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-rw-r--r--media/sphinxbase/src/libsphinxbase/util/matrix.c313
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diff --git a/media/sphinxbase/src/libsphinxbase/util/matrix.c b/media/sphinxbase/src/libsphinxbase/util/matrix.c
deleted file mode 100644
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--- a/media/sphinxbase/src/libsphinxbase/util/matrix.c
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@@ -1,313 +0,0 @@
-/* -*- c-basic-offset: 4 -*- */
-/* ====================================================================
- * Copyright (c) 1997-2006 Carnegie Mellon University. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * This work was supported in part by funding from the Defense Advanced
- * Research Projects Agency and the National Science Foundation of the
- * United States of America, and the CMU Sphinx Speech Consortium.
- *
- * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
- * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
- * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * ====================================================================
- *
- */
-#include <string.h>
-#include <stdlib.h>
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "sphinxbase/clapack_lite.h"
-#include "sphinxbase/matrix.h"
-#include "sphinxbase/err.h"
-#include "sphinxbase/ckd_alloc.h"
-
-void
-norm_3d(float32 ***arr,
- uint32 d1,
- uint32 d2,
- uint32 d3)
-{
- uint32 i, j, k;
- float64 s;
-
- for (i = 0; i < d1; i++) {
- for (j = 0; j < d2; j++) {
-
- /* compute sum (i, j) as over all k */
- for (k = 0, s = 0; k < d3; k++) {
- s += arr[i][j][k];
- }
-
- /* do 1 floating point divide */
- s = 1.0 / s;
-
- /* divide all k by sum over k */
- for (k = 0; k < d3; k++) {
- arr[i][j][k] *= s;
- }
- }
- }
-}
-
-void
-accum_3d(float32 ***out,
- float32 ***in,
- uint32 d1,
- uint32 d2,
- uint32 d3)
-{
- uint32 i, j, k;
-
- for (i = 0; i < d1; i++) {
- for (j = 0; j < d2; j++) {
- for (k = 0; k < d3; k++) {
- out[i][j][k] += in[i][j][k];
- }
- }
- }
-}
-
-void
-floor_nz_3d(float32 ***m,
- uint32 d1,
- uint32 d2,
- uint32 d3,
- float32 floor)
-{
- uint32 i, j, k;
-
- for (i = 0; i < d1; i++) {
- for (j = 0; j < d2; j++) {
- for (k = 0; k < d3; k++) {
- if ((m[i][j][k] != 0) && (m[i][j][k] < floor))
- m[i][j][k] = floor;
- }
- }
- }
-}
-void
-floor_nz_1d(float32 *v,
- uint32 d1,
- float32 floor)
-{
- uint32 i;
-
- for (i = 0; i < d1; i++) {
- if ((v[i] != 0) && (v[i] < floor))
- v[i] = floor;
- }
-}
-
-void
-band_nz_1d(float32 *v,
- uint32 d1,
- float32 band)
-{
- uint32 i;
-
- for (i = 0; i < d1; i++) {
- if (v[i] != 0) {
- if ((v[i] > 0) && (v[i] < band)) {
- v[i] = band;
- }
- else if ((v[i] < 0) && (v[i] > -band)) {
- v[i] = -band;
- }
- }
- }
-}
-
-#ifndef WITH_LAPACK
-float64
-determinant(float32 **a, int32 n)
-{
- E_FATAL("No LAPACK library available, cannot compute determinant (FIXME)\n");
- return 0.0;
-}
-int32
-invert(float32 **ainv, float32 **a, int32 n)
-{
- E_FATAL("No LAPACK library available, cannot compute matrix inverse (FIXME)\n");
- return 0;
-}
-int32
-solve(float32 **a, float32 *b, float32 *out_x, int32 n)
-{
- E_FATAL("No LAPACK library available, cannot solve linear equations (FIXME)\n");
- return 0;
-}
-
-void
-matrixmultiply(float32 ** c, float32 ** a, float32 ** b, int32 n)
