# i nclude<stdio.h> .v<Q-P\8/
# i nclude<stdio.h> f;";P
# i nclude<math.h> e}V3dC^pU
#define PI 3.1415926 Z.:g8Xl-6
void ydgl(); +-8S,Rg@
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; GJ1ap^k
int f; OB-gH3:
main() CVo2?ZQ
{ printf("Determaination the prime circle of cam\n"); (- ]A1WQ?
printf("----------------------------\n"); 1D@'uApi.
printf( "input ro=");scanf("%f",&ro); % Q| >t~
printf("input h=");scanf("%f",&h); ){'Ef_/R
printf("input e=");scanf("%f",&e); ^P)W/2
printf("input dt0=");scanf("%f",&dt0); x+1Cs$E;
am=0;p=PI/180; RZKdh}B?\
printf("The initial data:ro=%f\n",ro); V(/ @$&
printf("h=%f e=%f dt0=%f\n",h,e,dt0); xV]eEOiLM
do AC`4n|,zJ;
{ro=ro+5; os<YfMM<:/
for(f=0;f<=dt0;f=f+2) }a=<Gl|I;w
{d=PI*f/dt0; T~=r*4
ydgl(); TgFj-"L\
} 6
GL.bS
} Io8h 8N-
while(am>30*p); 4$HU=]b6Tf
printf("The intermediate results: am=%f\n",am/p); . \/jy]Y
printf("ro=%f\n",ro); 6.uyY@Yx
do $>Y2N5
{ro=ro-1; gG^A6Ol%D
if(ro<e) }@+3QHwYU
break; R8Kj3wp
rt5FecX\
for(f=0;f<=dt0;f=f+2) 6oh\#v3zV
{d=PI*f/dt0; (Nzup3j
ydgl(); |@Cx%aEKU
} Wc6Jgpl
} %Y0,ww2
while((am>30*p)||(am<=29.5*p)); k/U1
: 9
printf("The final results:max alfa=%f\n",am/p); 7FQ&LF46
printf(" min ro=%f\n",ro); .?<M$38fv
getch(); >v
sy P
} 2N)siH
void ydgl() p,(gv])ie
{ d0=dt0*p; :>y?B!=
s=0.5*h*(1-cos(d)); SVJL|S 3k
ds=0.5*h*PI*sin(d)/d0; 2 %`~DVo
r=sqrt(ro*ro-e*e); ^(w%m#
if((s+r)==0) >#9f{
return; H K]-QTEn
al=atan((ds-e)/(s+r)); $oPx2sb
if(al>am) 8Uv2p{ <#
am=al; yniXb2iM
}