# i nclude<stdio.h> `UQEXoB)
# i nclude<stdio.h> /9Z!p
# i nclude<math.h> sDX/zF6t
#define PI 3.1415926 )nOE8y/
void ydgl(); w:Ra7ExP
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; AX;c}0g
int f; 0yaMe@&,
main() `w+1C&>^[
{ printf("Determaination the prime circle of cam\n"); |kc@L`7s
printf("----------------------------\n"); l~D\;F
printf( "input ro=");scanf("%f",&ro); ]+ZM/'X
printf("input h=");scanf("%f",&h); >Mw'eQ0(y
printf("input e=");scanf("%f",&e); (-(QDRxK
printf("input dt0=");scanf("%f",&dt0); I|T7+{5z
am=0;p=PI/180; -=a[J;'q
printf("The initial data:ro=%f\n",ro); nE$
f
printf("h=%f e=%f dt0=%f\n",h,e,dt0); 0<Q*7aY
do !b63ik15O~
{ro=ro+5; U<rI!!#9
for(f=0;f<=dt0;f=f+2) 8SZK:VE@
{d=PI*f/dt0; *QE"K2\5
ydgl(); d8o ewkiR
} ^BiPLQ
} qe%V#c
while(am>30*p); -?z\5z
printf("The intermediate results: am=%f\n",am/p); nmg{%P
printf("ro=%f\n",ro); |z*>ixK
do >Nh`rkR2[
{ro=ro-1; WqQU@sA
if(ro<e) Ha218Hy0W
break; lE'wfUb
qnXTNs
?b
for(f=0;f<=dt0;f=f+2) p/&HUQQk
{d=PI*f/dt0; 6.19g'{sB
ydgl(); o0mJy'
} ^1 ;BiQ
} !}t-j3bCs
while((am>30*p)||(am<=29.5*p)); n"Z |e tZ4
printf("The final results:max alfa=%f\n",am/p); Mq'IkSt'
printf(" min ro=%f\n",ro); ]]PE#DDg
getch(); $DE&J4K
} " #v%36U
void ydgl() x*q35K^PE
{ d0=dt0*p; ,H{={aln
s=0.5*h*(1-cos(d)); J^:n* C
ds=0.5*h*PI*sin(d)/d0; 9.s,:?5e
r=sqrt(ro*ro-e*e); dB7ZT0L\
if((s+r)==0) Ww`&i
return; KUKI qAA
al=atan((ds-e)/(s+r)); M1{(OY(G
if(al>am) 2(+P[( N1,
am=al; GHG,!C
}