Révision 231 TrouNoir/trou_noir.c
| trou_noir.c (revision 231) | ||
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Compilation sous gcc ( Compilateur GNU sous Linux ) : |
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Version FP32 : gcc -O3 -ffast-math -FP32 -o trou_noir_FP32 trou_noir.c -lm |
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Version FP64 : gcc -O3 -ffast-math -FP64 -o trou_noir_FP64 trou_noir.c -lm |
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Version FP32 : gcc -O3 -ffast-math -DFP32 -o trou_noir_FP32 trou_noir.c -lm
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Version FP64 : gcc -O3 -ffast-math -DFP64 -o trou_noir_FP64 trou_noir.c -lm
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*/ |
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#include <stdio.h> |
| ... | ... | |
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#define TRACKPOINTS 2048 |
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#if TYPE == FP32 |
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#if TYPE == FP64 |
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#define MYFLOAT double |
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#else |
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#define MYFLOAT float |
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#else |
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#define MYFLOAT double |
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#endif |
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MYFLOAT atanp(MYFLOAT x,MYFLOAT y) |
| ... | ... | |
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int ni,ii,i,imx,j,n,tst,raie,fcl,zcl; |
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MYFLOAT nh; |
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struct timeval tv1,tv2; |
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double elapsed;
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MYFLOAT elapsed,cputime,epoch;
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int mtv1,mtv2; |
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unsigned int epoch1,epoch2; |
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if (argc==2) |
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{
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| ... | ... | |
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// Set start timer |
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gettimeofday(&tv1, NULL); |
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// |
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mtv1=clock()*1000/CLOCKS_PER_SEC; |
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epoch1=time(NULL); |
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for (n=1;n<=nmx;n++) |
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{
|
| ... | ... | |
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// Set stop timer |
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gettimeofday(&tv2, NULL); |
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mtv2=clock()*1000/CLOCKS_PER_SEC; |
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epoch2=time(NULL); |
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elapsed=(MYFLOAT)((tv2.tv_sec-tv1.tv_sec) * 1000000L + |
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(tv2.tv_usec-tv1.tv_usec))/1000000; |
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cputime=(MYFLOAT)((mtv2-mtv1)/1000.); |
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epoch=(MYFLOAT)(epoch2-epoch1); |
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// elapsed=(double)((tv2.tv_sec-tv1.tv_sec) * 1000000L + |
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// (tv2.tv_usec-tv1.tv_usec))/1000000; |
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elapsed=(double)((mtv2-mtv1)/1000.); |
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fmx=fp[0][0]; |
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zmx=zp[0][0]; |
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|
| ... | ... | |
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} |
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printf("\nElapsed Time : %lf",(double)elapsed);
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printf("\nCPU Time : %lf",(double)cputime);
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printf("\nEpoch Time : %lf",(double)epoch);
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printf("\nZ max @(%i,%i) : %f",zimx,zjmx,zmx);
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printf("\nFlux max @(%i,%i) : %f\n\n",fimx,fjmx,fmx);
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for (i=0;i<dim;i++) for (j=0;j<dim;j++) |
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{
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zcl=(int)(255/zmx*zp[i][dim-1-j]); |
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fcl=(int)(255/fmx*fp[i][dim-1-j]); |
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if (strcmp(argv[6],"NEGATIVE")==0) |
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// If input parameters set without output files precised |
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if (argc!=7) {
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for (int i=0;i<dim;i++) |
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for (int j=0;j<dim;j++) |
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{
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if (zcl>255) |
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{
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izp[i][j]=0; |
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} |
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else |
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{
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izp[i][j]=255-zcl; |
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} |
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zcl=(int)(255/zmx*zp[i][dim-1-j]); |
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fcl=(int)(255/fmx*fp[i][dim-1-j]); |
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if (fcl>255)
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if (strcmp(argv[6],"NEGATIVE")==0)
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{
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ifp[i][j]=0; |
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if (zcl>255) |
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{
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izp[i][j]=0; |
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} |
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else |
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{
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izp[i][j]=255-zcl; |
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} |
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if (fcl>255) |
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{
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ifp[i][j]=0; |
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} |
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else |
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{
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ifp[i][j]=255-fcl; |
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} |
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} |
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else |
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{
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ifp[i][j]=255-fcl; |
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} |
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} |
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else |
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{
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if (zcl>255) |
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{
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izp[i][j]=255; |
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if (zcl>255) |
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{
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izp[i][j]=255; |
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} |
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else |
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{
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izp[i][j]=zcl; |
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} |
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if (fcl>255) |
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{
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ifp[i][j]=255; |
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} |
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else |
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{
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ifp[i][j]=fcl; |
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} |
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} |
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else |
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{
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izp[i][j]=zcl; |
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} |
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if (fcl>255) |
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{
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ifp[i][j]=255; |
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} |
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else |
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{
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ifp[i][j]=fcl; |
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} |
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} |
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} |
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if (argc==9) |
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{
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sauvegarde_pgm(argv[7],ifp,dim); |
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sauvegarde_pgm(argv[8],izp,dim); |
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} |
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if (argc==9) |
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{
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sauvegarde_pgm(argv[7],ifp,dim); |
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sauvegarde_pgm(argv[8],izp,dim); |
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} |
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else |
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{
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sauvegarde_pgm("z.pgm",izp,dim);
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sauvegarde_pgm("flux.pgm",ifp,dim);
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} |
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} |
|
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else |
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{
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sauvegarde_pgm("z.pgm",izp,dim);
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sauvegarde_pgm("flux.pgm",ifp,dim);
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printf("No output file precised, useful for benchmarks...\n\n");
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} |
| 507 |
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|
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free(zp[0]); |
| 509 | 522 |
free(zp); |
| 510 | 523 |
free(fp[0]); |
Formats disponibles : Unified diff