float_ranges.h

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// SPDX-FileCopyrightText: © 2020-2022, 2024-2026 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense

 
#pragma once
 
#include <cstdint>
#include <span>
 
namespace zrythm::utils::float_ranges
{

[[using gnu: hot]] void
fill (std::span<float> buf, float val);

[[using gnu: hot]] void
clip (std::span<float> buf, float minf, float maxf);

[[using gnu: hot]] void
copy (std::span<float> dest, std::span<const float> src);

[[using gnu: hot]] void
mul_k2 (std::span<float> dest, float k);

[[nodiscard]] float
abs_max (std::span<const float> buf);

float
min (std::span<const float> buf);

float
max (std::span<const float> buf);

[[using gnu: hot]] void
add2 (std::span<float> dest, std::span<const float> src);

[[using gnu: hot]] void
product (std::span<float> dest, std::span<const float> src, float k);

[[using gnu: hot]] void
mix_product (std::span<float> dest, std::span<const float> src, float k);

[[using gnu: hot]] void
reverse (std::span<float> dest, std::span<const float> src);

[[using gnu: hot]] void
normalize (std::span<float> dest, std::span<const float> src);

void
linear_fade_in_from (
  std::span<float> dest,
  int32_t          start_offset,
  int32_t          total_frames_to_fade,
  float            fade_from_multiplier);

void
linear_fade_out_to (
  std::span<float> dest,
  int32_t          start_offset,
  int32_t          total_frames_to_fade,
  float            fade_to_multiplier);

void
make_mono (std::span<float> l, std::span<float> r, bool equal_power);
 
}; // zrythm::utils::float_ranges