| 1 | #ifndef VECTOR_OPERATIONS_H
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| 2 | #define VECTOR_OPERATIONS_H
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| 3 |
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| 4 | #include <cstring>
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| 5 | #include <cmath>
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| 6 |
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| 7 | #ifdef USE_VDT
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| 8 | #include "vdt/vdtMath.h"
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| 9 | #include "vdt/stdwrap.h"
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| 10 | #define hl_exp vdt::fast_exp
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| 11 | #define hl_log vdt::fast_log
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| 12 | #define hl_sin vdt::fast_sin
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| 13 | #define hl_cos vdt::fast_cos
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| 14 | #define hl_tan vdt::fast_tan
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| 15 | #define hl_sqrt vdt::fast_sqrt
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| 16 | #define hl_pow vdt::fast_pow
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| 17 | #define hl_round vdt::fast_round
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| 18 | #else
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| 19 | #define hl_exp std::exp
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| 20 | #define hl_log std::log
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| 21 | #define hl_sin std::sin
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| 22 | #define hl_cos std::cos
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| 23 | #define hl_tan std::tan
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| 24 | #define hl_sqrt std::sqrt
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| 25 | #define hl_pow std::pow
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| 26 | #define hl_round std::round
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| 27 | #endif
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| 28 |
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| 29 | constexpr int BUFSIZE = 64;
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| 30 |
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| 31 | #define FOR(i) for(int i = 0; i < BUFSIZE; ++i)
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| 32 |
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| 33 | // When auto-vectorizing without __restrict,
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| 34 | // gcc and clang check for overlap (with a bunch of integer code)
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| 35 | // before running the vectorized loop
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| 36 |
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| 37 | // vector - vector operations
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| 38 | inline void load(double* __restrict a, double* __restrict b) noexcept { std::memcpy(a, b, BUFSIZE * sizeof(double)); }
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| 39 | inline void add(double* __restrict a, double* __restrict b) noexcept { FOR(i) a[i] += b[i]; }
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| 40 | inline void sub(double* __restrict a, double* __restrict b) noexcept { FOR(i) a[i] -= b[i]; }
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| 41 | inline void mul(double* __restrict a, double* __restrict b) noexcept { FOR(i) a[i] *= b[i]; }
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| 42 | inline void div(double* __restrict a, double* __restrict b) noexcept { FOR(i) a[i] /= b[i]; }
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| 43 | inline void exp(double* __restrict a, double* __restrict b) noexcept { FOR(i) a[i] = hl_exp(b[i]); }
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| 44 | inline void log(double* __restrict a, double* __restrict b) noexcept { FOR(i) a[i] = hl_log(b[i]); }
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| 45 | inline void sin(double* __restrict a, double* __restrict b) noexcept { FOR(i) a[i] = hl_sin(b[i]); }
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| 46 | inline void cos(double* __restrict a, double* __restrict b) noexcept { FOR(i) a[i] = hl_cos(b[i]); }
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| 47 | inline void tan(double* __restrict a, double* __restrict b) noexcept { FOR(i) a[i] = hl_tan(b[i]); }
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| 48 | inline void sqrt(double* __restrict a, double* __restrict b) noexcept { FOR(i) a[i] = hl_sqrt(b[i]); }
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| 49 | inline void pow(double* __restrict a, double* __restrict b) noexcept { FOR(i) a[i] = hl_pow(a[i], hl_round(b[i])); };
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| 50 | inline void root(double* __restrict a, double* __restrict b) noexcept { FOR(i) a[i] = hl_pow(a[i], 1 / hl_round(b[i])); };
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| 51 | inline void square(double* __restrict a, double* __restrict b) noexcept { FOR(i) a[i] = b[i] * b[i]; };
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| 52 |
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| 53 | // vector - scalar operations
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| 54 | inline void load(double* __restrict a, double s) noexcept { FOR(i) a[i] = s; }
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| 55 | inline void add(double* __restrict a, double s) noexcept { FOR(i) a[i] += s; }
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| 56 | inline void sub(double* __restrict a, double s) noexcept { FOR(i) a[i] -= s; }
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| 57 | inline void mul(double* __restrict a, double s) noexcept { FOR(i) a[i] *= s; }
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| 58 | inline void div(double* __restrict a, double s) noexcept { FOR(i) a[i] /= s; }
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| 59 |
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| 60 | // vector operations
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| 61 | inline void neg(double* __restrict a) noexcept { FOR(i) a[i] = -a[i]; }
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| 62 | inline void inv(double* __restrict a) noexcept { FOR(i) a[i] = 1 / a[i]; }
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| 63 | inline void exp(double* __restrict a) noexcept { FOR(i) a[i] = hl_exp(a[i]); }
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| 64 | inline void log(double* __restrict a) noexcept { FOR(i) a[i] = hl_log(a[i]); }
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| 65 | inline void sin(double* __restrict a) noexcept { FOR(i) a[i] = hl_sin(a[i]); }
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| 66 | inline void cos(double* __restrict a) noexcept { FOR(i) a[i] = hl_cos(a[i]); }
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| 67 | inline void sqrt(double* __restrict a) noexcept { FOR(i) a[i] = hl_sqrt(a[i]); }
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| 68 | inline void round(double* __restrict a) noexcept { FOR(i) a[i] = hl_round(a[i]); }
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| 69 | inline void square(double* __restrict a) noexcept { FOR(i) a[i] = a[i] * a[i];; }
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| 70 |
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| 71 | #undef FOR
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| 72 | #endif
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