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Paddle/paddle/fluid/platform/complex64.h

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// Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include <stdint.h>
#include <complex>
#include <cstring>
#include <iostream>
#include <limits>
#ifdef PADDLE_WITH_CUDA
#include <cuComplex.h>
#include <thrust/complex.h>
#endif // PADDLE_WITH_CUDA
#ifdef PADDLE_WITH_HIP
#include <hip/hip_complex.h>
#include <thrust/complex.h> // NOLINT
#endif
#if !defined(_WIN32)
#define PADDLE_ALIGN(x) __attribute__((aligned(x)))
#else
#define PADDLE_ALIGN(x) __declspec(align(x))
#endif
#if (defined(__CUDACC__) || defined(__HIPCC__))
#define HOSTDEVICE __host__ __device__
#define DEVICE __device__
#define HOST __host__
#else
#define HOSTDEVICE
#define DEVICE
#define HOST
#endif
#include "complex128.h" // NOLINT
namespace paddle {
namespace platform {
struct PADDLE_ALIGN(8) complex64 {
public:
float real;
float imag;
complex64() = default;
complex64(const complex64& o) = default;
complex64& operator=(const complex64& o) = default;
complex64(complex64&& o) = default;
complex64& operator=(complex64&& o) = default;
~complex64() = default;
HOSTDEVICE complex64(float real, float imag) : real(real), imag(imag) {}
#if defined(PADDLE_WITH_CUDA) || defined(PADDLE_WITH_HIP)
HOSTDEVICE inline explicit complex64(const thrust::complex<float>& c) {
real = c.real();
imag = c.imag();
}
HOSTDEVICE inline explicit operator thrust::complex<float>() const {
return thrust::complex<float>(real, imag);
}
#ifdef PADDLE_WITH_HIP
HOSTDEVICE inline explicit operator hipFloatComplex() const {
return make_hipFloatComplex(real, imag);
}
#else
HOSTDEVICE inline explicit operator cuFloatComplex() const {
return make_cuFloatComplex(real, imag);
}
#endif
#endif
HOSTDEVICE complex64(const float& val) : real(val), imag(0) {}
HOSTDEVICE complex64(const double& val)
: real(static_cast<float>(val)), imag(0) {}
HOSTDEVICE complex64(const int& val)
: real(static_cast<float>(val)), imag(0) {}
HOSTDEVICE complex64(const int64_t& val)
: real(static_cast<float>(val)), imag(0) {}
HOSTDEVICE complex64(const complex128& val)
: real(static_cast<float>(val.real)),
imag(static_cast<float>(val.imag)) {}
HOSTDEVICE inline explicit operator std::complex<float>() {
return static_cast<std::complex<float>>(std::complex<float>(real, imag));
}
template <class T>
HOSTDEVICE inline explicit complex64(const T& val)
: real(complex64(static_cast<float>(val)).real) {}
HOSTDEVICE complex64(const std::complex<float> val)
: real(val.real()), imag(val.imag()) {}
HOSTDEVICE inline complex64& operator=(bool b) {
real = b ? 1 : 0;
imag = 0;
return *this;
}
HOSTDEVICE inline complex64& operator=(int8_t val) {
real = static_cast<float>(val);
imag = 0;
return *this;
}
HOSTDEVICE inline complex64& operator=(uint8_t val) {
real = static_cast<float>(val);
imag = 0;
return *this;
}
HOSTDEVICE inline complex64& operator=(int16_t val) {
real = static_cast<float>(val);
imag = 0;
return *this;
}
HOSTDEVICE inline complex64& operator=(uint16_t val) {
real = static_cast<float>(val);
imag = 0;
return *this;
}
HOSTDEVICE inline complex64& operator=(int32_t val) {
real = static_cast<float>(val);
imag = 0;
return *this;
}
HOSTDEVICE inline complex64& operator=(uint32_t val) {
real = static_cast<float>(val);
imag = 0;
return *this;
}
HOSTDEVICE inline complex64& operator=(int64_t val) {
