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test_batch.cpp
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1049 lines (976 loc) · 35.6 KB
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/***************************************************************************
* Copyright (c) Johan Mabille, Sylvain Corlay, Wolf Vollprecht and *
* Martin Renou *
* Copyright (c) QuantStack *
* Copyright (c) Serge Guelton *
* *
* Distributed under the terms of the BSD 3-Clause License. *
* *
* The full license is in the file LICENSE, distributed with this software. *
****************************************************************************/
#include "xsimd/xsimd.hpp"
#ifndef XSIMD_NO_SUPPORTED_ARCHITECTURE
#include <cmath>
#include <functional>
#include <numeric>
#include <sstream>
#include "test_utils.hpp"
using namespace std::placeholders;
template <class B>
struct batch_test
{
using batch_type = B;
using value_type = typename B::value_type;
static constexpr size_t size = B::size;
using array_type = std::array<value_type, size>;
using bool_array_type = std::array<bool, size>;
array_type lhs;
array_type rhs;
value_type scalar;
batch_test()
{
init_operands();
}
void test_stream_dump() const
{
array_type res;
batch_type b = batch_type::load_unaligned(lhs.data());
b.store_unaligned(res.data());
std::ostringstream b_dump;
b_dump << b;
std::ostringstream res_dump;
res_dump << '(';
for (std::size_t i = 0; i < res.size() - 1; ++i)
res_dump << res[i] << ", ";
res_dump << res.back() << ')';
CHECK_EQ(res_dump.str(), b_dump.str());
}
void test_load_store() const
{
array_type res;
batch_type b = batch_type::load_unaligned(lhs.data());
b.store_unaligned(res.data());
INFO("load_unaligned / store_unaligned");
CHECK_EQ(res, lhs);
alignas(xsimd::default_arch::alignment()) array_type arhs(this->rhs);
alignas(xsimd::default_arch::alignment()) array_type ares;
b = batch_type::load_aligned(arhs.data());
b.store_aligned(ares.data());
INFO("load_aligned / store_aligned");
CHECK_EQ(ares, rhs);
}
template <size_t... Is>
struct pack
{
};
template <size_t... Values>
void check_constructor_from_sequence(std::integral_constant<size_t, 0>, pack<Values...>) const
{
array_type tmp = { static_cast<value_type>(Values)... };
batch_type b0(static_cast<value_type>(Values)...);
INFO("batch(values...)");
CHECK_EQ(b0, tmp);
batch_type b1 { static_cast<value_type>(Values)... };
INFO("batch{values...}");
CHECK_EQ(b0, tmp);
}
template <size_t I, size_t... Values>
void check_constructor_from_sequence(std::integral_constant<size_t, I>, pack<Values...>) const
{
return check_constructor_from_sequence(std::integral_constant<size_t, I - 1>(), pack<Values..., I>());
}
void test_constructors() const
{
batch_type b;
// value initialized to random data, can't be checked
(void)b;
array_type tmp;
std::fill(tmp.begin(), tmp.end(), value_type(2));
batch_type b0a(2);
INFO("batch(value_type)");
CHECK_EQ(b0a, tmp);
batch_type b0b { 2 };
INFO("batch{value_type}");
CHECK_EQ(b0b, tmp);
check_constructor_from_sequence(std::integral_constant<size_t, size>(), pack<>());
}
void test_static_builders() const
{
{
array_type expected;
std::fill(expected.begin(), expected.end(), value_type(2));
auto res = batch_type::broadcast(value_type(2));
INFO("batch::broadcast");
CHECK_EQ(res, expected);
}
{
array_type res;
auto b = batch_type::load_unaligned(lhs.data());
b.store_unaligned(res.data());
INFO("batch::load_unaligned");
CHECK_EQ(res, lhs);
}
{
alignas(xsimd::default_arch::alignment()) array_type arhs(this->rhs);
alignas(xsimd::default_arch::alignment()) array_type ares;
auto b = batch_type::load_aligned(arhs.data());
b.store_aligned(ares.data());
INFO("batch::load_aligned");
CHECK_EQ(ares, rhs);
}
}
void test_access_operator() const
{
batch_type res = batch_lhs();
for (size_t i = 0; i < size; ++i)
{
CHECK_EQ(res.get(i), lhs[i]);
}
}
void test_first_element() const
{
batch_type res = batch_lhs();
CHECK_EQ(res.first(), lhs[0]);
}
