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Fix julia variation. Closes issue 10.

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This commit is contained in:
Steven Robertson 2011-06-16 13:42:17 -04:00
parent 8a3365712c
commit 9e74ff57ce
1 changed files with 5 additions and 9 deletions
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14
cuburn/code/variations.py
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@ -102,15 +102,11 @@ var(12, 'ex', """
""")
var(13, 'julia', """
float power = 2.0f;
float t_rnd = truncf(mwc_next_01(rctx) * fabsf(power));
float a = atan2f(tx, ty);
float tmpr = (a + 2.0f * M_PI * t_rnd) / power;
float cn = 0.5f;
float r = w * powf(tx * tx + ty * ty, cn);
ox += r * cosf(tmpr);
oy += r * sinf(tmpr);
float a = 0.5f * atan2f(tx, ty);
if (mwc_next(rctx) & 1) a += M_PI;
float r = w * sqrtf(sqrtf(tx*tx + ty*ty)); // TODO: fastest?
ox += r * cosf(a);
oy += r * sinf(a);
""")
var(14, 'bent', """