# i nclude<stdio.h> Qe6'W
# i nclude<stdio.h> >#[u"CB
# i nclude<math.h> :Q@qR((&o
#define PI 3.1415926 d2!A32m
void ydgl(); Dno'-{-
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; ET[vJnReC
int f; ^jiYcg@_[
main() ]?$eBbt
{ printf("Determaination the prime circle of cam\n"); dhAkD-Lh
printf("----------------------------\n"); 8M DX()Bm
printf( "input ro=");scanf("%f",&ro); HLYTt)f}
printf("input h=");scanf("%f",&h); + yF._Ie=
printf("input e=");scanf("%f",&e); @VVDN
printf("input dt0=");scanf("%f",&dt0); D') m8:>
am=0;p=PI/180; jLy3c@Dp
printf("The initial data:ro=%f\n",ro); %9qG|A,cA
printf("h=%f e=%f dt0=%f\n",h,e,dt0); 2VgDM6h
do X4bB
{ro=ro+5;
8FmRD
for(f=0;f<=dt0;f=f+2) 6_.K9;Gd
{d=PI*f/dt0; S.#IC
lV
ydgl(); `]q>A']Dl
} UDUj
} 6hvmp
while(am>30*p); 6*({ZE
printf("The intermediate results: am=%f\n",am/p); Y4 <
printf("ro=%f\n",ro); I5$@1+B
do :{YOJDtR
{ro=ro-1; ox2?d<dC6
if(ro<e) =%\y E0#
break; #go!"HL
E<|p9,M
for(f=0;f<=dt0;f=f+2) '0juZ~>}
{d=PI*f/dt0; 4 )U,A~!
ydgl(); l?AWG&
} F*bmV>Qq
} Uo7V)I;o
while((am>30*p)||(am<=29.5*p)); n>
>!dg Og
printf("The final results:max alfa=%f\n",am/p); X4D>
printf(" min ro=%f\n",ro); j%V95M%$
getch(); xMb)4 cw}
} wj'5D0
void ydgl() z'(][SB
{ d0=dt0*p; jYv`kt
s=0.5*h*(1-cos(d)); W_C#a'$
ds=0.5*h*PI*sin(d)/d0; V\ 7O)g
r=sqrt(ro*ro-e*e); \+STl#3*q
if((s+r)==0) QQB\$[M!Z
return; EzXGb
al=atan((ds-e)/(s+r)); rerl-T<3
if(al>am) ~ e4Pj`?=K
am=al; Buue][[
}