Blame noise.h

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#ifndef NOISE_H
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#define NOISE_H
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/* Can be overrriden with any code that produces whitenoise between 0.0f and
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 * 1.0f, eg (random() / (float)RAND_MAX) should be a good source of noise, but
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 * its expensive */
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#ifndef GDITHER_NOISE
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#define GDITHER_NOISE gdither_noise()
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#endif
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#include <stdint.h>
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inline static float gdither_noise()
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{
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    static uint32_t rnd = 23232323;
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    rnd = (rnd * 196314165) + 907633515;
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    return rnd * 2.3283064365387e-10f;
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}
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#endif