# i nclude<stdio.h> ne4c%?>t
# i nclude<stdio.h> (#o t^
# i nclude<math.h> _ h9o@
#define PI 3.1415926 ~*}$>@f{[X
void ydgl(); tPU-1by$
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; o G_C?(7>
int f; Q[PK`*2)
main() vXdZmYrC
{ printf("Determaination the prime circle of cam\n"); S`iR9{+&
printf("----------------------------\n"); ES}. xZ#~
printf( "input ro=");scanf("%f",&ro); A
WHU'
printf("input h=");scanf("%f",&h); )KY:m |Z
printf("input e=");scanf("%f",&e); m'x;,xfY&F
printf("input dt0=");scanf("%f",&dt0); ,Ff n)+
am=0;p=PI/180; sDC*J\X
printf("The initial data:ro=%f\n",ro); VFj(M
j`}G
printf("h=%f e=%f dt0=%f\n",h,e,dt0); !][F
do {)@D`{$
{ro=ro+5; gnLn7?
for(f=0;f<=dt0;f=f+2) Jdj?I'XtY
{d=PI*f/dt0; zizk7<?L.
ydgl(); [2
zt ^
} Z\? E3j
} >(3\kiYS
while(am>30*p); nY_?Jq
printf("The intermediate results: am=%f\n",am/p); |P~;C6sf
printf("ro=%f\n",ro); SfB8!V|;
do ?j{C*|yHO
{ro=ro-1; kl}Xmw{tJ
if(ro<e) 9(, @aZ
break; R7?29?$7
OgCy4_a[f
for(f=0;f<=dt0;f=f+2) @r;wobt
{d=PI*f/dt0; j6g@tx^)'
ydgl(); riCV&0"n
} )oU)}asY
} 7:Ztuc]
while((am>30*p)||(am<=29.5*p)); osHCg
printf("The final results:max alfa=%f\n",am/p); ]@
M5_%p
printf(" min ro=%f\n",ro); 6f)2 F<
7
getch(); Tu m_aI
} K84^Oq
void ydgl() bRo|uJ:d
{ d0=dt0*p; SO{p ;g
s=0.5*h*(1-cos(d)); jQh^WmN
ds=0.5*h*PI*sin(d)/d0; sL^yB
r=sqrt(ro*ro-e*e); ~i0R^qfr
if((s+r)==0) 0g=`DSC<(
return; Ev9> @~^
al=atan((ds-e)/(s+r)); aFj.i8+
if(al>am) q%/uQT?
am=al; 4Ysb5m)u
}