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/*
* Copyright (C) 2020 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2020 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-dsp-lib
* Created on: 31 мар. 2020 г.
*
* lsp-dsp-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-dsp-lib is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-dsp-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_DSP_COMMON_FLOAT_H_
#define LSP_PLUG_IN_DSP_COMMON_FLOAT_H_
#include <lsp-plug.in/dsp/common/types.h>
/** Copy saturated data from source to destination.
* Avoid +Inf, -Inf values by replacing with large values
* Avoid +NaN, -NaN values by replacing with zeros
*
* @param dst destination pointer
* @param src source pointer
* @param count number of elements
*/
LSP_DSP_LIB_SYMBOL(void, copy_saturated, float *dst, const float *src, size_t count);
/** Saturate floating-point data in buffer
* Avoid +Inf, -Inf values by replacing with large values
* Avoid +NaN, -NaN values by replacing with zeros
*
* @param dst destination pointer
* @param count number of elements
*/
LSP_DSP_LIB_SYMBOL(void, saturate, float *dst, size_t count);
/** Limit floating-point data in buffer
* Avoid +Inf, -Inf values by replacing with 1.0 and -1.0
* Avoid +NaN, -NaN values by replacing with zeros
* Replace values greater than 1 with 1.0
* Replace values less than -1 with -1.0
*
* @param dst destination pointer
* @param src source pointer
* @param count number of elements
*/
LSP_DSP_LIB_SYMBOL(void, limit_saturate1, float *dst, size_t count);
/** Limit floating-point data in buffer and copy do destination
* Avoid +Inf, -Inf values by replacing with 1.0 and -1.0
* Avoid +NaN, -NaN values by replacing with zeros
* Replace values greater than 1 with 1.0
* Replace values less than -1 with -1.0
*
* @param dst destination pointer
* @param src source pointer
* @param count number of elements
*/
LSP_DSP_LIB_SYMBOL(void, limit_saturate2, float *dst, const float *src, size_t count);
/**
* Limit floating-point data in buffer
* Replace +Inf with max, -Inf, +NaN, -NaN with min
* Replace values greater than max with max,
* Replace values less than min with min
*
* @param dst destination buffer
* @param min minimum value
* @param max maximum value
* @param count number of samples
*/
LSP_DSP_LIB_SYMBOL(void, limit1, float *dst, float min, float max, size_t count);
/**
* Limit floating-point data in buffer
* Replace +Inf with max, -Inf, +NaN, -NaN with min
* Replace values greater than max with max,
* Replace values less than min with min
*
* @param dst destination buffer
* @param src source buffer
* @param min minimum value
* @param max maximum value
* @param count number of samples
*/
LSP_DSP_LIB_SYMBOL(void, limit2, float *dst, const float *src, float min, float max, size_t count);
/**
* Sanitize floating-point samples from NaN's, Inf's and denormal values
* Replaces the sanitized values with zeros
*
* @param dst destination buffer to sanitize
* @param count number of samples
*/
LSP_DSP_LIB_SYMBOL(void, sanitize1, float *dst, size_t count);
/**
* Sanitize floating-point samples from NaN's, Inf's and denormal values
* Replaces the sanitized values with zeros
*
* @param dst destination buffer to sanitize
* @param count number of samples
*/
LSP_DSP_LIB_SYMBOL(void, sanitize2, float *dst, const float *src, size_t count);
#endif /* LSP_PLUG_IN_DSP_COMMON_FLOAT_H_ */
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