Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Michael Niedermayer authored on 2011/11/19 21:55:51... | ... |
@@ -237,6 +237,16 @@ static void draw_mandelbrot(AVFilterContext *ctx, uint32_t *color, int linesize, |
237 | 237 |
outr= inr*inr - ini*ini + cr;\ |
238 | 238 |
outi= 2*inr*ini + ci; |
239 | 239 |
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240 |
+#define Z_Z2_C_ZYKLUS(outr,outi,inr,ini, Z)\ |
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241 |
+ Z_Z2_C(outr,outi,inr,ini)\ |
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+ if(use_zyklus){\ |
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+ if(Z && mb->zyklus[i>>1][0]==outr && mb->zyklus[i>>1][1]==outi)\ |
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+ break;\ |
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+ mb->zyklus[i][0]= outr;\ |
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+ mb->zyklus[i][1]= outi;\ |
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+ } |
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+ |
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+ |
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240 | 250 |
for(i=0; i<mb->maxiter; i++){ |
241 | 251 |
double t; |
242 | 252 |
if(zr*zr + zi*zi > mb->bailout){ |
... | ... |
@@ -247,19 +257,9 @@ static void draw_mandelbrot(AVFilterContext *ctx, uint32_t *color, int linesize, |
247 | 247 |
c= lrintf((sin(zr)+1)*127) + lrintf((sin(zr/1.234)+1)*127)*256*256 + lrintf((sin(zr/100)+1)*127)*256; |
248 | 248 |
break; |
249 | 249 |
} |
250 |
- Z_Z2_C(t, zi, zr, zi) |
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- if(use_zyklus){ |
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- mb->zyklus[i][0]= t; |
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- mb->zyklus[i][1]= zi; |
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- } |
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+ Z_Z2_C_ZYKLUS(t, zi, zr, zi, 0) |
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255 | 251 |
i++; |
256 |
- Z_Z2_C(zr, zi, t, zi) |
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- if(use_zyklus){ |
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- if(mb->zyklus[i>>1][0]==zr && mb->zyklus[i>>1][1]==zi) |
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- break; |
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- mb->zyklus[i][0]= zr; |
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- mb->zyklus[i][1]= zi; |
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- } |
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+ Z_Z2_C_ZYKLUS(zr, zi, t, zi, 1) |
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263 | 253 |
} |
264 | 254 |
if(!c){ |
265 | 255 |
if(mb->inner==PERIOD){ |