Annotation of OpenXM_contrib2/asir2018/builtin/rat.c, Revision 1.1
1.1 ! 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@sec.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: * $OpenXM$
! 49: */
! 50: #include "ca.h"
! 51: #include "parse.h"
! 52:
! 53: void Pnm(), Pdn(), Pderiv(), Pederiv(), Prderiv();
! 54:
! 55: struct ftab rat_tab[] = {
! 56: {"nm",Pnm,1},
! 57: {"dn",Pdn,1},
! 58: {"diff",Pderiv,-99999999},
! 59: {"ediff",Pederiv,-99999999},
! 60: {"rdiff",Prderiv,-99999999},
! 61: {0,0,0},
! 62: };
! 63:
! 64: void Pnm(NODE arg,Obj *rp)
! 65: {
! 66: Obj t;
! 67:
! 68: asir_assert(ARG0(arg),O_R,"nm");
! 69: if ( !(t = (Obj)ARG0(arg)) )
! 70: *rp = 0;
! 71: else
! 72: switch ( OID(t) ) {
! 73: case O_N:
! 74: switch ( NID(t) ) {
! 75: case N_Q:
! 76: nmq((Q)t,(Z *)rp);
! 77: 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(NODE arg,Obj *rp)
! 92: {
! 93: Obj t;
! 94:
! 95: asir_assert(ARG0(arg),O_R,"dn");
! 96: if ( !(t = (Obj)ARG0(arg)) )
! 97: *rp = (Obj)ONE;
! 98: else
! 99: switch ( OID(t) ) {
! 100: case O_N:
! 101: switch ( NID(t) ) {
! 102: case N_Q:
! 103: dnq((Q)t,(Z *)rp);
! 104: break;
! 105: default:
! 106: *rp = (Obj)ONE; break;
! 107: }
! 108: break;
! 109: case O_P:
! 110: *rp = (Obj)ONE; break;
! 111: case O_R:
! 112: *rp = (Obj)DN((R)t); break;
! 113: default:
! 114: *rp = 0;
! 115: }
! 116: }
! 117:
! 118: void Pderiv(NODE arg,Obj *rp)
! 119: {
! 120: Obj a,t;
! 121: LIST l;
! 122: P v;
! 123: NODE n;
! 124:
! 125: if ( !arg ) {
! 126: *rp = 0; return;
! 127: }
! 128: asir_assert(ARG0(arg),O_R,"diff");
! 129: reductr(CO,(Obj)ARG0(arg),&a);
! 130: n = NEXT(arg);
! 131: if ( n && (l = (LIST)ARG0(n)) && OID(l) == O_LIST )
! 132: n = BDY(l);
! 133: for ( ; n; n = NEXT(n) ) {
! 134: if ( !(v = (P)BDY(n)) || OID(v) != O_P )
! 135: error("diff : invalid argument");
! 136: derivr(CO,a,VR(v),&t); a = t;
! 137: }
! 138: *rp = a;
! 139: }
! 140:
! 141: /* simple derivation with reduction */
! 142: void Prderiv(NODE arg,Obj *rp)
! 143: {
! 144: Obj a,t;
! 145: LIST l;
! 146: P v;
! 147: NODE n;
! 148:
! 149: if ( !arg ) {
! 150: *rp = 0; return;
! 151: }
! 152: asir_assert(ARG0(arg),O_R,"rdiff");
! 153: a = (Obj)ARG0(arg);
! 154: n = NEXT(arg);
! 155: if ( n && (l = (LIST)ARG0(n)) && OID(l) == O_LIST )
! 156: n = BDY(l);
! 157: for ( ; n; n = NEXT(n) ) {
! 158: if ( !(v = (P)BDY(n)) || OID(v) != O_P )
! 159: error("rdiff : invalid argument");
! 160: simple_derivr(CO,a,VR(v),&t); a = t;
! 161: }
! 162: *rp = a;
! 163: }
! 164:
! 165: /* Euler derivation */
! 166: void Pederiv(NODE arg,Obj *rp)
! 167: {
! 168: Obj a,t;
! 169: LIST l;
! 170: P v;
! 171: NODE n;
! 172:
! 173: if ( !arg ) {
! 174: *rp = 0; return;
! 175: }
! 176: asir_assert(ARG0(arg),O_P,"ediff");
! 177: reductr(CO,(Obj)ARG0(arg),&a);
! 178: n = NEXT(arg);
! 179: if ( n && (l = (LIST)ARG0(n)) && OID(l) == O_LIST )
! 180: n = BDY(l);
! 181: for ( ; n; n = NEXT(n) ) {
! 182: if ( !(v = (P)BDY(n)) || OID(v) != O_P )
! 183: error("diff : invalid argument");
! 184: ediffp(CO,(P)a,VR(v),(P *)&t); a = t;
! 185: }
! 186: *rp = a;
! 187: }
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