Annotation of OpenXM_contrib2/asir2000/builtin/rat.c, Revision 1.2
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
! 26: * e-mail at risa-admin@flab.fujitsu.co.jp of the detailed specification
! 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: *
! 48: * $OpenXM: OpenXM_contrib2/asir2000/builtin/rat.c,v 1.1.1.1 1999/12/03 07:39:07 noro Exp $
! 49: */
1.1 noro 50: #include "ca.h"
51: #include "parse.h"
52:
53: void Pnm(), Pdn(), Pderiv();
54:
55: struct ftab rat_tab[] = {
56: {"nm",Pnm,1},
57: {"dn",Pdn,1},
58: {"diff",Pderiv,-99999999},
59: {0,0,0},
60: };
61:
62: void Pnm(arg,rp)
63: NODE arg;
64: Obj *rp;
65: {
66: Obj t;
67: Q q;
68:
69: asir_assert(ARG0(arg),O_R,"nm");
70: if ( !(t = (Obj)ARG0(arg)) )
71: *rp = 0;
72: else
73: switch ( OID(t) ) {
74: case O_N:
75: switch ( NID(t) ) {
76: case N_Q:
77: NTOQ(NM((Q)t),SGN((Q)t),q); *rp = (Obj)q; break;
78: default:
79: *rp = t; break;
80: }
81: break;
82: case O_P:
83: *rp = t; break;
84: case O_R:
85: *rp = (Obj)NM((R)t); break;
86: default:
87: *rp = 0;
88: }
89: }
90:
91: void Pdn(arg,rp)
92: NODE arg;
93: Obj *rp;
94: {
95: Obj t;
96: Q q;
97:
98: asir_assert(ARG0(arg),O_R,"dn");
99: if ( !(t = (Obj)ARG0(arg)) )
100: *rp = (Obj)ONE;
101: else
102: switch ( OID(t) ) {
103: case O_N:
104: switch ( NID(t) ) {
105: case N_Q:
106: if ( DN((Q)t) )
107: NTOQ(DN((Q)t),1,q);
108: else
109: q = ONE;
110: *rp = (Obj)q; break;
111: default:
112: *rp = (Obj)ONE; break;
113: }
114: break;
115: case O_P:
116: *rp = (Obj)ONE; break;
117: case O_R:
118: *rp = (Obj)DN((R)t); break;
119: default:
120: *rp = 0;
121: }
122: }
123:
124: void Pderiv(arg,rp)
125: NODE arg;
126: Obj *rp;
127: {
128: Obj a,t;
129: LIST l;
130: P v;
131: NODE n;
132:
133: if ( !arg ) {
134: *rp = 0; return;
135: }
136: asir_assert(ARG0(arg),O_R,"diff");
137: reductr(CO,(Obj)ARG0(arg),&a);
138: n = NEXT(arg);
139: if ( n && (l = (LIST)ARG0(n)) && OID(l) == O_LIST )
140: n = BDY(l);
141: for ( ; n; n = NEXT(n) ) {
142: if ( !(v = (P)BDY(n)) || OID(v) != O_P )
143: error("diff : invalid argument");
144: derivr(CO,a,VR(v),&t); a = t;
145: }
146: *rp = a;
147: }
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