Annotation of OpenXM_contrib2/asir2000/builtin/rat.c, Revision 1.6
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: *
1.6 ! noro 48: * $OpenXM: OpenXM_contrib2/asir2000/builtin/rat.c,v 1.5 2013/02/15 07:05:49 noro Exp $
1.2 noro 49: */
1.1 noro 50: #include "ca.h"
51: #include "parse.h"
52:
1.5 noro 53: void Pnm(), Pdn(), Pderiv(), Pederiv(), Prderiv();
1.1 noro 54:
55: struct ftab rat_tab[] = {
1.6 ! noro 56: {"nm",Pnm,1},
! 57: {"dn",Pdn,1},
! 58: {"diff",Pderiv,-99999999},
! 59: {"ediff",Pederiv,-99999999},
! 60: {"rdiff",Prderiv,-99999999},
! 61: {0,0,0},
1.1 noro 62: };
63:
64: void Pnm(arg,rp)
65: NODE arg;
66: Obj *rp;
67: {
1.6 ! noro 68: Obj t;
! 69: Q q;
1.1 noro 70:
1.6 ! noro 71: asir_assert(ARG0(arg),O_R,"nm");
! 72: if ( !(t = (Obj)ARG0(arg)) )
! 73: *rp = 0;
! 74: else
! 75: switch ( OID(t) ) {
! 76: case O_N:
! 77: switch ( NID(t) ) {
! 78: case N_Q:
! 79: NTOQ(NM((Q)t),SGN((Q)t),q); *rp = (Obj)q; break;
! 80: default:
! 81: *rp = t; break;
! 82: }
! 83: break;
! 84: case O_P:
! 85: *rp = t; break;
! 86: case O_R:
! 87: *rp = (Obj)NM((R)t); break;
! 88: default:
! 89: *rp = 0;
! 90: }
1.1 noro 91: }
92:
93: void Pdn(arg,rp)
94: NODE arg;
95: Obj *rp;
96: {
1.6 ! noro 97: Obj t;
! 98: Q q;
1.1 noro 99:
1.6 ! noro 100: asir_assert(ARG0(arg),O_R,"dn");
! 101: if ( !(t = (Obj)ARG0(arg)) )
! 102: *rp = (Obj)ONE;
! 103: else
! 104: switch ( OID(t) ) {
! 105: case O_N:
! 106: switch ( NID(t) ) {
! 107: case N_Q:
! 108: if ( DN((Q)t) )
! 109: NTOQ(DN((Q)t),1,q);
! 110: else
! 111: q = ONE;
! 112: *rp = (Obj)q; break;
! 113: default:
! 114: *rp = (Obj)ONE; break;
! 115: }
! 116: break;
! 117: case O_P:
! 118: *rp = (Obj)ONE; break;
! 119: case O_R:
! 120: *rp = (Obj)DN((R)t); break;
! 121: default:
! 122: *rp = 0;
! 123: }
1.1 noro 124: }
125:
126: void Pderiv(arg,rp)
127: NODE arg;
128: Obj *rp;
129: {
1.6 ! noro 130: Obj a,t;
! 131: LIST l;
! 132: P v;
! 133: NODE n;
! 134:
! 135: if ( !arg ) {
! 136: *rp = 0; return;
! 137: }
! 138: asir_assert(ARG0(arg),O_R,"diff");
! 139: reductr(CO,(Obj)ARG0(arg),&a);
! 140: n = NEXT(arg);
! 141: if ( n && (l = (LIST)ARG0(n)) && OID(l) == O_LIST )
! 142: n = BDY(l);
! 143: for ( ; n; n = NEXT(n) ) {
! 144: if ( !(v = (P)BDY(n)) || OID(v) != O_P )
! 145: error("diff : invalid argument");
! 146: derivr(CO,a,VR(v),&t); a = t;
! 147: }
! 148: *rp = a;
1.4 ohara 149: }
150:
1.5 noro 151: /* simple derivation with reduction */
152: void Prderiv(arg,rp)
153: NODE arg;
154: Obj *rp;
155: {
1.6 ! noro 156: Obj a,t;
! 157: LIST l;
! 158: P v;
! 159: NODE n;
! 160:
! 161: if ( !arg ) {
! 162: *rp = 0; return;
! 163: }
! 164: asir_assert(ARG0(arg),O_R,"rdiff");
! 165: a = (Obj)ARG0(arg);
! 166: n = NEXT(arg);
! 167: if ( n && (l = (LIST)ARG0(n)) && OID(l) == O_LIST )
! 168: n = BDY(l);
! 169: for ( ; n; n = NEXT(n) ) {
! 170: if ( !(v = (P)BDY(n)) || OID(v) != O_P )
! 171: error("rdiff : invalid argument");
! 172: simple_derivr(CO,a,VR(v),&t); a = t;
! 173: }
! 174: *rp = a;
1.5 noro 175: }
176:
1.4 ohara 177: /* Euler derivation */
178: void Pederiv(arg,rp)
179: NODE arg;
180: Obj *rp;
181: {
1.6 ! noro 182: Obj a,t;
! 183: LIST l;
! 184: P v;
! 185: NODE n;
! 186:
! 187: if ( !arg ) {
! 188: *rp = 0; return;
! 189: }
! 190: asir_assert(ARG0(arg),O_P,"ediff");
! 191: reductr(CO,(Obj)ARG0(arg),&a);
! 192: n = NEXT(arg);
! 193: if ( n && (l = (LIST)ARG0(n)) && OID(l) == O_LIST )
! 194: n = BDY(l);
! 195: for ( ; n; n = NEXT(n) ) {
! 196: if ( !(v = (P)BDY(n)) || OID(v) != O_P )
! 197: error("diff : invalid argument");
! 198: ediffp(CO,a,VR(v),&t); a = t;
! 199: }
! 200: *rp = a;
1.1 noro 201: }
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