version 1.78, 2005/10/17 00:38:11 |
version 1.83, 2005/10/26 10:44:50 |
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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/builtin/strobj.c,v 1.77 2005/10/15 07:40:59 noro Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/builtin/strobj.c,v 1.82 2005/10/26 08:39:58 noro Exp $ |
*/ |
*/ |
#include "ca.h" |
#include "ca.h" |
#include "parse.h" |
#include "parse.h" |
Line 87 void Pflatten_quote(); |
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Line 87 void Pflatten_quote(); |
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void Pquote_is_integer(),Pquote_is_rational(),Pquote_is_number(); |
void Pquote_is_integer(),Pquote_is_rational(),Pquote_is_number(); |
void Pquote_is_dependent(),Pquote_is_function(); |
void Pquote_is_dependent(),Pquote_is_function(); |
void Pquote_normalize(); |
void Pquote_normalize(); |
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void Pquote_normalize_comp(); |
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void Pquote_to_funargs(),Pfunargs_to_quote(),Pget_function_name(); |
void Pquote_to_funargs(),Pfunargs_to_quote(),Pget_function_name(); |
void Pquote_unify(),Pget_quote_id(),Pquote_match_rewrite(); |
void Pquote_unify(),Pget_quote_id(),Pquote_match_rewrite(); |
Line 126 struct ftab str_tab[] = { |
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Line 127 struct ftab str_tab[] = { |
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{"quote_is_dependent",Pquote_is_dependent,2}, |
{"quote_is_dependent",Pquote_is_dependent,2}, |
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{"quote_normalize",Pquote_normalize,-2}, |
{"quote_normalize",Pquote_normalize,-2}, |
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{"quote_normalize_comp",Pquote_normalize_comp,2,0x3}, |
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{"quote_to_nary",Pquote_to_nary,1}, |
{"quote_to_nary",Pquote_to_nary,1}, |
{"quote_to_bin",Pquote_to_bin,2}, |
{"quote_to_bin",Pquote_to_bin,2}, |
Line 663 void Pquote_match_rewrite(NODE arg,Obj *rp) |
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Line 665 void Pquote_match_rewrite(NODE arg,Obj *rp) |
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NEXTNODE(s0,s); |
NEXTNODE(s0,s); |
pair = BDY((LIST)BDY(t)); |
pair = BDY((LIST)BDY(t)); |
ind = (int)FA0((FNODE)BDY((QUOTE)BDY(pair))); |
ind = (int)FA0((FNODE)BDY((QUOTE)BDY(pair))); |
value = mkfnode(1,I_FORMULA,BDY(NEXT(pair))); |
value = BDY((QUOTE)(BDY(NEXT(pair)))); |
BDY(s) = mknode(2,ind,value); |
BDY(s) = mknode(2,ind,value); |
} |
} |
if ( s0 ) NEXT(s) = 0; |
if ( s0 ) NEXT(s) = 0; |
switch ( ac = argc(arg) ) { |
switch ( ac = argc(arg) ) { |
case 3: |
case 3: |
h = rewrite_fnode(BDY((QUOTE)ARG2(arg)),s0); |
h = rewrite_fnode(BDY((QUOTE)ARG2(arg)),s0); |
*rp = eval(h); |
MKQUOTE(q,h); *rp = (Obj)q; |
break; |
break; |
case 4: |
case 4: |
c = rewrite_fnode(BDY((QUOTE)ARG2(arg)),s0); |
c = rewrite_fnode(BDY((QUOTE)ARG2(arg)),s0); |
if ( eval(c) ) { |
if ( eval(c) ) { |
h = rewrite_fnode(BDY((QUOTE)ARG3(arg)),s0); |
h = rewrite_fnode(BDY((QUOTE)ARG3(arg)),s0); |
*rp = eval(h); |
MKQUOTE(q,h); *rp = (Obj)q; |
} else |
} else |
*rp = VOIDobj; |
*rp = VOIDobj; |
break; |
break; |
Line 1947 void Pquote_normalize(NODE arg,QUOTE *rp) |
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Line 1949 void Pquote_normalize(NODE arg,QUOTE *rp) |
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} |
} |
} |
} |
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void Pquote_normalize_comp(NODE arg,Q *rp) |
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{ |
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FNODE f1,f2; |
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int r; |
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f1 = BDY((QUOTE)ARG0(arg)); |
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f2 = BDY((QUOTE)ARG1(arg)); |
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f1 = fnode_normalize(f1,0); |
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f2 = fnode_normalize(f2,0); |
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r = fnode_normalize_comp(f1,f2); |
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STOQ(r,*rp); |
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} |
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int fnode_is_number(FNODE f) |
int fnode_is_number(FNODE f) |
{ |
{ |
Obj obj; |
Obj obj; |
Line 2215 FNODE fnode_normalize_add(FNODE f1,FNODE f2,int expand |
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Line 2230 FNODE fnode_normalize_add(FNODE f1,FNODE f2,int expand |
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r0 = 0; |
r0 = 0; |
while ( n1 && n2 ) { |
while ( n1 && n2 ) { |
fnode_coef_body(BDY(n1),&c1,&b1); fnode_coef_body(BDY(n2),&c2,&b2); |
fnode_coef_body(BDY(n1),&c1,&b1); fnode_coef_body(BDY(n2),&c2,&b2); |
if ( (s = compfnode(b1,b2)) > 0 ) { |
if ( (s = fnode_normalize_comp(b1,b2)) > 0 ) { |
NEXTNODE(r0,r); BDY(r) = BDY(n1); n1 = NEXT(n1); |
NEXTNODE(r0,r); BDY(r) = BDY(n1); n1 = NEXT(n1); |
} else if ( s < 0 ) { |
} else if ( s < 0 ) { |
NEXTNODE(r0,r); BDY(r) = BDY(n2); n2 = NEXT(n2); |
NEXTNODE(r0,r); BDY(r) = BDY(n2); n2 = NEXT(n2); |
Line 2349 FNODE fnode_normalize_pwr(FNODE f1,FNODE f2,int expand |
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Line 2364 FNODE fnode_normalize_pwr(FNODE f1,FNODE f2,int expand |
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return b; |
return b; |
else |
else |
return fnode_node_to_narymul(mknode(2,cc,b)); |
return fnode_node_to_narymul(mknode(2,cc,b)); |
} else if ( expand && fnode_is_nonnegative_integer(f2) ) { |
} else if ( expand && fnode_is_integer(f2) |
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&& fnode_is_nonnegative_integer(f2) ) { |
q = (Q)eval(f2); |
