# i nclude<stdio.h> c_>AbF{
# i nclude<stdio.h> 3<l}gB'S[
# i nclude<math.h> Ljiw9*ZI
#define PI 3.1415926 g{
;OgS3>
void ydgl(); /6F\]JwU
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; )w5!'W4Z8
int f; G^cMY$?99
main() ]0O3kiVQ
{ printf("Determaination the prime circle of cam\n"); !xBJJ/K+|
printf("----------------------------\n"); 1JJ1!& >
printf( "input ro=");scanf("%f",&ro); #?`S+YN!q)
printf("input h=");scanf("%f",&h); u9(42jj[$U
printf("input e=");scanf("%f",&e); *7=`]w5k1
printf("input dt0=");scanf("%f",&dt0); N`{6<Z0
am=0;p=PI/180; UCup {pDp
printf("The initial data:ro=%f\n",ro); /MMnW$)
printf("h=%f e=%f dt0=%f\n",h,e,dt0); |26[=_[q
do ?~IdPSY
{ro=ro+5; K-"`A.:S
for(f=0;f<=dt0;f=f+2) ^(Z%,j3O
{d=PI*f/dt0; &EYoviFp
ydgl(); |3~]XN-
} +]( #!}oH
} 7<=p*
while(am>30*p); L7n G5i
printf("The intermediate results: am=%f\n",am/p); tSnsjd<6.
printf("ro=%f\n",ro); cW_l |
do (74y2U6
{ro=ro-1; GY %$7
if(ro<e) :>0,MO.^~K
break; .XkD2~;
x4MTE?hT
for(f=0;f<=dt0;f=f+2)
/fLm
)vN
{d=PI*f/dt0; Q1{9>NI
ydgl(); 4"3.7.<Q`
} ir>S\VT4
} !G6h~`[
while((am>30*p)||(am<=29.5*p)); s|:1z"q
printf("The final results:max alfa=%f\n",am/p); kma>'P`G
printf(" min ro=%f\n",ro); fFoZ!H
getch(); OHW|?hI=[
} /2hRLyeAZ
void ydgl() j:>0XP
{ d0=dt0*p; FV3[7w=D\
s=0.5*h*(1-cos(d)); RnU7|p{
ds=0.5*h*PI*sin(d)/d0; -"{g kjuv
r=sqrt(ro*ro-e*e); XPZ8*8JL
if((s+r)==0) 'x<oILOG
return; #6~Bg)7AM
al=atan((ds-e)/(s+r)); AlG5n'
if(al>am) |:Maa6(W
am=al; .)Pul|)d
}