void test_arithmetic() const
{
// +batch
{
array_type expected = lhs;
batch_type res = +batch_lhs();
INFO("+batch");
CHECK_BATCH_EQ(res, expected);
}
// -batch
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(), std::negate<value_type>());
batch_type res = -batch_lhs();
INFO("-batch");
CHECK_BATCH_EQ(res, expected);
}
// batch + batch
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(), std::plus<value_type>());
batch_type res = batch_lhs() + batch_rhs();
INFO("batch + batch");
CHECK_BATCH_EQ(res, expected);
}
// batch + scalar
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(), std::bind(std::plus<value_type>(), _1, scalar));
batch_type lres = batch_lhs() + scalar;
INFO("batch + scalar");
CHECK_BATCH_EQ(lres, expected);
batch_type rres = scalar + batch_lhs();
INFO("scalar + batch");
CHECK_BATCH_EQ(rres, expected);
}
// batch - batch
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(), std::minus<value_type>());
batch_type res = batch_lhs() - batch_rhs();
INFO("batch - batch");
CHECK_BATCH_EQ(res, expected);
}
// batch - scalar
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(), std::bind(std::minus<value_type>(), _1, scalar));
batch_type lres = batch_lhs() - scalar;
INFO("batch - scalar");
CHECK_BATCH_EQ(lres, expected);
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(), std::bind(std::minus<value_type>(), scalar, _1));
batch_type rres = scalar - batch_lhs();
INFO("scalar - batch");
CHECK_BATCH_EQ(rres, expected);
}
// batch * batch
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(), std::multiplies<value_type>());
batch_type res = batch_lhs() * batch_rhs();
INFO("batch * batch");
CHECK_BATCH_EQ(res, expected);
}
// batch * scalar
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(), std::bind(std::multiplies<value_type>(), _1, scalar));
batch_type lres = batch_lhs() * scalar;
INFO("batch * scalar");
CHECK_BATCH_EQ(lres, expected);
batch_type rres = scalar * batch_lhs();
INFO("scalar * batch");
CHECK_BATCH_EQ(rres, expected);
}
// batch / batch
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(), std::divides<value_type>());
batch_type res = batch_lhs() / batch_rhs();
INFO("batch / batch");
CHECK_BATCH_EQ(res, expected);
}
// batch / scalar
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(), std::bind(std::divides<value_type>(), _1, scalar));
batch_type lres = batch_lhs() / scalar;
INFO("batch / scalar");
CHECK_BATCH_EQ(lres, expected);
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(), std::bind(std::divides<value_type>(), scalar, _1));
batch_type rres = scalar / batch_lhs();
INFO("scalar / batch");
CHECK_BATCH_EQ(rres, expected);
}
}
void test_incr_decr() const
{
// incr
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(), xsimd::incr<value_type>);
batch_type res = xsimd::incr(batch_lhs());
INFO("incr(batch)");
CHECK_BATCH_EQ(res, expected);
}
// incr_if
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(),
[](value_type v)
{ return v > 1 ? v + 1 : v; });
batch_type res = xsimd::incr_if(batch_lhs(), batch_lhs() > value_type(1));
INFO("incr_if(batch)");
CHECK_BATCH_EQ(res, expected);
}
// decr
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(), xsimd::decr<value_type>);
batch_type res = xsimd::decr(batch_lhs());
INFO("decr(batch)");
CHECK_BATCH_EQ(res, expected);
}
// decr_if
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(),
[](value_type v)
{ return v > 1 ? v - 1 : v; });
batch_type res = xsimd::decr_if(batch_lhs(), batch_lhs() > value_type(1));
INFO("decr_if(batch)");
CHECK_BATCH_EQ(res, expected);
}
}
void test_saturated_arithmetic() const
{
// batch + batch
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(), xsimd::sadd<value_type>);
batch_type res = xsimd::sadd(batch_lhs(), batch_rhs());
INFO("sadd(batch, batch)");
CHECK_BATCH_EQ(res, expected);
}
#if 0
// batch + scalar
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(), [this](value_type x)
{ return xsimd::sadd(x, scalar); });
