blasproto.hpp File Reference

Templated BLAS interface declarations and wrappers. More...

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Namespaces
namespace	uni20
namespace	uni20::blas

Macros
#define	UNI20_INTERNAL_BLAS_FN(NAME)   UNI20_INTERNAL_CONCAT(UNI20_INTERNAL_CONCAT(BLASCHAR, NAME), _)
	Builds the mangled Fortran symbol name for the current BLAS instantiation.
#define	UNI20_INTERNAL_CONCAT(x, y)   UNI20_INTERNAL_CONCAT2(x, y)
	Internal macro that concatenates two tokens after expanding both arguments.
#define	UNI20_INTERNAL_CONCAT2(x, y)   x##y
	Internal macro that concatenates two tokens without macro expansion on x.

Functions
void	uni20::blas::gemm (char transa, char transb, blas_int m, blas_int n, blas_int k, BLASTYPE alpha, BLASTYPE const *A, blas_int lda, BLASTYPE const *B, blas_int ldb, BLASTYPE beta, BLASTYPE *C, blas_int ldc)
void	uni20::blas::gemv (char trans, blas_int m, blas_int n, BLASTYPE alpha, BLASTYPE const *A, blas_int lda, BLASTYPE const *x, blas_int incx, BLASTYPE beta, BLASTYPE *y, blas_int incy)
void	uni20::blas::ger (blas_int m, blas_int n, BLASTYPE alpha, BLASTYPE const *x, blas_int incx, BLASTYPE const *y, blas_int incy, BLASTYPE *A, blas_int lda)
void	uni20::blas::syr2k (char uplo, char trans, blas_int n, blas_int k, BLASTYPE alpha, BLASTYPE const *A, blas_int lda, BLASTYPE const *B, blas_int ldb, BLASTYPE beta, BLASTYPE *C, blas_int ldc)
void	uni20::blas::syrk (char uplo, char trans, blas_int n, blas_int k, BLASTYPE alpha, BLASTYPE const *A, blas_int lda, BLASTYPE beta, BLASTYPE *C, blas_int ldc)

Detailed Description

Templated BLAS interface declarations and wrappers.

This header defines overloads for BLAS level 2 and 3 routines such as gemm, gemv, syrk, herk, etc., using Fortran-style symbols like dgemm_, zher2k_, and so on.

It is designed to be included multiple times, with the following preprocessor macros defined before each inclusion:

• BLASCHAR: One of s, d, c, or z, indicating the BLAS prefix.
• BLASTYPE: The C++ scalar type corresponding to the BLAS prefix.
• BLASREALTYPE: The corresponding real type, used by herk/her2k.
• BLASCOMPLEX: Either 0 (for real types) or 1 (for complex types).

Each inclusion generates extern "C" declarations and inline C++ overloads, optionally including trace hooks via UNI20_EXTERNAL_API_CALL.

Note

This file must not use #pragma once or include guards.

Valid combinations of macros:

Fortran Type	BLASCHAR	BLASTYPE	BLASREALTYPE	BLASCOMPLEX
REAL	s	float32	float32	0
DOUBLE PRECISION	d	float64	float64	0
COMPLEX	c	complex64	float32	1
COMPLEX*16	z	complex128	float64	1