25 lines
696 B
C
25 lines
696 B
C
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#ifndef __VARIABLE_H__
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#define __VARIABLE_H__
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typedef struct
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{
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double weight;
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double sum;
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double sum2;
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} Variable;
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#define VARIABLE_INIT { 0.0, 0.0, 0.0 }
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void variable_init (Variable *variable);
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void variable_add_weighted (Variable *variable,
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double value,
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double weight);
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void variable_add (Variable *variable,
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double value);
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double variable_mean (Variable *variable);
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double variable_standard_deviation (Variable *variable);
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void variable_reset (Variable *variable);
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#endif /* __VARIABLE_H__ */
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