# i nclude<stdio.h> chM%]|gey
# i nclude<stdio.h> v&DI`xn~
# i nclude<math.h> `yrB->|vG
#define PI 3.1415926 3no%E03p
void ydgl(); V5V
bJBpf
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al;
mHdA2
int f; E7j(QOf
main() [9evz}X
{ printf("Determaination the prime circle of cam\n"); PUp6Q;AdQ
printf("----------------------------\n"); ayR-\mZ
printf( "input ro=");scanf("%f",&ro); 6-N?mSQU
printf("input h=");scanf("%f",&h); [1g8*j~L
printf("input e=");scanf("%f",&e); [=6]+V83M
printf("input dt0=");scanf("%f",&dt0); Y!-M_v /
am=0;p=PI/180; +Vb.lH[av
printf("The initial data:ro=%f\n",ro); Dp,L/1GQ8
printf("h=%f e=%f dt0=%f\n",h,e,dt0); #+ 0M2Sa
do yVU^M?`#
{ro=ro+5; _|kxY'_[8
for(f=0;f<=dt0;f=f+2) #L=x%8B
{d=PI*f/dt0; ]b2p G'
ydgl(); :~"CuB/
} +h|`/ &,
} Xv ]W(f1
while(am>30*p); at#ja_ hd
printf("The intermediate results: am=%f\n",am/p); 0L2 F[TN
printf("ro=%f\n",ro); vyNxT* ,[K
do x9UX!Z5*>
{ro=ro-1; cOmw?kA*G
if(ro<e) SYAyk
break; Hq'`8f8N
O,{6*[)@
for(f=0;f<=dt0;f=f+2) wN_Vfb
{d=PI*f/dt0; (y=C_wvqZ
ydgl(); }aa'\8
} u^@f&BIG]:
}
_C%3h5
while((am>30*p)||(am<=29.5*p)); ^me-[
5
printf("The final results:max alfa=%f\n",am/p); j/323Za+
printf(" min ro=%f\n",ro); sEp"D+f
getch(); (9''MlGd%
} 2Q/x@aT,h
void ydgl() M'?,] an
{ d0=dt0*p; 2V-
16Q'%
s=0.5*h*(1-cos(d)); >c1qpk/
ds=0.5*h*PI*sin(d)/d0; GFj{K
r=sqrt(ro*ro-e*e); |7'df &CA
if((s+r)==0) YqhAZp<
return; mitHT :%r2
al=atan((ds-e)/(s+r)); 1OGx>J6
if(al>am) DrKP%BnS
am=al; B]nEkO'a:
}