Vc  1.3.80-dev
SIMD Vector Classes for C++
vector.h
1 /* This file is part of the Vc library. {{{
2 Copyright © 2009-2015 Matthias Kretz <kretz@kde.org>
3 
4 Redistribution and use in source and binary forms, with or without
5 modification, are permitted provided that the following conditions are met:
6  * Redistributions of source code must retain the above copyright
7  notice, this list of conditions and the following disclaimer.
8  * Redistributions in binary form must reproduce the above copyright
9  notice, this list of conditions and the following disclaimer in the
10  documentation and/or other materials provided with the distribution.
11  * Neither the names of contributing organizations nor the
12  names of its contributors may be used to endorse or promote products
13  derived from this software without specific prior written permission.
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15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
16 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
19 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 
26 }}}*/
27 
28 #ifndef VC_VECTOR_H_
29 #define VC_VECTOR_H_
30 
31 // 1. define all of Vc::Scalar - this one is always present, so it makes sense to put it first
32 #include "scalar/vector.h"
33 
34 #if defined(Vc_IMPL_SSE)
35 # include "sse/vector.h"
36 #endif
37 #ifdef Vc_IMPL_AVX
38 # include "avx/vector.h"
39 #endif
40 
41 namespace Vc_VERSIONED_NAMESPACE
42 {
47 
51 using double_v = Vector<double>;
64 using llong_v = Vector<llong>;
66 using ullong_v = Vector<ullong>;
68 using long_v = Vector<long>;
70 using ulong_v = Vector<ulong>;
72 using schar_v = Vector<schar>;
74 using uchar_v = Vector<uchar>;
77 
82 
86 using double_m = Mask<double>;
91 using llong_m = Mask< llong>;
93 using ullong_m = Mask<ullong>;
95 using long_m = Mask< long>;
97 using ulong_m = Mask< ulong>;
99 using int_m = Mask< int>;
107 using schar_m = Mask< schar>;
109 using uchar_m = Mask< uchar>;
112 
121 
130 
139 
148 
149 #if defined INT64_MAX && defined UINT64_MAX
150  typedef Vector<std:: int64_t> int64_v;
151  typedef Vector<std::uint64_t> uint64_v;
152  typedef Mask<std:: int64_t> int64_m;
153  typedef Mask<std::uint64_t> uint64_m;
154 #endif
155 #if defined INT32_MAX && defined UINT32_MAX
156  typedef Vector<std:: int32_t> int32_v;
157  typedef Vector<std::uint32_t> uint32_v;
158  typedef Mask<std:: int32_t> int32_m;
159  typedef Mask<std::uint32_t> uint32_m;
160 #endif
161 #if defined INT16_MAX && defined UINT16_MAX
162  typedef Vector<std:: int16_t> int16_v;
163  typedef Vector<std::uint16_t> uint16_v;
164  typedef Mask<std:: int16_t> int16_m;
165  typedef Mask<std::uint16_t> uint16_m;
166 #endif
167 #if defined INT8_MAX && defined UINT8_MAX
168  typedef Vector<std:: int8_t> int8_v;
169  typedef Vector<std::uint8_t> uint8_v;
170  typedef Mask<std:: int8_t> int8_m;
171  typedef Mask<std::uint8_t> uint8_m;
172 #endif
173 
174  namespace {
175  static_assert(double_v::Size == Vc_DOUBLE_V_SIZE, "Vc_DOUBLE_V_SIZE macro defined to an incorrect value");
176  static_assert(float_v::Size == Vc_FLOAT_V_SIZE , "Vc_FLOAT_V_SIZE macro defined to an incorrect value ");
177  static_assert(int_v::Size == Vc_INT_V_SIZE , "Vc_INT_V_SIZE macro defined to an incorrect value ");
178  static_assert(uint_v::Size == Vc_UINT_V_SIZE , "Vc_UINT_V_SIZE macro defined to an incorrect value ");
