# i nclude<stdio.h> i%GjtYjS
# i nclude<stdio.h> c (O+s/
# i nclude<math.h> /XjIm4EN
#define PI 3.1415926 ?C(Z\"IX
void ydgl(); v(3nBZHv_!
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; `o8b\p\zn
int f; Ka1
F7b
main() wO@b=1j
{ printf("Determaination the prime circle of cam\n"); @tdX=\[~
printf("----------------------------\n"); f#pT6
printf( "input ro=");scanf("%f",&ro); =iC5um:
printf("input h=");scanf("%f",&h); nchhNU
printf("input e=");scanf("%f",&e); J*F-tRuEw
printf("input dt0=");scanf("%f",&dt0); 6A7UW7/
am=0;p=PI/180; #IDDKUE
printf("The initial data:ro=%f\n",ro); 6|r`
k75.
printf("h=%f e=%f dt0=%f\n",h,e,dt0); =i~/.Nu&
do N+rLbK*
{ro=ro+5; S ])YU?e
for(f=0;f<=dt0;f=f+2) o^wj_#ai$
{d=PI*f/dt0; 1 b+B
ydgl(); x2ln$dSy7
} +j_Vs+0
} M.1R]x(|
while(am>30*p); KOv
a r0
printf("The intermediate results: am=%f\n",am/p); Zk$AAjC&
printf("ro=%f\n",ro); XA5gosq
do k ~lj:7g~
{ro=ro-1; =<s+cM
if(ro<e) 7Av/ZS
break; W%hdS<b
_j-k*:
for(f=0;f<=dt0;f=f+2) }UMg ph:2:
{d=PI*f/dt0; J\b,rOI f
ydgl(); 7qt<CLJ
}
%1 <No/
} G5egyP;
while((am>30*p)||(am<=29.5*p)); %gSqc
}v*
printf("The final results:max alfa=%f\n",am/p); us\@n"
printf(" min ro=%f\n",ro); 6*cm
getch(); 3}= .7qm
} ;Jr6
void ydgl() 38b%km#
{ d0=dt0*p; g2^7PtJg
s=0.5*h*(1-cos(d)); {6^c3R[
ds=0.5*h*PI*sin(d)/d0; FSoL|lH
r=sqrt(ro*ro-e*e); @y[Zr6\z
if((s+r)==0) 1GN>,Lb:o
return; p%+ 0^]v1
al=atan((ds-e)/(s+r)); .21%~"dxJ
if(al>am) ag]b]K
am=al; 4%LG9hS
}