q = (Q)eval(f2); |
if ( PL(NM(q)) > 1 ) error("fnode_normalize_pwr : exponent too large"); |
if ( PL(NM(q)) > 1 ) error("fnode_normalize_pwr : exponent too large"); |
return fnode_expand_pwr(f1,QTOS(q)); |
return fnode_expand_pwr(f1,QTOS(q)); |
Line 2460 void fnode_coef_body(FNODE f,Num *cp,FNODE *bp) |
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Line 2476 void fnode_coef_body(FNODE f,Num *cp,FNODE *bp) |
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} else { |
} else { |
*cp = (Num)ONE; *bp = f; |
*cp = (Num)ONE; *bp = f; |
} |
} |
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} |
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int fnode_normalize_comp_pwr(FNODE f1,FNODE f2); |
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int fnode_normalize_comp(FNODE f1,FNODE f2) |
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{ |
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NODE n1,n2; |
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int r,i1,i2; |
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char *nm1,*nm2; |
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FNODE b1,b2,e1,e2,g; |
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Num ee,ee1,c1,c2; |
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if ( IS_ZERO(f1) ) |
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if ( IS_ZERO(f2) ) return 0; |
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else return -1; |
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else if ( IS_ZERO(f2) ) return 1; |
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if ( IS_NARYADD(f1) || IS_NARYADD(f2) ) { |
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f1 = to_naryadd(f1); f2 = to_naryadd(f2); |
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n1 = (NODE)FA1(f1); n2 = (NODE)FA1(f2); |
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while ( n1 && n2 ) |
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if ( r = fnode_normalize_comp(BDY(n1),BDY(n2)) ) return r; |
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else { |
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n1 = NEXT(n1); n2 = NEXT(n2); |
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} |
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if ( n1 ) return 1; |
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else if ( n2 ) return -1; |
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else return 0; |
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} |
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if ( IS_NARYMUL(f1) || IS_NARYMUL(f2) ) { |
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fnode_coef_body(f1,&c1,&b1); |
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fnode_coef_body(f2,&c2,&b2); |
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if ( !compfnode(b1,b2) ) return compnum(0,c1,c2); |
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b1 = to_narymul(b1); b2 = to_narymul(b2); |
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n1 = (NODE)FA1(b1); n2 = (NODE)FA1(b2); |
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while ( 1 ) { |
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while ( n1 && n2 && !compfnode(BDY(n1),BDY(n2)) ) { |
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n1 = NEXT(n1); n2 = NEXT(n2); |
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} |
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if ( !n1 || !n2 ) { |
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if ( n1 ) return 1; |
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else if ( n2 ) return -1; |
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else return 0; |
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} |
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fnode_base_exp(BDY(n1),&b1,&e1); |
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fnode_base_exp(BDY(n2),&b2,&e2); |
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if ( r = fnode_normalize_comp(b1,b2) ) { |
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if ( r > 0 ) |
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return fnode_normalize_comp(e1,mkfnode(1,I_FORMULA,0)); |
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else if ( r < 0 ) |
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return fnode_normalize_comp(mkfnode(1,I_FORMULA,0),e2); |
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} else { |
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n1 = NEXT(n1); n2 = NEXT(n2); |
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if ( fnode_is_number(e1) && fnode_is_number(e2) ) { |
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/* f1 = t b^e1 ... , f2 = t b^e2 ... */ |
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subnum(0,eval(e1),eval(e2),&ee); |
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r = compnum(0,ee,0); |
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if ( r > 0 ) { |
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/* e1>e2 */ |
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g = mkfnode(3,I_BOP,pwrfs,b1,mkfnode(1,I_FORMULA,ee)); |
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MKNODE(n1,g,n1); |
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} else if ( r < 0 ) { |
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/* e1<e2 */ |
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chsgnnum(ee,&ee1); ee = ee1; |
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g = mkfnode(3,I_BOP,pwrfs,b1,mkfnode(1,I_FORMULA,ee)); |
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MKNODE(n2,g,n2); |
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} |
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} else { |
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r = fnode_normalize_comp(e1,e2); |
