# i nclude<stdio.h> .E&-gXJ4
# i nclude<stdio.h> >uVr;,=y
# i nclude<math.h> BZ"+ ND9m_
#define PI 3.1415926 t Zqy \_G
void ydgl(); uwhb-.w
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; /G& %T
int f; ^Uq"hT(41
main() GEQ3r'B|
{ printf("Determaination the prime circle of cam\n"); L0dj 76'M
printf("----------------------------\n"); CH4 ~9mmE
printf( "input ro=");scanf("%f",&ro); \SQ wIM
printf("input h=");scanf("%f",&h); b@m\ca
printf("input e=");scanf("%f",&e); 1GI/gc\
printf("input dt0=");scanf("%f",&dt0); j_Qkw ?
am=0;p=PI/180; q;L~5q."E
printf("The initial data:ro=%f\n",ro); aEw wK(ny
printf("h=%f e=%f dt0=%f\n",h,e,dt0); |)+;d
do flzHZH
{ro=ro+5; CF_pIfbaf
for(f=0;f<=dt0;f=f+2) ExJexjOWI^
{d=PI*f/dt0; 9e>Dqlv
ydgl(); UqEpeLK
} [(PD2GO+
} ^;gwD4(hs
while(am>30*p); E|> oseR
printf("The intermediate results: am=%f\n",am/p); W&Pp5KR
printf("ro=%f\n",ro); j&
~`wGM
do eh5j
{ro=ro-1; .uwD;j
+#
if(ro<e) 'mR9Uqq\
break; ]v,>!~8r
i1k#WgvZR
for(f=0;f<=dt0;f=f+2) q#!]5
{d=PI*f/dt0; [K4wd%+
ydgl(); f!n0kXVu6U
} "Acc]CqH*
} l\%LT{$e
while((am>30*p)||(am<=29.5*p)); %?WR9}KU0
printf("The final results:max alfa=%f\n",am/p); ?OFl9%\ V
printf(" min ro=%f\n",ro); E3==gYCe*
getch(); j!;y!g
} /yn%0Wish
void ydgl() ne(zGJd
{ d0=dt0*p; z-X_O32
s=0.5*h*(1-cos(d)); 1?j['~aE
ds=0.5*h*PI*sin(d)/d0; !Ey=
r=sqrt(ro*ro-e*e); Q>[Xm)jr:
if((s+r)==0) a }m>
return; kvo V?<!
al=atan((ds-e)/(s+r)); r#;GVJR6
if(al>am) |A0)-sVZ
am=al; *sbZ{{]e
}