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authorTom Sepez <tsepez@chromium.org>2015-06-17 17:30:47 -0700
committerTom Sepez <tsepez@chromium.org>2015-06-17 17:30:47 -0700
commitfe85afa303449e70a607bbf8458bd816725e25d2 (patch)
tree1d46e77a1ef6b28def6af3ffdd576017a6cfe229 /third_party/libopenjpeg20/mct.c
parentc7a17bf9cdb0d646aa8b653e6ab2678a1837ed6a (diff)
downloadpdfium-fe85afa303449e70a607bbf8458bd816725e25d2.tar.xz
Revert "Move libopenjpeg to third_party/"
This reverts commit c7a17bf9cdb0d646aa8b653e6ab2678a1837ed6a.
Diffstat (limited to 'third_party/libopenjpeg20/mct.c')
-rw-r--r--third_party/libopenjpeg20/mct.c553
1 files changed, 0 insertions, 553 deletions
diff --git a/third_party/libopenjpeg20/mct.c b/third_party/libopenjpeg20/mct.c
deleted file mode 100644
index a0da099660..0000000000
--- a/third_party/libopenjpeg20/mct.c
+++ /dev/null
@@ -1,553 +0,0 @@
-/*
- * The copyright in this software is being made available under the 2-clauses
- * BSD License, included below. This software may be subject to other third
- * party and contributor rights, including patent rights, and no such rights
- * are granted under this license.
- *
- * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
- * Copyright (c) 2002-2014, Professor Benoit Macq
- * Copyright (c) 2001-2003, David Janssens
- * Copyright (c) 2002-2003, Yannick Verschueren
- * Copyright (c) 2003-2007, Francois-Olivier Devaux
- * Copyright (c) 2003-2014, Antonin Descampe
- * Copyright (c) 2005, Herve Drolon, FreeImage Team
- * Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
- * Copyright (c) 2012, CS Systemes d'Information, France
- * 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 SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
- * AND ANY EXPRESS 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 THE COPYRIGHT OWNER OR CONTRIBUTORS 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.
- */
-
-#ifdef __SSE__
-#include <xmmintrin.h>
-#endif
-#ifdef __SSE2__
-#include <emmintrin.h>
-#endif
-#ifdef __SSE4_1__
-#include <smmintrin.h>
-#endif
-
-#include "opj_includes.h"
-
-/* <summary> */
-/* This table contains the norms of the basis function of the reversible MCT. */
-/* </summary> */
-static const OPJ_FLOAT64 opj_mct_norms[3] = { 1.732, .8292, .8292 };
-
-/* <summary> */
-/* This table contains the norms of the basis function of the irreversible MCT. */
-/* </summary> */
-static const OPJ_FLOAT64 opj_mct_norms_real[3] = { 1.732, 1.805, 1.573 };
-
-const OPJ_FLOAT64 * opj_mct_get_mct_norms ()
-{
