# i nclude<stdio.h> 9"_qa q
# i nclude<stdio.h> .l !:|Fd
# i nclude<math.h> k$k(g
#define PI 3.1415926 p0`Wci
void ydgl(); _Vj O
[hx
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; ^?&Jq_oU
int f; 2~ Gcoda
main() ~e,
{ printf("Determaination the prime circle of cam\n"); c<DsCzX
printf("----------------------------\n"); C<6u}czA
printf( "input ro=");scanf("%f",&ro); &Mo=V4i>
printf("input h=");scanf("%f",&h); eV1O#FLbi
printf("input e=");scanf("%f",&e); 2frJSV ?
printf("input dt0=");scanf("%f",&dt0); !ssE >bDa
am=0;p=PI/180; n?!.r
c
printf("The initial data:ro=%f\n",ro); <MA!?7Z|
printf("h=%f e=%f dt0=%f\n",h,e,dt0); `Ft`8=(
do )8st
{ro=ro+5; \C/`?"4w
for(f=0;f<=dt0;f=f+2) e%(zjCA
{d=PI*f/dt0; A}OV>y M
ydgl(); nU)}!` E
} D#W{:_f
} V\!FD5%
while(am>30*p); <)?H98S
printf("The intermediate results: am=%f\n",am/p); E
Jq=MP
printf("ro=%f\n",ro); h8u(lIRHQ
do }@!d(U*
{ro=ro-1; q6\z]8)
if(ro<e) (@uQ>dR:
break; )&se/x+
H Y.,f_m
for(f=0;f<=dt0;f=f+2) onG,N1`+
{d=PI*f/dt0; ogip#$A}3
ydgl(); 7&'^H8V
} W(~G^Xu
} TLPy/,
while((am>30*p)||(am<=29.5*p)); \EUc17
printf("The final results:max alfa=%f\n",am/p); 1PjSa4
printf(" min ro=%f\n",ro); Y]&HU) u
getch(); *)L%pH>`
} @l$cZie
void ydgl() fnL!@WF
{ d0=dt0*p; 9 n|H%AC
s=0.5*h*(1-cos(d)); w_/q5]/V-5
ds=0.5*h*PI*sin(d)/d0; N#Qby4w >
r=sqrt(ro*ro-e*e); $ hg
W>e
if((s+r)==0) x>&1;g2r
return; tG^Oj:
al=atan((ds-e)/(s+r)); EOVHTDkKf
if(al>am) Vy-H3BR
am=al; 0O!%NL[,
}