batch_type lres = xsimd::sadd(batch_lhs(), scalar);
INFO("sadd(batch, scalar)");
CHECK_BATCH_EQ(lres, expected);
batch_type rres = xsimd::sadd(scalar, batch_lhs());
INFO("sadd(scalar, batch)");
CHECK_BATCH_EQ(rres, expected);
}
#endif
// batch - batch
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(), [](value_type x, value_type y)
{ return xsimd::ssub(x, y); });
batch_type res = xsimd::ssub(batch_lhs(), batch_rhs());
INFO("ssub(batch, batch)");
CHECK_BATCH_EQ(res, expected);
}
#if 0
// batch - scalar
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(), [this](value_type x)
{ return xsimd::ssub(x, scalar); });
batch_type lres = xsimd::ssub(batch_lhs(), scalar);
INFO("ssub(batch, scalar)");
CHECK_BATCH_EQ(lres, expected);
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(), [this](value_type x)
{ return xsimd::ssub(scalar, x); });
batch_type rres = xsimd::ssub(scalar, batch_lhs());
INFO("ssub(scalar, batch)");
CHECK_BATCH_EQ(rres, expected);
}
#endif
}
void test_computed_assignment() const
{
// batch += batch
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(), std::plus<value_type>());
batch_type res = batch_lhs();
res += batch_rhs();
INFO("batch += batch");
CHECK_BATCH_EQ(res, expected);
}
// batch += scalar
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(), std::bind(std::plus<value_type>(), _1, scalar));
batch_type res = batch_lhs();
res += scalar;
INFO("batch += scalar");
CHECK_BATCH_EQ(res, expected);
}
// batch -= batch
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(), std::minus<value_type>());
batch_type res = batch_lhs();
res -= batch_rhs();
INFO("batch -= batch");
CHECK_BATCH_EQ(res, expected);
}
// batch -= scalar
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(), std::bind(std::minus<value_type>(), _1, scalar));
batch_type res = batch_lhs();
res -= scalar;
INFO("batch -= scalar");
CHECK_BATCH_EQ(res, expected);
}
// batch *= batch
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(), std::multiplies<value_type>());
batch_type res = batch_lhs();
res *= batch_rhs();
INFO("batch *= batch");
CHECK_BATCH_EQ(res, expected);
}
// batch *= scalar
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(), std::bind(std::multiplies<value_type>(), _1, scalar));
batch_type res = batch_lhs();
res *= scalar;
INFO("batch *= scalar");
CHECK_BATCH_EQ(res, expected);
}
// batch /= batch
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(), std::divides<value_type>());
batch_type res = batch_lhs();
res /= batch_rhs();
INFO("batch /= batch");
CHECK_BATCH_EQ(res, expected);
}
// batch /= scalar
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(), std::bind(std::divides<value_type>(), _1, scalar));
batch_type res = batch_lhs();
res /= scalar;
INFO("batch /= scalar");
CHECK_BATCH_EQ(res, expected);
}
}
void test_comparison() const
{
// batch == batch
{
bool_array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(),
[](const value_type& l, const value_type& r)
{ return l == r; });
auto res = batch_lhs() == batch_rhs();
INFO("batch == batch");
CHECK_BATCH_EQ(res, expected);
}
// batch == scalar
{
bool_array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(),
[this](const value_type& l)
{ return l == scalar; });
auto res = batch_lhs() == scalar;
INFO("batch == scalar");
CHECK_BATCH_EQ(res, expected);
}
// batch != batch
{
bool_array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(),
[](const value_type& l, const value_type& r)
{ return l != r; });
auto res = batch_lhs() != batch_rhs();
INFO("batch != batch");
CHECK_BATCH_EQ(res, expected);
}
// batch != scalar
{
bool_array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(),
[this](const value_type& l)
{ return l != scalar; });
auto res = batch_lhs() != scalar;
INFO("batch != scalar");
CHECK_BATCH_EQ(res, expected);
}
// batch < batch
{
bool_array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(),
[](const value_type& l, const value_type& r)
{ return l < r; });
auto res = batch_lhs() < batch_rhs();