- return opj_mct_norms;
-}
-
-const OPJ_FLOAT64 * opj_mct_get_mct_norms_real ()
-{
- return opj_mct_norms_real;
-}
-
-/* <summary> */
-/* Foward reversible MCT. */
-/* </summary> */
-#ifdef __SSE2__
-void opj_mct_encode(
- OPJ_INT32* restrict c0,
- OPJ_INT32* restrict c1,
- OPJ_INT32* restrict c2,
- OPJ_UINT32 n)
-{
- OPJ_SIZE_T i;
- const OPJ_SIZE_T len = n;
-
- for(i = 0; i < (len & ~3U); i += 4) {
- __m128i y, u, v;
- __m128i r = _mm_load_si128((const __m128i *)&(c0[i]));
- __m128i g = _mm_load_si128((const __m128i *)&(c1[i]));
- __m128i b = _mm_load_si128((const __m128i *)&(c2[i]));
- y = _mm_add_epi32(g, g);
- y = _mm_add_epi32(y, b);
- y = _mm_add_epi32(y, r);
- y = _mm_srai_epi32(y, 2);
- u = _mm_sub_epi32(b, g);
- v = _mm_sub_epi32(r, g);
- _mm_store_si128((__m128i *)&(c0[i]), y);
- _mm_store_si128((__m128i *)&(c1[i]), u);
- _mm_store_si128((__m128i *)&(c2[i]), v);
- }
-
- for(; i < len; ++i) {
- OPJ_INT32 r = c0[i];
- OPJ_INT32 g = c1[i];
- OPJ_INT32 b = c2[i];
- OPJ_INT32 y = (r + (g * 2) + b) >> 2;
- OPJ_INT32 u = b - g;
- OPJ_INT32 v = r - g;
- c0[i] = y;
- c1[i] = u;
- c2[i] = v;
- }
-}
-#else
-void opj_mct_encode(
- OPJ_INT32* restrict c0,
- OPJ_INT32* restrict c1,
- OPJ_INT32* restrict c2,
- OPJ_UINT32 n)
-{
- OPJ_SIZE_T i;
- const OPJ_SIZE_T len = n;
-
- for(i = 0; i < len; ++i) {
- OPJ_INT32 r = c0[i];
- OPJ_INT32 g = c1[i];
- OPJ_INT32 b = c2[i];
- OPJ_INT32 y = (r + (g * 2) + b) >> 2;
- OPJ_INT32 u = b - g;
- OPJ_INT32 v = r - g;
- c0[i] = y;
- c1[i] = u;
- c2[i] = v;
- }
-}
-#endif
-
-/* <summary> */
-/* Inverse reversible MCT. */
-/* </summary> */
-#ifdef __SSE2__
-void opj_mct_decode(
- OPJ_INT32* restrict c0,
- OPJ_INT32* restrict c1,
- OPJ_INT32* restrict c2,
- OPJ_UINT32 n)
-{
- OPJ_SIZE_T i;
- const OPJ_SIZE_T len = n;
-
- for(i = 0; i < (len & ~3U); i += 4) {
- __m128i r, g, b;
- __m128i y = _mm_load_si128((const __m128i *)&(c0[i]));
- __m128i u = _mm_load_si128((const __m128i *)&(c1[i]));
- __m128i v = _mm_load_si128((const __m128i *)&(c2[i]));
- g = y;
- g = _mm_sub_epi32(g, _mm_srai_epi32(_mm_add_epi32(u, v), 2));
- r = _mm_add_epi32(v, g);
- b = _mm_add_epi32(u, g);
- _mm_store_si128((__m128i *)&(c0[i]), r);
- _mm_store_si128((__m128i *)&(c1[i]), g);
- _mm_store_si128((__m128i *)&(c2[i]), b);
- }
- for (; i < len; ++i) {
- OPJ_INT32 y = c0[i];
- OPJ_INT32 u = c1[i];
- OPJ_INT32 v = c2[i];
- OPJ_INT32 g = y - ((u + v) >> 2);
- OPJ_INT32 r = v + g;
- OPJ_INT32 b = u + g;
- c0[i] = r;
- c1[i] = g;
- c2[i] = b;
- }
-}
-#else
-void opj_mct_decode(
- OPJ_INT32* restrict c0,
