rustsynth-sys 0.5.6

Low level bindings to VapourSynth
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361

/*
* Copyright (c) 2012-2019 Fredrik Mellbin
*
* This file is part of VapourSynth.
*
* VapourSynth is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* VapourSynth 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with VapourSynth; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/

#include <math.h>
#include <immintrin.h>
#include "../planestats.h"

static const uint8_t ascend8[32] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 };
static const uint16_t ascend16[16] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
static const uint32_t ascend32[8] = { 0, 1, 2, 3, 4, 5, 6, 7 };

static unsigned hmax_epu8(__m256i x)
{
    __m128i tmp = _mm_max_epu8(_mm256_castsi256_si128(x), _mm256_extractf128_si256(x, 1));
    tmp = _mm_max_epu8(tmp, _mm_srli_si128(tmp, 8));
    tmp = _mm_max_epu8(tmp, _mm_srli_si128(tmp, 4));
    tmp = _mm_max_epu8(tmp, _mm_srli_si128(tmp, 2));
    tmp = _mm_max_epu8(tmp, _mm_srli_si128(tmp, 1));
    return _mm_cvtsi128_si32(tmp) & 0xFF;
}

static unsigned hmin_epu8(__m256i x)
{
    __m128i tmp = _mm_min_epu8(_mm256_castsi256_si128(x), _mm256_extractf128_si256(x, 1));
    tmp = _mm_min_epu8(tmp, _mm_srli_si128(tmp, 8));
    tmp = _mm_min_epu8(tmp, _mm_srli_si128(tmp, 4));
    tmp = _mm_min_epu8(tmp, _mm_srli_si128(tmp, 2));
    tmp = _mm_min_epu8(tmp, _mm_srli_si128(tmp, 1));
    return _mm_cvtsi128_si32(tmp) & 0xFF;
}

static unsigned hmax_epu16(__m256i x)
{
    __m128i tmp = _mm_max_epu16(_mm256_castsi256_si128(x), _mm256_extractf128_si256(x, 1));
    tmp = _mm_max_epu16(tmp, _mm_srli_si128(tmp, 8));
    tmp = _mm_max_epu16(tmp, _mm_srli_si128(tmp, 4));
    tmp = _mm_max_epu16(tmp, _mm_srli_si128(tmp, 2));
    return (uint16_t)_mm_extract_epi16(tmp, 0);
}

static unsigned hmin_epu16(__m256i x)
{
    __m128i tmp = _mm_min_epu16(_mm256_castsi256_si128(x), _mm256_extractf128_si256(x, 1));
    tmp = _mm_min_epu16(tmp, _mm_srli_si128(tmp, 8));
    tmp = _mm_min_epu16(tmp, _mm_srli_si128(tmp, 4));
    tmp = _mm_min_epu16(tmp, _mm_srli_si128(tmp, 2));
    return (uint16_t)_mm_extract_epi16(tmp, 0);
}

static float hmax_ps(__m256 x)
{
    __m128 tmp = _mm_max_ps(_mm256_castps256_ps128(x), _mm256_extractf128_ps(x, 1));
    tmp = _mm_max_ps(tmp, _mm_shuffle_ps(tmp, tmp, _MM_SHUFFLE(1, 0, 3, 2)));
    tmp = _mm_max_ps(tmp, _mm_shuffle_ps(tmp, tmp, _MM_SHUFFLE(2, 3, 0, 1)));
    return _mm_cvtss_f32(tmp);
}

static float hmin_ps(__m256 x)
{
    __m128 tmp = _mm_min_ps(_mm256_castps256_ps128(x), _mm256_extractf128_ps(x, 1));
    tmp = _mm_min_ps(tmp, _mm_shuffle_ps(tmp, tmp, _MM_SHUFFLE(1, 0, 3, 2)));
    tmp = _mm_min_ps(tmp, _mm_shuffle_ps(tmp, tmp, _MM_SHUFFLE(2, 3, 0, 1)));
    return _mm_cvtss_f32(tmp);
}

static __m128i hadd_epi64(__m256i x)
{
    __m128i tmp = _mm_add_epi64(_mm256_castsi256_si128(x), _mm256_extractf128_si256(x, 1));
    tmp = _mm_add_epi64(tmp, _mm_srli_si128(tmp, 8));
    return tmp;
}

static double hadd_pd(__m256d x)
{
    __m128d tmp = _mm_add_pd(_mm256_castpd256_pd128(x), _mm256_extractf128_pd(x, 1));
    return _mm_cvtsd_f64(_mm_add_sd(tmp, _mm_unpackhi_pd(tmp, tmp)));
}


void vs_plane_stats_1_byte_avx2(union vs_plane_stats *stats, const void *src, ptrdiff_t stride, unsigned width, unsigned height)
{
    const uint8_t *srcp = src;
    unsigned tail = width & ~31;
    unsigned x, y;

