mirror of
https://github.com/CNugteren/CLBlast.git
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398 lines
25 KiB
C
398 lines
25 KiB
C
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// =================================================================================================
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// This file is part of the CLBlast project. The project is licensed under Apache Version 2.0. This
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// project loosely follows the Google C++ styleguide and uses a tab-size of two spaces and a max-
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// width of 100 characters per line.
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//
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// Author(s):
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// Cedric Nugteren <www.cedricnugteren.nl>
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//
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// This file contains the plain C interface to the CLBlast BLAS routines, the counter-part of the
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// normal 'clblast.h' C++ header.
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//
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// =================================================================================================
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#ifndef CLBLAST_CLBLAST_C_H_
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#define CLBLAST_CLBLAST_C_H_
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// Includes the normal OpenCL C header
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#if defined(__APPLE__) || defined(__MACOSX)
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#include <OpenCL/opencl.h>
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#else
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#include <CL/opencl.h>
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#endif
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// =================================================================================================
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// Status codes. These codes can be returned by functions declared in this header file. The error
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// codes match either the standard OpenCL error codes or the clBLAS error codes.
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typedef enum StatusCode_ {
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// Status codes in common with the OpenCL standard
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kSuccess = 0, // CL_SUCCESS
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kTempBufferAllocFailure = -4, // CL_MEM_OBJECT_ALLOCATION_FAILURE
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kBuildProgramFailure = -11, // CL_BUILD_PROGRAM_FAILURE: OpenCL compilation error
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kInvalidBinary = -42, // CL_INVALID_BINARY
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kInvalidKernel = -48, // CL_INVALID_KERNEL
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kInvalidLocalNumDimensions = -53, // CL_INVALID_WORK_DIMENSION: Too many thread dimensions
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kInvalidLocalThreadsTotal = -54, // CL_INVALID_WORK_GROUP_SIZE: Too many threads in total
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kInvalidLocalThreadsDim = -55, // CL_INVALID_WORK_ITEM_SIZE: ... or for a specific dimension
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kInvalidTempBufferSize = -61, // CL_INVALID_BUFFER_SIZE
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// Status codes in common with the clBLAS library
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kNotImplemented = -1024, // Routine or functionality not implemented yet
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kInvalidMatrixA = -1022, // Matrix A is not a valid OpenCL buffer
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kInvalidMatrixB = -1021, // Matrix B is not a valid OpenCL buffer
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kInvalidMatrixC = -1020, // Matrix C is not a valid OpenCL buffer
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kInvalidVectorX = -1019, // Vector X is not a valid OpenCL buffer
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kInvalidVectorY = -1018, // Vector Y is not a valid OpenCL buffer
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kInvalidDimension = -1017, // Dimensions M, N, and K have to be larger than zero
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kInvalidLeadDimA = -1016, // LD of A is smaller than the matrix's first dimension
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kInvalidLeadDimB = -1015, // LD of B is smaller than the matrix's first dimension
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kInvalidLeadDimC = -1014, // LD of C is smaller than the matrix's first dimension
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kInvalidIncrementX = -1013, // Increment of vector X cannot be zero
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kInvalidIncrementY = -1012, // Increment of vector Y cannot be zero
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kInsufficientMemoryA = -1011, // Matrix A's OpenCL buffer is too small
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kInsufficientMemoryB = -1010, // Matrix B's OpenCL buffer is too small
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kInsufficientMemoryC = -1009, // Matrix C's OpenCL buffer is too small
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kInsufficientMemoryX = -1008, // Vector X's OpenCL buffer is too small
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kInsufficientMemoryY = -1007, // Vector Y's OpenCL buffer is too small
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// Custom additional status codes for CLBlast
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kKernelLaunchError = -2048, // Problem occurred when enqueuing the kernel
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kKernelRunError = -2047, // Problem occurred while running the kernel
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kInvalidLocalMemUsage = -2046, // Not enough local memory available on this device
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kNoHalfPrecision = -2045, // Half precision (16-bits) not supported by the device
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kNoDoublePrecision = -2044, // Double precision (64-bits) not supported by the device
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} StatusCode;
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// Matrix layout and transpose types
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typedef enum Layout_ { kRowMajor, kColMajor } Layout;
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typedef enum Transpose_ { kNo, kYes, kConjugate } Transpose;
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typedef enum Side_ { kLeft, kRight } Side;
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typedef enum Triangle_ { kUpper, kLower } Triangle;
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typedef enum Diagonal_ { kUnit, kNonUnit } Diagonal;
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// Precision scoped enum (values in bits)
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typedef enum Precision_ { kHalf = 16, kSingle = 32, kDouble = 64,
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kComplexSingle = 3232, kComplexDouble = 6464 } Precision;
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// =================================================================================================
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// BLAS level-1 (vector-vector) routines
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// =================================================================================================
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// Vector-times-constant plus vector: SAXPY/DAXPY/CAXPY/ZAXPY
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StatusCode CLBlastSaxpy(const size_t n,
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const float alpha,
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const cl_mem x_buffer, const size_t x_offset, const size_t x_inc,
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cl_mem y_buffer, const size_t y_offset, const size_t y_inc,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastDaxpy(const size_t n,
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const double alpha,
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const cl_mem x_buffer, const size_t x_offset, const size_t x_inc,
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cl_mem y_buffer, const size_t y_offset, const size_t y_inc,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastCaxpy(const size_t n,
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const cl_float2 alpha,
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const cl_mem x_buffer, const size_t x_offset, const size_t x_inc,
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cl_mem y_buffer, const size_t y_offset, const size_t y_inc,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastZaxpy(const size_t n,