real = static_cast<float>(val);
imag = 0;
return *this;
}
HOSTDEVICE inline complex64& operator=(uint64_t val) {
real = static_cast<float>(val);
imag = 0;
return *this;
}
HOSTDEVICE inline complex64& operator=(float val) {
real = val;
imag = 0;
return *this;
}
HOSTDEVICE inline complex64& operator=(double val) {
real = static_cast<float>(val);
imag = 0;
return *this;
}
HOSTDEVICE inline operator float() const { return this->real; }
HOSTDEVICE inline explicit operator bool() const {
return static_cast<bool>(this->real) || static_cast<bool>(this->imag);
}
HOSTDEVICE inline explicit operator int8_t() const {
return static_cast<int8_t>(this->real);
}
HOSTDEVICE inline explicit operator uint8_t() const {
return static_cast<uint8_t>(this->real);
}
HOSTDEVICE inline explicit operator int16_t() const {
return static_cast<int16_t>(this->real);
}
HOSTDEVICE inline explicit operator uint16_t() const {
return static_cast<uint16_t>(this->real);
}
HOSTDEVICE inline explicit operator int32_t() const {
return static_cast<int32_t>(this->real);
}
HOSTDEVICE inline explicit operator uint32_t() const {
return static_cast<uint32_t>(this->real);
}
HOSTDEVICE inline explicit operator int64_t() const {
return static_cast<int64_t>(this->real);
}
HOSTDEVICE inline explicit operator uint64_t() const {
return static_cast<uint64_t>(this->real);
}
HOSTDEVICE inline explicit operator double() const {
return static_cast<double>(this->real);
}
HOSTDEVICE inline operator complex128() const {
return complex128(static_cast<double>(this->real),
static_cast<double>(this->imag));
}
};
HOSTDEVICE inline complex64 operator+(const complex64& a, const complex64& b) {
#if defined(__CUDA_ARCH__) || defined(__HIPCC__)
return complex64(thrust::complex<float>(a.real, a.imag) +
thrust::complex<float>(b.real, b.imag));
#else
return complex64(a.real + b.real, a.imag + b.imag);
#endif
}
HOSTDEVICE inline complex64 operator-(const complex64& a, const complex64& b) {
#if defined(__CUDA_ARCH__) || defined(__HIPCC__)
return complex64(thrust::complex<float>(a.real, a.imag) -
thrust::complex<float>(b.real, b.imag));
#else
return complex64(a.real - b.real, a.imag - b.imag);
#endif
}
HOSTDEVICE inline complex64 operator*(const complex64& a, const complex64& b) {
#if defined(__CUDA_ARCH__) || defined(__HIPCC__)
return complex64(thrust::complex<float>(a.real, a.imag) *
thrust::complex<float>(b.real, b.imag));
#else
return complex64(a.real * b.real - a.imag * b.imag,
a.imag * b.real + b.imag * a.real);
#endif
}
HOSTDEVICE inline complex64 operator/(const complex64& a, const complex64& b) {
#if defined(__CUDA_ARCH__) || defined(__HIPCC__)
return complex64(thrust::complex<float>(a.real, a.imag) /
thrust::complex<float>(b.real, b.imag));
#else
float denominator = b.real * b.real + b.imag * b.imag;
return complex64((a.real * b.real + a.imag * b.imag) / denominator,
(a.imag * b.real - a.real * b.imag) / denominator);
#endif
}
HOSTDEVICE inline complex64 operator-(const complex64& a) {
#if defined(__CUDA_ARCH__) || defined(__HIPCC__)
return complex64(-thrust::complex<float>(a.real, a.imag));
#else
complex64 res;
res.real = -a.real;
res.imag = -a.imag;
return res;
#endif
}
HOSTDEVICE inline complex64& operator+=(complex64& a, // NOLINT
const complex64& b) {
#if defined(__CUDA_ARCH__) || defined(__HIPCC__)
a = complex64(thrust::complex<float>(a.real, a.imag) +=
thrust::complex<float>(b.real, b.imag));
