version 1.7, 2004/08/18 00:50:37 |
version 1.10, 2014/09/19 01:26:00 |
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* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
* DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE, |
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
* PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE. |
* |
* |
* $OpenXM: OpenXM_contrib2/asir2000/parse/puref.c,v 1.6 2004/03/11 09:52:56 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/parse/puref.c,v 1.9 2013/02/15 07:05:49 noro Exp $ |
*/ |
*/ |
#include "ca.h" |
#include "ca.h" |
#include "parse.h" |
#include "parse.h" |
Line 284 void derivr(VL vl,Obj a,V v,Obj *b) |
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Line 284 void derivr(VL vl,Obj a,V v,Obj *b) |
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} |
} |
} |
} |
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void simple_derivr(VL vl,Obj a,V v,Obj *b) |
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{ |
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Obj r,s,t,u,nm,dn; |
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if ( !a || NUM(a) ) |
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*b = 0; |
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else |
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switch ( OID(a) ) { |
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case O_P: |
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pderivr(vl,a,v,b); break; |
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case O_R: |
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nm = (Obj)NM((R)a); dn = (Obj)DN((R)a); |
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/* (nm/dn)' = nm'/dn - dn'/dn*nm/dn */ |
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pderivr(vl,nm,v,&s); divr(vl,s,dn,&u); reductr(vl,u,&t); |
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pderivr(vl,dn,v,&s); divr(vl,s,dn,&u); reductr(vl,u,&s); mulr(vl,s,a,&u); |
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subr(vl,t,u,&s); reductr(vl,s,b); |
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break; |
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default: |
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error("simple_derivr : invalid argument"); |
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} |
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} |
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int obj_is_dependent(Obj a,V v) |
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{ |
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if ( !a || OID(a) <= O_N ) return 0; |
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else if ( OID(a) == O_P ) return poly_is_dependent((P)a,v); |
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else if ( OID(a) == O_R ) return poly_is_dependent(NM((R)a),v) |
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|| poly_is_dependent(DN((R)a),v); |
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else |
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error("obj_is_dependent : not implemented"); |
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} |
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int poly_is_dependent(P p,V v) |
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{ |
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DCP dc; |
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if ( !p || OID(p) <= O_N ) return 0; |
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else if ( v == VR(p) ) return 1; |
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else { |
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for ( dc = DC(p); dc; dc = NEXT(dc) ) |
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if ( poly_is_dependent(COEF(dc),v) ) return 1; |
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return 0; |
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} |
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} |
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void gen_pwrr(VL vl,Obj a,Obj d,Obj *r) |
void gen_pwrr(VL vl,Obj a,Obj d,Obj *r) |
{ |
{ |
if ( INT(d) ) |
if ( INT(d) ) |
Line 605 void devalins(PFINS ins,Obj *rp) |
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Line 650 void devalins(PFINS ins,Obj *rp) |
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} |
} |
MKReal(d,r); *rp = (Obj)r; |
MKReal(d,r); *rp = (Obj)r; |
} |
} |
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} |
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extern int evalef; |
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void simplify_elemfunc_ins(PFINS ins,Obj *rp) |
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{ |
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V v; |
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P t; |
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if ( evalef ) |
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evalins(ins,0,rp); |
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else { |
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instov(ins,&v); MKV(v,t); *rp = (Obj)t; |
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} |
} |
} |
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void simplify_ins(PFINS ins,Obj *rp) |
void simplify_ins(PFINS ins,Obj *rp) |