# i nclude<stdio.h> Oh~JyrZy
# i nclude<stdio.h> ^{-J Y
# i nclude<math.h> Fc7mAV=
#define PI 3.1415926 !iCY!:
void ydgl(); qWtvo';3
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; 4&r^mGs,
int f; hPx=3L$
main() G*mk 19Z
{ printf("Determaination the prime circle of cam\n"); ?A2#V(4
printf("----------------------------\n"); WWc{]R^D
printf( "input ro=");scanf("%f",&ro); x g/3*rL
printf("input h=");scanf("%f",&h); OYgD9T.8^
printf("input e=");scanf("%f",&e); 5sEq`P}5
printf("input dt0=");scanf("%f",&dt0); 5)2lZ(5.A#
am=0;p=PI/180; PE|_V
printf("The initial data:ro=%f\n",ro); :|M0n%-X
printf("h=%f e=%f dt0=%f\n",h,e,dt0); ,S2D/Y^>
do >"{3lDyq-
{ro=ro+5; |OUr=b
for(f=0;f<=dt0;f=f+2) 7z)Hq./3@
{d=PI*f/dt0; 55Y BO$
ydgl(); /^i7^
} 7*M+bZ`x
} c#
U!Q7J
while(am>30*p); Aj;Z
&
printf("The intermediate results: am=%f\n",am/p); x;99[C!$
printf("ro=%f\n",ro); - ~T LI&[
do ZTVX5"#Q
{ro=ro-1; *ELbz}Q
if(ro<e) ,sn
?V~)
break; OSK3X Qc
s|dcO
for(f=0;f<=dt0;f=f+2) >> Z.]
{d=PI*f/dt0; HO/Ij
ydgl(); tz)aQ6p\X
} `-"2(Gp
} 5yI_uQR
while((am>30*p)||(am<=29.5*p)); xJa
printf("The final results:max alfa=%f\n",am/p); 7MZBU~,r
printf(" min ro=%f\n",ro); {k%*j 4
getch(); A/|To!R
} f6j;Y<}' g
void ydgl() b<P9@h~:
{ d0=dt0*p; U
]`SM6
s=0.5*h*(1-cos(d)); Pb]: i+c)
ds=0.5*h*PI*sin(d)/d0; |`1lCyV\tE
r=sqrt(ro*ro-e*e); G<# 9`
if((s+r)==0) HJo&snT3
return; %YlL-*7L
al=atan((ds-e)/(s+r)); Kp'_lKW)]q
if(al>am) aJ}y|+Cj
am=al; y>_lxLhmO#
}