diff options
author | Eric Andersen <andersen@codepoet.org> | 2001-11-22 14:04:29 +0000 |
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committer | Eric Andersen <andersen@codepoet.org> | 2001-11-22 14:04:29 +0000 |
commit | 7ce331c01ce6eb7b3f5c715a38a24359da9c6ee2 (patch) | |
tree | 3a7e8476e868ae15f4da1b7ce26b2db6f434468c /libm/ldouble/btdtrl.c | |
parent | c117dd5fb183afb1a4790a6f6110d88704be6bf8 (diff) |
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
Diffstat (limited to 'libm/ldouble/btdtrl.c')
-rw-r--r-- | libm/ldouble/btdtrl.c | 68 |
1 files changed, 0 insertions, 68 deletions
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 <math.h> -#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 ) ); -} |