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756 lines
22 KiB
C
756 lines
22 KiB
C
/*
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File: vBLAS.h
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Contains: Header for the Basic Linear Algebra Subprograms, with Apple extensions.
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Version: QuickTime 7.3
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Copyright: (c) 2007 (c) 2000-2001 by Apple Computer, Inc., all rights reserved.
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Bugs?: For bug reports, consult the following page on
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the World Wide Web:
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http://developer.apple.com/bugreporter/
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*/
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/* ==========================================================================================================================*/
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/*
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=================================================================================================
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Definitions of the Basic Linear Algebra Subprograms (BLAS) as provided by Apple Computer. At
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present this is a subset of the "legacy" FORTRAN and C interfaces. Only single precision forms
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are provided, and only the most useful routines. For example only the general matrix forms are
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provided, not the symmetric, Hermitian, or triangular forms. A few additional functions, unique
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to Mac OS, have also been provided. These are clearly documented as Apple extensions.
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Documentation on the BLAS standard, including reference implementations, can be found on the web
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starting from the BLAS FAQ page at these URLs (at least as of August 2000):
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http://www.netlib.org/blas/faq.html
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http://www.netlib.org/blas/blast-forum/blast-forum.html
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=================================================================================================
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*/
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/*
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=================================================================================================
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Matrix shape and storage
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========================
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Keeping the various matrix shape and storage parameters straight can be difficult. The BLAS
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documentation generally makes a distinction between the concpetual "matrix" and the physical
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"array". However there are a number of places where this becomes fuzzy because of the overall
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bias towards FORTRAN's column major storage. The confusion is made worse by style differences
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between the level 2 and level 3 functions. It is amplified further by the explicit choice of row
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or column major storage in the C interface.
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The storage order does not affect the actual computation that is performed. That is, it does not
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affect the results other than where they appear in memory. It does affect the values passed
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for so-called "leading dimension" parameters, such as lda in sgemv. These are always the major
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stride in storage, allowing operations on rectangular subsets of larger matrices. For row major
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storage this is the number of columns in the parent matrix, and for column major storage this is
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the number of rows in the parent matrix.
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For the level 2 functions, which deal with only a single matrix, the matrix shape parameters are
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always M and N. These are the logical shape of the matrix, M rows by N columns. The transpose
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parameter, such as transA in sgemv, defines whether the regular matrix or its transpose is used
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in the operation. This affects the implicit length of the input and output vectors. For example,
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if the regular matrix A is used in sgemv, the input vector X has length N, the number of columns
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of A, and the output vector Y has length M, the number of rows of A. The length of the input and
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output vectors is not affected by the storage order of the matrix.
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The level 3 functions deal with 2 input matrices and one output matrix, the matrix shape parameters
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are M, N, and K. The logical shape of the output matrix is always M by N, while K is the common
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dimension of the input matrices. Like level 2, the transpose parameters, such as transA and transB
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in sgemm, define whether the regular input or its transpose is used in the operation. However
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unlike level 2, in level 3 the transpose parameters affect the implicit shape of the input matrix.
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Consider sgemm, which computes "C = (alpha * A * B) + (beta * C)", where A and B might be regular
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or transposed. The logical shape of C is always M rows by N columns. The physical shape depends
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on the storage order parameter. Using column major storage the declaration of C (the array) in C
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(the language) would be something like "float C[N][M]". The logical shape of A without transposition
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is M by K, and B is K by N. The one storage order parameter affects all three matrices.
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For those readers still wondering about the style differences between level 2 and level 3, they
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involve whether the input or output shapes are explicit. For level 2, the input matrix shape is
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always M by N. The input and output vector lengths are implicit and vary according to the
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transpose parameter. For level 3, the output matrix shape is always M by N. The input matrix
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shapes are implicit and vary according to the transpose parameters.
