# i nclude<stdio.h> ac!!1lwA
# i nclude<stdio.h> 0s!';g Q
# i nclude<math.h> s8.SEk|pB
#define PI 3.1415926 pD17r}%
void ydgl(); Xe2Zf
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; wl /1~!
int f; Yfr4<;%
main() I7XJPc4}
{ printf("Determaination the prime circle of cam\n"); g[Q+DT
printf("----------------------------\n"); +3[8EM#g
printf( "input ro=");scanf("%f",&ro); '!<gPAVTzV
printf("input h=");scanf("%f",&h); ;<l#k7 /
printf("input e=");scanf("%f",&e); t.Yf8Gy
printf("input dt0=");scanf("%f",&dt0); Q.,2G7[ <
am=0;p=PI/180; 2rxz<ck(
printf("The initial data:ro=%f\n",ro); txik{' :
printf("h=%f e=%f dt0=%f\n",h,e,dt0); l i)
5o
do \b*z<Odv
{ro=ro+5; \l1==,wk
for(f=0;f<=dt0;f=f+2) X/ lmj_v
{d=PI*f/dt0; mtmTlGp6Lc
ydgl(); G^Va$ike
} T^icoX=c4
} B[s
while(am>30*p); *RM 3_
printf("The intermediate results: am=%f\n",am/p); UDW_?SHAx
printf("ro=%f\n",ro); \}71pzw(
do tU0jFBB
{ro=ro-1; qLV3Y?S!L
if(ro<e) dh_c`{9
break; G%ZP`
_tRRIW"Vx"
for(f=0;f<=dt0;f=f+2) GH \
Sy
{d=PI*f/dt0; 8.:WMH`
ydgl(); a"&cm'\lL
} {fJCj152.
} H128T8?r[
while((am>30*p)||(am<=29.5*p)); u|cP&^S
printf("The final results:max alfa=%f\n",am/p); #$
4g&8
printf(" min ro=%f\n",ro); 3EHB~rL/C
getch();
ejc>
} )=VAEQhL-
void ydgl() wJC F"e
{ d0=dt0*p; WbwwI)1
s=0.5*h*(1-cos(d)); @'<=EAXe
ds=0.5*h*PI*sin(d)/d0; uUb`Fy9
r=sqrt(ro*ro-e*e); i5aY{3!
if((s+r)==0) Tje(hnN
return; Y/sZPG}4
al=atan((ds-e)/(s+r)); V8Ri2&|3
if(al>am) M!aJKpf
am=al; t.#ara{
}