Changeset 649 in Sophya for trunk/Poubelle/archediab.old/prog_compression_unsigned/test_compress.c
- Timestamp:
- Nov 25, 1999, 2:56:34 PM (26 years ago)
- File:
-
- 1 edited
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trunk/Poubelle/archediab.old/prog_compression_unsigned/test_compress.c
r641 r649 44 44 if(i>40) entree[i]+=500000.*exp(- 0.05*(i-40)); 45 45 // if(i>40) entree[i]+=200000.*exp(- 0.05*(i-40)); 46 //entree[i]/=16; // entre 0 et 50 000 soit 16 bits47 entree[i]*=2; // de 0 a 15 e6 soit 21 bits46 entree[i]/=16; // entre 0 et 50 000 soit 16 bits 47 // entree[i]*=2; // de 0 a 15 e6 soit 21 bits 48 48 } 49 49 … … 52 52 graph->couleur_trace=bleu; 53 53 style(1); 54 retrace(1); 54 55 56 alerte(1,""); 55 57 56 /* 57 printf("comprime : "); 58 printf("comprime 4.1 avec lg=%d : ",lg); 58 59 t=TickCount(); 59 60 for(i=0;i<1000;i++) compress_4_1((unsigned long*)entree,(unsigned long*)comp,lg,1); … … 61 62 y=0;for(i=0;i<lg;i++) {x=entree[i]-rec[i];y+=x*x;} y=sqrt(y/(double)lg); 62 63 printf("fin de comprime 4_1 : t=%d ecart total = %g \n\n",TickCount()-t,y); 63 */64 64 65 65 66 /* 66 67 printf("comprime : "); 67 68 t=TickCount(); … … 71 72 printf("fin de comprime 4_2 : t=%d ecart total = %g \n\n",TickCount()-t,y); 72 73 73 74 */ 74 75 /* 75 76 printf("comprime : ");
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