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const cl_double2 alpha,
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const cl_mem x_buffer, const size_t x_offset, const size_t x_inc,
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cl_mem y_buffer, const size_t y_offset, const size_t y_inc,
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cl_command_queue* queue, cl_event* event);
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// =================================================================================================
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// BLAS level-2 (matrix-vector) routines
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// =================================================================================================
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// Generalized matrix-vector multiplication: SGEMV/DGEMV/CGEMV/ZGEMV
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StatusCode CLBlastSgemv(const Layout layout, const Transpose a_transpose,
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const size_t m, const size_t n,
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const float alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem x_buffer, const size_t x_offset, const size_t x_inc,
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const float beta,
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cl_mem y_buffer, const size_t y_offset, const size_t y_inc,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastDgemv(const Layout layout, const Transpose a_transpose,
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const size_t m, const size_t n,
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const double alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem x_buffer, const size_t x_offset, const size_t x_inc,
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const double beta,
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cl_mem y_buffer, const size_t y_offset, const size_t y_inc,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastCgemv(const Layout layout, const Transpose a_transpose,
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const size_t m, const size_t n,
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const cl_float2 alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem x_buffer, const size_t x_offset, const size_t x_inc,
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const cl_float2 beta,
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cl_mem y_buffer, const size_t y_offset, const size_t y_inc,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastZgemv(const Layout layout, const Transpose a_transpose,
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const size_t m, const size_t n,
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const cl_double2 alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem x_buffer, const size_t x_offset, const size_t x_inc,
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const cl_double2 beta,
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cl_mem y_buffer, const size_t y_offset, const size_t y_inc,
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cl_command_queue* queue, cl_event* event);
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// Hermitian matrix-vector multiplication: CHEMV/ZHEMV
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StatusCode CLBlastChemv(const Layout layout, const Triangle triangle,
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const size_t n,
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const cl_float2 alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem x_buffer, const size_t x_offset, const size_t x_inc,
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const cl_float2 beta,
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cl_mem y_buffer, const size_t y_offset, const size_t y_inc,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastZhemv(const Layout layout, const Triangle triangle,
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const size_t n,
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const cl_double2 alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem x_buffer, const size_t x_offset, const size_t x_inc,
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const cl_double2 beta,
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cl_mem y_buffer, const size_t y_offset, const size_t y_inc,
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cl_command_queue* queue, cl_event* event);
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// Symmetric matrix-vector multiplication: SSYMV/DSYMV
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StatusCode CLBlastSsymv(const Layout layout, const Triangle triangle,
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const size_t n,
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const float alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem x_buffer, const size_t x_offset, const size_t x_inc,
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const float beta,
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cl_mem y_buffer, const size_t y_offset, const size_t y_inc,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastDsymv(const Layout layout, const Triangle triangle,
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const size_t n,
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const double alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem x_buffer, const size_t x_offset, const size_t x_inc,
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const double beta,
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cl_mem y_buffer, const size_t y_offset, const size_t y_inc,
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cl_command_queue* queue, cl_event* event);
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// =================================================================================================
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// BLAS level-3 (matrix-matrix) routines
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// =================================================================================================
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// Generalized matrix-matrix multiplication: SGEMM/DGEMM/CGEMM/ZGEMM
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StatusCode CLBlastSgemm(const Layout layout, const Transpose a_transpose, const Transpose b_transpose,
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const size_t m, const size_t n, const size_t k,
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const float alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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const float beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastDgemm(const Layout layout, const Transpose a_transpose, const Transpose b_transpose,
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const size_t m, const size_t n, const size_t k,
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const double alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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const double beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastCgemm(const Layout layout, const Transpose a_transpose, const Transpose b_transpose,
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const size_t m, const size_t n, const size_t k,
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const cl_float2 alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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const cl_float2 beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastZgemm(const Layout layout, const Transpose a_transpose, const Transpose b_transpose,
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const size_t m, const size_t n, const size_t k,
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const cl_double2 alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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const cl_double2 beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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// Symmetric matrix-matrix multiplication: SSYMM/DSYMM/CSYMM/ZSYMM
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StatusCode CLBlastSsymm(const Layout layout, const Side side, const Triangle triangle,
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const size_t m, const size_t n,
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const float alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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const float beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastDsymm(const Layout layout, const Side side, const Triangle triangle,
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const size_t m, const size_t n,
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const double alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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const double beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastCsymm(const Layout layout, const Side side, const Triangle triangle,
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const size_t m, const size_t n,
