# i nclude<stdio.h> m!:sDQn{3
# i nclude<stdio.h> }nWW`:t kx
# i nclude<math.h> {Yv5Z.L&(
#define PI 3.1415926 O_Z
void ydgl(); Sp@{5
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; 'l._00yu
int f; (?z"_\^n/
main() YF13&E2`\
{ printf("Determaination the prime circle of cam\n"); hJ(S]1B~G
printf("----------------------------\n"); N)X51;+
printf( "input ro=");scanf("%f",&ro); A )xfO-
printf("input h=");scanf("%f",&h); cnM`ywKW
printf("input e=");scanf("%f",&e); 0|~3\e/QV
printf("input dt0=");scanf("%f",&dt0); Yu|L6#[E
am=0;p=PI/180; )IGx3+I
,
printf("The initial data:ro=%f\n",ro); g#[,4o;
printf("h=%f e=%f dt0=%f\n",h,e,dt0); h5@JS1cY
do g;!,2,De}
{ro=ro+5; d0-T\\U
for(f=0;f<=dt0;f=f+2) +qmV|$rmM
{d=PI*f/dt0; Ai5D[ykX
ydgl(); JPkI+0
} incUa;
} CDWchY
while(am>30*p); jNP%BNd1f
printf("The intermediate results: am=%f\n",am/p); DZV U!J
printf("ro=%f\n",ro); 2$?j'i!
do xBAASy
{ro=ro-1; 7R>Pk9J
if(ro<e) P>ZIP*
Gr
break; H)i%\7F5
CI@qT}Y_
for(f=0;f<=dt0;f=f+2) p}h9>R
{d=PI*f/dt0; O-]^_LV`
ydgl(); %s[
n2w
} m/NXifi8l
} ?4 lDoP{
while((am>30*p)||(am<=29.5*p)); ehQ~+x
printf("The final results:max alfa=%f\n",am/p); 1'9YY")#
printf(" min ro=%f\n",ro); (W_U<~`t
getch(); Nrk/_0^
} R5MY\^H/A
void ydgl() b "5WsJ:'#
{ d0=dt0*p; "9!CsloWhz
s=0.5*h*(1-cos(d)); ^I6GH?19>e
ds=0.5*h*PI*sin(d)/d0; $|}PL[aA#
r=sqrt(ro*ro-e*e); TS;?>J-
if((s+r)==0) jW_FaPW(p
return; K_LwYO3
al=atan((ds-e)/(s+r)); #[NNb?`F
if(al>am) hOIk6}r4X
am=al; G>0hi1
}