    __m256i mmin = _mm256_set1_epi8(UINT8_MAX);
    __m256i mmax = _mm256_setzero_si256();
    __m256i macc = _mm256_setzero_si256();
    __m256i mask = _mm256_cmpgt_epi8(_mm256_set1_epi8(width % 32), _mm256_loadu_si256((const __m256i *)ascend8));
    __m256i onesmask = _mm256_andnot_si256(mask, _mm256_set1_epi8(UINT8_MAX));

    for (y = 0; y < height; y++) {
        for (x = 0; x < tail; x += 32) {
            __m256i v = _mm256_load_si256((const __m256i *)(srcp + x));
            mmin = _mm256_min_epu8(mmin, v);
            mmax = _mm256_max_epu8(mmax, v);
            macc = _mm256_add_epi64(macc, _mm256_sad_epu8(v, _mm256_setzero_si256()));
        }
        if (width != tail) {
            __m256i v = _mm256_and_si256(_mm256_load_si256((const __m256i *)(srcp + tail)), mask);
            mmin = _mm256_min_epu8(mmin, _mm256_or_si256(v, onesmask));
            mmax = _mm256_max_epu8(mmax, v);
            macc = _mm256_add_epi64(macc, _mm256_sad_epu8(v, _mm256_setzero_si256()));
        }
        srcp += stride;
    }

    stats->i.min = hmin_epu8(mmin);
    stats->i.max = hmax_epu8(mmax);
    _mm_storel_epi64((__m128i *)&stats->i.acc, hadd_epi64(macc));
}

void vs_plane_stats_1_word_avx2(union vs_plane_stats *stats, const void *src, ptrdiff_t stride, unsigned width, unsigned height)
{
    const uint8_t *srcp = src;
    unsigned tail = width & ~15;
    unsigned x, y;

    __m256i mmin = _mm256_set1_epi16(UINT16_MAX);
    __m256i mmax = _mm256_setzero_si256();
    __m256i macc_lo = _mm256_setzero_si256();
    __m256i macc_hi = _mm256_setzero_si256();
    __m256i mask = _mm256_cmpgt_epi16(_mm256_set1_epi16(width % 16), _mm256_loadu_si256((const __m256i *)ascend16));
    __m256i onesmask = _mm256_andnot_si256(mask, _mm256_set1_epi16(UINT16_MAX));
    __m256i low8mask = _mm256_set1_epi16(0xFF);
    __m256i tmp;

    for (y = 0; y < height; y++) {
        for (x = 0; x < tail; x += 16) {
            __m256i v = _mm256_load_si256((const __m256i *)((const uint16_t *)srcp + x));
            mmin = _mm256_min_epu16(mmin, v);
            mmax = _mm256_max_epu16(mmax, v);

            macc_lo = _mm256_add_epi64(macc_lo, _mm256_sad_epu8(_mm256_and_si256(low8mask, v), _mm256_setzero_si256()));
            macc_hi = _mm256_add_epi64(macc_hi, _mm256_sad_epu8(_mm256_andnot_si256(low8mask, v), _mm256_setzero_si256()));
        }
        if (width != tail) {
            __m256i v = _mm256_and_si256(_mm256_load_si256((const __m256i *)((const uint16_t *)srcp + tail)), mask);
            mmin = _mm256_min_epu16(mmin, _mm256_or_si256(v, onesmask));
            mmax = _mm256_max_epu16(mmax, v);

            macc_lo = _mm256_add_epi64(macc_lo, _mm256_sad_epu8(_mm256_and_si256(low8mask, v), _mm256_setzero_si256()));
            macc_hi = _mm256_add_epi64(macc_hi, _mm256_sad_epu8(_mm256_andnot_si256(low8mask, v), _mm256_setzero_si256()));
        }
        srcp += stride;
    }

    stats->i.min = hmin_epu16(mmin);
    stats->i.max = hmax_epu16(mmax);

    tmp = _mm256_add_epi64(_mm256_unpacklo_epi64(macc_lo, macc_hi), _mm256_unpackhi_epi64(macc_lo, macc_hi));
    tmp = _mm256_add_epi64(tmp, _mm256_slli_epi64(_mm256_unpackhi_epi64(tmp, tmp), 8));
    _mm_storel_epi64((__m128i *)&stats->i.acc, _mm_add_epi64(_mm256_castsi256_si128(tmp), _mm256_extractf128_si256(tmp, 1)));
}

void vs_plane_stats_1_float_avx2(union vs_plane_stats *stats, const void *src, ptrdiff_t stride, unsigned width, unsigned height)
{
    const uint8_t *srcp = src;
    unsigned tail = width & ~7;
    unsigned x, y;

