# i nclude<stdio.h> ]JOephX2R
# i nclude<stdio.h> ?2{bKIV_
# i nclude<math.h> B?+.2
#define PI 3.1415926 sU\c#|BSC"
void ydgl(); :6XguU
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; C\
tprnY
int f; AgIazv1
main() <lUOJV{&\
{ printf("Determaination the prime circle of cam\n"); =WC-Sj{I
printf("----------------------------\n"); /QQ8.8=5
printf( "input ro=");scanf("%f",&ro); [+;qWfs B
printf("input h=");scanf("%f",&h); ,Du@2w3Cq
printf("input e=");scanf("%f",&e); {J (R
printf("input dt0=");scanf("%f",&dt0); / /'Tck
am=0;p=PI/180; {9L 5Q
printf("The initial data:ro=%f\n",ro); yQ9ZhdQS
printf("h=%f e=%f dt0=%f\n",h,e,dt0); rah,dVE]
do :M06 ;:e
{ro=ro+5; %m9CdWb=w
for(f=0;f<=dt0;f=f+2) l71gf.4g
{d=PI*f/dt0; z"lqrSJ:
ydgl(); *l{yW"Su
} Guh%eR'Wt
} "< v\M85&
while(am>30*p); 'Y.Vn P&H
printf("The intermediate results: am=%f\n",am/p); Mi ; glm
printf("ro=%f\n",ro); b/t
do ({4]
{ro=ro-1; !22yvT.;[
if(ro<e) l[ne/O
JJ
break; &rp!%]+xAM
d6`OXTD
for(f=0;f<=dt0;f=f+2) Z?oG*G:
{d=PI*f/dt0; oBA`|yW{U
ydgl(); b;#\~(a
} yPV'pT)
} ZU^IH9
while((am>30*p)||(am<=29.5*p)); FW8-'~
printf("The final results:max alfa=%f\n",am/p); 3J{vt"dS
printf(" min ro=%f\n",ro); ,w{m3;]_%
getch(); XF|WCZUnY%
} G/vC~6x
void ydgl() AVG>_$<
{ d0=dt0*p; t|V0x3X
s=0.5*h*(1-cos(d)); C9qJP^F
ds=0.5*h*PI*sin(d)/d0; B<7/,d'
r=sqrt(ro*ro-e*e); EATu KLP\
if((s+r)==0) y:d{jG^
return; @m~RtC-Q
al=atan((ds-e)/(s+r)); B6]<G-
if(al>am) /4$4h;_8
am=al; fj>C@p
}