# i nclude<stdio.h> Q$*JkwPQ}
# i nclude<stdio.h> ~( ;HkT
# i nclude<math.h> dJ9v/k_
#define PI 3.1415926 W]oILL"d
void ydgl(); W9G1wU
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; h
J H
int f; }Pm;xHnf&
main() 7PW7&]-WQ
{ printf("Determaination the prime circle of cam\n"); ,@]*Xgt=
printf("----------------------------\n"); KIGMWS^^
printf( "input ro=");scanf("%f",&ro); @s|G18@
printf("input h=");scanf("%f",&h); YD,<]q%
printf("input e=");scanf("%f",&e); `uof\D<']
printf("input dt0=");scanf("%f",&dt0); | Kq<}R
am=0;p=PI/180; ]Om;bmwt
printf("The initial data:ro=%f\n",ro); s}<i[hY>
printf("h=%f e=%f dt0=%f\n",h,e,dt0); {
V$}qa{P
do s>I~%+V.?:
{ro=ro+5; =lmelo#m&
for(f=0;f<=dt0;f=f+2) M%#F"^8v
{d=PI*f/dt0; _&RGhA
ydgl(); jpkKdQX)
} {yFMY?6rf
} 9hei8L:
while(am>30*p); =>-W!Of
printf("The intermediate results: am=%f\n",am/p); bHg 0,N
printf("ro=%f\n",ro); T}jW,Ost
do `4,]Mr1b
{ro=ro-1; ge ]Z5E(1
if(ro<e) #G\Ae:O
break; ~g}blv0q+B
' L-h2
for(f=0;f<=dt0;f=f+2) Flaqgi/j
{d=PI*f/dt0; i(4.7{*
ydgl(); J4Ca0Ag
} nT7]PhJ
} 7#j9"*
while((am>30*p)||(am<=29.5*p)); ddY-F
}z~
printf("The final results:max alfa=%f\n",am/p); l%qfaU2
printf(" min ro=%f\n",ro); DAy|'%rF1-
getch(); w{riXOjS4
} M hjIE<OI=
void ydgl() ]/|DCxQ
{ d0=dt0*p; v8TNBsEL
s=0.5*h*(1-cos(d)); tILnD1q
ds=0.5*h*PI*sin(d)/d0; %reW/;)l{
r=sqrt(ro*ro-e*e); AMN`bgxW
if((s+r)==0) 3}B-n!|*
return; p2gu@!
al=atan((ds-e)/(s+r)); 9hgIQl
if(al>am) @h\i<sh!^
am=al; ?lm<)y?I7+
}