    __m256 fmmin = _mm256_set1_ps(INFINITY);
    __m256 fmmax = _mm256_set1_ps(-INFINITY);
    __m256d fmacc = _mm256_setzero_pd();
    __m256 mask = _mm256_castsi256_ps(_mm256_cmpgt_epi32(_mm256_set1_epi32(width % 8), _mm256_loadu_si256((const __m256i *)ascend32)));
    __m256 posmask = _mm256_andnot_ps(mask, _mm256_set1_ps(INFINITY));
    __m256 negmask = _mm256_andnot_ps(mask, _mm256_set1_ps(-INFINITY));

    for (y = 0; y < height; y++) {
        for (x = 0; x < tail; x += 8) {
            __m256 v = _mm256_load_ps((const float *)srcp + x);
            fmmin = _mm256_min_ps(fmmin, v);
            fmmax = _mm256_max_ps(fmmax, v);
            fmacc = _mm256_add_pd(fmacc, _mm256_cvtps_pd(_mm256_castps256_ps128(v)));
            fmacc = _mm256_add_pd(fmacc, _mm256_cvtps_pd(_mm256_extractf128_ps(v, 1)));
        }
        if (width != tail) {
            __m256 v = _mm256_and_ps(_mm256_load_ps((const float *)srcp + tail), mask);
            fmmin = _mm256_min_ps(fmmin, _mm256_or_ps(v, posmask));
            fmmax = _mm256_max_ps(fmmax, _mm256_or_ps(v, negmask));
            fmacc = _mm256_add_pd(fmacc, _mm256_cvtps_pd(_mm256_castps256_ps128(v)));
            fmacc = _mm256_add_pd(fmacc, _mm256_cvtps_pd(_mm256_extractf128_ps(v, 1)));
        }
        srcp += stride;
    }

    stats->f.min = hmin_ps(fmmin);
    stats->f.max = hmax_ps(fmmax);
    stats->f.acc = hadd_pd(fmacc);
}

void vs_plane_stats_2_byte_avx2(union vs_plane_stats *stats, const void *src1, ptrdiff_t src1_stride, const void *src2, ptrdiff_t src2_stride, unsigned width, unsigned height)
{
    const uint8_t *srcp1 = src1;
    const uint8_t *srcp2 = src2;
    unsigned tail = width & ~31;
    unsigned x, y;

    __m256i mmin = _mm256_set1_epi8(UINT8_MAX);
    __m256i mmax = _mm256_setzero_si256();
    __m256i macc = _mm256_setzero_si256();
    __m256i mdiffacc = _mm256_setzero_si256();
    __m256i mask = _mm256_cmpgt_epi8(_mm256_set1_epi8(width % 32), _mm256_loadu_si256((const __m256i *)ascend8));
    __m256i onesmask = _mm256_andnot_si256(mask, _mm256_set1_epi8(UINT8_MAX));

    for (y = 0; y < height; y++) {
        for (x = 0; x < tail; x += 32) {
            __m256i v1 = _mm256_load_si256((const __m256i *)(srcp1 + x));
            __m256i v2 = _mm256_load_si256((const __m256i *)(srcp2 + x));
            mmin = _mm256_min_epu8(mmin, v1);
            mmax = _mm256_max_epu8(mmax, v1);
            macc = _mm256_add_epi64(macc, _mm256_sad_epu8(v1, _mm256_setzero_si256()));
            mdiffacc = _mm256_add_epi64(mdiffacc, _mm256_sad_epu8(v1, v2));
        }
        if (width != tail) {
            __m256i v1 = _mm256_and_si256(_mm256_load_si256((const __m256i *)(srcp1 + tail)), mask);
            __m256i v2 = _mm256_and_si256(_mm256_load_si256((const __m256i *)(srcp2 + tail)), mask);
            mmin = _mm256_min_epu8(mmin, _mm256_or_si256(v1, onesmask));
            mmax = _mm256_max_epu8(mmax, v1);
            macc = _mm256_add_epi64(macc, _mm256_sad_epu8(v1, _mm256_setzero_si256()));
            mdiffacc = _mm256_add_epi64(mdiffacc, _mm256_sad_epu8(v1, v2));
        }
        srcp1 += src1_stride;
        srcp2 += src2_stride;
    }

