# i nclude<stdio.h> Hy5_iYP5
# i nclude<stdio.h> ]vJZ v"ACn
# i nclude<math.h> DrLNY"Zq
#define PI 3.1415926 ((^jyQ
void ydgl(); t5mI)u
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; 3#huC=zbf
int f; QW#]i
main() Cbm
{ printf("Determaination the prime circle of cam\n"); jT"P$0sJAd
printf("----------------------------\n"); ;ZXP*M9
printf( "input ro=");scanf("%f",&ro); ^I3cU'X
printf("input h=");scanf("%f",&h); 8T92;.~(
printf("input e=");scanf("%f",&e); In^MZ)?
printf("input dt0=");scanf("%f",&dt0); gS4zX>rqe
am=0;p=PI/180; ^6[KzE#*
printf("The initial data:ro=%f\n",ro); *F* c
printf("h=%f e=%f dt0=%f\n",h,e,dt0); GHj1G,L@\
do S>}jsP:V
{ro=ro+5; !R;P"%PHV
for(f=0;f<=dt0;f=f+2) E]w1!Ah M
{d=PI*f/dt0; GY<ErS)2
ydgl(); ~ ui/Qf2|
} i$;GEM}tv
} rHPda?&H
while(am>30*p); W)JUMW2|
printf("The intermediate results: am=%f\n",am/p); (A O]f fBU
printf("ro=%f\n",ro); eO;i1 >
do BM=`zGh"
{ro=ro-1; ,\!4A
if(ro<e) DLcfOOn1I
break; IK5FSN]s/
6l&m+!i
for(f=0;f<=dt0;f=f+2) ]\5@N7h
{d=PI*f/dt0; fgg^B[(Y
ydgl(); <_@ K4zV
} 6g4CUP'Y
} 4r#O._Z
while((am>30*p)||(am<=29.5*p)); 6la# 0U23
printf("The final results:max alfa=%f\n",am/p); u\=gps/Z
printf(" min ro=%f\n",ro); _d6mf4M]5
getch(); loN!&YceW
} mN+~fuh
void ydgl() l=D E|:
{ d0=dt0*p; QwXM<qG*
s=0.5*h*(1-cos(d)); xb\(>7M6Y
ds=0.5*h*PI*sin(d)/d0; o_&.R
r=sqrt(ro*ro-e*e); Yf.H$L
if((s+r)==0) Sxf|gDC
return; rg+28tlDn
al=atan((ds-e)/(s+r)); ~ z4T
if(al>am) I8HUH*|)n
am=al; 1Lz`.%k`:
}