/*-------------------------------------------------------------------------
  Scientific Computation Research Center, RPI, Troy NY
  (C) Copyright 1995, RPI-SCOREC
 
  Project  : shapeFuntions
  Author(s): Saikat Dey
  Creation : Oct., 95
  Modifi.  : 
  Function :
             derivative of edge mode for simplex. maple generated code
-------------------------------------------------------------------------*/

#ifdef __cplusplus
extern "C" {
#endif

int EnDrv(int ip, double r, double s, double drv[2]) {
   double t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11,t12,t13,t14,t15,t16,t17,t18;
   double t19,t20,t21,t22,t23,t24,t25,t26,t27,t28,t29,t30,t31,t32,t33,t34,t35;

   /* p=2 */
   if( ip==0 ) {
      drv[0] = 0.0;
      drv[1] = 0.0;
   /* p=3 */
   } else if( ip==1 ) {
      drv[0] = -1.0;
      drv[1] = 1.0;
   /* p=4 */
   } else if( ip==2 ) {
      drv[0] = -3.0*s+2.0*r;
      drv[1] = 2.0*s-3.0*r;
   /* p=5 */
   } else if( ip==3 ) {
      t1 = s*s;
      t2 = r*s;
      t3 = r*r;
      drv[0] = -6.0*t1+12.0*t2-3.0*t3;
      drv[1] = 3.0*t1-12.0*t2+6.0*t3;
   /* p=6 */
   } else if( ip==4 ) {
      t1 = s*s;
      t2 = t1*s;
      t3 = r*t1;
      t4 = r*r;
      t5 = t4*s;
      t6 = t4*r;
      drv[0] = -10.0*t2+40.0*t3-30.0*t5+4.0*t6;
      drv[1] = 4.0*t2-30.0*t3+40.0*t5-10.0*t6;
   /* p=7 */
   } else if( ip==5 ) {
      t1 = s*s;
      t2 = t1*t1;
      t4 = r*t1*s;
      t5 = r*r;
      t6 = t5*t1;
      t8 = t5*r*s;
      t9 = t5*t5;
      drv[0] = -15.0*t2+100.0*t4-150.0*t6+60.0*t8-5.0*t9;
      drv[1] = 5.0*t2-60.0*t4+150.0*t6-100.0*t8+15.0*t9;
   /* p=8 */
   } else if( ip==6 ) {
      t1 = s*s;
      t2 = t1*t1;
      t3 = t2*s;
      t4 = r*t2;
      t5 = r*r;
      t7 = t5*t1*s;
      t9 = t5*r*t1;
      t10 = t5*t5;
      t11 = t10*s;
      t12 = t10*r;
      drv[0] = -21.0*t3+210.0*t4-525.0*t7+420.0*t9-105.0*t11+6.0*t12;
      drv[1] = 6.0*t3-105.0*t4+420.0*t7-525.0*t9+210.0*t11-21.0*t12;
   /* p=9 */
   } else if( ip==7 ) {
      t1 = s*s;
      t2 = t1*t1;
      t3 = t2*t1;
      t5 = r*t2*s;
      t6 = r*r;
      t7 = t6*t2;
      t10 = t6*r*t1*s;
      t11 = t6*t6;
      t12 = t11*t1;
      t14 = t11*r*s;
      t15 = t11*t6;
      drv[0] = -28.0*t3+392.0*t5-1470.0*t7+1960.0*t10-980.0*t12+168.0*t14-7.0*
t15;
      drv[1] = 7.0*t3-168.0*t5+980.0*t7-1960.0*t10+1470.0*t12-392.0*t14+28.0*
t15;
   /* p=10 */
   } else if( ip==8 ) {
      t1 = s*s;
      t2 = t1*s;
      t3 = t1*t1;
      t4 = t3*t2;
      t6 = r*t3*t1;
      t7 = r*r;
      t9 = t7*t3*s;
      t10 = t7*r;
      t11 = t10*t3;
      t12 = t7*t7;
      t13 = t12*t2;
      t15 = t12*r*t1;
      t17 = t12*t7*s;
      t18 = t12*t10;
      drv[0] = -36.0*t4+672.0*t6-3528.0*t9+7056.0*t11-5880.0*t13+2016.0*t15
-252.0*t17+8.0*t18;
      drv[1] = 8.0*t4-252.0*t6+2016.0*t9-5880.0*t11+7056.0*t13-3528.0*t15+672.0
*t17-36.0*t18;
   /* p=11 */
   } else if( ip==9 ) {
      t1 = s*s;
      t2 = t1*t1;
      t3 = t2*t2;
      t4 = t1*s;
      t6 = r*t2*t4;
      t7 = r*r;
      t9 = t7*t2*t1;
      t10 = t7*r;
      t12 = t10*t2*s;
      t13 = t7*t7;
      t14 = t13*t2;
      t16 = t13*r*t4;
      t18 = t13*t7*t1;
      t20 = t13*t10*s;
      t21 = t13*t13;
      drv[0] = -45.0*t3+1080.0*t6-7560.0*t9+21168.0*t12-26460.0*t14+15120.0*t16
