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LibAudio+LibDSP: Switch samples to 32-bit float instead of 64-bit float

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This has been overkill from the start, and it has been bugging me for a
long time. With this change, we're probably a bit slower on most
platforms but save huge amounts of space with all in-memory sample
datastructures.
This commit is contained in:
kleines Filmröllchen 2022-05-06 22:14:16 +02:00 • committed by Linus Groh
parent 39c0f31009
commit 19a4b820c4
16 changed files with 329 additions and 329 deletions
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10
Userland/Libraries/LibDSP/Window.h
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@ -27,17 +27,17 @@ public:
constexpr static FixedArray<T> blackman_harris(size_t size) { return make_window(size, calculate_blackman_harris); }
private:
constexpr static double calculate_hann(size_t index, size_t size)
constexpr static float calculate_hann(size_t index, size_t size)
{
return 0.5 * (1 - AK::cos((2 * AK::Pi<T> * index) / (size - 1)));
return 0.5f * (1 - AK::cos<float>((2 * AK::Pi<T> * index) / (size - 1)));
}
constexpr static double calculate_hamming(size_t index, size_t size)
constexpr static float calculate_hamming(size_t index, size_t size)
{
return 0.54 - 0.46 * AK::cos((2 * AK::Pi<T> * index) / (size - 1));
return 0.54f - 0.46f * AK::cos<float>((2 * AK::Pi<T> * index) / (size - 1));
}
constexpr static double calculate_blackman_harris(size_t index, size_t size)
constexpr static float calculate_blackman_harris(size_t index, size_t size)
{
T const a0 = 0.35875;
T const a1 = 0.48829;