sfloat.h

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/*
 * Copyright (c) 2022 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
 
#ifndef SFLOAT_H_
#define SFLOAT_H_
 
#include <stdint.h>
#include <zephyr/types.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
enum sfloat_special {
        SFLOAT_NAN = 0x07FF,
 
        SFLOAT_NRES = 0x0800,
 
        SFLOAT_POS_INFINITY = 0x07FE,
 
        SFLOAT_NEG_INFINITY = 0x0802,
 
        SFLOAT_RESERVED = 0x0801,
};
 
struct sfloat {
        /* SFLOAT type encoded as 16-bit word that consists of the following fields:
         * 1. Exponent, encoded as 4-bit integer in two's-complement form.
         * 2. Mantissa, encoded as 12-bit integer in two's-complement form.
         */
        uint16_t val;
};
 
struct sfloat sfloat_from_float(float float_num);
 
#ifdef __cplusplus
}
#endif
 
#endif /* SFLOAT_H_ */