URL
https://opencores.org/ocsvn/raytrac/raytrac/trunk
Subversion Repositories raytrac
Compare Revisions
- This comparison shows the changes necessary to convert path
/
- from Rev 60 to Rev 61
- ↔ Reverse comparison
Rev 60 → Rev 61
/raytrac/trunk/memMaker.c
30,8 → 30,9
int dec; |
char *initialheader; |
char *end; |
int R; |
|
}memparam={0,0,0,australia,canada}; |
}memparam={0,0,0,australia,canada,0}; |
|
//mpx memparam={0,0,australia}; |
|
38,12 → 39,18
void optParser(int argc, char ** argv){ |
|
char a=0; |
int e=0,d=0,t=0; |
int e=0,d=0,t=0,s=0,i=0; |
/*memparam.initialheader=australia; |
memparam.width=0; |
memparam.depth=0;*/ |
while ((a=getopt(argc,argv,"t:e:d:"))!=-1){ |
while ((a=getopt(argc,argv,"t:e:d:Rr"))!=-1){ |
switch(a){ |
case 'R': //Raiz Cuadrada |
memparam.R=1; |
break; |
case 'r': //random |
memparam.R=2; |
break; |
case 't': |
if (t){ |
fprintf (stdout, "error:Doble parametro t...\n"); |
89,19 → 96,45
int hexreq(long int x){ |
return ((int)(log2(x)/4))+1; |
} |
int f0inv(float x){ |
int I; |
float fI; |
fI=(1/x); |
fprintf (stdout," %f %f ", x, fI); |
fI*=pow(2,memparam.dec); |
I=fI; |
return I; |
} |
|
int f1sqrt(float x){ |
int S; |
float fS; |
fS=(sqrt(x)*pow(2,memparam.dec)); |
S=fS; |
return S; |
} |
|
int f2random(float x){ |
int mask=pow(2,memparam.width+1)-1; |
return random()&mask; |
} |
typedef int (*ff2i)(float); |
void generatenums(void){ |
|
int index; |
unsigned long int factor; |
float ffactor; |
float ffactor,epsilon; |
char buff[1024],sign; |
int mask=pow(2,memparam.width+1)-1, depthpfw=hexreq(memparam.depth),widthpfw=((int)(memparam.width/4))+(memparam.width%4?1:0); |
ff2i xf[]={f0inv,f1sqrt,f2random}; |
int depthpfw=hexreq(memparam.depth); |
int widthpfw=((int)(memparam.width/4))+(memparam.width%4?1:0); |
srandom(time(0)); |
epsilon=1/(float)memparam.depth; |
|
fprintf(stdout,"-- epsilon: %f\n",epsilon); |
for(index=0;index<memparam.depth ;index++){ |
factor=random()&mask; |
sign=(factor&(1<<memparam.width))?'-':'+'; |
factor=xf[memparam.R](1+index*epsilon); |
sign=memparam.R==2?((factor&(1<<memparam.width))?'-':'+'):'+'; |
ffactor=(factor&(1<<memparam.width))?(factor^(int)(pow(2,memparam.width+1)-1))+1:factor; |
ffactor/=pow(2,memparam.dec); |
memset(buff,0,1024); |