controller-wisetopdataserver/python/biopro/ext/sample.h

#include "Python.h"

#ifndef _BPS_SAMPLE_H_
#define _BPS_SAMPLE_H_

#define SAMPLE_MODE_RAW 0
#define SAMPLE_MODE_FIRST 1
#define SAMPLE_MODE_AVG 2

typedef struct {
    unsigned int time_step;
    unsigned int count;
    double       value;
} ReSampleEntry;

void ReSampleEntry_add_value(unsigned int mode, ReSampleEntry *self, int value) {
    switch (mode) {
    case SAMPLE_MODE_RAW:
    case SAMPLE_MODE_FIRST:
    default:
        if (self->count == 0) {
            self->count = 1;
            self->value = value;
        }
        break;
    case SAMPLE_MODE_AVG:
        // average value
        self->count++;
        self->value += value;
        break;
    }
}

int ReSampleEntry_value(unsigned int mode, ReSampleEntry *self, double *value) {
    if (self->count == 0) {
        return 0;
    } else {
        switch (mode) {
        case SAMPLE_MODE_RAW:
        case SAMPLE_MODE_FIRST:
        default:
            *value = self->value;
            break;
        case SAMPLE_MODE_AVG:
            // average value
            *value = self->value / self->count;
            break;
        }
        return 1;
    }
}

#endif