INFO("batch < batch");
CHECK_BATCH_EQ(res, expected);
std::fill(expected.begin(), expected.end(), false);
res = batch_lhs() < batch_lhs();
INFO("batch < (self)");
CHECK_BATCH_EQ(res, expected);
}
// batch < scalar
{
bool_array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(),
[this](const value_type& l)
{ return l < scalar; });
auto res = batch_lhs() < scalar;
INFO("batch < scalar");
CHECK_BATCH_EQ(res, expected);
auto res_neg = batch_lhs() >= scalar;
INFO("batch >= scalar");
CHECK_BATCH_EQ(!res_neg, expected);
}
// batch <= batch
{
bool_array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(),
[](const value_type& l, const value_type& r)
{ return l <= r; });
auto res = batch_lhs() <= batch_rhs();
INFO("batch <= batch");
CHECK_BATCH_EQ(res, expected);
std::fill(expected.begin(), expected.end(), true);
res = batch_lhs() <= batch_lhs();
INFO("batch < (self)");
CHECK_BATCH_EQ(res, expected);
}
// batch <= scalar
{
bool_array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(),
[this](const value_type& l)
{ return l <= scalar; });
auto res = batch_lhs() <= scalar;
INFO("batch <= scalar");
CHECK_BATCH_EQ(res, expected);
auto res_neg = batch_lhs() > scalar;
INFO("batch > scalar");
CHECK_BATCH_EQ(!res_neg, expected);
}
// batch > batch
{
bool_array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(),
[](const value_type& l, const value_type& r)
{ return l > r; });
auto res = batch_lhs() > batch_rhs();
INFO("batch > batch");
CHECK_BATCH_EQ(res, expected);
std::fill(expected.begin(), expected.end(), false);
res = batch_lhs() > batch_lhs();
INFO("batch > (self)");
CHECK_BATCH_EQ(res, expected);
}
// batch > scalar
{
bool_array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(),
[this](const value_type& l)
{ return l > scalar; });
auto res = batch_lhs() > scalar;
INFO("batch > scalar");
CHECK_BATCH_EQ(res, expected);
auto res_neg = batch_lhs() <= scalar;
INFO("batch <= scalar");
CHECK_BATCH_EQ(!res_neg, expected);
}
// batch >= batch
{
bool_array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(),
[](const value_type& l, const value_type& r)
{ return l >= r; });
auto res = batch_lhs() >= batch_rhs();
INFO("batch >= batch");
CHECK_BATCH_EQ(res, expected);
std::fill(expected.begin(), expected.end(), true);
res = batch_lhs() >= batch_lhs();
INFO("batch >= (self)");
CHECK_BATCH_EQ(res, expected);
}
// batch >= scalar
{
bool_array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(),
[this](const value_type& l)
{ return l >= scalar; });
auto res = batch_lhs() >= scalar;
INFO("batch >= scalar");
CHECK_BATCH_EQ(res, expected);
auto res_neg = batch_lhs() < scalar;
INFO("batch < scalar");
CHECK_BATCH_EQ(!res_neg, expected);
}
}
void test_logical() const
{
// batch && batch
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(), std::logical_and<value_type>());
batch_type res = batch_lhs() && batch_rhs();
INFO("batch && batch");
CHECK_BATCH_EQ(res, expected);
}
// batch && scalar
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(), std::bind(std::logical_and<value_type>(), _1, scalar));
batch_type lres = batch_lhs() && scalar;
INFO("batch && scalar");
CHECK_BATCH_EQ(lres, expected);
batch_type rres = scalar && batch_lhs();
INFO("scalar && batch");
CHECK_BATCH_EQ(rres, expected);
}
// batch || batch
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(), std::logical_or<value_type>());
batch_type res = batch_lhs() || batch_rhs();
INFO("batch && batch");
CHECK_BATCH_EQ(res, expected);
}
// batch || scalar
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(), std::bind(std::logical_or<value_type>(), _1, scalar));
batch_type lres = batch_lhs() || scalar;
INFO("batch || scalar");
CHECK_BATCH_EQ(lres, expected);
batch_type rres = scalar || batch_lhs();
INFO("scalar || batch");
CHECK_BATCH_EQ(rres, expected);
}
}
void test_min_max() const
{
// min
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(),
[](const value_type& l, const value_type& r)
