# i nclude<stdio.h> FG^lh
# i nclude<stdio.h> [0vqm:P
# i nclude<math.h> e~7FK_y#0
#define PI 3.1415926 et?FX K"y
void ydgl(); 3S"
/l
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; (eSsx/
int f; 8N \<o7t%
main() ,Oe:SZJ>
{ printf("Determaination the prime circle of cam\n"); inh
J|pe"
printf("----------------------------\n"); +lxjuEiae
printf( "input ro=");scanf("%f",&ro); tAsap}(
printf("input h=");scanf("%f",&h); Jj?HOtaM
printf("input e=");scanf("%f",&e); AEkjy h\
printf("input dt0=");scanf("%f",&dt0); "6
~5RCZ
am=0;p=PI/180; W4UK?#S+
printf("The initial data:ro=%f\n",ro); 'q?Y5@s
printf("h=%f e=%f dt0=%f\n",h,e,dt0); S=\cF,Zs
do <cU%yA710
{ro=ro+5; h'?v(k!
for(f=0;f<=dt0;f=f+2) <@P. 'rE
{d=PI*f/dt0; @)U;hk)j;
ydgl(); > l]Ble
}
HQ]mDo
} HLOrDlj7
while(am>30*p); [>t;P,
printf("The intermediate results: am=%f\n",am/p); @dx8 {oQ
printf("ro=%f\n",ro); m'QG{f
do YxrMr9>l1
{ro=ro-1; %-a;HGbZn
if(ro<e) @T:J<,
break; lV$CBS
@<`V q
for(f=0;f<=dt0;f=f+2) QO^V@"N
{d=PI*f/dt0; Qj|rNeM_
ydgl(); *ow`}Q
} Q6D>(H#"0
} &,yF{9$G
while((am>30*p)||(am<=29.5*p)); -DK6(<:0
printf("The final results:max alfa=%f\n",am/p);
JJmW%%]i
printf(" min ro=%f\n",ro); }xBDyr63
getch(); T*%rhnTv0
} TW!OE"B
void ydgl() Tgax ZW
{ d0=dt0*p; 7'"qW"<
s=0.5*h*(1-cos(d)); K_~kL0=4
ds=0.5*h*PI*sin(d)/d0; OGIv".~s4
r=sqrt(ro*ro-e*e); {@F'BB\
if((s+r)==0) z~3GgR"1d
return; J]#rh5um
al=atan((ds-e)/(s+r)); WMC\J(@.
if(al>am) m#8(l{3|
am=al; ar#73f
}