-{
- int32 i, j, k;
-
- memset(c[0], 0, n*n*sizeof(float32));
- for (i = 0; i < n; ++i) {
- for (j = 0; j < n; ++j) {
- for (k = 0; k < n; ++k) {
- c[i][k] += a[i][j] * b[j][k];
- }
- }
- }
-}
-#else /* WITH_LAPACK */
-/* Find determinant through LU decomposition. */
-float64
-determinant(float32 ** a, int32 n)
-{
- float32 **tmp_a;
- float64 det;
- char uplo;
- int32 info, i;
-
- /* a is assumed to be symmetric, so we don't need to switch the
- * ordering of the data. But we do need to copy it since it is
- * overwritten by LAPACK. */
- tmp_a = (float32 **)ckd_calloc_2d(n, n, sizeof(float32));
- memcpy(tmp_a[0], a[0], n*n*sizeof(float32));
-
- uplo = 'L';
- spotrf_(&uplo, &n, tmp_a[0], &n, &info);
- det = tmp_a[0][0];
- /* det = prod(diag(l))^2 */
- for (i = 1; i < n; ++i)
- det *= tmp_a[i][i];
- ckd_free_2d((void **)tmp_a);
- if (info > 0)
- return -1.0; /* Generic "not positive-definite" answer */
- else
- return det * det;
-}
-
-int32
-solve(float32 **a, /*Input : an n*n matrix A */
- float32 *b, /*Input : a n dimesion vector b */
- float32 *out_x, /*Output : a n dimesion vector x */
- int32 n)
-{
- char uplo;
- float32 **tmp_a;
- int32 info, nrhs;
-
- /* a is assumed to be symmetric, so we don't need to switch the
- * ordering of the data. But we do need to copy it since it is
- * overwritten by LAPACK. */
- tmp_a = (float32 **)ckd_calloc_2d(n, n, sizeof(float32));
- memcpy(tmp_a[0], a[0], n*n*sizeof(float32));
- memcpy(out_x, b, n*sizeof(float32));
- uplo = 'L';
- nrhs = 1;
- sposv_(&uplo, &n, &nrhs, tmp_a[0], &n, out_x, &n, &info);
- ckd_free_2d((void **)tmp_a);
-
- if (info != 0)
- return -1;
- else
- return info;
-}
-
-/* Find inverse by solving AX=I. */
-int32
-invert(float32 ** ainv, float32 ** a, int32 n)
-{
- char uplo;
- float32 **tmp_a;
- int32 info, nrhs, i;
-
- /* Construct an identity matrix. */
- memset(ainv[0], 0, sizeof(float32) * n * n);
- for (i = 0; i < n; i++)
- ainv[i][i] = 1.0;
- /* a is assumed to be symmetric, so we don't need to switch the
- * ordering of the data. But we do need to copy it since it is
- * overwritten by LAPACK. */
- tmp_a = (float32 **)ckd_calloc_2d(n, n, sizeof(float32));
- memcpy(tmp_a[0], a[0], n*n*sizeof(float32));
- uplo = 'L';
- nrhs = n;
- sposv_(&uplo, &n, &nrhs, tmp_a[0], &n, ainv[0], &n, &info);
- ckd_free_2d((void **)tmp_a);
-
- if (info != 0)
- return -1;
- else
- return info;
-}
-
-void
-matrixmultiply(float32 ** c, float32 ** a, float32 ** b, int32 n)
-{
- char side, uplo;
- float32 alpha;
-
- side = 'L';
- uplo = 'L';
- alpha = 1.0;
- ssymm_(&side, &uplo, &n, &n, &alpha, a[0], &n, b[0], &n, &alpha, c[0], &n);
-}
-
-#endif /* WITH_LAPACK */
-
-void
-outerproduct(float32 ** a, float32 * x, float32 * y, int32 len)
-{
- int32 i, j;
-
- for (i = 0; i < len; ++i) {
- a[i][i] = x[i] * y[i];
- for (j = i + 1; j < len; ++j) {
- a[i][j] = x[i] * y[j];
- a[j][i] = x[j] * y[i];
- }
- }
-}
-
-void
-scalarmultiply(float32 ** a, float32 x, int32 n)
-{
- int32 i, j;
-
- for (i = 0; i < n; ++i) {
- a[i][i] *= x;
- for (j = i+1; j < n; ++j) {
- a[i][j] *= x;
- a[j][i] *= x;
- }
- }
-}
-
-void
-matrixadd(float32 ** a, float32 ** b, int32 n)
-{
- int32 i, j;
-
- for (i = 0; i < n; ++i)
- for (j = 0; j < n; ++j)
- a[i][j] += b[i][j];
-}
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