- OPJ_INT32* restrict c1,
- OPJ_INT32* restrict c2,
- OPJ_UINT32 n)
-{
- OPJ_UINT32 i;
- for (i = 0; i < n; ++i) {
- OPJ_INT32 y = c0[i];
- OPJ_INT32 u = c1[i];
- OPJ_INT32 v = c2[i];
- OPJ_INT32 g = y - ((u + v) >> 2);
- OPJ_INT32 r = v + g;
- OPJ_INT32 b = u + g;
- c0[i] = r;
- c1[i] = g;
- c2[i] = b;
- }
-}
-#endif
-
-/* <summary> */
-/* Get norm of basis function of reversible MCT. */
-/* </summary> */
-OPJ_FLOAT64 opj_mct_getnorm(OPJ_UINT32 compno) {
- return opj_mct_norms[compno];
-}
-
-/* <summary> */
-/* Foward irreversible MCT. */
-/* </summary> */
-#ifdef __SSE4_1__
-void opj_mct_encode_real(
- OPJ_INT32* restrict c0,
- OPJ_INT32* restrict c1,
- OPJ_INT32* restrict c2,
- OPJ_UINT32 n)
-{
- OPJ_SIZE_T i;
- const OPJ_SIZE_T len = n;
-
- const __m128i ry = _mm_set1_epi32(2449);
- const __m128i gy = _mm_set1_epi32(4809);
- const __m128i by = _mm_set1_epi32(934);
- const __m128i ru = _mm_set1_epi32(1382);
- const __m128i gu = _mm_set1_epi32(2714);
- /* const __m128i bu = _mm_set1_epi32(4096); */
- /* const __m128i rv = _mm_set1_epi32(4096); */
- const __m128i gv = _mm_set1_epi32(3430);
- const __m128i bv = _mm_set1_epi32(666);
- const __m128i mulround = _mm_shuffle_epi32(_mm_cvtsi32_si128(4096), _MM_SHUFFLE(1, 0, 1, 0));
-
- for(i = 0; i < (len & ~3U); i += 4) {
- __m128i lo, hi;
- __m128i y, u, v;
- __m128i r = _mm_load_si128((const __m128i *)&(c0[i]));
- __m128i g = _mm_load_si128((const __m128i *)&(c1[i]));
- __m128i b = _mm_load_si128((const __m128i *)&(c2[i]));
-
- lo = r;
- hi = _mm_shuffle_epi32(r, _MM_SHUFFLE(3, 3, 1, 1));
- lo = _mm_mul_epi32(lo, ry);
- hi = _mm_mul_epi32(hi, ry);
- lo = _mm_add_epi64(lo, mulround);
- hi = _mm_add_epi64(hi, mulround);
- lo = _mm_srli_epi64(lo, 13);
- hi = _mm_slli_epi64(hi, 32-13);
- y = _mm_blend_epi16(lo, hi, 0xCC);
-
- lo = g;
- hi = _mm_shuffle_epi32(g, _MM_SHUFFLE(3, 3, 1, 1));
- lo = _mm_mul_epi32(lo, gy);
- hi = _mm_mul_epi32(hi, gy);
- lo = _mm_add_epi64(lo, mulround);
- hi = _mm_add_epi64(hi, mulround);
- lo = _mm_srli_epi64(lo, 13);
- hi = _mm_slli_epi64(hi, 32-13);
- y = _mm_add_epi32(y, _mm_blend_epi16(lo, hi, 0xCC));
-
- lo = b;
- hi = _mm_shuffle_epi32(b, _MM_SHUFFLE(3, 3, 1, 1));
- lo = _mm_mul_epi32(lo, by);
- hi = _mm_mul_epi32(hi, by);
- lo = _mm_add_epi64(lo, mulround);
- hi = _mm_add_epi64(hi, mulround);
- lo = _mm_srli_epi64(lo, 13);
- hi = _mm_slli_epi64(hi, 32-13);
- y = _mm_add_epi32(y, _mm_blend_epi16(lo, hi, 0xCC));
- _mm_store_si128((__m128i *)&(c0[i]), y);
-
- /*lo = b;
- hi = _mm_shuffle_epi32(b, _MM_SHUFFLE(3, 3, 1, 1));