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if ( r > 0 ) return 1; |
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else if ( r < 0 ) return -1; |
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} |
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} |
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} |
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} |
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if ( IS_BINARYPWR(f1) || IS_BINARYPWR(f2) ) |
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return fnode_normalize_comp_pwr(f1,f2); |
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/* now, IDs of f1 and f2 must be I_FORMULA, I_FUNC, or I_PVAR */ |
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switch ( f1->id ) { |
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case I_FORMULA: |
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switch ( f2->id ) { |
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case I_FORMULA: |
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return arf_comp(CO,FA0(f1),FA0(f2)); |
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case I_FUNC: case I_PVAR: |
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return -1; |
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default: |
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error("fnode_normalize_comp : undefined"); |
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} |
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break; |
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case I_FUNC: |
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switch ( f2->id ) { |
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case I_FORMULA: |
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return 1; |
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case I_FUNC: |
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nm1 = ((FUNC)FA0(f1))->name; nm2 = ((FUNC)FA0(f2))->name; |
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r = strcmp(nm1,nm2); |
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if ( r > 0 ) return 1; |
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else if ( r < 0 ) return -1; |
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else { |
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/* compare args */ |
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n1 = FA0((FNODE)FA1(f1)); n2 = FA0((FNODE)FA1(f2)); |
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while ( n1 && n2 ) |
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if ( r = fnode_normalize_comp(BDY(n1),BDY(n2)) ) return r; |
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else { |
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n1 = NEXT(n1); n2 = NEXT(n2); |
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} |
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if ( n1 ) return 1; |
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else if ( n2 ) return -1; |
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else return 0; |
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} |
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break; |
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case I_PVAR: |
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return -1; |
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default: |
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error("fnode_normalize_comp : undefined"); |
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} |
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case I_PVAR: |
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switch ( f2->id ) { |
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case I_FORMULA: case I_FUNC: |
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return 1; |
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case I_PVAR: |
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i1 = (int)FA0(f1); i2 = (int)FA0(f2); |
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if ( i1 > i2 ) return 1; |
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else if ( i1 < i2 ) return -1; |
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else return 0; |
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default: |
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error("fnode_normalize_comp : undefined"); |
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} |
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break; |
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default: |
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error("fnode_normalize_comp : undefined"); |
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} |
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} |
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int fnode_normalize_comp_pwr(FNODE f1,FNODE f2) |
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{ |
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FNODE b1,b2,e1,e2; |
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int r; |
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fnode_base_exp(f1,&b1,&e1); |
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fnode_base_exp(f2,&b2,&e2); |
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if ( r = fnode_normalize_comp(b1,b2) ) { |
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if ( r > 0 ) |
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return fnode_normalize_comp(e1,mkfnode(1,I_FORMULA,0)); |
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else if ( r < 0 ) |
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return fnode_normalize_comp(mkfnode(1,I_FORMULA,0),e2); |
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} else return fnode_normalize_comp(e1,e2); |
} |
} |