147 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			147 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2003, 2007-14 Matteo Frigo
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|  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
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|  *
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|  * This program is free software; you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License as published by
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|  * the Free Software Foundation; either version 2 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program; if not, write to the Free Software
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|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
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|  *
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|  */
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| 
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| #include "ifftw-mpi.h"
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| 
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| dtensor *XM(mkdtensor)(int rnk) 
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| {
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|      dtensor *x;
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| 
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|      A(rnk >= 0);
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| 
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| #if defined(STRUCT_HACK_KR)
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|      if (FINITE_RNK(rnk) && rnk > 1)
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| 	  x = (dtensor *)MALLOC(sizeof(dtensor) + (rnk - 1) * sizeof(ddim),
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| 				    TENSORS);
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|      else
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| 	  x = (dtensor *)MALLOC(sizeof(dtensor), TENSORS);
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| #elif defined(STRUCT_HACK_C99)
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|      if (FINITE_RNK(rnk))
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| 	  x = (dtensor *)MALLOC(sizeof(dtensor) + rnk * sizeof(ddim),
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| 				    TENSORS);
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|      else
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| 	  x = (dtensor *)MALLOC(sizeof(dtensor), TENSORS);
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| #else
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|      x = (dtensor *)MALLOC(sizeof(dtensor), TENSORS);
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|      if (FINITE_RNK(rnk) && rnk > 0)
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|           x->dims = (ddim *)MALLOC(sizeof(ddim) * rnk, TENSORS);
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|      else
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|           x->dims = 0;
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| #endif
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| 
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|      x->rnk = rnk;
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|      return x;
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| }
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| 
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| void XM(dtensor_destroy)(dtensor *sz)
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| {
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| #if !defined(STRUCT_HACK_C99) && !defined(STRUCT_HACK_KR)
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|      X(ifree0)(sz->dims);
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| #endif
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|      X(ifree)(sz);
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| }
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| 
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| void XM(dtensor_md5)(md5 *p, const dtensor *t)
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| {
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|      int i;
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|      X(md5int)(p, t->rnk);
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|      if (FINITE_RNK(t->rnk)) {
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|           for (i = 0; i < t->rnk; ++i) {
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|                const ddim *q = t->dims + i;
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|                X(md5INT)(p, q->n);
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|                X(md5INT)(p, q->b[IB]);
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|                X(md5INT)(p, q->b[OB]);
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|           }
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|      }
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| }
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| 
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| dtensor *XM(dtensor_copy)(const dtensor *sz)
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| {
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|      dtensor *x = XM(mkdtensor)(sz->rnk);
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|      int i;
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|      if (FINITE_RNK(sz->rnk))
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|           for (i = 0; i < sz->rnk; ++i)
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|                x->dims[i] = sz->dims[i];
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|      return x;
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| }
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| 
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| dtensor *XM(dtensor_canonical)(const dtensor *sz, int compress)
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| {
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|      int i, rnk;
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|      dtensor *x;
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|      block_kind k;
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| 
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|      if (!FINITE_RNK(sz->rnk))
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| 	  return XM(mkdtensor)(sz->rnk);
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|      for (i = rnk = 0; i < sz->rnk; ++i) {
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| 	  if (sz->dims[i].n <= 0)
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| 	       return XM(mkdtensor)(RNK_MINFTY);
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| 	  else if (!compress || sz->dims[i].n > 1)
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| 	       ++rnk;
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|      }
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|      x = XM(mkdtensor)(rnk);
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|      for (i = rnk = 0; i < sz->rnk; ++i) {
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| 	  if (!compress || sz->dims[i].n > 1) {
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|                x->dims[rnk].n = sz->dims[i].n;
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| 	       FORALL_BLOCK_KIND(k) {
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| 		    if (XM(num_blocks)(sz->dims[i].n, sz->dims[i].b[k]) == 1)
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| 			 x->dims[rnk].b[k] = sz->dims[i].n;
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| 		    else
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| 			 x->dims[rnk].b[k] = sz->dims[i].b[k];
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| 	       }
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| 	       ++rnk;
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| 	  }
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|      }
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|      return x;
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| }
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| 
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| int XM(dtensor_validp)(const dtensor *sz)
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| {
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|      int i;
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|      if (sz->rnk < 0) return 0;
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|      if (FINITE_RNK(sz->rnk))
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| 	  for (i = 0; i < sz->rnk; ++i)
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| 	       if (sz->dims[i].n < 0
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| 		   || sz->dims[i].b[IB] <= 0
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| 		   || sz->dims[i].b[OB] <= 0)
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| 		    return 0;
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|      return 1;
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| }
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| 
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| void XM(dtensor_print)(const dtensor *t, printer *p)
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| {
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|      if (FINITE_RNK(t->rnk)) {
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|           int i;
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|           int first = 1;
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|           p->print(p, "(");
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|           for (i = 0; i < t->rnk; ++i) {
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|                const ddim *d = t->dims + i;
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|                p->print(p, "%s(%D %D %D)",
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|                         first ? "" : " ",
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|                         d->n, d->b[IB], d->b[OB]);
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|                first = 0;
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|           }
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|           p->print(p, ")");
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|      } else {
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|           p->print(p, "rank-minfty");
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|      }
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| 
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| }
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