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=================================================================================================
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*/
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/* ==========================================================================================================================*/
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#ifndef __VBLAS__
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#define __VBLAS__
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#ifndef __CONDITIONALMACROS__
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#include <ConditionalMacros.h>
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#endif
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#if PRAGMA_ONCE
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#pragma once
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if PRAGMA_IMPORT
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#pragma import on
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#endif
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#if PRAGMA_STRUCT_ALIGN
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#pragma options align=power
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#elif PRAGMA_STRUCT_PACKPUSH
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#pragma pack(push, 2)
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#elif PRAGMA_STRUCT_PACK
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#pragma pack(2)
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#endif
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#if PRAGMA_ENUM_ALWAYSINT
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#if defined(__fourbyteints__) && !__fourbyteints__
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#define __VBLAS__RESTORE_TWOBYTEINTS
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#pragma fourbyteints on
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#endif
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#pragma enumsalwaysint on
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#elif PRAGMA_ENUM_OPTIONS
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#pragma option enum=int
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#elif PRAGMA_ENUM_PACK
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#if __option(pack_enums)
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#define __VBLAS__RESTORE_PACKED_ENUMS
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#pragma options(!pack_enums)
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#endif
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#endif
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/*
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==========================================================================================================================
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Types and constants
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===================
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*/
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enum CBLAS_ORDER {
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CblasRowMajor = 101,
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CblasColMajor = 102
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};
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typedef enum CBLAS_ORDER CBLAS_ORDER;
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enum CBLAS_TRANSPOSE {
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CblasNoTrans = 111,
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CblasTrans = 112,
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CblasConjTrans = 113
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};
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typedef enum CBLAS_TRANSPOSE CBLAS_TRANSPOSE;
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enum CBLAS_UPLO {
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CblasUpper = 121,
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CblasLower = 122
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};
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typedef enum CBLAS_UPLO CBLAS_UPLO;
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enum CBLAS_DIAG {
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CblasNonUnit = 131,
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CblasUnit = 132
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};
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typedef enum CBLAS_DIAG CBLAS_DIAG;
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enum CBLAS_SIDE {
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CblasLeft = 141,
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CblasRight = 142
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};
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typedef enum CBLAS_SIDE CBLAS_SIDE;
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/*
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------------------------------------------------------------------------------------------------------------------
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IsAlignedCount - True if an integer is positive and a multiple of 4. Negative strides are considered unaligned.
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IsAlignedAddr - True if an address is a multiple of 16.
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*/
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#define IsAlignedCount(n) ( (n > 0) && ((n & 3L) == 0) )
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#define IsAlignedAddr(a) ( ((long)a & 15L) == 0 )
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/*
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==========================================================================================================================
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==========================================================================================================================
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Legacy BLAS Functions
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==========================================================================================================================
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==========================================================================================================================
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*/
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/*
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==========================================================================================================================
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Level 1 Single Precision Functions
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==================================
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*/
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/*
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* cblas_sdot()
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*
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* Availability:
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* Non-Carbon CFM: in vecLib 1.0.2 and later
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* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( float )
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cblas_sdot(
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int N,
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const float * X,
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int incX,
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const float * Y,
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int incY);
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/*
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* cblas_snrm2()
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*
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* Availability:
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* Non-Carbon CFM: in vecLib 1.0.2 and later
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* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( float )
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cblas_snrm2(
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int N,
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const float * X,
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int incX);
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/*
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* cblas_sasum()
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*
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* Availability:
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* Non-Carbon CFM: in vecLib 1.0.2 and later
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* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( float )
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cblas_sasum(
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int N,
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const float * X,
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int incX);
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/*
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* cblas_isamax()
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*
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* Availability:
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* Non-Carbon CFM: in vecLib 1.0.2 and later
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* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( int )
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cblas_isamax(
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int N,
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const float * X,
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int incX);
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/*
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* cblas_sswap()
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*
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* Availability:
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* Non-Carbon CFM: in vecLib 1.0.2 and later
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* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( void )
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cblas_sswap(
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int N,
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float * X,
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int incX,
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float * Y,
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int incY);
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/*
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* cblas_scopy()
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*
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* Availability:
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* Non-Carbon CFM: in vecLib 1.0.2 and later
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* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( void )
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cblas_scopy(
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int N,
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const float * X,
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int incX,
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float * Y,
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int incY);
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/*
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* cblas_saxpy()
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*
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* Availability:
