# i nclude<stdio.h> J3Mb]X)_}
# i nclude<stdio.h> 0bNvmZ$
# i nclude<math.h> e5h*GKF
#define PI 3.1415926 ]' mbHkn68
void ydgl(); Otn,UoeeB
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; s>rR\`
int f; LzygupxY!
main() lG*Rw-?a
{ printf("Determaination the prime circle of cam\n"); &[.5@sv
printf("----------------------------\n"); `S&a.k
printf( "input ro=");scanf("%f",&ro); l/$GF|`U
printf("input h=");scanf("%f",&h); UN I< r
printf("input e=");scanf("%f",&e); *P()&}JK
printf("input dt0=");scanf("%f",&dt0); Er~ 17$b
am=0;p=PI/180; d{
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printf("The initial data:ro=%f\n",ro); :dmE/Tq
printf("h=%f e=%f dt0=%f\n",h,e,dt0); C3AWXO ^
do l }{{7~C`
{ro=ro+5; We+rFk1ddt
for(f=0;f<=dt0;f=f+2) ~iw&^p|=K
{d=PI*f/dt0; ]`o5eByo
ydgl(); iP/v"g"g
} g14*6O:
} t@RYJmW
while(am>30*p); 1CtUf7 `/Q
printf("The intermediate results: am=%f\n",am/p); [^>XRBSm
printf("ro=%f\n",ro); }E`Y.=
S
do mDD.D3RS
{ro=ro-1; Gk;YAI
if(ro<e)
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break; K/4@2vF
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for(f=0;f<=dt0;f=f+2) >WLPE6E
{d=PI*f/dt0; ?z
,!iK`
ydgl(); &|SWy
2N
} !U`&a=k
} h!"2Ux3!x
while((am>30*p)||(am<=29.5*p)); F<4rn
printf("The final results:max alfa=%f\n",am/p); I-v}
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printf(" min ro=%f\n",ro); ` Xc7b
getch(); :XKYfc_y
} 5f0M{J,KC
void ydgl() [X(m[u '%
{ d0=dt0*p; + a#&W}K
s=0.5*h*(1-cos(d)); 0'q4=!l
ds=0.5*h*PI*sin(d)/d0; , 5'o>Y
r=sqrt(ro*ro-e*e); Y#U.9>h
if((s+r)==0) v|?@k^Ms
return; uLms0r\@!
al=atan((ds-e)/(s+r)); G
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if(al>am) jKS j );
am=al; d[9,J?'OQ
}