# i nclude<stdio.h> XC57];-
# i nclude<stdio.h> )3+xsn v
# i nclude<math.h> M55e=
#define PI 3.1415926 k_-vT
void ydgl(); /{49I,
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; -aTg>Q|g&
int f; `*|LI
main() t
Qp*'
{ printf("Determaination the prime circle of cam\n"); Y+}OClS
printf("----------------------------\n"); <7@mg/T
printf( "input ro=");scanf("%f",&ro); F<H`8*q9
printf("input h=");scanf("%f",&h); a-SB1-5jf
printf("input e=");scanf("%f",&e); |F8;+nAVF#
printf("input dt0=");scanf("%f",&dt0); ".Tf<F
am=0;p=PI/180; ]JGKL5~p
printf("The initial data:ro=%f\n",ro); Q';\tGy
printf("h=%f e=%f dt0=%f\n",h,e,dt0); pQ 4
%]Api
do pIM*c6
{ro=ro+5; rin >r0o
for(f=0;f<=dt0;f=f+2) F&>T-u-dog
{d=PI*f/dt0; 'Hcd&3a
ydgl(); ])3lH%4-
} oX%PsS
} \emT:Frb
while(am>30*p); 9RbGa
Y&
printf("The intermediate results: am=%f\n",am/p); sPZV>Q:zY
printf("ro=%f\n",ro); g: H[#I
do (\[jf39e
{ro=ro-1; z|oA{VxW>
if(ro<e) S5YDS|K
break; :y<Cd[/
FE^?U%:u@
for(f=0;f<=dt0;f=f+2) WVBE>TB
{d=PI*f/dt0; ^D>/wX\u
ydgl(); @k#z&@b
} f@,hO5h(_|
} A3<P li
while((am>30*p)||(am<=29.5*p)); * wQZ'
printf("The final results:max alfa=%f\n",am/p); h|$zHm
printf(" min ro=%f\n",ro); q?gQ
getch(); noB}p4
} ~CjmYP'o
void ydgl() FW6E)df
{ d0=dt0*p; O23]!S<;
s=0.5*h*(1-cos(d)); :IOn`mRYu
ds=0.5*h*PI*sin(d)/d0; oIu,rjb
r=sqrt(ro*ro-e*e); */fs.G:P
if((s+r)==0) T`(;;%
return; 0t/z"
al=atan((ds-e)/(s+r)); HY%6eUhj
if(al>am) Bm2}\KOI
am=al; 2t
Z\{=
}