forked from personal/squiggle.c
formatting pass.
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@ -31,7 +31,7 @@ uint32_t xorshift32(uint32_t* seed)
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// Unit distributions
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float sample_unit_uniform(uint32_t* seed)
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{
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// samples uniform from [0,1] interval.
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// samples uniform from [0,1] interval.
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return ((float)xorshift32(seed)) / ((float)UINT32_MAX);
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}
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@ -50,7 +50,6 @@ float sample_uniform(float from, float to, uint32_t* seed)
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return sample_unit_uniform(seed) * (to - from) + from;
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}
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float sample_normal(float mean, float sigma, uint32_t* seed)
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{
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return (mean + sigma * sample_unit_normal(seed));
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@ -63,9 +62,9 @@ float sample_lognormal(float logmean, float logsigma, uint32_t* seed)
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float sample_to(float low, float high, uint32_t* seed)
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{
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// Given a (positive) 90% confidence interval,
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// returns a sample from a lognormal
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// with a matching 90% c.i.
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// Given a (positive) 90% confidence interval,
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// returns a sample from a lognormal
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// with a matching 90% c.i.
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const float NORMAL95CONFIDENCE = 1.6448536269514722;
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float loglow = logf(low);
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float loghigh = logf(high);
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