# i nclude<stdio.h> z6Jfu:_N!
# i nclude<stdio.h> J*CfG;Y:
# i nclude<math.h> 7u7 <"?v=
#define PI 3.1415926 r<L>~S>yb
void ydgl(); ) _O6_
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; #pw=HHq*(
int f; V{G9E
main() PyfOBse}r
{ printf("Determaination the prime circle of cam\n"); C:d$
printf("----------------------------\n"); 6J%+pt[tu
printf( "input ro=");scanf("%f",&ro); *Ad7GG1/u
printf("input h=");scanf("%f",&h); P(BV J_n
printf("input e=");scanf("%f",&e); 6
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printf("input dt0=");scanf("%f",&dt0); mh8~w~/[
am=0;p=PI/180; tqo!WuZAj
printf("The initial data:ro=%f\n",ro); HR83{B21
printf("h=%f e=%f dt0=%f\n",h,e,dt0); vVi))%&S(
do ,0Y5O?pu\
{ro=ro+5; NQ(}rr'.
for(f=0;f<=dt0;f=f+2) j?n:"@!G/
{d=PI*f/dt0; R9z^=QKcH
ydgl(); f~D>
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} N~An}QX|
} ZXj;ymC'
while(am>30*p); 2x*C1
printf("The intermediate results: am=%f\n",am/p); UPkD^D,
printf("ro=%f\n",ro); /RmHG
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do h}_1cev?
{ro=ro-1;
h8!;RN[
if(ro<e) z3[0BWXs
break; :i6k6=
_(8HK
for(f=0;f<=dt0;f=f+2) vYNh0)$%F
{d=PI*f/dt0; mJ|7Jc
ydgl(); 5Y&s+|
} 5Y8/ZW~D0
} 6A& f
while((am>30*p)||(am<=29.5*p)); d>Z{TFY
printf("The final results:max alfa=%f\n",am/p); [af<FQ {
printf(" min ro=%f\n",ro); g{cHh(S
getch(); E@_M|=p&
} ?DC3BA\)
void ydgl() SdfrLdi}Y
{ d0=dt0*p; J
dDP
s=0.5*h*(1-cos(d)); Xx0}KJq~"
ds=0.5*h*PI*sin(d)/d0; 5)yQrS !{:
r=sqrt(ro*ro-e*e); 0F<O \
if((s+r)==0) f9FsZD
return; IPl>bD~=p
al=atan((ds-e)/(s+r)); 9J?G"JV?
if(al>am) {Z_Pry$6
am=al; D>O{>;y[
}