- lo = _mm_mul_epi32(lo, mulround);
- hi = _mm_mul_epi32(hi, mulround);*/
- lo = _mm_cvtepi32_epi64(_mm_shuffle_epi32(b, _MM_SHUFFLE(3, 2, 2, 0)));
- hi = _mm_cvtepi32_epi64(_mm_shuffle_epi32(b, _MM_SHUFFLE(3, 2, 3, 1)));
- lo = _mm_slli_epi64(lo, 12);
- hi = _mm_slli_epi64(hi, 12);
- lo = _mm_add_epi64(lo, mulround);
- hi = _mm_add_epi64(hi, mulround);
- lo = _mm_srli_epi64(lo, 13);
- hi = _mm_slli_epi64(hi, 32-13);
- u = _mm_blend_epi16(lo, hi, 0xCC);
-
- lo = r;
- hi = _mm_shuffle_epi32(r, _MM_SHUFFLE(3, 3, 1, 1));
- lo = _mm_mul_epi32(lo, ru);
- hi = _mm_mul_epi32(hi, ru);
- lo = _mm_add_epi64(lo, mulround);
- hi = _mm_add_epi64(hi, mulround);
- lo = _mm_srli_epi64(lo, 13);
- hi = _mm_slli_epi64(hi, 32-13);
- u = _mm_sub_epi32(u, _mm_blend_epi16(lo, hi, 0xCC));
-
- lo = g;
- hi = _mm_shuffle_epi32(g, _MM_SHUFFLE(3, 3, 1, 1));
- lo = _mm_mul_epi32(lo, gu);
- hi = _mm_mul_epi32(hi, gu);
- lo = _mm_add_epi64(lo, mulround);
- hi = _mm_add_epi64(hi, mulround);
- lo = _mm_srli_epi64(lo, 13);
- hi = _mm_slli_epi64(hi, 32-13);
- u = _mm_sub_epi32(u, _mm_blend_epi16(lo, hi, 0xCC));
- _mm_store_si128((__m128i *)&(c1[i]), u);
-
- /*lo = r;
- hi = _mm_shuffle_epi32(r, _MM_SHUFFLE(3, 3, 1, 1));
- lo = _mm_mul_epi32(lo, mulround);
- hi = _mm_mul_epi32(hi, mulround);*/
- lo = _mm_cvtepi32_epi64(_mm_shuffle_epi32(r, _MM_SHUFFLE(3, 2, 2, 0)));
- hi = _mm_cvtepi32_epi64(_mm_shuffle_epi32(r, _MM_SHUFFLE(3, 2, 3, 1)));
- lo = _mm_slli_epi64(lo, 12);
- hi = _mm_slli_epi64(hi, 12);
- lo = _mm_add_epi64(lo, mulround);
- hi = _mm_add_epi64(hi, mulround);
- lo = _mm_srli_epi64(lo, 13);
- hi = _mm_slli_epi64(hi, 32-13);
- v = _mm_blend_epi16(lo, hi, 0xCC);
-
- lo = g;
- hi = _mm_shuffle_epi32(g, _MM_SHUFFLE(3, 3, 1, 1));
- lo = _mm_mul_epi32(lo, gv);
- hi = _mm_mul_epi32(hi, gv);
- lo = _mm_add_epi64(lo, mulround);
- hi = _mm_add_epi64(hi, mulround);
- lo = _mm_srli_epi64(lo, 13);
- hi = _mm_slli_epi64(hi, 32-13);
- v = _mm_sub_epi32(v, _mm_blend_epi16(lo, hi, 0xCC));
-
- lo = b;
- hi = _mm_shuffle_epi32(b, _MM_SHUFFLE(3, 3, 1, 1));
- lo = _mm_mul_epi32(lo, bv);
- hi = _mm_mul_epi32(hi, bv);
- lo = _mm_add_epi64(lo, mulround);
- hi = _mm_add_epi64(hi, mulround);
- lo = _mm_srli_epi64(lo, 13);
- hi = _mm_slli_epi64(hi, 32-13);
- v = _mm_sub_epi32(v, _mm_blend_epi16(lo, hi, 0xCC));
- _mm_store_si128((__m128i *)&(c2[i]), v);
- }
- for(; i < len; ++i) {
- OPJ_INT32 r = c0[i];
- OPJ_INT32 g = c1[i];
- OPJ_INT32 b = c2[i];
- OPJ_INT32 y = opj_int_fix_mul(r, 2449) + opj_int_fix_mul(g, 4809) + opj_int_fix_mul(b, 934);