179  static_assert(short_v::Size == Vc_SHORT_V_SIZE , "Vc_SHORT_V_SIZE macro defined to an incorrect value ");
180  static_assert(ushort_v::Size == Vc_USHORT_V_SIZE, "Vc_USHORT_V_SIZE macro defined to an incorrect value");
181  }
182 }
183 
184 
185 // finally define the non-member operators
186 #include "common/operators.h"
187 
188 #include "common/simdarray.h"
189 // XXX See bottom of common/simdmaskarray.h:
190 //#include "common/simd_cast_caller.tcc"
191 
192 #include "common/alignedbase.h"
193 namespace Vc_VERSIONED_NAMESPACE {
204 constexpr std::size_t VectorAlignment = alignof(VectorAlignedBase);
215 constexpr std::size_t MemoryAlignment = alignof(MemoryAlignedBase);
216 } // namespace Vc_VERSIONED_NAMESPACE
217 
218 #define Vc_VECTOR_DECLARED_ 1
219 
220 #include "scalar/helperimpl.h"
221 #include "scalar/math.h"
222 #include "scalar/simd_cast_caller.tcc"
223 #if defined(Vc_IMPL_SSE)
224 # include "sse/helperimpl.h"
225 # include "sse/math.h"
226 # include "sse/simd_cast_caller.tcc"
227 #endif
228 #if defined(Vc_IMPL_AVX)
229 # include "avx/helperimpl.h"
230 # include "avx/math.h"
231 # include "avx/simd_cast_caller.tcc"
232 #endif
233 
234 #include "common/math.h"
235 
236 #ifdef isfinite
237 #undef isfinite
238 #endif
239 #ifdef isnan
240 #undef isnan
241 #endif
242 
243 #include "common/vectortuple.h"
244 #include "common/algorithms.h"
245 #include "common/where.h"
246 #include "common/iif.h"
247 
248 #ifndef Vc_NO_STD_FUNCTIONS
249 namespace std
250 {
251  using Vc::min;
252  using Vc::max;
253 
254  using Vc::abs;
255  using Vc::asin;
256  using Vc::atan;
257  using Vc::atan2;
258  using Vc::ceil;
259  using Vc::cos;
260  using Vc::exp;
261  using Vc::fma;
262  using Vc::trunc;
263  using Vc::floor;
264  using Vc::frexp;
265  using Vc::ldexp;
266  using Vc::log;
267  using Vc::log10;
268  using Vc::log2;
269  using Vc::round;
270  using Vc::sin;
271  using Vc::sqrt;
272 
273  using Vc::isfinite;
274  using Vc::isnan;
275 } // namespace std
276 #endif
277 
278 Vc_RESET_DIAGNOSTICS
279 
280 #endif // VC_VECTOR_H_
SimdArray< T, N, V, M > ceil(const SimdArray< T, N, V, M > &x)
Applies the std:: ceil function component-wise and concurrently.
Definition: simdarray.h:1738
Vc::Vector< T > frexp(const Vc::Vector< T > &x, Vc::SimdArray< int, size()> *e)
Convert floating-point number to fractional and integral components.
Vc::Vector< T > log2(const Vc::Vector< T > &v)
Vc::Vector< T > exp(const Vc::Vector< T > &v)
SimdArray< T, N, V, M > floor(const SimdArray< T, N, V, M > &x)
Applies the std:: floor function component-wise and concurrently.
Definition: simdarray.h:1743
The main vector class for expressing data parallelism.
Definition: fwddecl.h:53
#define Vc_UINT_V_SIZE
An integer (for use with the preprocessor) that gives the number of entries in a uint_v.
Definition: dox.h:692
Vc::Vector< T > min(const Vc::Vector< T > &x, const Vc::Vector< T > &y)
Vc::Vector< T > ldexp(Vc::Vector< T > x, Vc::SimdArray< int, size()> e)
Multiply floating-point number by integral power of 2.
SimdArray< T, N, V, M > asin(const SimdArray< T, N, V, M > &x)
Applies the std:: asin function component-wise and concurrently.
Definition: simdarray.h:1735
constexpr std::size_t VectorAlignment
Specifies the most conservative memory alignment necessary for Vector<T> objects with default VectorA...
Definition: vector.h:204
#define Vc_SHORT_V_SIZE
An integer (for use with the preprocessor) that gives the number of entries in a short_v.
