# i nclude<stdio.h> (#8B
# i nclude<stdio.h> IYv.~IQO
# i nclude<math.h> wlgR =l
#define PI 3.1415926 @D>qo=KPM
void ydgl(); RoNE7|gF:
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; DMlr%)@{
int f; oSIP{lfp2Q
main() /QT>"
{ printf("Determaination the prime circle of cam\n"); 3Uej]}c
printf("----------------------------\n"); <Yg6=e
printf( "input ro=");scanf("%f",&ro); ~ +h4i'
printf("input h=");scanf("%f",&h); v2k@yxt(
printf("input e=");scanf("%f",&e); |5jrl|
printf("input dt0=");scanf("%f",&dt0); vIf-TQw
am=0;p=PI/180; wHh6y? g\
printf("The initial data:ro=%f\n",ro); t1wzSG
printf("h=%f e=%f dt0=%f\n",h,e,dt0); oRZe?h^r#
do HvmE'O8
{ro=ro+5; pog
for(f=0;f<=dt0;f=f+2) snYeo?|b
{d=PI*f/dt0; 2#/23(Wc
ydgl(); &OA6Zw/A
} FC
WF$'cO
} A]ZQ?-L/
while(am>30*p); Gn<0Fy2
printf("The intermediate results: am=%f\n",am/p); %xr'96d
printf("ro=%f\n",ro); $9P=
do (2UA ,
{ro=ro-1; 0s79rJ
if(ro<e) d"L(eI}G
break; Kg`P@
S|af?IW
for(f=0;f<=dt0;f=f+2) X ]W)D
S
{d=PI*f/dt0; ;YSe:m*
ydgl(); _]-8gr-T
} HJBGxyw
} X&IT s
while((am>30*p)||(am<=29.5*p)); Ve${g`7&
printf("The final results:max alfa=%f\n",am/p); Z_fwvcZ?05
printf(" min ro=%f\n",ro); B):ZX#
getch(); -xbs'[
} 8!YQ9T [
void ydgl() 4>OS2b`.;
{ d0=dt0*p; fefy`J
s=0.5*h*(1-cos(d)); vKWi?}1
ds=0.5*h*PI*sin(d)/d0; kR3wbA
r=sqrt(ro*ro-e*e); ay|jq"a
if((s+r)==0) g9CedD%40
return; pU'${Z~b
al=atan((ds-e)/(s+r)); Nu3gkIz5z-
if(al>am) u80C>sQ
am=al; HDTA`h?t;
}