# i nclude<stdio.h> }'Ph^
%ox
# i nclude<stdio.h> Vt:\llsin
# i nclude<math.h> zjzEmX
#define PI 3.1415926 Fl}!3k>c
void ydgl(); b*4aUpW
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; +-|}<mq
int f; sn]D7Ae
main() ubc
k{\.
{ printf("Determaination the prime circle of cam\n"); ;Eh"]V,e
printf("----------------------------\n"); RLcC>Z
printf( "input ro=");scanf("%f",&ro); ?yu@eo
printf("input h=");scanf("%f",&h); _rz\[{)
printf("input e=");scanf("%f",&e); 9#kk5 )J
printf("input dt0=");scanf("%f",&dt0); ;Zn&Nc7
am=0;p=PI/180; uO1^nK
printf("The initial data:ro=%f\n",ro); Mhc5<~?
printf("h=%f e=%f dt0=%f\n",h,e,dt0); }9FWtXAU^1
do RJ{J~-q{
{ro=ro+5; Dw
y|mxlFn
for(f=0;f<=dt0;f=f+2) ezri9\Ju
{d=PI*f/dt0; 0wAB;|~*62
ydgl(); u`Kc\BSn
} S"`{ JCW$
} yh).1Q-D
while(am>30*p); I*/:rb
printf("The intermediate results: am=%f\n",am/p); %ofq
printf("ro=%f\n",ro); rd"!&i
do ++ObsWZ
{ro=ro-1; w{]B)>! 1W
if(ro<e) ZZc^~
break; B~,?Gbl+g
3K/]{ dkD
for(f=0;f<=dt0;f=f+2) l>J%Q^
{d=PI*f/dt0; -iFFXESVX
ydgl(); =`Ky N/
} Yq:/dpA_
} `>RM:!m6=$
while((am>30*p)||(am<=29.5*p)); ]/AU_&
printf("The final results:max alfa=%f\n",am/p); qoW$Iw*q)B
printf(" min ro=%f\n",ro); ?}EWfsA
getch(); P]L%$!g
} -^8OjGat
void ydgl() >y!O_@>z
{ d0=dt0*p; A{\DzUV9,
s=0.5*h*(1-cos(d)); R@`xS<`L/
ds=0.5*h*PI*sin(d)/d0; OT"j V
r=sqrt(ro*ro-e*e); }g[Hi`
if((s+r)==0) ?DnQU"_$
return; F)19cKx7
al=atan((ds-e)/(s+r)); Iv{iJoe;UH
if(al>am) `wSoa#U"@
am=al; #W8c)gkG9
}