return a;
#else
a.real += b.real;
a.imag += b.imag;
return a;
#endif
}
HOSTDEVICE inline complex64& operator-=(complex64& a, // NOLINT
const complex64& b) {
#if defined(__CUDA_ARCH__) || defined(__HIPCC__)
a = complex64(thrust::complex<float>(a.real, a.imag) -=
thrust::complex<float>(b.real, b.imag));
return a;
#else
a.real -= b.real;
a.imag -= b.imag;
return a;
#endif
}
HOSTDEVICE inline complex64& operator*=(complex64& a, // NOLINT
const complex64& b) {
#if defined(__CUDA_ARCH__) || defined(__HIPCC__)
a = complex64(thrust::complex<float>(a.real, a.imag) *=
thrust::complex<float>(b.real, b.imag));
return a;
#else
a.real = a.real * b.real - a.imag * b.imag;
a.imag = a.imag * b.real + b.imag * a.real;
return a;
#endif
}
HOSTDEVICE inline complex64& operator/=(complex64& a, // NOLINT
const complex64& b) {
#if defined(__CUDA_ARCH__) || defined(__HIPCC__)
a = complex64(thrust::complex<float>(a.real, a.imag) /=
thrust::complex<float>(b.real, b.imag));
return a;
#else
float denominator = b.real * b.real + b.imag * b.imag;
a.real = (a.real * b.real + a.imag * b.imag) / denominator;
a.imag = (a.imag * b.real - a.real * b.imag) / denominator;
return a;
#endif
}
HOSTDEVICE inline complex64 raw_uint16_to_complex64(uint16_t a) {
complex64 res;
res.real = a;
return res;
}
HOSTDEVICE inline bool operator==(const complex64& a, const complex64& b) {
return a.real == b.real && a.imag == b.imag;
}
HOSTDEVICE inline bool operator!=(const complex64& a, const complex64& b) {
return a.real != b.real || a.imag != b.imag;
}
HOSTDEVICE inline bool operator<(const complex64& a, const complex64& b) {
return static_cast<float>(a.real) < static_cast<float>(b.real);
}
HOSTDEVICE inline bool operator<=(const complex64& a, const complex64& b) {
return static_cast<float>(a.real) <= static_cast<float>(b.real);
}
HOSTDEVICE inline bool operator>(const complex64& a, const complex64& b) {
return static_cast<float>(a.real) > static_cast<float>(b.real);
}
HOSTDEVICE inline bool operator>=(const complex64& a, const complex64& b) {
return static_cast<float>(a.real) >= static_cast<float>(b.real);
}
HOSTDEVICE inline bool(isnan)(const complex64& a) {
#if defined(__CUDA_ARCH__)
// __isnanf not supported on HIP platform
return __isnanf(a.real) || __isnanf(a.imag);
#else
return std::isnan(a.real) || std::isnan(a.imag);
#endif
}
HOSTDEVICE inline bool(isinf)(const complex64& a) {
#if defined(__CUDA_ARCH__)
// __isinff not supported on HIP platform
return __isinff(a.real) || __isinff(a.imag);
#else
return std::isinf(a.real) || std::isinf(a.imag);
#endif
}
HOSTDEVICE inline bool(isfinite)(const complex64& a) {
return !((isnan)(a)) && !((isinf)(a));
}
HOSTDEVICE inline float(abs)(const complex64& a) {
#if defined(__CUDA_ARCH__) || defined(__HIPCC__)
return complex64(thrust::abs(thrust::complex<float>(a.real, a.imag)));
#else
return std::abs(std::complex<float>(a.real, a.imag));
#endif
}
HOSTDEVICE inline complex64(pow)(const complex64& a, const complex64& b) {
#if defined(__CUDA_ARCH__) || defined(__HIPCC__)
return complex64(thrust::pow(thrust::complex<float>(a.real, a.imag),
thrust::complex<float>(b.real, b.imag)));
#else
return std::pow(std::complex<float>(a), std::complex<float>(b));
#endif
}
HOSTDEVICE inline complex64(sqrt)(const complex64& a) {
#if defined(__CUDA_ARCH__) || defined(__HIPCC__)
return complex64(thrust::sqrt(thrust::complex<float>(a.real, a.imag)));
#else