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* Non-Carbon CFM: in vecLib 1.0.2 and later
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* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( void )
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cblas_saxpy(
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int N,
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float alpha,
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const float * X,
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int incX,
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float * Y,
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int incY);
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/*
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* cblas_srot()
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*
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* Availability:
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* Non-Carbon CFM: in vecLib 1.0.2 and later
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* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( void )
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cblas_srot(
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int N,
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float * X,
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int incX,
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float * Y,
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int incY,
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float c,
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float s);
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/*
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* cblas_sscal()
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*
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* Availability:
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* Non-Carbon CFM: in vecLib 1.0.2 and later
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* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( void )
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cblas_sscal(
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int N,
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float alpha,
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float * X,
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int incX);
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/*
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==========================================================================================================================
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Level 1 Double Precision Functions
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==================================
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*/
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/* *** TBD ****/
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/*
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==========================================================================================================================
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Level 1 Complex Single Precision Functions
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==========================================
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*/
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/* *** TBD ****/
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/*
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==========================================================================================================================
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Level 2 Single Precision Functions
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==================================
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*/
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/*
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* cblas_sgemv()
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*
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* Availability:
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* Non-Carbon CFM: in vecLib 1.0.2 and later
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* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( void )
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cblas_sgemv(
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CBLAS_ORDER order,
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CBLAS_TRANSPOSE transA,
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int M,
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int N,
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float alpha,
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const float * A,
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int lda,
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const float * X,
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int incX,
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float beta,
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float * Y,
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int incY);
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/*
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==========================================================================================================================
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Level 2 Double Precision Functions
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==================================
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*/
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/* *** TBD ****/
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/*
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==========================================================================================================================
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Level 2 Complex Single Precision Functions
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==========================================
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*/
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/* *** TBD ****/
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/*
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==========================================================================================================================
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Level 3 Single Precision Functions
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==================================
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*/
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/*
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* cblas_sgemm()
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*
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* Availability:
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* Non-Carbon CFM: in vecLib 1.0.2 and later
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* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( void )
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cblas_sgemm(
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CBLAS_ORDER order,
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CBLAS_TRANSPOSE transA,
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CBLAS_TRANSPOSE transB,
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int M,
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int N,
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int K,
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float alpha,
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const float * A,
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int lda,
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const float * B,
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int ldb,
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float beta,
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float * C,
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int ldc);
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/*
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==========================================================================================================================
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Level 3 Double Precision Functions
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==================================
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*/
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/* *** TBD ****/
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/*
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==========================================================================================================================
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Level 3 Complex Single Precision Functions
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==========================================
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*/
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/* *** TBD ****/
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/*
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==========================================================================================================================
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==========================================================================================================================
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Latest Standard BLAS Functions
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==========================================================================================================================
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==========================================================================================================================
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*/
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/* *** TBD ****/
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/*
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==========================================================================================================================
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==========================================================================================================================
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Additional Functions from Apple
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==========================================================================================================================
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==========================================================================================================================
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*/
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/*
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-------------------------------------------------------------------------------------------------
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These routines provide optimized, AltiVec-only support for common small matrix multiplications.
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They do not check for the availability of AltiVec instructions or parameter errors. They just do
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the multiplication as fast as possible. Matrices are presumed to use row major storage. Because
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these are all square, column major matrices can be multiplied by simply reversing the parameters.
