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#ifndef ACC_F32_CORE_H
#define ACC_F32_CORE_H

#include "clib_common.h"
#include "jm_perf.h"
#include "dp_state.h"

#ifdef __cplusplus
extern "C"
{
#endif

  typedef struct
  {
    float acc;
  } acc_f32_state_t;

  acc_f32_state_t *acc_f32_create (float acc);

  void acc_f32_destroy (acc_f32_state_t *state);

  void acc_f32_reset (acc_f32_state_t *state);

  JM_FORCEINLINE JM_HOT void
  acc_f32_step (acc_f32_state_t *state, float x)
  {
    state->acc += x;
  }

  void acc_f32_steps (acc_f32_state_t *state, const float *input, size_t n);

  float acc_f32_get_acc (const acc_f32_state_t *state);

  void acc_f32_set_acc (acc_f32_state_t *state, float acc);

  float acc_f32_get (acc_f32_state_t *state);

  float acc_f32_dump (acc_f32_state_t *state);

  void acc_f32_madd (acc_f32_state_t *state, const float *x, size_t x_len,
                     const float *h, size_t h_len);

  void acc_f32_add2d (acc_f32_state_t *state, const float *x, size_t x_len);

  void acc_f32_madd2d (acc_f32_state_t *state, const float *x, size_t x_len,
                       const float *h, size_t h_len);

  /* ── Serializable state (standard bytes interface; see dp_state.h) ──────────
   * Whole-struct POD snapshot (pointer-free); the running accumulator resumes exactly into an
   * identically-built instance. */
#define ACC_F32_STATE_MAGIC DP_FOURCC ('A', 'C', 'C', 'F')
#define ACC_F32_STATE_VERSION 1u
  size_t acc_f32_state_bytes (const acc_f32_state_t *state);
  void    acc_f32_get_state (const acc_f32_state_t *state, void *blob);
  int     acc_f32_set_state (acc_f32_state_t *state, const void *blob);

#ifdef __cplusplus
}
#endif

#endif /* ACC_F32_CORE_H */