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22 lines
469 B
22 lines
469 B
9 years ago
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#pragma once
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#include <stdlib.h>
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#include <stdint.h>
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typedef struct {
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float * buf; // buffer (allocated at init)
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size_t cap; // capacity
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size_t nw; // next write index
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float mean; // updated on write
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} meanbuf_t;
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/** Init a buffer */
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void meanbuf_init(meanbuf_t *mb, size_t size);
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/** Deinit a buffer (free buffer array) */
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void meanbuf_deinit(meanbuf_t *mb);
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/** Add a value to the buffer. Returns current mean. */
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float meanbuf_add(meanbuf_t *mb, float f);
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