dsps_dct.h

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// Copyright 2018-2020 Espressif Systems (Shanghai) PTE LTD
//
// 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 _dsps_dct_H_
#define _dsps_dct_H_
#include "dsp_err.h"
#include "sdkconfig.h"
 
#ifdef __cplusplus
extern "C"
{
#endif

esp_err_t dsps_dct_f32(float *data, int N);
 

esp_err_t dsps_dctiv_f32(float *data, int N);

esp_err_t dsps_dstiv_f32(float *data, int N);

esp_err_t dsps_dct_inv_f32(float *data, int N);


esp_err_t dsps_dct_f32_ref(float *data, int N, float *result);
esp_err_t dsps_dct_inverce_f32_ref(float *data, int N, float *result);
 
 
#ifdef __cplusplus
}
#endif
 
#endif // _dsps_dct_H_