- OPJ_INT32 u = -opj_int_fix_mul(r, 1382) - opj_int_fix_mul(g, 2714) + opj_int_fix_mul(b, 4096);
- OPJ_INT32 v = opj_int_fix_mul(r, 4096) - opj_int_fix_mul(g, 3430) - opj_int_fix_mul(b, 666);
- c0[i] = y;
- c1[i] = u;
- c2[i] = v;
- }
-}
-#else
-void opj_mct_encode_real(
- OPJ_INT32* restrict c0,
- OPJ_INT32* restrict c1,
- OPJ_INT32* restrict c2,
- OPJ_UINT32 n)
-{
- OPJ_UINT32 i;
- for(i = 0; i < n; ++i) {
- OPJ_INT32 r = c0[i];
- OPJ_INT32 g = c1[i];
- OPJ_INT32 b = c2[i];
- OPJ_INT32 y = opj_int_fix_mul(r, 2449) + opj_int_fix_mul(g, 4809) + opj_int_fix_mul(b, 934);
- OPJ_INT32 u = -opj_int_fix_mul(r, 1382) - opj_int_fix_mul(g, 2714) + opj_int_fix_mul(b, 4096);
- OPJ_INT32 v = opj_int_fix_mul(r, 4096) - opj_int_fix_mul(g, 3430) - opj_int_fix_mul(b, 666);
- c0[i] = y;
- c1[i] = u;
- c2[i] = v;
- }
-}
-#endif
-
-/* <summary> */
-/* Inverse irreversible MCT. */
-/* </summary> */
-void opj_mct_decode_real(
- OPJ_FLOAT32* restrict c0,
- OPJ_FLOAT32* restrict c1,
- OPJ_FLOAT32* restrict c2,
- OPJ_UINT32 n)
-{
- OPJ_UINT32 i;
-#ifdef __SSE__
- __m128 vrv, vgu, vgv, vbu;
- vrv = _mm_set1_ps(1.402f);
- vgu = _mm_set1_ps(0.34413f);
- vgv = _mm_set1_ps(0.71414f);
- vbu = _mm_set1_ps(1.772f);
- for (i = 0; i < (n >> 3); ++i) {
- __m128 vy, vu, vv;
- __m128 vr, vg, vb;
-
- vy = _mm_load_ps(c0);
- vu = _mm_load_ps(c1);
- vv = _mm_load_ps(c2);
- vr = _mm_add_ps(vy, _mm_mul_ps(vv, vrv));
- vg = _mm_sub_ps(_mm_sub_ps(vy, _mm_mul_ps(vu, vgu)), _mm_mul_ps(vv, vgv));
- vb = _mm_add_ps(vy, _mm_mul_ps(vu, vbu));
- _mm_store_ps(c0, vr);
- _mm_store_ps(c1, vg);
- _mm_store_ps(c2, vb);
- c0 += 4;
- c1 += 4;
- c2 += 4;
-
- vy = _mm_load_ps(c0);
- vu = _mm_load_ps(c1);
- vv = _mm_load_ps(c2);
- vr = _mm_add_ps(vy, _mm_mul_ps(vv, vrv));
- vg = _mm_sub_ps(_mm_sub_ps(vy, _mm_mul_ps(vu, vgu)), _mm_mul_ps(vv, vgv));
- vb = _mm_add_ps(vy, _mm_mul_ps(vu, vbu));
- _mm_store_ps(c0, vr);
- _mm_store_ps(c1, vg);
- _mm_store_ps(c2, vb);
- c0 += 4;
- c1 += 4;
- c2 += 4;
- }
- n &= 7;
-#endif
- for(i = 0; i < n; ++i) {
- OPJ_FLOAT32 y = c0[i];
- OPJ_FLOAT32 u = c1[i];
- OPJ_FLOAT32 v = c2[i];
- OPJ_FLOAT32 r = y + (v * 1.402f);
- OPJ_FLOAT32 g = y - (u * 0.34413f) - (v * (0.71414f));
- OPJ_FLOAT32 b = y + (u * 1.772f);
- c0[i] = r;
- c1[i] = g;
- c2[i] = b;
- }
-}
-
-/* <summary> */
-/* Get norm of basis function of irreversible MCT. */
-/* </summary> */
-OPJ_FLOAT64 opj_mct_getnorm_real(OPJ_UINT32 compno) {
- return opj_mct_norms_real[compno];
-}
-
-
-OPJ_BOOL opj_mct_encode_custom(
- OPJ_BYTE * pCodingdata,
