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// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
// Copyright 2008-2016 National ICT Australia (NICTA)
//
// 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.
// ------------------------------------------------------------------------
#ifdef ARMA_USE_BLAS
#if defined(dgemm) || defined(DGEMM)
#pragma message ("WARNING: detected possible interference with definitions of BLAS functions;")
#pragma message ("WARNING: include the armadillo header before any other header as a workaround")
#endif
#if !defined(ARMA_BLAS_CAPITALS)
#define arma_sasum sasum
#define arma_dasum dasum
#define arma_snrm2 snrm2
#define arma_dnrm2 dnrm2
#define arma_sdot sdot
#define arma_ddot ddot
#define arma_sgemv sgemv
#define arma_dgemv dgemv
#define arma_cgemv cgemv
#define arma_zgemv zgemv
#define arma_sgemm sgemm
#define arma_dgemm dgemm
#define arma_cgemm cgemm
#define arma_zgemm zgemm
#define arma_ssyrk ssyrk
#define arma_dsyrk dsyrk
#define arma_cherk cherk
#define arma_zherk zherk
#else
#define arma_sasum SASUM
#define arma_dasum DASUM
#define arma_snrm2 SNRM2
#define arma_dnrm2 DNRM2
#define arma_sdot SDOT
#define arma_ddot DDOT
#define arma_sgemv SGEMV
#define arma_dgemv DGEMV
#define arma_cgemv CGEMV
#define arma_zgemv ZGEMV
#define arma_sgemm SGEMM
#define arma_dgemm DGEMM
#define arma_cgemm CGEMM
#define arma_zgemm ZGEMM
#define arma_ssyrk SSYRK
#define arma_dsyrk DSYRK
#define arma_cherk CHERK
#define arma_zherk ZHERK
#endif
// NOTE: "For arguments of CHARACTER type, the character length is passed as a hidden argument at the end of the argument list."
// NOTE: https://gcc.gnu.org/onlinedocs/gfortran/Argument-passing-conventions.html
extern "C"
{
#if defined(ARMA_USE_FORTRAN_HIDDEN_ARGS)
float arma_fortran(arma_sasum)(const blas_int* n, const float* x, const blas_int* incx);
double arma_fortran(arma_dasum)(const blas_int* n, const double* x, const blas_int* incx);
float arma_fortran(arma_snrm2)(const blas_int* n, const float* x, const blas_int* incx);
double arma_fortran(arma_dnrm2)(const blas_int* n, const double* x, const blas_int* incx);
float arma_fortran(arma_sdot)(const blas_int* n, const float* x, const blas_int* incx, const float* y, const blas_int* incy);
double arma_fortran(arma_ddot)(const blas_int* n, const double* x, const blas_int* incx, const double* y, const blas_int* incy);
void arma_fortran(arma_sgemv)(const char* transA, const blas_int* m, const blas_int* n, const float* alpha, const float* A, const blas_int* ldA, const float* x, const blas_int* incx, const float* beta, float* y, const blas_int* incy, blas_len transA_len);
void arma_fortran(arma_dgemv)(const char* transA, const blas_int* m, const blas_int* n, const double* alpha, const double* A, const blas_int* ldA, const double* x, const blas_int* incx, const double* beta, double* y, const blas_int* incy, blas_len transA_len);
void arma_fortran(arma_cgemv)(const char* transA, const blas_int* m, const blas_int* n, const blas_cxf* alpha, const blas_cxf* A, const blas_int* ldA, const blas_cxf* x, const blas_int* incx, const blas_cxf* beta, blas_cxf* y, const blas_int* incy, blas_len transA_len);
void arma_fortran(arma_zgemv)(const char* transA, const blas_int* m, const blas_int* n, const blas_cxd* alpha, const blas_cxd* A, const blas_int* ldA, const blas_cxd* x, const blas_int* incx, const blas_cxd* beta, blas_cxd* y, const blas_int* incy, blas_len transA_len);
void arma_fortran(arma_sgemm)(const char* transA, const char* transB, const blas_int* m, const blas_int* n, const blas_int* k, const float* alpha, const float* A, const blas_int* ldA, const float* B, const blas_int* ldB, const float* beta, float* C, const blas_int* ldC, blas_len transA_len, blas_len transB_len);
void arma_fortran(arma_dgemm)(const char* transA, const char* transB, const blas_int* m, const blas_int* n, const blas_int* k, const double* alpha, const double* A, const blas_int* ldA, const double* B, const blas_int* ldB, const double* beta, double* C, const blas_int* ldC, blas_len transA_len, blas_len transB_len);
void arma_fortran(arma_cgemm)(const char* transA, const char* transB, const blas_int* m, const blas_int* n, const blas_int* k, const blas_cxf* alpha, const blas_cxf* A, const blas_int* ldA, const blas_cxf* B, const blas_int* ldB, const blas_cxf* beta, blas_cxf* C, const blas_int* ldC, blas_len transA_len, blas_len transB_len);
void arma_fortran(arma_zgemm)(const char* transA, const char* transB, const blas_int* m, const blas_int* n, const blas_int* k, const blas_cxd* alpha, const blas_cxd* A, const blas_int* ldA, const blas_cxd* B, const blas_int* ldB, const blas_cxd* beta, blas_cxd* C, const blas_int* ldC, blas_len transA_len, blas_len transB_len);
