/* This file is part of the GNU plotutils package. */

/* Copyright (C) 1982-1994, Nicholas B. Tufillaro.  All rights reserved.
 *
 * GNU enhancements Copyright (C) 1996, 1997 Free Software Foundation, Inc.
 */

/*
 * Constants used in adaptive-step-size numerical routines.
 */

#define ECONST  .07037037037037037037   /* 19/270       */
#define A0      .11574074074074074074   /* 25/216       */
#define A2      .54892787524366471734   /* 1408/2565    */
#define A3      .53533138401559454191   /* 2197/4104    */
#define A4      -.20000000000000000000  /* -1/5         */
#define B0      .11851851851851851851   /* 16/135       */
#define B2      .51898635477582846003   /* 6656/12825   */
#define B3      .50613149034201665780   /* 28561/56430  */
#define B4      -.18000000000000000000  /* -9/50        */
#define B5      .03636363636363636363   /* 2/55         */
#define C2t     .25                     /* 1/4          */
#define C20     .25                     /* 1/4          */
#define C3t     .37500000000000000000   /* 3/8          */
#define C30     .09375000000000000000   /* 3/32         */
#define C31     .28125000000000000000   /* 9/32         */
#define C4t     .92307692307692307692   /* 12/13        */
#define C40     .87938097405553026854   /* 1932/2197    */
#define C41     -3.27719617660446062812 /* -7200/2197   */
#define C42     3.32089212562585343650  /* 7296/2197    */
#define C50     2.03240740740740740740  /* 439/216      */
#define C51     -8.0                    /* -8           */
#define C52     7.17348927875243664717  /* 3680/513     */
#define C53     -.20589668615984405458  /* -845/4104    */
#define C6t     0.5                     /* 1/2          */
#define C60     -.29629629629629629629  /* -8/27        */
#define C61     2.0                     /* 2            */
#define C62     -1.38167641325536062378 /* -3544/2565   */
#define C63     .45297270955165692007   /* 1859/4104    */
#define C64     -.27500000000000000000  /* -11/40       */