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+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - INRIA - Bruno JOFRET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+
+#ifndef __BLAS_H__
+#define __BLAS_H__
+
+
+#ifndef _MACRO_C2F_
+#define _MACRO_C2F_
+#define C2F(name) name##_ 
+#endif 
+/*
+      SUBROUTINE DGEMM ( TRANSA, TRANSB, M, N, K, ALPHA, A, LDA, B, LDB,
+     $                   BETA, C, LDC )
+*     .. Scalar Arguments ..
+      CHARACTER*1        TRANSA, TRANSB
+      INTEGER            M, N, K, LDA, LDB, LDC
+      DOUBLE PRECISION   ALPHA, BETA
+*     .. Array Arguments ..
+      DOUBLE PRECISION   A( LDA, * ), B( LDB, * ), C( LDC, * )
+*     ..
+C     WARNING : this routine has been modified for Scilab (see comments
+C     Cscilab)  because algorithm is not ok if A matrix contains NaN
+C     (NaN*0 should be NaN, not 0)
+*  Purpose
+*  =======
+*
+*  DGEMM  performs one of the matrix-matrix operations
+*
+*     C := alpha*op( A )*op( B ) + beta*C,
+*
+*  where  op( X ) is one of
+*
+*     op( X ) = X   or   op( X ) = X',
+*
+*  alpha and beta are scalars, and A, B and C are matrices, with op( A )
+*  an m by k matrix,  op( B )  a  k by n matrix and  C an m by n matrix.
+*
+*  Parameters
+*  ==========
+*
+*  TRANSA - CHARACTER*1.
+*           On entry, TRANSA specifies the form of op( A ) to be used in
+*           the matrix multiplication as follows:
+*
+*              TRANSA = 'N' or 'n',  op( A ) = A.
+*
+*              TRANSA = 'T' or 't',  op( A ) = A'.
+*
+*              TRANSA = 'C' or 'c',  op( A ) = A'.
+*
+*           Unchanged on exit.
+*
+*  TRANSB - CHARACTER*1.
+*           On entry, TRANSB specifies the form of op( B ) to be used in
+*           the matrix multiplication as follows:
+*
+*              TRANSB = 'N' or 'n',  op( B ) = B.
+*
+*              TRANSB = 'T' or 't',  op( B ) = B'.
+*
+*              TRANSB = 'C' or 'c',  op( B ) = B'.
+*
+*           Unchanged on exit.
+*
+*  M      - INTEGER.
+*           On entry,  M  specifies  the number  of rows  of the  matrix
+*           op( A )  and of the  matrix  C.  M  must  be at least  zero.
+*           Unchanged on exit.
+*
+*  N      - INTEGER.
+*           On entry,  N  specifies the number  of columns of the matrix
+*           op( B ) and the number of columns of the matrix C. N must be
+*           at least zero.
+*           Unchanged on exit.
+*
+*  K      - INTEGER.
+*           On entry,  K  specifies  the number of columns of the matrix
+*           op( A ) and the number of rows of the matrix op( B ). K must
+*           be at least  zero.
+*           Unchanged on exit.
+*
+*  ALPHA  - DOUBLE PRECISION.
+*           On entry, ALPHA specifies the scalar alpha.
+*           Unchanged on exit.
+*
+*  A      - DOUBLE PRECISION array of DIMENSION ( LDA, ka ), where ka is
+*           k  when  TRANSA = 'N' or 'n',  and is  m  otherwise.
+*           Before entry with  TRANSA = 'N' or 'n',  the leading  m by k
+*           part of the array  A  must contain the matrix  A,  otherwise
+*           the leading  k by m  part of the array  A  must contain  the
+*           matrix A.
+*           Unchanged on exit.
+*
+*  LDA    - INTEGER.
+*           On entry, LDA specifies the first dimension of A as declared
+*           in the calling (sub) program. When  TRANSA = 'N' or 'n' then
+*           LDA must be at least  max( 1, m ), otherwise  LDA must be at
+*           least  max( 1, k ).
+*           Unchanged on exit.
+*
+*  B      - DOUBLE PRECISION array of DIMENSION ( LDB, kb ), where kb is
+*           n  when  TRANSB = 'N' or 'n',  and is  k  otherwise.
+*           Before entry with  TRANSB = 'N' or 'n',  the leading  k by n
+*           part of the array  B  must contain the matrix  B,  otherwise
+*           the leading  n by k  part of the array  B  must contain  the
+*           matrix B.
+*           Unchanged on exit.
+*
+*  LDB    - INTEGER.
+*           On entry, LDB specifies the first dimension of B as declared
+*           in the calling (sub) program. When  TRANSB = 'N' or 'n' then
+*           LDB must be at least  max( 1, k ), otherwise  LDB must be at
+*           least  max( 1, n ).
+*           Unchanged on exit.
+*
+*  BETA   - DOUBLE PRECISION.
+*           On entry,  BETA  specifies the scalar  beta.  When  BETA  is
+*           supplied as zero then C need not be set on input.
+*           Unchanged on exit.
+*
+*  C      - DOUBLE PRECISION array of DIMENSION ( LDC, n ).
+*           Before entry, the leading  m by n  part of the array  C must
+*           contain the matrix  C,  except when  beta  is zero, in which
+*           case C need not be set on entry.
+*           On exit, the array  C  is overwritten by the  m by n  matrix
+*           ( alpha*op( A )*op( B ) + beta*C ).
+*
+*  LDC    - INTEGER.
+*           On entry, LDC specifies the first dimension of C as declared
+*           in  the  calling  (sub)  program.   LDC  must  be  at  least
+*           max( 1, m ).
+*           Unchanged on exit.
+*
+*
+*  Level 3 Blas routine.
+*/
+/*
+void	dgemm_(char *TRANSA, char* TRANSB, int *M, int *N, int *K,
+	       double *ALPHA, double *A, int *LDA,
+	       double *B, int *LDB, double *BETA,
+	       double *C, int *LDC);*/
+
+extern  int     C2F(dgemm)();
+extern  int     C2F(idamax)() ;/* could be transcribe easaly in c */
+extern  int     C2F(daxpy) () ;/* could be transcribe easaly in c */
+extern  int     C2F(dscal) () ;/* could be transcribe easaly in c */
+extern  int     C2F(dasum) () ;/* could be transcribe easaly in c */
+
+
+#endif /* !__BLAS_H__ */