is identical to the incomplete beta integral - * function, incbetl(a, b, x). - * - * The complemented function is - * - * 1 - P(1-x) = incbetl( b, a, x ); - * - * - * ACCURACY: - * - * See incbetl.c. - * - */ - -/* btdtrl() */ - - -/* -Cephes Math Library Release 2.0: April, 1987 -Copyright 1984, 1995 by Stephen L. Moshier -Direct inquiries to 30 Frost Street, Cambridge, MA 02140 -*/ -#include -#ifdef ANSIPROT -extern long double incbetl ( long double, long double, long double ); -#else -long double incbetl(); -#endif - -long double btdtrl( a, b, x ) -long double a, b, x; -{ - -return( incbetl( a, b, x ) ); -} -- cgit v1.2.3