    stats->i.min = hmin_epu8(mmin);
    stats->i.max = hmax_epu8(mmax);
    _mm_storel_epi64((__m128i *)&stats->i.acc, hadd_epi64(macc));
    _mm_storel_epi64((__m128i *)&stats->i.diffacc, hadd_epi64(mdiffacc));
}

void vs_plane_stats_2_word_avx2(union vs_plane_stats *stats, const void *src1, ptrdiff_t src1_stride, const void *src2, ptrdiff_t src2_stride, unsigned width, unsigned height)
{
    const uint8_t *srcp1 = src1;
    const uint8_t *srcp2 = src2;
    unsigned tail = width & ~15;
    unsigned x, y;

    __m256i mmin = _mm256_set1_epi16(UINT16_MAX);
    __m256i mmax = _mm256_setzero_si256();
    __m256i macc_lo = _mm256_setzero_si256();
    __m256i macc_hi = _mm256_setzero_si256();
    __m256i mdiffacc_lo = _mm256_setzero_si256();
    __m256i mdiffacc_hi = _mm256_setzero_si256();
    __m256i mask = _mm256_cmpgt_epi16(_mm256_set1_epi16(width % 16), _mm256_loadu_si256((const __m256i *)ascend16));
    __m256i onesmask = _mm256_andnot_si256(mask, _mm256_set1_epi16(UINT16_MAX));
    __m256i low8mask = _mm256_set1_epi16(0xFF);
    __m256i tmp;

    for (y = 0; y < height; y++) {
        for (x = 0; x < tail; x += 16) {
            __m256i v1 = _mm256_load_si256((const __m256i *)((const uint16_t *)srcp1 + x));
            __m256i v2 = _mm256_load_si256((const __m256i *)((const uint16_t *)srcp2 + x));
            __m256i udiff = _mm256_or_si256(_mm256_subs_epu16(v1, v2), _mm256_subs_epu16(v2, v1));

            mmin = _mm256_min_epu16(mmin, v1);
            mmax = _mm256_max_epu16(mmax, v1);

            macc_lo = _mm256_add_epi64(macc_lo, _mm256_sad_epu8(_mm256_and_si256(low8mask, v1), _mm256_setzero_si256()));
            macc_hi = _mm256_add_epi64(macc_hi, _mm256_sad_epu8(_mm256_andnot_si256(low8mask, v1), _mm256_setzero_si256()));

            mdiffacc_lo = _mm256_add_epi64(mdiffacc_lo, _mm256_sad_epu8(_mm256_and_si256(low8mask, udiff), _mm256_setzero_si256()));
            mdiffacc_hi = _mm256_add_epi64(mdiffacc_hi, _mm256_sad_epu8(_mm256_andnot_si256(low8mask, udiff), _mm256_setzero_si256()));
        }
        if (width != tail) {
            __m256i v1 = _mm256_and_si256(_mm256_load_si256((const __m256i *)((const uint16_t *)srcp1 + tail)), mask);
            __m256i v2 = _mm256_and_si256(_mm256_load_si256((const __m256i *)((const uint16_t *)srcp2 + tail)), mask);
            __m256i udiff = _mm256_or_si256(_mm256_subs_epu16(v1, v2), _mm256_subs_epu16(v2, v1));

            mmin = _mm256_min_epu16(mmin, _mm256_or_si256(v1, onesmask));
            mmax = _mm256_max_epu16(mmax, v1);

            macc_lo = _mm256_add_epi64(macc_lo, _mm256_sad_epu8(_mm256_and_si256(low8mask, v1), _mm256_setzero_si256()));
            macc_hi = _mm256_add_epi64(macc_hi, _mm256_sad_epu8(_mm256_andnot_si256(low8mask, v1), _mm256_setzero_si256()));

            mdiffacc_lo = _mm256_add_epi64(mdiffacc_lo, _mm256_sad_epu8(_mm256_and_si256(low8mask, udiff), _mm256_setzero_si256()));
            mdiffacc_hi = _mm256_add_epi64(mdiffacc_hi, _mm256_sad_epu8(_mm256_andnot_si256(low8mask, udiff), _mm256_setzero_si256()));
        }
        srcp1 += src1_stride;
        srcp2 += src2_stride;
    }

    stats->i.min = hmin_epu16(mmin);
    stats->i.max = hmax_epu16(mmax);

