# i nclude<stdio.h> bupDnTF
# i nclude<stdio.h> WY" `wM
# i nclude<math.h> %P-z3 0FHp
#define PI 3.1415926 Ce_ES.
void ydgl(); p>GxSE)
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; SpiI9)gp
int f; B]5G"4,
main() Kq2,J&Ca3
{ printf("Determaination the prime circle of cam\n"); YVB\9{H?
printf("----------------------------\n"); MLn \b0
printf( "input ro=");scanf("%f",&ro); @b"J FB|
printf("input h=");scanf("%f",&h); q~*>
printf("input e=");scanf("%f",&e); Dg2=;)"L
printf("input dt0=");scanf("%f",&dt0); w-9fskd6e
am=0;p=PI/180; qx<h rC0Z&
printf("The initial data:ro=%f\n",ro); %,[p[`NRYR
printf("h=%f e=%f dt0=%f\n",h,e,dt0); !_My]>S
do zeG_H}[2&
{ro=ro+5; W:
vw.
for(f=0;f<=dt0;f=f+2) bClMM
{d=PI*f/dt0; t^-yK;`?q:
ydgl(); HCTjFW>C
} 0NMekVi
} +Q6}kbDI
while(am>30*p); 1dahVc1W
printf("The intermediate results: am=%f\n",am/p); RkuPMs
Hw;
printf("ro=%f\n",ro); f|X./J4Bl
do ^&6'FE
{ro=ro-1; ffqz
:6
if(ro<e) yYM_
break; s j{i
fd}
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for(f=0;f<=dt0;f=f+2) ?E:L6,a
{d=PI*f/dt0; @,{',
=L6
ydgl(); Q]d3a+dK
} ,/>hWAx
} =UW!
7OzC
while((am>30*p)||(am<=29.5*p)); T,eP&IN
printf("The final results:max alfa=%f\n",am/p); ypK1
sw
printf(" min ro=%f\n",ro);
B1!b@0^
getch(); ow{Ss X
} OPsg3pW!]
void ydgl() kxp, ZP
{ d0=dt0*p; J` J^C
s=0.5*h*(1-cos(d)); 43 h0i-%1
ds=0.5*h*PI*sin(d)/d0; b7_uT`<
r=sqrt(ro*ro-e*e); aOH$}QnS
if((s+r)==0) EgT2a
return; Q(\U'|%J
al=atan((ds-e)/(s+r)); SsE8;IGH
if(al>am) *6trK`tx^
am=al; ]d|:&h
}