prom/include/prom_metric.h

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/*
Copyright 2019-2020 DigitalOcean Inc.
Copyright 2021 Jens Elkner <jel+libprom@cs.uni-magdeburg.de>

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

     http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

#ifndef PROM_METRIC_H
#define PROM_METRIC_H

#include <math.h>

#ifdef NAN
#define NaN NAN
#else
#define NaN (0.0f / 0.0f)
#endif

#include "prom_metric_sample.h"
#include "prom_metric_sample_histogram.h"

struct prom_metric;
typedef struct prom_metric prom_metric_t;

pms_t *pms_from_labels(prom_metric_t *self, const char **label_values);

pms_histogram_t *pms_histogram_from_labels(prom_metric_t *self, const char **label_values);

#endif  // PROM_METRIC_H