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Document the new DPF surfaces in one command set, and test the field, half-tree, and multipoint edges.

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Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Ryan Henry 2026-09-24 23:18:10 -06:00
parent 0d8a5a8131
commit 0dff6df8ed
250 changed files with 12199 additions and 1981 deletions
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32
include/grotto/easy_lut.hpp
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@ -23,7 +23,8 @@
namespace grotto
{
/// Piece `y_raw = round((c0 + c1·raw + c2·raw²) / den)`.
/// @brief Piece `y_raw = round((c0 + c1·raw + c2·raw²) / den)`.
/// @tparam Raw underlying representation
template <typename Raw>
struct easy_lut
{
@ -176,8 +177,11 @@ easy_lut<Raw> make_relu_lut(unsigned fractional_bits = 0)
});
}
/// Negative side is `x / 2^shift`, rounded to nearest, ties away from zero.
/// `shift == 0` is the identity. The slope does not depend on fractional width.
/// @brief Negative side is `x / 2^shift`, rounded to nearest, ties away from zero.
/// @details `shift == 0` is the identity. The slope does not depend on fractional width.
/// @tparam Raw underlying representation
/// @param shift the bit shift
/// @return Negative side is `x / 2^shift`, rounded to nearest, ties away from zero
template <typename Raw>
easy_lut<Raw> make_leaky_relu_lut(unsigned shift)
{
@ -248,7 +252,10 @@ easy_lut<Raw> make_hardtanh_lut(unsigned fractional_bits)
return make_clip_lut<Raw>(fractional_bits, -1, 1);
}
/// `0` on `[-1, 1]`, `x - 1` above, `x + 1` below.
/// @brief `0` on `[-1, 1]`, `x - 1` above, `x + 1` below.
/// @tparam Raw underlying representation
/// @param fractional_bits the number of fractional bits
/// @return `0` on `[-1, 1]`, `x - 1` above, `x + 1` below
template <typename Raw>
easy_lut<Raw> make_softshrink_lut(unsigned fractional_bits)
{
@ -270,7 +277,10 @@ easy_lut<Raw> make_softshrink_lut(unsigned fractional_bits)
});
}
/// `0` on `[-1, 1]`, identity outside. Lambda is the integer 1.
/// @brief `0` on `[-1, 1]`, identity outside. Lambda is the integer 1.
/// @tparam Raw underlying representation
/// @param fractional_bits the number of fractional bits
/// @return `0` on `[-1, 1]`, identity outside
template <typename Raw>
easy_lut<Raw> make_hardshrink_lut(unsigned fractional_bits)
{
@ -290,7 +300,11 @@ easy_lut<Raw> make_hardshrink_lut(unsigned fractional_bits)
});
}
/// `0` left of `-3`, `1` right of `3`, `(x + 3) / 6` between, rounded.
/// @brief `0` left of `-3`, `1` right of `3`, `(x + 3) / 6` between, rounded.
/// @tparam Raw underlying representation
/// @param fractional_bits the number of fractional bits
/// @return `0` left of `-3`, `1` right of `3`, `(x + 3) / 6` between, rounded
/// @throws std::invalid_argument if `fractional width does not fit`
template <typename Raw>
easy_lut<Raw> make_hardsigmoid_lut(unsigned fractional_bits)
{
@ -316,7 +330,11 @@ easy_lut<Raw> make_hardsigmoid_lut(unsigned fractional_bits)
});
}
/// `0` left of `-3`, `x` right of `3`, `x(x + 3) / 6` between, rounded.
/// @brief `0` left of `-3`, `x` right of `3`, `x(x + 3) / 6` between, rounded.
/// @tparam Raw underlying representation
/// @param fractional_bits the number of fractional bits
/// @return `0` left of `-3`, `x` right of `3`, `x(x + 3) / 6` between, rounded
/// @throws std::invalid_argument if `fractional width does not fit the denominator`
template <typename Raw>
easy_lut<Raw> make_hardswish_lut(unsigned fractional_bits)
{