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Annotation of OpenXM/src/asir-port/cgi/r-fd.rr, Revision 1.7

1.7     ! takayama    1: /* $OpenXM: OpenXM/src/asir-port/cgi/r-fd.rr,v 1.6 2014/12/12 08:29:53 takayama Exp $ */
1.1       takayama    2: load("tk_fd.rr")$
1.2       takayama    3: import("tk_r.rr")$
1.3       takayama    4: import("oh_number.rr")$
                      5:
                      6: /* r_d2rat(0.3)  --> precision loss in truncation if not ctrl("bigfloat",1) */
                      7: ctrl("bigfloat",1)$
                      8: def r_d2rat(Y) {
                      9:   if ((type(Y) ==4)||(type(Y)==5)||(type(Y)==6)) return map(r_d2rat,Y);
                     10:   if ((type(Y)  == 1) && (ntype(Y) >= 1)) {
                     11:     S = rtostr(Y);  Y = "eval(("+S+")*exp(0));";
                     12:     /* print(Y); */
                     13:     Y = eval_str(Y);
1.4       takayama   14:     /* printf("Y=%a\n",Y); */
                     15:     /* return oh_number.rats(Y); */
                     16:     return rats2(Y);  /* temporary  */
1.3       takayama   17:   }else return Y;
                     18: }
1.1       takayama   19: def r_ahvec(A,B,C,Y) {
1.3       takayama   20:   Y = r_d2rat(Y);
1.7     ! takayama   21:   Ans=a_ahvec(A,B,C,Y);
        !            22:   /*  Fans=map(rtostr,map(tk_fd.tk_number_rattofloat,Ans)); */
        !            23:   Fans=map(deval,Ans);
        !            24:   Fans = tk_r.asir2r_c(Fans);
        !            25:   return Fans;
        !            26: }
        !            27:
        !            28: def a_ahvec(A,B,C,Y) {
1.5       takayama   29:   R=tk_fd.ahvec_abc(A,B,C,Y|all=1);
1.1       takayama   30:   Gamma=R[1];
                     31:   Der=R[0];
                     32:   Z=R[2]*Gamma;
                     33:   Der2 = newvect(length(Der));
                     34:   for (I=0; I<length(Der); I++) Der2[I] = Der[I]*Gamma;
                     35:   Der2 = vtol(Der2);
                     36:   Ans=cons(Z,Der2);
1.7     ! takayama   37:   return(Ans);
1.1       takayama   38: }
1.4       takayama   39:
                     40: /* temporary */
                     41: def rats2(X) {
                     42:   if (X == 0) return 0;
                     43:   Sign=1;
                     44:   if (X <0) {Sign=-1  ; X = -X;}
                     45:   Digit = number_floor(eval(log(X)/log(10)));
                     46:   Num = number_floor((X/(10^Digit))*10^20);
                     47:   return Sign*(Num/(10^20))*(10^Digit);
                     48: }
                     49:
                     50: def checkrats2() {
                     51:   for (I=0; I<10; I++) {
                     52:      Sign=(-1)^(random()%2);
                     53:      X = eval(exp(0)*(random()/random())*10^(Sign*(random()%300))); /* 308 */
                     54:      printf("X=%a\n",X);
                     55:      Y = rats2(X);
                     56:      printf("Y=%a\n",Y);
                     57:      if (number_abs(eval(Y*exp(0))/X-1) > 0.0000001) {
                     58:         printf("error: X = %a, Y=%a\n",X,Y);
                     59:      }
                     60:   }
                     61: }
1.6       takayama   62:
                     63: def a_expect(A,B,C,Y) {
                     64:   E=tk_fd.expectation_abc(A,B,C,Y);
                     65:   return(E);
                     66: }
                     67: def r_expect(A,B,C,Y) {
                     68:   Y = r_d2rat(Y);
                     69:   E=a_expect(A,B,C,Y);
                     70:   Fans=map(deval,E);
                     71:   Fans = tk_r.asir2r_c(Fans);
                     72:   return Fans;
                     73: }
                     74:
1.1       takayama   75: end$