version 1.7, 2002/05/27 03:00:12 |
version 1.8, 2003/03/27 02:59:16 |
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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/engine/mat.c,v 1.6 2002/04/10 02:59:10 saito Exp $ |
* $OpenXM: OpenXM_contrib2/asir2000/engine/mat.c,v 1.7 2002/05/27 03:00:12 noro Exp $ |
*/ |
*/ |
#include "ca.h" |
#include "ca.h" |
#include "../parse/parse.h" |
#include "../parse/parse.h" |
Line 106 void mulmat(vl,a,b,c) |
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Line 106 void mulmat(vl,a,b,c) |
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VL vl; |
VL vl; |
Obj a,b,*c; |
Obj a,b,*c; |
{ |
{ |
if ( !a || !b ) |
VECT vect; |
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MAT mat; |
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if ( !a && !b ) |
*c = 0; |
*c = 0; |
else if ( OID(a) <= O_R ) |
else if ( !a || !b ) { |
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if ( !a ) |
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a = b; |
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switch ( OID(a) ) { |
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case O_VECT: |
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MKVECT(vect,((VECT)a)->len); |
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*c = (Obj)vect; |
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break; |
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case O_MAT: |
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MKMAT(mat,((MAT)a)->row,((MAT)a)->col); |
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*c = (Obj)mat; |
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break; |
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default: |
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*c = 0; |
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break; |
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} |
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} else if ( OID(a) <= O_R ) |
mulrmat(vl,(Obj)a,(MAT)b,(MAT *)c); |
mulrmat(vl,(Obj)a,(MAT)b,(MAT *)c); |
else if ( OID(b) <= O_R ) |
else if ( OID(b) <= O_R ) |
mulrmat(vl,(Obj)b,(MAT)a,(MAT *)c); |
mulrmat(vl,(Obj)b,(MAT)a,(MAT *)c); |
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Obj r; |
Obj r; |
MAT *c; |
MAT *c; |
{ |
{ |
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int n,i; |
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MAT t; |
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if ( !a ) |
if ( !a ) |
*c = 0; |
*c = 0; |
else if ( !r || !NUM(r) || !RATN(r) || |
else if ( !r ) { |
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if ( a->row != a->col ) { |
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*c = 0; error("pwrmat : non square matrix"); |
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} else { |
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n = a->row; |
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MKMAT(t,n,n); |
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for ( i = 0; i < n; i++ ) |
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t->body[i][i] = ONE; |
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*c = t; |
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} |
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} else if ( !NUM(r) || !RATN(r) || |
!INT(r) || (SGN((Q)r)<0) || (PL(NM((Q)r))>1) ) { |
!INT(r) || (SGN((Q)r)<0) || (PL(NM((Q)r))>1) ) { |
*c = 0; error("pwrmat : invalid exponent"); |
*c = 0; error("pwrmat : invalid exponent"); |
} else if ( a->row != a->col ) { |
} else if ( a->row != a->col ) { |