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const cl_float2 alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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const cl_float2 beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastZsymm(const Layout layout, const Side side, const Triangle triangle,
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const size_t m, const size_t n,
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const cl_double2 alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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const cl_double2 beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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// Hermitian matrix-matrix multiplication: CHEMM/ZHEMM
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StatusCode CLBlastChemm(const Layout layout, const Side side, const Triangle triangle,
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const size_t m, const size_t n,
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const cl_float2 alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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const cl_float2 beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastZhemm(const Layout layout, const Side side, const Triangle triangle,
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const size_t m, const size_t n,
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const cl_double2 alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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const cl_double2 beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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// Rank-K update of a symmetric matrix: SSYRK/DSYRK/CSYRK/ZSYRK
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StatusCode CLBlastSsyrk(const Layout layout, const Triangle triangle, const Transpose a_transpose,
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const size_t n, const size_t k,
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const float alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const float beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastDsyrk(const Layout layout, const Triangle triangle, const Transpose a_transpose,
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const size_t n, const size_t k,
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const double alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const double beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastCsyrk(const Layout layout, const Triangle triangle, const Transpose a_transpose,
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const size_t n, const size_t k,
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const cl_float2 alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_float2 beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastZsyrk(const Layout layout, const Triangle triangle, const Transpose a_transpose,
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const size_t n, const size_t k,
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const cl_double2 alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_double2 beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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// Rank-K update of a hermitian matrix: CHERK/ZHERK
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StatusCode CLBlastCherk(const Layout layout, const Triangle triangle, const Transpose a_transpose,
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const size_t n, const size_t k,
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const float alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const float beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastZherk(const Layout layout, const Triangle triangle, const Transpose a_transpose,
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const size_t n, const size_t k,
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const double alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const double beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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// Rank-2K update of a symmetric matrix: SSYR2K/DSYR2K/CSYR2K/ZSYR2K
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StatusCode CLBlastSsyr2k(const Layout layout, const Triangle triangle, const Transpose ab_transpose,
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const size_t n, const size_t k,
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const float alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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const float beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastDsyr2k(const Layout layout, const Triangle triangle, const Transpose ab_transpose,
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const size_t n, const size_t k,
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const double alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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const double beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastCsyr2k(const Layout layout, const Triangle triangle, const Transpose ab_transpose,
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const size_t n, const size_t k,
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const cl_float2 alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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const cl_float2 beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastZsyr2k(const Layout layout, const Triangle triangle, const Transpose ab_transpose,
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const size_t n, const size_t k,
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const cl_double2 alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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const cl_double2 beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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// Rank-2K update of a hermitian matrix: CHER2K/ZHER2K
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StatusCode CLBlastCher2k(const Layout layout, const Triangle triangle, const Transpose ab_transpose,
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const size_t n, const size_t k,
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const cl_float2 alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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const float beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastZher2k(const Layout layout, const Triangle triangle, const Transpose ab_transpose,
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const size_t n, const size_t k,
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const cl_double2 alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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const cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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const double beta,
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cl_mem c_buffer, const size_t c_offset, const size_t c_ld,
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cl_command_queue* queue, cl_event* event);
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// Triangular matrix-matrix multiplication: STRMM/DTRMM/CTRMM/ZTRMM
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StatusCode CLBlastStrmm(const Layout layout, const Side side, const Triangle triangle, const Transpose a_transpose, const Diagonal diagonal,
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const size_t m, const size_t n,
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const float alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastDtrmm(const Layout layout, const Side side, const Triangle triangle, const Transpose a_transpose, const Diagonal diagonal,
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const size_t m, const size_t n,
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const double alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastCtrmm(const Layout layout, const Side side, const Triangle triangle, const Transpose a_transpose, const Diagonal diagonal,
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const size_t m, const size_t n,
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const cl_float2 alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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cl_command_queue* queue, cl_event* event);
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StatusCode CLBlastZtrmm(const Layout layout, const Side side, const Triangle triangle, const Transpose a_transpose, const Diagonal diagonal,
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const size_t m, const size_t n,
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const cl_double2 alpha,
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const cl_mem a_buffer, const size_t a_offset, const size_t a_ld,
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cl_mem b_buffer, const size_t b_offset, const size_t b_ld,
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cl_command_queue* queue, cl_event* event);
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// =================================================================================================
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// CLBLAST_CLBLAST_C_H_
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#endif
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