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*/
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#ifdef __VEC__
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typedef vector float ConstVectorFloat;
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/*
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* vMultVecMat_4x4()
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*
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* Availability:
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* Non-Carbon CFM: in vecLib 1.0.2 and later
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* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( void )
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vMultVecMat_4x4(
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ConstVectorFloat X[1],
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ConstVectorFloat A[4][1],
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vector float Y[1]);
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/*
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* vMultMatVec_4x4()
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*
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* Availability:
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* Non-Carbon CFM: in vecLib 1.0.2 and later
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* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( void )
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vMultMatVec_4x4(
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ConstVectorFloat A[4][1],
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ConstVectorFloat X[1],
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vector float Y[1]);
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/*
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* vMultMatMat_4x4()
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*
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* Availability:
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* Non-Carbon CFM: in vecLib 1.0.2 and later
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* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( void )
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vMultMatMat_4x4(
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ConstVectorFloat A[4][1],
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ConstVectorFloat B[4][1],
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vector float C[4][1]);
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/*
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* vMultVecMat_8x8()
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*
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* Availability:
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* Non-Carbon CFM: in vecLib 1.0.2 and later
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* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( void )
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vMultVecMat_8x8(
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ConstVectorFloat X[2],
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ConstVectorFloat A[8][2],
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vector float Y[2]);
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/*
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* vMultMatVec_8x8()
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*
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* Availability:
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* Non-Carbon CFM: in vecLib 1.0.2 and later
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* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( void )
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vMultMatVec_8x8(
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ConstVectorFloat A[8][2],
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ConstVectorFloat X[2],
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vector float Y[2]);
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/*
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* vMultMatMat_8x8()
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*
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* Availability:
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* Non-Carbon CFM: in vecLib 1.0.2 and later
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* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
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* Mac OS X: in version 10.0 and later
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*/
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EXTERN_API_C( void )
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vMultMatMat_8x8(
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ConstVectorFloat A[8][2],
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ConstVectorFloat B[8][2],
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vector float C[8][2]);
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/*
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* vMultVecMat_16x16()
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*
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* Availability:
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* Non-Carbon CFM: in vecLib 1.0.2 and later
|
|
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
|
|
* Mac OS X: in version 10.0 and later
|
|
*/
|
|
EXTERN_API_C( void )
|
|
vMultVecMat_16x16(
|
|
ConstVectorFloat X[4],
|
|
ConstVectorFloat A[16][4],
|
|
vector float Y[4]);
|
|
|
|
|
|
/*
|
|
* vMultMatVec_16x16()
|
|
*
|
|
* Availability:
|
|
* Non-Carbon CFM: in vecLib 1.0.2 and later
|
|
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
|
|
* Mac OS X: in version 10.0 and later
|
|
*/
|
|
EXTERN_API_C( void )
|
|
vMultMatVec_16x16(
|
|
ConstVectorFloat A[16][4],
|
|
ConstVectorFloat X[4],
|
|
vector float Y[4]);
|
|
|
|
|
|
/*
|
|
* vMultMatMat_16x16()
|
|
*
|
|
* Availability:
|
|
* Non-Carbon CFM: in vecLib 1.0.2 and later
|
|
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
|
|
* Mac OS X: in version 10.0 and later
|
|
*/
|
|
EXTERN_API_C( void )
|
|
vMultMatMat_16x16(
|
|
ConstVectorFloat A[16][4],
|
|
ConstVectorFloat B[16][4],
|
|
vector float C[16][4]);
|
|
|
|
|
|
|
|
/*
|
|
* vMultVecMat_32x32()
|
|
*
|
|
* Availability:
|
|
* Non-Carbon CFM: in vecLib 1.0.2 and later
|
|
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
|
|
* Mac OS X: in version 10.0 and later
|
|
*/
|
|
EXTERN_API_C( void )
|
|
vMultVecMat_32x32(
|
|
ConstVectorFloat X[8],
|
|
ConstVectorFloat A[32][8],
|
|
vector float Y[8]);
|
|
|
|
|
|
/*
|
|
* vMultMatVec_32x32()
|
|
*
|
|
* Availability:
|
|
* Non-Carbon CFM: in vecLib 1.0.2 and later
|
|
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
|
|
* Mac OS X: in version 10.0 and later
|
|
*/
|
|
EXTERN_API_C( void )
|
|
vMultMatVec_32x32(
|
|
ConstVectorFloat A[32][8],
|
|
ConstVectorFloat X[8],
|
|
vector float Y[8]);
|
|
|
|
|
|
/*
|
|
* vMultMatMat_32x32()
|
|
*
|
|
* Availability:
|
|
* Non-Carbon CFM: in vecLib 1.0.2 and later
|
|
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
|
|
* Mac OS X: in version 10.0 and later
|
|
*/
|
|
EXTERN_API_C( void )
|
|
vMultMatMat_32x32(
|
|
ConstVectorFloat A[32][8],
|
|
ConstVectorFloat B[32][8],
|
|
vector float C[32][8]);
|
|
|
|
|
|
#endif /* defined(__VEC__) */
|
|
|
|
/*
|
|
==========================================================================================================================
|
|
Error handling
|
|
==============
|
|
*/
|
|
|
|
|
|
/*
|
|
-------------------------------------------------------------------------------------------------
|
|
The BLAS standard requires that parameter errors be reported and cause the program to terminate.