- OPJ_UINT32 n,
- OPJ_BYTE ** pData,
- OPJ_UINT32 pNbComp,
- OPJ_UINT32 isSigned)
-{
- OPJ_FLOAT32 * lMct = (OPJ_FLOAT32 *) pCodingdata;
- OPJ_UINT32 i;
- OPJ_UINT32 j;
- OPJ_UINT32 k;
- OPJ_UINT32 lNbMatCoeff = pNbComp * pNbComp;
- OPJ_INT32 * lCurrentData = 00;
- OPJ_INT32 * lCurrentMatrix = 00;
- OPJ_INT32 ** lData = (OPJ_INT32 **) pData;
- OPJ_UINT32 lMultiplicator = 1 << 13;
- OPJ_INT32 * lMctPtr;
-
- OPJ_ARG_NOT_USED(isSigned);
-
- lCurrentData = (OPJ_INT32 *) opj_malloc((pNbComp + lNbMatCoeff) * sizeof(OPJ_INT32));
- if (! lCurrentData) {
- return OPJ_FALSE;
- }
-
- lCurrentMatrix = lCurrentData + pNbComp;
-
- for (i =0;i<lNbMatCoeff;++i) {
- lCurrentMatrix[i] = (OPJ_INT32) (*(lMct++) * (OPJ_FLOAT32)lMultiplicator);
- }
-
- for (i = 0; i < n; ++i) {
- lMctPtr = lCurrentMatrix;
- for (j=0;j<pNbComp;++j) {
- lCurrentData[j] = (*(lData[j]));
- }
-
- for (j=0;j<pNbComp;++j) {
- *(lData[j]) = 0;
- for (k=0;k<pNbComp;++k) {
- *(lData[j]) += opj_int_fix_mul(*lMctPtr, lCurrentData[k]);
- ++lMctPtr;
- }
-
- ++lData[j];
- }
- }
-
- opj_free(lCurrentData);
-
- return OPJ_TRUE;
-}
-
-OPJ_BOOL opj_mct_decode_custom(
- OPJ_BYTE * pDecodingData,
- OPJ_UINT32 n,
- OPJ_BYTE ** pData,
- OPJ_UINT32 pNbComp,
- OPJ_UINT32 isSigned)
-{
- OPJ_FLOAT32 * lMct;
- OPJ_UINT32 i;
- OPJ_UINT32 j;
- OPJ_UINT32 k;
-
- OPJ_FLOAT32 * lCurrentData = 00;
- OPJ_FLOAT32 * lCurrentResult = 00;
- OPJ_FLOAT32 ** lData = (OPJ_FLOAT32 **) pData;
-
- OPJ_ARG_NOT_USED(isSigned);
-
- lCurrentData = (OPJ_FLOAT32 *) opj_malloc (2 * pNbComp * sizeof(OPJ_FLOAT32));
- if (! lCurrentData) {
- return OPJ_FALSE;
- }
- lCurrentResult = lCurrentData + pNbComp;
-
- for (i = 0; i < n; ++i) {
- lMct = (OPJ_FLOAT32 *) pDecodingData;
- for (j=0;j<pNbComp;++j) {
- lCurrentData[j] = (OPJ_FLOAT32) (*(lData[j]));
- }
- for (j=0;j<pNbComp;++j) {
- lCurrentResult[j] = 0;
- for (k=0;k<pNbComp;++k) {
- lCurrentResult[j] += *(lMct++) * lCurrentData[k];
- }
- *(lData[j]++) = (OPJ_FLOAT32) (lCurrentResult[j]);
- }
- }
- opj_free(lCurrentData);
- return OPJ_TRUE;
-}
-
-void opj_calculate_norms( OPJ_FLOAT64 * pNorms,
- OPJ_UINT32 pNbComps,
- OPJ_FLOAT32 * pMatrix)
-{
- OPJ_UINT32 i,j,lIndex;
- OPJ_FLOAT32 lCurrentValue;
- OPJ_FLOAT64 * lNorms = (OPJ_FLOAT64 *) pNorms;
- OPJ_FLOAT32 * lMatrix = (OPJ_FLOAT32 *) pMatrix;
-
- for (i=0;i<pNbComps;++i) {
- lNorms[i] = 0;
- lIndex = i;
-
- for (j=0;j<pNbComps;++j) {
- lCurrentValue = lMatrix[lIndex];
- lIndex += pNbComps;
- lNorms[i] += lCurrentValue * lCurrentValue;
- }
- lNorms[i] = sqrt(lNorms[i]);
- }
-}