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/*
SMat - Simple Matrix Classes v0.1beta
Copyright (C) 2011 by Heinrich Fritz (heinrich_fritz@hotmail.com)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// smat.meal.h
// Mathematical Environment Abstraction Layer
#ifndef SMAT_MEAL_H
#define SMAT_MEAL_H
////////////
// BLAS //
////////////
// Level 1
double meal_dot (const int *n, const double *dx, const int *incx, const double *dy, const int *incy);
double meal_nrm2 (const int *n, const double *dx, const int *incx);
void meal_scal (const int *n, const double *alpha, double *dx, const int *incx) ;
void meal_axpy(const int *n, const double *alpha, const double *dx, const int *incx, double *dy, const int *incy) ;
// Level 2
#ifdef IMPL_BLAS_R_CONST_ERROR
void meal_ger (const int *m, const int *n, const double *alpha, double *x, const int *incx, double *y, const int *incy, double *a, const int *lda) ;
#else
void meal_ger (const int *m, const int *n, const double *alpha, const double *x, const int *incx, const double *y, const int *incy, double *a, const int *lda) ;
#endif
// Level 3
void meal_gemm (const char *transa, const char *transb, const int *m, const int *n, const int *k, const double *alpha, const double *a, const int *lda, const double *b, const int *ldb, const double *beta, double *c, const int *ldc) ;
//////////////
// LAPACK //
//////////////
//svd
void meal_gesv (const int* n, const int* nrhs, double* a, const int* lda, int* ipiv, double* b, const int* ldb, int* info) ;
void meal_gesvd (const char* jobu, const char* jobvt, const int* m, const int* n, double* a, const int* lda, double* s, double* u, const int* ldu, double* vt, const int* ldvt, double* work, const int* lwork, int* info) ;
//invert
void meal_geev(const char* jobvl, const char* jobvr, const int* n, double* a, const int* lda, double* wr, double* wi, double* vl, const int* ldvl, double* vr, const int* ldvr, double* work, const int* lwork, int* info) ;
/////////////////////
// Sort Routines //
/////////////////////
void meal_sort (double *d, int l) ;
void meal_sort_order (double *, int *, int) ;
void meal_sort_order_rev (double *d, int *o, int l) ;
///////////////////////////////
// Random Number Generator //
///////////////////////////////
void meal_PutRNGstate () ;
void meal_GetRNGstate () ;
double meal_unif_rand () ;
double meal_norm_rand ();
double meal_exp_rand ();
// void meal_runif (double *d, int l) ;
// void meal_runif (double *d, int l, double dL, double dU) ;
// void meal_runif_r (double *d, int l) ;
// void meal_SampleNoReplace(int k, int n, int *y, int *x) ;
////////////////////////////////////
// special values and constants //
////////////////////////////////////
double meal_NaN () ;
double meal_PosInf () ;
double meal_NegInf () ;
double meal_NaReal () ;
int meal_NaInt () ;
double meal_PI () ;
//////////////////////////
// printing functions //
//////////////////////////
void meal_printf (const char *, ...) ;
void meal_warning (const char *) ;
void meal_error (const char *) ;
//////////////////
// Exceptions //
//////////////////
void meal_OnException (const char * szDate, const char * szFile, int nLine) ;
void meal_OnUException () ;
#endif // #ifndef SMAT_MEAL_H
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