return std::sqrt(std::complex<float>(a));
#endif
}
HOSTDEVICE inline complex64(tanh)(const complex64& a) {
#if defined(__CUDA_ARCH__) || defined(__HIPCC__)
return complex64(thrust::tanh(thrust::complex<float>(a.real, a.imag)));
#else
return std::tanh(std::complex<float>(a));
#endif
}
HOSTDEVICE inline complex64(log)(const complex64& a) {
#if defined(__CUDA_ARCH__) || defined(__HIPCC__)
return complex64(thrust::log(thrust::complex<float>(a.real, a.imag)));
#else
return std::log(std::complex<float>(a));
#endif
}
inline std::ostream& operator<<(std::ostream& os, const complex64& a) {
os << "real:" << a.real << " imag:" << a.imag;
return os;
}
} // namespace platform
} // namespace paddle
namespace std {
template <>
struct is_pod<paddle::platform::complex64> {
static const bool value =
is_trivial<paddle::platform::complex64>::value &&
is_standard_layout<paddle::platform::complex64>::value;
};
template <>
struct is_floating_point<paddle::platform::complex64>
: std::integral_constant<
bool, std::is_same<paddle::platform::complex64,
typename std::remove_cv<
paddle::platform::complex64>::type>::value> {};
template <>
struct is_signed<paddle::platform::complex64> {
static const bool value = false;
};
template <>
struct is_unsigned<paddle::platform::complex64> {
static const bool value = false;
};
inline bool isnan(const paddle::platform::complex64& a) {
return paddle::platform::isnan(a);
}
inline bool isinf(const paddle::platform::complex64& a) {
return paddle::platform::isinf(a);
}
template <>
struct numeric_limits<paddle::platform::complex64> {
static const bool is_specialized = false;
static const bool is_signed = false;
static const bool is_integer = false;
static const bool is_exact = false;
static const bool has_infinity = false;
static const bool has_quiet_NaN = false;
static const bool has_signaling_NaN = false;
static const float_denorm_style has_denorm = denorm_absent;
static const bool has_denorm_loss = false;
static const std::float_round_style round_style = std::round_toward_zero;
static const bool is_iec559 = false;
static const bool is_bounded = false;
static const bool is_modulo = false;
static const int digits = 0;
static const int digits10 = 0;
static const int max_digits10 = 0;
static const int radix = 0;
static const int min_exponent = 0;
static const int min_exponent10 = 0;
static const int max_exponent = 0;
static const int max_exponent10 = 0;
static const bool traps = false;
static const bool tinyness_before = false;
static paddle::platform::complex64(min)() {
return paddle::platform::complex64(0.0, 0.0);
}
static paddle::platform::complex64 lowest() {
return paddle::platform::complex64(0.0, 0.0);
}
static paddle::platform::complex64(max)() {
return paddle::platform::complex64(0.0, 0.0);
}
static paddle::platform::complex64 epsilon() {
return paddle::platform::complex64(0.0, 0.0);
}
static paddle::platform::complex64 round_error() {
return paddle::platform::complex64(0.0, 0.0);
}
static paddle::platform::complex64 infinity() {
return paddle::platform::complex64(0.0, 0.0);
}
static paddle::platform::complex64 quiet_NaN() {
return paddle::platform::complex64(0.0, 0.0);
}
static paddle::platform::complex64 signaling_NaN() {
return paddle::platform::complex64(0.0, 0.0);
}
static paddle::platform::complex64 denorm_min() {
return paddle::platform::complex64(0.0, 0.0);
}
};
} // namespace std
#define MKL_Complex8 paddle::platform::complex64