# i nclude<stdio.h> vo-{3]u#=
# i nclude<stdio.h> I .ty-X]
# i nclude<math.h> 'Ap5Aq
#define PI 3.1415926 A@OV!DJe]
void ydgl(); Ul
Iw&U
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; De_</1Au!2
int f; [)A#9L~s=
main() (Nahtx!/9
{ printf("Determaination the prime circle of cam\n"); i`$rzXcS
printf("----------------------------\n"); -wfV
printf( "input ro=");scanf("%f",&ro); =*Xf(mh c
printf("input h=");scanf("%f",&h); pS;dvZ
printf("input e=");scanf("%f",&e); +IYSWR
printf("input dt0=");scanf("%f",&dt0); ;>9pJ72r
am=0;p=PI/180; :N}KScS|Wa
printf("The initial data:ro=%f\n",ro); 6]S.1BP
printf("h=%f e=%f dt0=%f\n",h,e,dt0); E6k&r}
do )[*O^bPowI
{ro=ro+5; k Dt)S$N4n
for(f=0;f<=dt0;f=f+2) ex458^N_
{d=PI*f/dt0; }q W aE
ydgl(); FF/R_xnx
} D$E9%'ir
} rR~X>+K
while(am>30*p); ~x:]ch|
printf("The intermediate results: am=%f\n",am/p); tqCg<NH.!m
printf("ro=%f\n",ro); Fr3t[:D
do [)~@NN
{ro=ro-1; GcW}<g}
if(ro<e) #7h fEAk
break; di2=P)3
eB*8)gYh
for(f=0;f<=dt0;f=f+2) [i7)E]*oTA
{d=PI*f/dt0; 0)V-|v`
ydgl(); S45>f(!
} GNc|)$
} _ZBR<{
while((am>30*p)||(am<=29.5*p)); YWrY{6M
printf("The final results:max alfa=%f\n",am/p); g"S+V#R
printf(" min ro=%f\n",ro); ZiYzsn
getch(); V JL;+
} GuvF
void ydgl() 79g>7<vp
{ d0=dt0*p; Po.BcytM
s=0.5*h*(1-cos(d)); v^fOT5\
ds=0.5*h*PI*sin(d)/d0; L"%eQHEC&
r=sqrt(ro*ro-e*e); m?$G(E5
if((s+r)==0) x)ZH;)
return; Gw^=kzh
al=atan((ds-e)/(s+r)); Ilb
|:x"L
if(al>am) XF$]KAL0
am=al; 3>)BI(Wl
}