# i nclude<stdio.h> h-U]?De5\
# i nclude<stdio.h> uUe#+[bD
# i nclude<math.h> f`8?]@y{
#define PI 3.1415926 *\*]:BIe&v
void ydgl(); }0]iS8*tL
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; V(Cxd.u
int f; &PX!'%X68h
main() .pH 4[~
{ printf("Determaination the prime circle of cam\n"); e}(8BF
printf("----------------------------\n"); 2iC BF-,
printf( "input ro=");scanf("%f",&ro); I1JL`\;4
printf("input h=");scanf("%f",&h); k#Qjm9V
printf("input e=");scanf("%f",&e); U&SSc@of
printf("input dt0=");scanf("%f",&dt0); %vUUx+
am=0;p=PI/180; tg<bVA)E'J
printf("The initial data:ro=%f\n",ro); ~*`wRiUhis
printf("h=%f e=%f dt0=%f\n",h,e,dt0);
$QwzL/a
do j$4lyDfD
{ro=ro+5; !j3Xzn9
for(f=0;f<=dt0;f=f+2) "V5_B^Gzb]
{d=PI*f/dt0; JURg=r]LI
ydgl(); ZgmK~iJ
} Q |hBGH9:B
} b#n
while(am>30*p); fw|t`mUGu
printf("The intermediate results: am=%f\n",am/p); c?6(mU\x
printf("ro=%f\n",ro); R<^E?FI
do QBA{*@ A-
{ro=ro-1; OaY]}4tI$
if(ro<e) ,V)hV@Dk
break; G0Z$p6z
/K;A bE
for(f=0;f<=dt0;f=f+2) pV1;gqXNS
{d=PI*f/dt0; D'Uc?2X,&
ydgl(); #v4^,$k>
} $4kbOqn4
} }a%Wu 7D
while((am>30*p)||(am<=29.5*p)); ClufP6'
printf("The final results:max alfa=%f\n",am/p); [=:4^S|M
printf(" min ro=%f\n",ro); VeH%E.:
getch(); B5_QH8kt7
}
U^-RyE!}
void ydgl() )=5*iWe
{ d0=dt0*p; }IQ! [T5
s=0.5*h*(1-cos(d)); mXu";?2
ds=0.5*h*PI*sin(d)/d0; 5nK|0vv%2
r=sqrt(ro*ro-e*e); ncpA\E;ff^
if((s+r)==0) )}k"7"
return; Vkqfs4 t
al=atan((ds-e)/(s+r)); V1A7hRjxvG
if(al>am) S)"vyGv
am=al; TC
;Aj|)N
}