# i nclude<stdio.h> #e[S+a
# i nclude<stdio.h> <CcSChCg
# i nclude<math.h> 782 oXyD
#define PI 3.1415926 Z5V_?bm$
void ydgl(); R('\i/fy
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; 8 4lT# ^q
int f; _G$21=
main() )GfL?'Z
{ printf("Determaination the prime circle of cam\n"); @rv)J[7Y&
printf("----------------------------\n"); ?BX}0RWMh7
printf( "input ro=");scanf("%f",&ro); g;7W%v5wqk
printf("input h=");scanf("%f",&h); D/ tCB-+
printf("input e=");scanf("%f",&e); {wl7&25
printf("input dt0=");scanf("%f",&dt0); Jz]OWb *
am=0;p=PI/180; y5j ;Daq
printf("The initial data:ro=%f\n",ro); q8)wAl
printf("h=%f e=%f dt0=%f\n",h,e,dt0); ;v!Ef"E|cV
do BS2'BS8
{ro=ro+5; 5`6U:MDq
for(f=0;f<=dt0;f=f+2) u}?|d8$h\
{d=PI*f/dt0; mLV0J '
ydgl(); q26qY5D
} NE><(02qW
} oT!i}TW?o
while(am>30*p); !TN)6e7`
printf("The intermediate results: am=%f\n",am/p); Ekn3ODz,
printf("ro=%f\n",ro); "[sr0'g:
do sVH
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{ro=ro-1; 6H!l>@a7v
if(ro<e) ~uG/F?= Q:
break; g'9~T8i& ^
\"X_zM
for(f=0;f<=dt0;f=f+2) ,E8g~ZUY9
{d=PI*f/dt0; JF'<""
ydgl(); HOr Xxxp1^
} I :8s 3;
} [[O4_)?el
while((am>30*p)||(am<=29.5*p)); ~"Su2{"8B
printf("The final results:max alfa=%f\n",am/p); vCn~-Q
printf(" min ro=%f\n",ro); j>5X^Jd
getch(); xx G>Leml
} lSy_cItF
void ydgl() RSx{Gbd4X
{ d0=dt0*p; 4j(*%da
s=0.5*h*(1-cos(d)); FjW%M;H
ds=0.5*h*PI*sin(d)/d0; mln%Rd6u/
r=sqrt(ro*ro-e*e); B}@CtVWFz
if((s+r)==0) RLO<5L
return; 1I%niQv5t
al=atan((ds-e)/(s+r)); 59(kk;
if(al>am) zhh6;>P
am=al; _y:aPn
}