xpoly.c

来自「C标准库源代码」· C语言 代码 · 共 24 行

/* _Poly function */
#include "wctype.h"
#include "xmath.h"
_STD_BEGIN

_CRTIMP2 double _Poly(double x, const double *tab, int n)
	{	/* compute polynomial */
	double y;

	for (y = *tab; 0 <= --n; )
		y = y * x + *++tab;
	return (y);
	}
_STD_END

/*
 * Copyright (c) 1994 by P.J. Plauger.  ALL RIGHTS RESERVED. 
 * Consult your license regarding permissions and restrictions.
 */

/*
941029 pjp: added _STD machinery
 */