-3780.0*t18+360.0*t20-9.0*t21;
      drv[1] = 9.0*t3-360.0*t6+3780.0*t9-15120.0*t12+26460.0*t14-21168.0*t16+
7560.0*t18-1080.0*t20+45.0*t21;
   /* p=12 */
   } else if( ip==10 ) {
      t1 = s*s;
      t2 = t1*t1;
      t3 = t2*t2;
      t4 = t3*s;
      t5 = r*t3;
      t6 = r*r;
      t7 = t1*s;
      t9 = t6*t2*t7;
      t10 = t6*r;
      t12 = t10*t2*t1;
      t13 = t6*t6;
      t15 = t13*t2*s;
      t17 = t13*r*t2;
      t19 = t13*t6*t7;
      t21 = t13*t10*t1;
      t22 = t13*t13;
      t23 = t22*s;
      t24 = t22*r;
      drv[0] = -55.0*t4+1650.0*t5-14850.0*t9+55440.0*t12-97020.0*t15+83160.0*
t17-34650.0*t19+6600.0*t21-495.0*t23+10.0*t24;
      drv[1] = 10.0*t4-495.0*t5+6600.0*t9-34650.0*t12+83160.0*t15-97020.0*t17+
55440.0*t19-14850.0*t21+1650.0*t23-55.0*t24;
   /* p=13 */
   } else if( ip==11 ) {
      t1 = s*s;
      t2 = t1*t1;
      t3 = t2*t2;
      t4 = t3*t1;
      t6 = r*t3*s;
      t7 = r*r;
      t8 = t7*t3;
      t9 = t7*r;
      t10 = t1*s;
      t12 = t9*t2*t10;
      t13 = t7*t7;
      t15 = t13*t2*t1;
      t18 = t13*r*t2*s;
      t20 = t13*t7*t2;
      t22 = t13*t9*t10;
      t23 = t13*t13;
      t24 = t23*t1;
      t26 = t23*r*s;
      t27 = t23*t7;
      t28 = -66.0*t4+2420.0*t6-27225.0*t8+130680.0*t12-304920.0*t15+365904.0*
t18-228690.0*t20+72600.0*t22-10890.0*t24+660.0*t26-11.0*t27;
      t29 = 11.0*t4-660.0*t6+10890.0*t8-72600.0*t12+228690.0*t15-365904.0*t18+
304920.0*t20-130680.0*t22+27225.0*t24-2420.0*t26+66.0*t27;
      drv[0] = t28;
      drv[1] = t29;
   /* p=14 */
   } else if( ip==12 ) {
      t1 = s*s;
      t2 = t1*s;
      t3 = t1*t1;
      t4 = t3*t3;
      t5 = t4*t2;
      t7 = r*t4*t1;
      t8 = r*r;
      t10 = t8*t4*s;
      t11 = t8*r;
      t12 = t11*t4;
      t13 = t8*t8;
      t15 = t13*t3*t2;
      t18 = t13*r*t3*t1;
      t21 = t13*t8*t3*s;
      t23 = t13*t11*t3;
      t24 = t13*t13;
      t25 = t24*t2;
      t27 = t24*r*t1;
      t29 = t24*t8*s;
      t30 = t24*t11;
      t31 = -78.0*t5+3432.0*t7-47190.0*t10+283140.0*t12-849420.0*t15+1359072.0*
t18-1189188.0*t21+566280.0*t23-141570.0*t25+17160.0*t27-858.0*t29+12.0*t30;
      t32 = 12.0*t5-858.0*t7+17160.0*t10-141570.0*t12+566280.0*t15-1189188.0*
t18+1359072.0*t21-849420.0*t23+283140.0*t25-47190.0*t27+3432.0*t29-78.0*t30;
      drv[0] = t31;
      drv[1] = t32;
   /* p=15 */
   } else if( ip==13 ) {
      t1 = s*s;
      t2 = t1*t1;
      t3 = t2*t2;
      t4 = t3*t2;
      t5 = t1*s;
      t7 = r*t3*t5;
      t8 = r*r;
      t10 = t8*t3*t1;
      t11 = t8*r;
      t13 = t11*t3*s;
      t14 = t8*t8;
      t15 = t14*t3;
      t18 = t14*r*t2*t5;
      t21 = t14*t8*t2*t1;
      t24 = t14*t11*t2*s;
      t25 = t14*t14;
      t26 = t25*t2;
      t28 = t25*r*t5;
      t30 = t25*t8*t1;
      t32 = t25*t11*s;
      t33 = t25*t14;
      t34 = -91.0*t4+4732.0*t7-78078.0*t10+572572.0*t13-2147145.0*t15+4416984.0
*t18-5153148.0*t21+3435432.0*t24-1288287.0*t26+260260.0*t28-26026.0*t30+1092.0*
t32-13.0*t33;
      t35 = 13.0*t4-1092.0*t7+26026.0*t10-260260.0*t13+1288287.0*t15-3435432.0*
t18+5153148.0*t21-4416984.0*t24+2147145.0*t26-572572.0*t28+78078.0*t30-4732.0*
t32+91.0*t33;
      drv[0] = t34;
      drv[1] = t35;
    } else
      return 0;
    return 1;
}
   
#ifdef __cplusplus
}
#endif