{ return std::min(l, r); });
batch_type res = min(batch_lhs(), batch_rhs());
INFO("min");
CHECK_BATCH_EQ(res, expected);
}
// min limit case
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(),
[](const value_type&, const value_type& r)
{ return std::min(std::numeric_limits<value_type>::min(), r); });
batch_type res = xsimd::min(batch_type(std::numeric_limits<value_type>::min()), batch_rhs());
INFO("min limit");
CHECK_BATCH_EQ(res, expected);
}
// fmin
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(),
[](const value_type& l, const value_type& r)
{ return std::fmin(l, r); });
batch_type res = min(batch_lhs(), batch_rhs());
INFO("fmin");
CHECK_BATCH_EQ(res, expected);
}
// max
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(),
[](const value_type& l, const value_type& r)
{ return std::max(l, r); });
batch_type res = max(batch_lhs(), batch_rhs());
INFO("max");
CHECK_BATCH_EQ(res, expected);
}
// max limit case
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(),
[](const value_type&, const value_type& r)
{ return std::max(std::numeric_limits<value_type>::max(), r); });
batch_type res = xsimd::max(batch_type(std::numeric_limits<value_type>::max()), batch_rhs());
INFO("max limit");
CHECK_BATCH_EQ(res, expected);
}
// fmax
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(),
[](const value_type& l, const value_type& r)
{ return std::fmax(l, r); });
batch_type res = fmax(batch_lhs(), batch_rhs());
INFO("fmax");
CHECK_BATCH_EQ(res, expected);
}
}
void test_fused_operations() const
{
// fma
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.begin(), expected.begin(),
[](const value_type& l, const value_type& r)
{ return l * r + r; });
// Warning: ADL seems to not work correctly on Windows, thus the full qualified call
batch_type res = xsimd::fma(batch_lhs(), batch_rhs(), batch_rhs());
INFO("fma");
CHECK_BATCH_EQ(res, expected);
}
// fms
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.begin(), expected.begin(),
[](const value_type& l, const value_type& r)
{ return l * r - r; });
batch_type res = fms(batch_lhs(), batch_rhs(), batch_rhs());
INFO("fms");
CHECK_BATCH_EQ(res, expected);
}
// fnma
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.begin(), expected.begin(),
[](const value_type& l, const value_type& r)
{ return -l * r + r; });
batch_type res = fnma(batch_lhs(), batch_rhs(), batch_rhs());
INFO("fnma");
CHECK_BATCH_EQ(res, expected);
}
// fnms
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.begin(), expected.begin(),
[](const value_type& l, const value_type& r)
{ return -l * r - r; });
batch_type res = fnms(batch_lhs(), batch_rhs(), batch_rhs());
INFO("fnms");
CHECK_BATCH_EQ(res, expected);
}
// fmas
{
array_type expected;
for (std::size_t i = 0; i < expected.size(); ++i)
{
// even lanes: x*y - z, odd lanes: x*y + z
expected[i] = (i & 1u) == 0
? lhs[i] * rhs[i] - rhs[i]
: lhs[i] * rhs[i] + rhs[i];
}
batch_type res = fmas(batch_lhs(), batch_rhs(), batch_rhs());
INFO("fmas");
CHECK_BATCH_EQ(res, expected);
}
}
void test_abs() const
{
// abs
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(),
[](const value_type& l)
{ return ::detail::uabs(l); });
batch_type res = abs(batch_lhs());
INFO("abs");
CHECK_BATCH_EQ(res, expected);
}
// fabs
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(),
[](const value_type& l)
{ return std::fabs(l); });
batch_type res = fabs(batch_lhs());
INFO("fabs");
CHECK_BATCH_EQ(res, expected);
}
}
void test_avg() const
{
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(),
[](const value_type& l, const value_type& r) -> value_type
{
if (std::is_integral<value_type>::value)
{
return static_cast<value_type>(((long long)l + r) / 2);
}
else
{
return (l + r) / 2;
}
});
batch_type res = avg(batch_lhs(), batch_rhs());
INFO("avg");
CHECK_BATCH_EQ(res, expected);
}
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), rhs.cbegin(), expected.begin(),
[](const value_type& l, const value_type& r) -> value_type
