# i nclude<stdio.h> do*Wx2:R
# i nclude<stdio.h> tRkrV]K
# i nclude<math.h> Px$'(eMj^3
#define PI 3.1415926 L#[HnsLp_
void ydgl(); 65uZLsQ
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; 01-p
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int f; )'w]YIv9
main() rrbZ+*U
{ printf("Determaination the prime circle of cam\n"); #% qqL
printf("----------------------------\n"); D.
77WjwQ
printf( "input ro=");scanf("%f",&ro); &8zk3
printf("input h=");scanf("%f",&h); XpOCQyFnM
printf("input e=");scanf("%f",&e); p-a]"l+L
printf("input dt0=");scanf("%f",&dt0); ADTU{6UPS
am=0;p=PI/180; = SA
4\/
printf("The initial data:ro=%f\n",ro); +V6j`
printf("h=%f e=%f dt0=%f\n",h,e,dt0); Cx$9#3\
do sek6+#|=
{ro=ro+5; p$B)^S%0i
for(f=0;f<=dt0;f=f+2) YHJ'
{d=PI*f/dt0; LZbRQ"!!o
ydgl(); zj%cd;
} 69N1 mP
} 0qOM78rE
while(am>30*p); }`#j;H$i
printf("The intermediate results: am=%f\n",am/p); U9bFUK/z
printf("ro=%f\n",ro); //VG1@vaVX
do (69kvA&|q
{ro=ro-1; M_yZR^;^-
if(ro<e) :p,c%"8
break; wHq('+{=&
hU |LFjc
for(f=0;f<=dt0;f=f+2) 4U_rB9K$
{d=PI*f/dt0; \XZU'JIO
ydgl(); :Xb*m85y
} rHH#@Zx
} 3L%Y"4(mm
while((am>30*p)||(am<=29.5*p)); V=:,]fTr
printf("The final results:max alfa=%f\n",am/p); r7zf+a]
printf(" min ro=%f\n",ro); /M5=tW#e
getch(); rjfc.l#v
} ER0TY,
void ydgl() <t% Ao,"
{ d0=dt0*p; dP$y>%cB
s=0.5*h*(1-cos(d)); tW'qO:y+
ds=0.5*h*PI*sin(d)/d0; '&rw=.cU
r=sqrt(ro*ro-e*e); B(HNB\3u
if((s+r)==0) fJ,8g/f8
return; :0i#=ODR
al=atan((ds-e)/(s+r)); #u!y`lek
if(al>am) !.x=r
am=al; P1M|f4*
}