Annotation of OpenXM_contrib2/asir2000/builtin/rat.c, Revision 1.4
1.2 noro 1: /*
2: * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED
3: * All rights reserved.
4: *
5: * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
6: * non-exclusive and royalty-free license to use, copy, modify and
7: * redistribute, solely for non-commercial and non-profit purposes, the
8: * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
9: * conditions of this Agreement. For the avoidance of doubt, you acquire
10: * only a limited right to use the SOFTWARE hereunder, and FLL or any
11: * third party developer retains all rights, including but not limited to
12: * copyrights, in and to the SOFTWARE.
13: *
14: * (1) FLL does not grant you a license in any way for commercial
15: * purposes. You may use the SOFTWARE only for non-commercial and
16: * non-profit purposes only, such as academic, research and internal
17: * business use.
18: * (2) The SOFTWARE is protected by the Copyright Law of Japan and
19: * international copyright treaties. If you make copies of the SOFTWARE,
20: * with or without modification, as permitted hereunder, you shall affix
21: * to all such copies of the SOFTWARE the above copyright notice.
22: * (3) An explicit reference to this SOFTWARE and its copyright owner
23: * shall be made on your publication or presentation in any form of the
24: * results obtained by use of the SOFTWARE.
25: * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
1.3 noro 26: * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
1.2 noro 27: * for such modification or the source code of the modified part of the
28: * SOFTWARE.
29: *
30: * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
31: * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
32: * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
33: * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
34: * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
35: * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
36: * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
37: * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
38: * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
39: * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
40: * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
41: * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
42: * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
43: * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
44: * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
45: * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
46: * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
47: *
1.4 ! ohara 48: * $OpenXM: OpenXM_contrib2/asir2000/builtin/rat.c,v 1.3 2000/08/22 05:03:59 noro Exp $
1.2 noro 49: */
1.1 noro 50: #include "ca.h"
51: #include "parse.h"
52:
1.4 ! ohara 53: void Pnm(), Pdn(), Pderiv(), Pederiv();
1.1 noro 54:
55: struct ftab rat_tab[] = {
56: {"nm",Pnm,1},
57: {"dn",Pdn,1},
58: {"diff",Pderiv,-99999999},
1.4 ! ohara 59: {"ediff",Pederiv,-99999999},
1.1 noro 60: {0,0,0},
61: };
62:
63: void Pnm(arg,rp)
64: NODE arg;
65: Obj *rp;
66: {
67: Obj t;
68: Q q;
69:
70: asir_assert(ARG0(arg),O_R,"nm");
71: if ( !(t = (Obj)ARG0(arg)) )
72: *rp = 0;
73: else
74: switch ( OID(t) ) {
75: case O_N:
76: switch ( NID(t) ) {
77: case N_Q:
78: NTOQ(NM((Q)t),SGN((Q)t),q); *rp = (Obj)q; break;
79: default:
80: *rp = t; break;
81: }
82: break;
83: case O_P:
84: *rp = t; break;
85: case O_R:
86: *rp = (Obj)NM((R)t); break;
87: default:
88: *rp = 0;
89: }
90: }
91:
92: void Pdn(arg,rp)
93: NODE arg;
94: Obj *rp;
95: {
96: Obj t;
97: Q q;
98:
99: asir_assert(ARG0(arg),O_R,"dn");
100: if ( !(t = (Obj)ARG0(arg)) )
101: *rp = (Obj)ONE;
102: else
103: switch ( OID(t) ) {
104: case O_N:
105: switch ( NID(t) ) {
106: case N_Q:
107: if ( DN((Q)t) )
108: NTOQ(DN((Q)t),1,q);
109: else
110: q = ONE;
111: *rp = (Obj)q; break;
112: default:
113: *rp = (Obj)ONE; break;
114: }
115: break;
116: case O_P:
117: *rp = (Obj)ONE; break;
118: case O_R:
119: *rp = (Obj)DN((R)t); break;
120: default:
121: *rp = 0;
122: }
123: }
124:
125: void Pderiv(arg,rp)
126: NODE arg;
127: Obj *rp;
128: {
129: Obj a,t;
130: LIST l;
131: P v;
132: NODE n;
133:
134: if ( !arg ) {
135: *rp = 0; return;
136: }
137: asir_assert(ARG0(arg),O_R,"diff");
138: reductr(CO,(Obj)ARG0(arg),&a);
139: n = NEXT(arg);
140: if ( n && (l = (LIST)ARG0(n)) && OID(l) == O_LIST )
141: n = BDY(l);
142: for ( ; n; n = NEXT(n) ) {
143: if ( !(v = (P)BDY(n)) || OID(v) != O_P )
144: error("diff : invalid argument");
145: derivr(CO,a,VR(v),&t); a = t;
1.4 ! ohara 146: }
! 147: *rp = a;
! 148: }
! 149:
! 150: /* Euler derivation */
! 151: void Pederiv(arg,rp)
! 152: NODE arg;
! 153: Obj *rp;
! 154: {
! 155: Obj a,t;
! 156: LIST l;
! 157: P v;
! 158: NODE n;
! 159:
! 160: if ( !arg ) {
! 161: *rp = 0; return;
! 162: }
! 163: asir_assert(ARG0(arg),O_P,"ediff");
! 164: reductr(CO,(Obj)ARG0(arg),&a);
! 165: n = NEXT(arg);
! 166: if ( n && (l = (LIST)ARG0(n)) && OID(l) == O_LIST )
! 167: n = BDY(l);
! 168: for ( ; n; n = NEXT(n) ) {
! 169: if ( !(v = (P)BDY(n)) || OID(v) != O_P )
! 170: error("diff : invalid argument");
! 171: ediffp(CO,a,VR(v),&t); a = t;
1.1 noro 172: }
173: *rp = a;
174: }
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