1 files changed, 0 insertions, 139 deletions
diff --git a/contrib/ffmpeg/libavutil/mathematics.c b/contrib/ffmpeg/libavutil/mathematics.c
deleted file mode 100644
index 4be027d9d..000000000
--- a/contrib/ffmpeg/libavutil/mathematics.c
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * Copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at>
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg 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.
- *
- * FFmpeg 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 FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/**
- * @file mathematics.c
- * Miscellaneous math routines and tables.
- */
-
-#include "common.h"
-#include "mathematics.h"
-
-const uint8_t ff_sqrt_tab[128]={
-        0, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5,
-        5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
-        8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
-        9, 9, 9, 9,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,11,11,11,11,11,11,11
-};
-
-const uint8_t ff_log2_tab[256]={
-        0,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,
-        5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
-        6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
-        6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
-        7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-        7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-        7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-        7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7
-};
-
-int64_t ff_gcd(int64_t a, int64_t b){
-    if(b) return ff_gcd(b, a%b);
-    else  return a;
-}
-
-int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd){
-    int64_t r=0;
-    assert(c > 0);
-    assert(b >=0);
-    assert(rnd >=0 && rnd<=5 && rnd!=4);
-
-    if(a<0 && a != INT64_MIN) return -av_rescale_rnd(-a, b, c, rnd ^ ((rnd>>1)&1));
-
-    if(rnd==AV_ROUND_NEAR_INF) r= c/2;
-    else if(rnd&1)             r= c-1;
-
-    if(b<=INT_MAX && c<=INT_MAX){
-        if(a<=INT_MAX)
-            return (a * b + r)/c;
-        else
-            return a/c*b + (a%c*b + r)/c;
-    }else{
-#if 1
-        uint64_t a0= a&0xFFFFFFFF;
-        uint64_t a1= a>>32;
-        uint64_t b0= b&0xFFFFFFFF;
-        uint64_t b1= b>>32;
-        uint64_t t1= a0*b1 + a1*b0;
-        uint64_t t1a= t1<<32;
-        int i;
-
-        a0 = a0*b0 + t1a;
-        a1 = a1*b1 + (t1>>32) + (a0<t1a);
-        a0 += r;
-        a1 += a0<r;
-
-        for(i=63; i>=0; i--){
-//            int o= a1 & 0x8000000000000000ULL;
-            a1+= a1 + ((a0>>i)&1);
-            t1+=t1;
-            if(/*o || */c <= a1){
-                a1 -= c;
-                t1++;
-            }
-        }
-        return t1;
-    }
-#else
-        AVInteger ai;
-        ai= av_mul_i(av_int2i(a), av_int2i(b));
-        ai= av_add_i(ai, av_int2i(r));
-
-        return av_i2int(av_div_i(ai, av_int2i(c)));
-    }
-#endif
-}
-
-int64_t av_rescale(int64_t a, int64_t b, int64_t c){
-    return av_rescale_rnd(a, b, c, AV_ROUND_NEAR_INF);
-}
-
-int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq){
-    int64_t b= bq.num * (int64_t)cq.den;
-    int64_t c= cq.num * (int64_t)bq.den;
-    return av_rescale_rnd(a, b, c, AV_ROUND_NEAR_INF);
-}
-#if 0
-#include "integer.h"
-#undef printf
-main(){
-    int64_t a,b,c,d,e;
-
-    for(a=7; a<(1LL<<62); a+=a/3+1){
-        for(b=3; b<(1LL<<62); b+=b/4+1){
-            for(c=9; c<(1LL<<62); c+=(c*2)/5+3){
-                int64_t r= c/2;
-                AVInteger ai;
-                ai= av_mul_i(av_int2i(a), av_int2i(b));
-                ai= av_add_i(ai, av_int2i(r));
-
-                d= av_i2int(av_div_i(ai, av_int2i(c)));
-
-                e= av_rescale(a,b,c);
-
-                if((double)a * (double)b / (double)c > (1LL<<63))
-                    continue;
-
-                if(d!=e) printf("%"PRId64"*%"PRId64"/%"PRId64"= %"PRId64"=%"PRId64"\n", a, b, c, d, e);
-            }
-        }
-    }
-}
-#endif