# i nclude<stdio.h> c3G&)gU4q
# i nclude<stdio.h> *, RxOz2=
# i nclude<math.h> gP 6`q
#define PI 3.1415926 r(ufyC&
void ydgl(); 2-!n+#Cdf
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; "}'Sk(
int f; xFy%&SKHg
main() AiE\PMF~{P
{ printf("Determaination the prime circle of cam\n"); KXTx{R
printf("----------------------------\n"); |nTZ/MXbw
printf( "input ro=");scanf("%f",&ro); jYi{[**
printf("input h=");scanf("%f",&h); Z/>0P* F
printf("input e=");scanf("%f",&e); )ls<"WTC.
printf("input dt0=");scanf("%f",&dt0); Q0cr^24/
am=0;p=PI/180; aA/.EAc7
printf("The initial data:ro=%f\n",ro); wBK%=7
printf("h=%f e=%f dt0=%f\n",h,e,dt0); Jxy94y*
do !j|93*
{ro=ro+5; rJ UXA<:2
for(f=0;f<=dt0;f=f+2) .0zNt
{d=PI*f/dt0; rtM!|apr
ydgl(); umo@JWr
} o>' 1ct
} E-_Q3^
while(am>30*p); "RF<i3{S
printf("The intermediate results: am=%f\n",am/p); 1TvR-.e
printf("ro=%f\n",ro); B "z`X!\
do g,
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{ro=ro-1; CNiUHUD
if(ro<e) +s'qcC
break; lV0\UySH
oT\u^WU
for(f=0;f<=dt0;f=f+2) S^Z[w|1
{d=PI*f/dt0; 6SIk,Isy8
ydgl(); NZyGC
Vh@
} z$>_c"D
} _IOt(Zb(
while((am>30*p)||(am<=29.5*p)); M=hH:[6 &
printf("The final results:max alfa=%f\n",am/p); y2U^7VrO
printf(" min ro=%f\n",ro); RG)!v6
getch(); K;u<-?En
} L]goHs
void ydgl() ORV~F0d<
{ d0=dt0*p; 4Em mh=A
s=0.5*h*(1-cos(d)); G' ~Z'
ds=0.5*h*PI*sin(d)/d0; {/C
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r=sqrt(ro*ro-e*e); 4X@
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if((s+r)==0) p. eq
N
return; G 1rsd
al=atan((ds-e)/(s+r)); X4:\Shb97
if(al>am) 1XAXokxj
am=al; gJ_{V;R
}