# i nclude<stdio.h> XZ@>]P
# i nclude<stdio.h> EVSK8T,
# i nclude<math.h> oYqE*mA
#define PI 3.1415926 fm6]CU1^
void ydgl(); :bw6 k
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; M,L@k
int f; HWR&C
main() O<a3DyUa;
{ printf("Determaination the prime circle of cam\n"); g*r/u;
printf("----------------------------\n"); F`D9Zfd
printf( "input ro=");scanf("%f",&ro); bBFwx @
printf("input h=");scanf("%f",&h); `1_FQnm)
printf("input e=");scanf("%f",&e); WH;xq^
printf("input dt0=");scanf("%f",&dt0); GG>Y/;^
am=0;p=PI/180; Wy,"cT
printf("The initial data:ro=%f\n",ro); a^*B5G1(&
printf("h=%f e=%f dt0=%f\n",h,e,dt0); 7NUenCdc
do 2HVCXegq
{ro=ro+5; L)G">T;
for(f=0;f<=dt0;f=f+2) wL'C1Vr
{d=PI*f/dt0; *lY+Yy(
ydgl(); k7b(QADqUU
} d'q;+jnP
} "DzGBu\
while(am>30*p); [Z% l.
printf("The intermediate results: am=%f\n",am/p); :28@J?jjO
printf("ro=%f\n",ro); UR\ZN@O
do t*rp3BIG
{ro=ro-1; !
fX9*0L
if(ro<e) K5+!(5V~
break; SZI7M"gf/+
?PYNE
for(f=0;f<=dt0;f=f+2) 0.(zTJ
{d=PI*f/dt0; "j
+v,js
ydgl(); eFes+i( 35
} e)br`CD%
} 7~lB}$L
while((am>30*p)||(am<=29.5*p)); v6KL93
printf("The final results:max alfa=%f\n",am/p); 0 c,bet{m
printf(" min ro=%f\n",ro); s/\XH&KR3V
getch(); qY# m*R
} @#1cx
void ydgl() `GP3D~
{ d0=dt0*p; F1/6&u9I
s=0.5*h*(1-cos(d)); (J/>Gy)d
ds=0.5*h*PI*sin(d)/d0; 8QPT\~
r=sqrt(ro*ro-e*e); @<VG8{
if((s+r)==0) cyDiA(ot&
return; Za34/ro/T
al=atan((ds-e)/(s+r)); ^]KIgGv\
if(al>am) M'b:B*>6
am=al; JPHUmv6
}