# i nclude<stdio.h> U@ ?LP
# i nclude<stdio.h> ^H{R+}
# i nclude<math.h> omO
S=d!o
#define PI 3.1415926 ZRxZume<f
void ydgl(); ?_x
q-
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; yzw mT
int f; KH)D08
main() sQ6}\
{ printf("Determaination the prime circle of cam\n"); cMyiW$;
printf("----------------------------\n"); 1wzqGmjmt
printf( "input ro=");scanf("%f",&ro); [${
QzO
printf("input h=");scanf("%f",&h); ,g-EW
jN
printf("input e=");scanf("%f",&e); #/"8F O%~p
printf("input dt0=");scanf("%f",&dt0); D0k
8^
am=0;p=PI/180; n55Pv3}C
printf("The initial data:ro=%f\n",ro); q"O.Cbk
printf("h=%f e=%f dt0=%f\n",h,e,dt0); !TZhQiorC
do 3czeTj
{ro=ro+5; j?y LDLj
for(f=0;f<=dt0;f=f+2) ~!s-o|N_\
{d=PI*f/dt0; q)H1pwxD
ydgl(); =U8a ?0
} ]{"Br$
} F:*W5xX
while(am>30*p); .Ha'p.
printf("The intermediate results: am=%f\n",am/p); b'VV'+|
printf("ro=%f\n",ro); a#mNE*Dg
do o,U9}_|A
{ro=ro-1; FMkOo2{
if(ro<e) 4}_O`Uxh
break; V.os
:4~g;2oag
for(f=0;f<=dt0;f=f+2) REZJ}%}/
{d=PI*f/dt0; Hzrtlet
ydgl(); 3qY K_M^[
} 91Uj}n%
} f;/QJ
while((am>30*p)||(am<=29.5*p)); h;=6VgXZ
printf("The final results:max alfa=%f\n",am/p); fc/ &X
printf(" min ro=%f\n",ro); kYzC#.|1
getch(); )o\jJrVDf
} 8G5Da|\
void ydgl() K3\#E/Ox
{ d0=dt0*p; 3 ?Y|
s=0.5*h*(1-cos(d)); *Z m^
~Vo
ds=0.5*h*PI*sin(d)/d0; -n'F v@U
r=sqrt(ro*ro-e*e); C3G)'\yL
if((s+r)==0) "NgoaG~!YO
return; 5{n*"88
al=atan((ds-e)/(s+r)); B||;'
if(al>am) c/_+o;Bc
am=al; k}KC/d9.z
}