Definition: dox.h:697
Vc::Vector< T > abs(const Vc::Vector< T > &v)
Returns the absolute value of v.
Vc::Vector< T > max(const Vc::Vector< T > &x, const Vc::Vector< T > &y)
Definition: vector.h:249
Vc::Vector< T > log(const Vc::Vector< T > &v)
AlignedBase< Detail::max(alignof(Vector< float >), alignof(Vector< double >), alignof(Vector< ullong >), alignof(Vector< llong >), alignof(Vector< ulong >), alignof(Vector< long >), alignof(Vector< uint >), alignof(Vector< int >), alignof(Vector< ushort >), alignof(Vector< short >), alignof(Vector< uchar >), alignof(Vector< schar >))> VectorAlignedBase
Helper type to ensure suitable alignment for any Vc::Vector<T> type (using the default VectorAbi)...
Definition: alignedbase.h:90
Vc::Vector< T > fma(Vc::Vector< T > a, Vc::Vector< T > b, Vc::Vector< T > c)
Multiplies a with b and then adds c, without rounding between the multiplication and the addition...
SimdArray< T, N, V, M > sin(const SimdArray< T, N, V, M > &x)
Applies the std:: sin function component-wise and concurrently.
Definition: simdarray.h:1789
Vc::Vector< T > round(const Vc::Vector< T > &v)
Returns the closest integer to v; 0.5 is rounded to even.
#define Vc_USHORT_V_SIZE
An integer (for use with the preprocessor) that gives the number of entries in a ushort_v.
Definition: dox.h:702
Vc::Vector< T > log10(const Vc::Vector< T > &v)
Vector< double > double_v
vector of double precision
Definition: vector.h:52
#define Vc_DOUBLE_V_SIZE
An integer (for use with the preprocessor) that gives the number of entries in a double_v.
Definition: dox.h:677
SimdArray< T, N, V, M > trunc(const SimdArray< T, N, V, M > &x)
Applies the std:: trunc function component-wise and concurrently.
Definition: simdarray.h:1797
#define Vc_FLOAT_V_SIZE
An integer (for use with the preprocessor) that gives the number of entries in a float_v.
Definition: dox.h:682
SimdArray< T, N, V, M > atan(const SimdArray< T, N, V, M > &x)
Applies the std:: atan function component-wise and concurrently.
Definition: simdarray.h:1736
Vc::Mask< T > isfinite(const Vc::Vector< T > &x)
The main SIMD mask class.
Definition: fwddecl.h:52
Vc::Mask< T > isnan(const Vc::Vector< T > &x)
#define Vc_INT_V_SIZE
An integer (for use with the preprocessor) that gives the number of entries in a int_v.
Definition: dox.h:687
SimdArray< T, N, V, M > cos(const SimdArray< T, N, V, M > &x)
Applies the std:: cos function component-wise and concurrently.
Definition: simdarray.h:1740
constexpr std::size_t MemoryAlignment
Specifies the most conservative memory alignment necessary for aligned loads and stores of Vector typ...
Definition: vector.h:215
Vc::Vector< T > sqrt(const Vc::Vector< T > &v)
Returns the square root of v.
AlignedBase< Detail::max(Vector< float >::MemoryAlignment, Vector< double >::MemoryAlignment, Vector< ullong >::MemoryAlignment, Vector< llong >::MemoryAlignment, Vector< ulong >::MemoryAlignment, Vector< long >::MemoryAlignment, Vector< uint >::MemoryAlignment, Vector< int >::MemoryAlignment, Vector< ushort >::MemoryAlignment, Vector< short >::MemoryAlignment, Vector< uchar >::MemoryAlignment, Vector< schar >::MemoryAlignment)> MemoryAlignedBase
Helper class to ensure suitable alignment for arrays of scalar objects for any Vc::Vector<T> type (us...
Definition: alignedbase.h:122
SimdArray< T, N, V, M > atan2(const SimdArray< T, N, V, M > &x, const SimdArray< T, N, V, M > &y)
Applies the std:: atan2 function component-wise and concurrently.
Definition: simdarray.h:1737