# i nclude<stdio.h> )!N2'Ld
# i nclude<stdio.h> EW
~*@H
# i nclude<math.h> W"W@WG9X0
#define PI 3.1415926 ^Vl^,@
void ydgl(); N{ : [/
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; =t@:F
int f; '&RZ3@}+
main() F<h&3
{ printf("Determaination the prime circle of cam\n"); Y*`:M(
printf("----------------------------\n"); /uC+.B9k
printf( "input ro=");scanf("%f",&ro); :[A?A4l
printf("input h=");scanf("%f",&h); D_O 5k|-V
printf("input e=");scanf("%f",&e); WH{cJ7wCL
printf("input dt0=");scanf("%f",&dt0); 'wCS6_K
am=0;p=PI/180; )W[KD,0+j
printf("The initial data:ro=%f\n",ro); 5JQd)[Im
printf("h=%f e=%f dt0=%f\n",h,e,dt0); 3Qqnw{*
do
HT{F$27W
{ro=ro+5; '
%bj9{(0
for(f=0;f<=dt0;f=f+2) p3V9ikyy
{d=PI*f/dt0; UeMnc 5y
ydgl();
g|tNa/
} +i: E
} )fxo)GS
while(am>30*p); M/n[&
printf("The intermediate results: am=%f\n",am/p); Hi9 G^Q
printf("ro=%f\n",ro); B(S5+Y
do k\4g|Lya
{ro=ro-1; Ytl:YzXCi
if(ro<e) M\:"~XW
break; :GN)7|:
&@mvw=d
for(f=0;f<=dt0;f=f+2) ^JYF1
{d=PI*f/dt0; ,$hQ(yF
ydgl(); K?z*3^^X;
} k$9Gn9L%
} @"q~AY
while((am>30*p)||(am<=29.5*p)); d/0/$Bz}P
printf("The final results:max alfa=%f\n",am/p); pKOT Qf
printf(" min ro=%f\n",ro); yC9:sQ'k
getch(); X;K8,A7`
} R*JOiVAC
void ydgl() 2jI4V;H8g
{ d0=dt0*p; p[ks} mca@
s=0.5*h*(1-cos(d)); t9KH|y
ds=0.5*h*PI*sin(d)/d0; 0hHIz4(
r=sqrt(ro*ro-e*e); }0k"SwX
if((s+r)==0) pHI%jHHJ
return; "2y7l
al=atan((ds-e)/(s+r)); Mft0Dj/
if(al>am) *>}McvtTw
am=al; S&4w`hdD>~
}