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lapacke_d_nancheck.c
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/*****************************************************************************
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Copyright (c) 2010, Intel Corp.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of Intel Corporation nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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THE POSSIBILITY OF SUCH DAMAGE.
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******************************************************************************
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* Contents: Native C interface to LAPACK utility function
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* Author: Intel Corporation
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* Created in February, 2010
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*****************************************************************************/
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#include "
lapacke_utils.h
"
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/* Check a vector for NaN entries. */
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lapack_logical
LAPACKE_d_nancheck
(
lapack_int
n,
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const
double
*x,
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lapack_int
incx )
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{
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lapack_int
i, inc;
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if
( incx == 0 )
return
(
lapack_logical
)
LAPACK_DISNAN
( x[0] );
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inc = ( incx > 0 ) ? incx : -incx ;
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for
( i = 0; i < n*inc; i+=inc ) {
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if
(
LAPACK_DISNAN
( x[i] ) )
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return
(
lapack_logical
) 1;
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}
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return
(
lapack_logical
) 0;
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}
lapack_logical
#define lapack_logical
Definition:
lapacke.h:51
lapacke_utils.h
LAPACK_DISNAN
#define LAPACK_DISNAN(x)
Definition:
lapacke_utils.h:287
LAPACKE_d_nancheck
lapack_logical LAPACKE_d_nancheck(lapack_int n, const double *x, lapack_int incx)
Definition:
lapacke_d_nancheck.c:37
lapack_int
#define lapack_int
Definition:
lapacke.h:47
LAPACKE
utils
lapacke_d_nancheck.c
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