|
|
The default behavior for the Mac OS implementation of the BLAS is to print a message in English
|
|
to stdout using printf and call exit with EXIT_FAILURE as the status. If this is adequate, then
|
|
you need do nothing more or worry about error handling.
|
|
The BLAS standard also mentions a function, cblas_xerbla, suggesting that a program provide its
|
|
own implementation to override the default error handling. This will not work in the shared
|
|
library environment of Mac OS 9. Instead the Mac OS implementation provides a means to install
|
|
an error handler. There can only be one active error handler, installing a new one causes any
|
|
previous handler to be forgotten. Passing a null function pointer installs the default handler.
|
|
The default handler is automatically installed at startup and implements the default behavior
|
|
defined above.
|
|
An error handler may return, it need not abort the program. If the error handler returns, the
|
|
BLAS routine also returns immediately without performing any processing. Level 1 functions that
|
|
return a numeric value return zero if the error handler returns.
|
|
*/
|
|
|
|
typedef CALLBACK_API_C( void , BLASParamErrorProc )(const char *funcName, const char *paramName, const int *paramPos, const int *paramValue);
|
|
/*
|
|
* SetBLASParamErrorProc()
|
|
*
|
|
* Availability:
|
|
* Non-Carbon CFM: in vecLib 1.0.2 and later
|
|
* CarbonLib: not in Carbon, but vecLib is compatible with CarbonLib
|
|
* Mac OS X: in version 10.0 and later
|
|
*/
|
|
EXTERN_API_C( void )
|
|
SetBLASParamErrorProc(BLASParamErrorProc ErrorProc);
|
|
|
|
|
|
|
|
/* ==========================================================================================================================*/
|
|
|
|
|
|
|
|
|
|
#if PRAGMA_ENUM_ALWAYSINT
|
|
#pragma enumsalwaysint reset
|
|
#ifdef __VBLAS__RESTORE_TWOBYTEINTS
|
|
#pragma fourbyteints off
|
|
#endif
|
|
#elif PRAGMA_ENUM_OPTIONS
|
|
#pragma option enum=reset
|
|
#elif defined(__VBLAS__RESTORE_PACKED_ENUMS)
|
|
#pragma options(pack_enums)
|
|
#endif
|
|
|
|
#if PRAGMA_STRUCT_ALIGN
|
|
#pragma options align=reset
|
|
#elif PRAGMA_STRUCT_PACKPUSH
|
|
#pragma pack(pop)
|
|
#elif PRAGMA_STRUCT_PACK
|
|
#pragma pack()
|
|
#endif
|
|
|
|
#ifdef PRAGMA_IMPORT_OFF
|
|
#pragma import off
|
|
#elif PRAGMA_IMPORT
|
|
#pragma import reset
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __VBLAS__ */
|
|
|