void arma_fortran(arma_ssyrk)(const char* uplo, const char* transA, const blas_int* n, const blas_int* k, const float* alpha, const float* A, const blas_int* ldA, const float* beta, float* C, const blas_int* ldC, blas_len uplo_len, blas_len transA_len);
void arma_fortran(arma_dsyrk)(const char* uplo, const char* transA, const blas_int* n, const blas_int* k, const double* alpha, const double* A, const blas_int* ldA, const double* beta, double* C, const blas_int* ldC, blas_len uplo_len, blas_len transA_len);
void arma_fortran(arma_cherk)(const char* uplo, const char* transA, const blas_int* n, const blas_int* k, const float* alpha, const blas_cxf* A, const blas_int* ldA, const float* beta, blas_cxf* C, const blas_int* ldC, blas_len uplo_len, blas_len transA_len);
void arma_fortran(arma_zherk)(const char* uplo, const char* transA, const blas_int* n, const blas_int* k, const double* alpha, const blas_cxd* A, const blas_int* ldA, const double* beta, blas_cxd* C, const blas_int* ldC, blas_len uplo_len, blas_len transA_len);
#else
// prototypes without hidden arguments
float arma_fortran(arma_sasum)(const blas_int* n, const float* x, const blas_int* incx);
double arma_fortran(arma_dasum)(const blas_int* n, const double* x, const blas_int* incx);
float arma_fortran(arma_snrm2)(const blas_int* n, const float* x, const blas_int* incx);
double arma_fortran(arma_dnrm2)(const blas_int* n, const double* x, const blas_int* incx);
float arma_fortran(arma_sdot)(const blas_int* n, const float* x, const blas_int* incx, const float* y, const blas_int* incy);
double arma_fortran(arma_ddot)(const blas_int* n, const double* x, const blas_int* incx, const double* y, const blas_int* incy);
void arma_fortran(arma_sgemv)(const char* transA, const blas_int* m, const blas_int* n, const float* alpha, const float* A, const blas_int* ldA, const float* x, const blas_int* incx, const float* beta, float* y, const blas_int* incy);
void arma_fortran(arma_dgemv)(const char* transA, const blas_int* m, const blas_int* n, const double* alpha, const double* A, const blas_int* ldA, const double* x, const blas_int* incx, const double* beta, double* y, const blas_int* incy);
void arma_fortran(arma_cgemv)(const char* transA, const blas_int* m, const blas_int* n, const blas_cxf* alpha, const blas_cxf* A, const blas_int* ldA, const blas_cxf* x, const blas_int* incx, const blas_cxf* beta, blas_cxf* y, const blas_int* incy);
void arma_fortran(arma_zgemv)(const char* transA, const blas_int* m, const blas_int* n, const blas_cxd* alpha, const blas_cxd* A, const blas_int* ldA, const blas_cxd* x, const blas_int* incx, const blas_cxd* beta, blas_cxd* y, const blas_int* incy);
void arma_fortran(arma_sgemm)(const char* transA, const char* transB, const blas_int* m, const blas_int* n, const blas_int* k, const float* alpha, const float* A, const blas_int* ldA, const float* B, const blas_int* ldB, const float* beta, float* C, const blas_int* ldC);
void arma_fortran(arma_dgemm)(const char* transA, const char* transB, const blas_int* m, const blas_int* n, const blas_int* k, const double* alpha, const double* A, const blas_int* ldA, const double* B, const blas_int* ldB, const double* beta, double* C, const blas_int* ldC);
void arma_fortran(arma_cgemm)(const char* transA, const char* transB, const blas_int* m, const blas_int* n, const blas_int* k, const blas_cxf* alpha, const blas_cxf* A, const blas_int* ldA, const blas_cxf* B, const blas_int* ldB, const blas_cxf* beta, blas_cxf* C, const blas_int* ldC);
void arma_fortran(arma_zgemm)(const char* transA, const char* transB, const blas_int* m, const blas_int* n, const blas_int* k, const blas_cxd* alpha, const blas_cxd* A, const blas_int* ldA, const blas_cxd* B, const blas_int* ldB, const blas_cxd* beta, blas_cxd* C, const blas_int* ldC);
void arma_fortran(arma_ssyrk)(const char* uplo, const char* transA, const blas_int* n, const blas_int* k, const float* alpha, const float* A, const blas_int* ldA, const float* beta, float* C, const blas_int* ldC);
void arma_fortran(arma_dsyrk)(const char* uplo, const char* transA, const blas_int* n, const blas_int* k, const double* alpha, const double* A, const blas_int* ldA, const double* beta, double* C, const blas_int* ldC);
void arma_fortran(arma_cherk)(const char* uplo, const char* transA, const blas_int* n, const blas_int* k, const float* alpha, const blas_cxf* A, const blas_int* ldA, const float* beta, blas_cxf* C, const blas_int* ldC);
void arma_fortran(arma_zherk)(const char* uplo, const char* transA, const blas_int* n, const blas_int* k, const double* alpha, const blas_cxd* A, const blas_int* ldA, const double* beta, blas_cxd* C, const blas_int* ldC);
#endif
}
#endif
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