    tmp = _mm256_add_epi64(_mm256_unpacklo_epi64(macc_lo, macc_hi), _mm256_unpackhi_epi64(macc_lo, macc_hi));
    tmp = _mm256_add_epi64(tmp, _mm256_slli_epi64(_mm256_unpackhi_epi64(tmp, tmp), 8));
    _mm_storel_epi64((__m128i *)&stats->i.acc, _mm_add_epi64(_mm256_castsi256_si128(tmp), _mm256_extractf128_si256(tmp, 1)));

    tmp = _mm256_add_epi64(_mm256_unpacklo_epi64(mdiffacc_lo, mdiffacc_hi), _mm256_unpackhi_epi64(mdiffacc_lo, mdiffacc_hi));
    tmp = _mm256_add_epi64(tmp, _mm256_slli_epi64(_mm256_unpackhi_epi64(tmp, tmp), 8));
    _mm_storel_epi64((__m128i *)&stats->i.diffacc, _mm_add_epi64(_mm256_castsi256_si128(tmp), _mm256_extractf128_si256(tmp, 1)));
}

void vs_plane_stats_2_float_avx2(union vs_plane_stats *stats, const void *src1, ptrdiff_t src1_stride, const void *src2, ptrdiff_t src2_stride, unsigned width, unsigned height)
{
    const uint8_t *srcp1 = src1;
    const uint8_t *srcp2 = src2;
    unsigned tail = width & ~7;
    unsigned x, y;

    __m256 fmmin = _mm256_set1_ps(INFINITY);
    __m256 fmmax = _mm256_set1_ps(-INFINITY);
    __m256d fmacc = _mm256_setzero_pd();
    __m256d fmdiffacc = _mm256_setzero_pd();
    __m256 mask = _mm256_castsi256_ps(_mm256_cmpgt_epi32(_mm256_set1_epi32(width % 8), _mm256_loadu_si256((const __m256i *)ascend32)));
    __m256 posmask = _mm256_andnot_ps(mask, _mm256_set1_ps(INFINITY));
    __m256 negmask = _mm256_andnot_ps(mask, _mm256_set1_ps(-INFINITY));

    for (y = 0; y < height; y++) {
        for (x = 0; x < tail; x += 8) {
            __m256 v1 = _mm256_load_ps((const float *)srcp1 + x);
            __m256 v2 = _mm256_load_ps((const float *)srcp2 + x);
            __m256 tmp;
            fmmin = _mm256_min_ps(fmmin, v1);
            fmmax = _mm256_max_ps(fmmax, v1);
            fmacc = _mm256_add_pd(fmacc, _mm256_cvtps_pd(_mm256_castps256_ps128(v1)));
            fmacc = _mm256_add_pd(fmacc, _mm256_cvtps_pd(_mm256_extractf128_ps(v1, 1)));
            tmp = _mm256_and_ps(_mm256_castsi256_ps(_mm256_set1_epi32(0x7FFFFFFF)), _mm256_sub_ps(v1, v2));
            fmdiffacc = _mm256_add_pd(fmdiffacc, _mm256_cvtps_pd(_mm256_castps256_ps128(tmp)));
            fmdiffacc = _mm256_add_pd(fmdiffacc, _mm256_cvtps_pd(_mm256_extractf128_ps(tmp, 1)));
        }
        if (width != tail) {
            __m256 v1 = _mm256_and_ps(_mm256_load_ps((const float *)srcp1 + tail), mask);
            __m256 v2 = _mm256_and_ps(_mm256_load_ps((const float *)srcp2 + tail), mask);
            __m256 tmp;
            fmmin = _mm256_min_ps(fmmin, _mm256_or_ps(v1, posmask));
            fmmax = _mm256_max_ps(fmmax, _mm256_or_ps(v1, negmask));
            fmacc = _mm256_add_pd(fmacc, _mm256_cvtps_pd(_mm256_castps256_ps128(v1)));
            fmacc = _mm256_add_pd(fmacc, _mm256_cvtps_pd(_mm256_extractf128_ps(v1, 1)));
            tmp = _mm256_and_ps(_mm256_castsi256_ps(_mm256_set1_epi32(0x7FFFFFFF)), _mm256_sub_ps(v1, v2));
            fmdiffacc = _mm256_add_pd(fmdiffacc, _mm256_cvtps_pd(_mm256_castps256_ps128(tmp)));
            fmdiffacc = _mm256_add_pd(fmdiffacc, _mm256_cvtps_pd(_mm256_extractf128_ps(tmp, 1)));
        }
        srcp1 += src1_stride;
        srcp2 += src2_stride;
    }

    stats->f.min = hmin_ps(fmmin);
    stats->f.max = hmax_ps(fmmax);
    stats->f.acc = hadd_pd(fmacc);
    stats->f.diffacc = hadd_pd(fmdiffacc);
}