SeqAn3
simd_algorithm.hpp
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34 
40 #pragma once
41 
42 #include <utility>
43 
46 
47 namespace seqan3::detail
48 {
49 
52 template <simd_concept simd_t, size_t... I>
53 constexpr simd_t fill_impl(typename simd_traits<simd_t>::scalar_type const scalar, std::index_sequence<I...>)
54 {
55  return simd_t{((void)I, scalar)...};
56 }
57 
60 template <simd_concept simd_t, typename scalar_t, scalar_t... I>
61 constexpr simd_t iota_impl(scalar_t const offset, std::integer_sequence<scalar_t, I...>)
62 {
63  return simd_t{static_cast<scalar_t>(offset + I)...};
64 }
65 
66 } // namespace seqan3::detail
67 
68 namespace seqan3
69 {
70 
71 inline namespace simd
72 {
73 
83 template <simd_concept simd_t>
84 constexpr simd_t fill(typename simd_traits<simd_t>::scalar_type const scalar)
85 {
86  constexpr size_t length = simd_traits<simd_t>::length;
87  return detail::fill_impl<simd_t>(scalar, std::make_index_sequence<length>{});
88 }
89 
99 template <simd_concept simd_t>
100 constexpr simd_t iota(typename simd_traits<simd_t>::scalar_type const offset)
101 {
102  constexpr size_t length = simd_traits<simd_t>::length;
103  using scalar_type = typename simd_traits<simd_t>::scalar_type;
104  return detail::iota_impl<simd_t>(offset, std::make_integer_sequence<scalar_type, length>{});
105 }
106 
107 } // inline namespace simd
108 
109 } // namespace seqan3
constexpr simd_t iota(typename simd_traits< simd_t >::scalar_type const offset)
Fills a seqan3::simd::simd_type vector with the scalar values offset, offset+1, offset+2, ...
Definition: simd_algorithm.hpp:100
Contains seqan3::simd::simd_concept.
Contains seqan3::simd::simd_traits.
constexpr simd_t fill(typename simd_traits< simd_t >::scalar_type const scalar)
Fills a seqan3::simd::simd_type vector with a scalar value.
Definition: simd_algorithm.hpp:84
The main SeqAn3 namespace.
Definition: aligned_sequence_concept.hpp:58
IMPLEMENTATION_DEFINED scalar_type
The underlying type of a simd vector (is not defined if simd_t does not satisfy seqan3::simd::simd_co...
Definition: simd_traits.hpp:71
Definition: aligned_sequence_concept.hpp:288
seqan3::simd::simd_traits is the trait class that provides uniform interface to the properties of sim...
Definition: simd_traits.hpp:65