# i nclude<stdio.h> LKB$,pR~1l
# i nclude<stdio.h> .k%72ez
# i nclude<math.h> x_Y!5yg
E
#define PI 3.1415926 :uS\3toj
void ydgl(); CI0C1/:@
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; 9wUkh}s
int f; r.&Vw|*>
main() ? pmHFlx
{ printf("Determaination the prime circle of cam\n"); <8&au(I,vB
printf("----------------------------\n"); A2Ed0|B y
printf( "input ro=");scanf("%f",&ro); 9d659iC
printf("input h=");scanf("%f",&h); 1W
LXM^4
printf("input e=");scanf("%f",&e); >Eto(
y"q
printf("input dt0=");scanf("%f",&dt0); kd(8I_i@
am=0;p=PI/180; k@J&IJ
printf("The initial data:ro=%f\n",ro); S!CC
}3zw
printf("h=%f e=%f dt0=%f\n",h,e,dt0); 9G5rcYi
do RWZSQ~
{ro=ro+5; V! A~K
for(f=0;f<=dt0;f=f+2) ~L\z8[<C
{d=PI*f/dt0; Z]Cq3~l
ydgl(); `p-cSxR_
} 9wwqcx)3(
} s~g *@K >+
while(am>30*p); u'DRN,h+
printf("The intermediate results: am=%f\n",am/p); D_*WYV
printf("ro=%f\n",ro); _S1>j7RQo
do CYP q#rd
{ro=ro-1; s} ;{ZAtE
if(ro<e) cp7=epho
break; D=Gtq6jd
Qn.om=KDs@
for(f=0;f<=dt0;f=f+2) 2r?G6D|
{d=PI*f/dt0; -;m0R
ydgl(); l<LI7Z]A
} <0&*9ZeD
} OKR
"4n:
while((am>30*p)||(am<=29.5*p)); $ @`V
printf("The final results:max alfa=%f\n",am/p); 0@iY:aF
printf(" min ro=%f\n",ro); [D4SW#
getch(); #rfiD%c
} m8hk:4Ae
void ydgl() *fS"ym@
{ d0=dt0*p; K`zdc`/
s=0.5*h*(1-cos(d)); )yZ^[uJ}3C
ds=0.5*h*PI*sin(d)/d0; ;))+>%SGCt
r=sqrt(ro*ro-e*e); c9 _rmz8
if((s+r)==0) mnX2a
return; @,7GaK\
al=atan((ds-e)/(s+r)); #a,PZDaE
if(al>am) k(G^z
am=al; f+)L#>Gl?
}