# i nclude<stdio.h> ^Nc\D7( l
# i nclude<stdio.h> @w|~:>/g
# i nclude<math.h> b8`O7@ar
#define PI 3.1415926 q&P"
void ydgl(); zfxxPL'
float d,am,ro,e,h,p,dt0,d0,s,ds,r,al; rN>f"/J
|
int f; g4~{#P^i
main() \s)j0F)
{ printf("Determaination the prime circle of cam\n"); -aec1+o
printf("----------------------------\n"); ,D#~%kq~
printf( "input ro=");scanf("%f",&ro); _/PjeEm
$p
printf("input h=");scanf("%f",&h); q|Ga
printf("input e=");scanf("%f",&e); e+&/Tq'2
printf("input dt0=");scanf("%f",&dt0); r?[Zf2&
am=0;p=PI/180; Xf Y]qQP
printf("The initial data:ro=%f\n",ro); ]i{-@Ven
printf("h=%f e=%f dt0=%f\n",h,e,dt0); $osDw1C
do t4 aa5@r
{ro=ro+5; ,{]>U'-
for(f=0;f<=dt0;f=f+2) ="XxS|Mq3
{d=PI*f/dt0; ==Y^~ab;K
ydgl(); -1U]@s
} PY) 74sa
} )C <sj
while(am>30*p); hL&z"_`
printf("The intermediate results: am=%f\n",am/p); [dUW3}APV
printf("ro=%f\n",ro); kkh#VGh"
do FVHEb\Z
{ro=ro-1; )2:d8J\
if(ro<e) /J5wwQ
(:
break; HhIa=,VY
g9
g
&]
for(f=0;f<=dt0;f=f+2) `@eQL[Z9x
{d=PI*f/dt0; mGoUF$9 k
ydgl(); iao_w'tJ
} NO;+:0n
} x.}iSE{
while((am>30*p)||(am<=29.5*p)); DQwbr\xy\
printf("The final results:max alfa=%f\n",am/p); [{'` |
printf(" min ro=%f\n",ro); -u8 ma%JW
getch(); "-\I?k
} QL
void ydgl() 0urQA_JC
{ d0=dt0*p; `43E-'g
s=0.5*h*(1-cos(d)); k`xPf\^tf
ds=0.5*h*PI*sin(d)/d0; \iO
,y:
r=sqrt(ro*ro-e*e); J4=~.&6
if((s+r)==0) "y#$| TMB
return; 02?y%
al=atan((ds-e)/(s+r)); vr2t MD
if(al>am) SmC91XO
am=al; +.gZILw
}