mathematics: K&R formatting cosmetics

libavutil/mathematics.c

@@ -50,21 +50,28 @@ const uint8_t av_reverse[256]={
 };
 #endif
 
-int64_t av_gcd(int64_t a, int64_t b){
-    if(b) return av_gcd(b, a%b);
-    else  return a;
+int64_t av_gcd(int64_t a, int64_t b)
+{
+    if (b)
+        return av_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 av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd)
+{
     int64_t r = 0;
 
     if (c <= 0 || b < 0 || rnd == 4 || rnd > 5)
         return INT64_MIN;
 
-    if(a<0 && a != INT64_MIN) return -av_rescale_rnd(-a, b, c, rnd ^ ((rnd>>1)&1));
+    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 (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)
@@ -87,10 +94,9 @@ int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd){
         a1 += a0 < r;
 
         for (i = 63; i >= 0; i--) {
-//            int o= a1 & 0x8000000000000000ULL;
             a1 += a1 + ((a0 >> i) & 1);
             t1 += t1;
-            if(/*o || */c <= a1){
+            if (c <= a1) {
                 a1 -= c;
                 t1++;
             }
@@ -107,7 +113,8 @@ int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd){
 #endif
 }
 
-int64_t av_rescale(int64_t a, int64_t b, int64_t c){
+int64_t av_rescale(int64_t a, int64_t b, int64_t c)
+{
     return av_rescale_rnd(a, b, c, AV_ROUND_NEAR_INF);
 }
 
@@ -124,15 +131,19 @@ int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
     return av_rescale_q_rnd(a, bq, cq, AV_ROUND_NEAR_INF);
 }
 
-int av_compare_ts(int64_t ts_a, AVRational tb_a, int64_t ts_b, AVRational tb_b){
+int av_compare_ts(int64_t ts_a, AVRational tb_a, int64_t ts_b, AVRational tb_b)
+{
     int64_t a = tb_a.num * (int64_t)tb_b.den;
     int64_t b = tb_b.num * (int64_t)tb_a.den;
-    if (av_rescale_rnd(ts_a, a, b, AV_ROUND_DOWN) < ts_b) return -1;
-    if (av_rescale_rnd(ts_b, b, a, AV_ROUND_DOWN) < ts_a) return  1;
+    if (av_rescale_rnd(ts_a, a, b, AV_ROUND_DOWN) < ts_b)
+        return -1;
+    if (av_rescale_rnd(ts_b, b, a, AV_ROUND_DOWN) < ts_a)
+        return 1;
     return 0;
 }
 
-int64_t av_compare_mod(uint64_t a, uint64_t b, uint64_t mod){
+int64_t av_compare_mod(uint64_t a, uint64_t b, uint64_t mod)
+{
     int64_t c = (a - b) & (mod - 1);
     if (c > (mod >> 1))
         c -= mod;