{
if (std::is_integral<value_type>::value)
{
return static_cast<value_type>(((long long)l + r) / 2 + ((long long)(l + r) & 1));
}
else
{
return (l + r) / 2;
}
});
batch_type res = avgr(batch_lhs(), batch_rhs());
INFO("avgr");
CHECK_BATCH_EQ(res, expected);
}
}
void test_horizontal_operations() const
{
// reduce_add
{
value_type expected = std::accumulate(lhs.cbegin(), lhs.cend(), value_type(0));
value_type res = reduce_add(batch_lhs());
INFO("reduce_add");
CHECK_SCALAR_EQ(res, expected);
}
// reduce_max
{
value_type expected = *std::max_element(lhs.cbegin(), lhs.cend());
value_type res = reduce_max(batch_lhs());
INFO("reduce_max");
CHECK_SCALAR_EQ(res, expected);
}
// reduce_min
{
value_type expected = *std::min_element(lhs.cbegin(), lhs.cend());
value_type res = reduce_min(batch_lhs());
INFO("reduce_min");
CHECK_SCALAR_EQ(res, expected);
}
// reduce_mul
{
value_type expected = std::accumulate(lhs.cbegin(), lhs.cend(), value_type(1), std::multiplies<value_type>());
value_type res = reduce_mul(batch_lhs());
INFO("reduce_mul");
CHECK_SCALAR_EQ(res, expected);
}
}
template <size_t N>
std::enable_if_t<4 <= N> test_common_horizontal_operations(std::integral_constant<size_t, N>) const
{
// reduce common
{
value_type expected = std::accumulate(lhs.cbegin(), lhs.cend(), value_type(1), std::multiplies<value_type>());
value_type res = reduce(xsimd::mul<typename B::value_type, typename B::arch_type>, batch_lhs());
INFO("common reduce");
CHECK_SCALAR_EQ(res, expected);
}
}
void test_common_horizontal_operations(...) const { }
void test_boolean_conversions() const
{
using batch_bool_type = typename batch_type::batch_bool_type;
// batch = true
{
batch_bool_type tbt(true);
batch_type expected = batch_type(value_type(1));
batch_type res = (batch_type)tbt;
INFO("batch = true");
CHECK_BATCH_EQ(res, expected);
}
// batch = false
{
batch_bool_type fbt(false);
batch_type expected = batch_type(value_type(0));
batch_type res = (batch_type)fbt;
INFO("batch = false");
CHECK_BATCH_EQ(res, expected);
}
// !batch
{
array_type expected;
std::transform(lhs.cbegin(), lhs.cend(), expected.begin(),
[](const value_type& l)
{ return !l; });
batch_type res = (batch_type)!batch_lhs();
INFO("!batch");
CHECK_BATCH_EQ(res, expected);
}
// bitwise_cast
{
batch_bool_type fbt(false);
batch_type expected = batch_type(value_type(0));
batch_type res = bitwise_cast(fbt);
INFO("bitwise_cast");
CHECK_BATCH_EQ(res, expected);
}
// bitwise not
{
batch_bool_type fbt(true);
batch_type expected = batch_type(value_type(0));
batch_type res = ~bitwise_cast(fbt);
INFO("~batch");
CHECK_BATCH_EQ(res, expected);
}
}
private:
batch_type batch_lhs() const
{
return batch_type::load_unaligned(lhs.data());
}
batch_type batch_rhs() const
{
return batch_type::load_unaligned(rhs.data());
}
void init_operands()
{
XSIMD_IF_CONSTEXPR(std::is_integral<value_type>::value)
{
for (size_t i = 0; i < size; ++i)
{
bool negative_lhs = std::is_signed<value_type>::value && (i % 2 == 1);
lhs[i] = value_type(i) * (negative_lhs ? -3 : 3);
if (lhs[i] == value_type(0))
{
lhs[i] += value_type(1);
}
rhs[i] = value_type(i) + value_type(2);
}
scalar = value_type(3);
}
else
{
for (size_t i = 0; i < size; ++i)
{
lhs[i] = value_type(i) / 4 + value_type(1.2) * std::sqrt(value_type(i + 0.25));
if (lhs[i] == value_type(0))
{
lhs[i] += value_type(0.1);
}
rhs[i] = value_type(10.2) / (i + 2) + value_type(0.25);
}
scalar = value_type(1.2);
}
}
};
TEST_CASE_TEMPLATE("[batch]", B, BATCH_TYPES)
{
batch_test<B> Test;
SUBCASE("stream_dump")
{
Test.test_stream_dump();
}
SUBCASE("load_store")
{
Test.test_load_store();
}
SUBCASE("constructors")
{
Test.test_constructors();
}
SUBCASE("static_builders")
{
Test.test_static_builders();
}
SUBCASE("access_operator")
{
Test.test_access_operator();
}
SUBCASE("first element")
{
Test.test_first_element();
}
SUBCASE("arithmetic")
{
Test.test_arithmetic();
}
SUBCASE("incr decr")
{
Test.test_incr_decr();
}
SUBCASE("saturated_arithmetic")
{