tests: K&R formatting cosmetics for test programs

1 files changed, 90 insertions, 87 deletions

diff --git a/tests/tiny_psnr.c b/tests/tiny_psnr.c
index 2bdb4391cf..1583f2cf7b 100644
--- a/tests/tiny_psnr.c
+++ b/tests/tiny_psnr.c
@@ -24,92 +24,95 @@
 #include <inttypes.h>
 #include <assert.h>
 
-#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
+#define FFMIN(a, b) ((a) > (b) ? (b) : (a))
 #define F 100
 #define SIZE 2048
 
-uint64_t exp16_table[21]={
-     65537,
-     65538,
-     65540,
-     65544,
-     65552,
-     65568,
-     65600,
-     65664,
-     65793,
-     66050,
-     66568,
-     67616,
-     69763,
-     74262,
-     84150,
-    108051,
-    178145,
-    484249,
-   3578144,
- 195360063,
- 582360139072LL,
+uint64_t exp16_table[21] = {
+           65537,
+           65538,
+           65540,
+           65544,
+           65552,
+           65568,
+           65600,
+           65664,
+           65793,
+           66050,
+           66568,
+           67616,
+           69763,
+           74262,
+           84150,
+          108051,
+          178145,
+          484249,
+         3578144,
+       195360063,
+    582360139072LL,
 };
 
 // 16.16 fixpoint log()
-static int64_t log16(uint64_t a){
+static int64_t log16(uint64_t a)
+{
     int i;
-    int out=0;
-
-    if(a < 1<<16)
-        return -log16((1LL<<32) / a);
-    a<<=16;
-
-    for(i=20;i>=0;i--){
-        int64_t b= exp16_table[i];
-        if(a<(b<<16)) continue;
-        out |= 1<<i;
-        a = ((a/b)<<16) + (((a%b)<<16) + b/2)/b;
+    int out = 0;
+
+    if (a < 1 << 16)
+        return -log16((1LL << 32) / a);
+    a <<= 16;
+
+    for (i = 20; i >= 0; i--) {
+        int64_t b = exp16_table[i];
+        if (a < (b << 16))
+            continue;
+        out |= 1 << i;
+        a    = ((a / b) << 16) + (((a % b) << 16) + b / 2) / b;
     }
     return out;
 }
 
 static uint64_t int_sqrt(uint64_t a)
 {
-    uint64_t ret=0;
+    uint64_t ret    = 0;
+    uint64_t ret_sq = 0;
     int s;
-    uint64_t ret_sq=0;
 
-    for(s=31; s>=0; s--){
-        uint64_t b= ret_sq + (1ULL<<(s*2)) + (ret<<s)*2;
-        if(b<=a){
-            ret_sq=b;
-            ret+= 1ULL<<s;
+    for (s = 31; s >= 0; s--) {
+        uint64_t b = ret_sq + (1ULL << (s * 2)) + (ret << s) * 2;
+        if (b <= a) {
+            ret_sq = b;
+            ret   += 1ULL << s;
         }
     }
     return ret;
 }
 
-int main(int argc,char* argv[]){
+int main(int argc, char *argv[])
+{
     int i, j;
-    uint64_t sse=0;
+    uint64_t sse = 0;
     uint64_t dev;
     FILE *f[2];
     uint8_t buf[2][SIZE];
     uint64_t psnr;
-    int len= argc<4 ? 1 : atoi(argv[3]);
-    int64_t max= (1<<(8*len))-1;
-    int shift= argc<5 ? 0 : atoi(argv[4]);
-    int skip_bytes = argc<6 ? 0 : atoi(argv[5]);
-    int size0=0;
-    int size1=0;
-    int maxdist = 0;
-
-    if(argc<3){
+    int len        = argc < 4 ? 1 : atoi(argv[3]);
+    int64_t max    = (1 << (8 * len)) - 1;
+    int shift      = argc < 5 ? 0 : atoi(argv[4]);
+    int skip_bytes = argc < 6 ? 0 : atoi(argv[5]);
+    int size0      = 0;
+    int size1      = 0;
+    int maxdist    = 0;
+
+    if (argc < 3) {
         printf("tiny_psnr <file1> <file2> [<elem size> [<shift> [<skip bytes>]]]\n");
         printf("WAV headers are skipped automatically.\n");
         return 1;
     }
 
-    f[0]= fopen(argv[1], "rb");
-    f[1]= fopen(argv[2], "rb");
-    if(!f[0] || !f[1]){
+    f[0] = fopen(argv[1], "rb");
+    f[1] = fopen(argv[2], "rb");
+    if (!f[0] || !f[1]) {
         fprintf(stderr, "Could not open input files.\n");
         return 1;
     }
@@ -118,12 +121,12 @@ int main(int argc,char* argv[]){
         uint8_t *p = buf[i];
         if (fread(p, 1, 12, f[i]) != 12)
             return 1;
-        if (!memcmp(p,   "RIFF", 4) &&
-            !memcmp(p+8, "WAVE", 4)) {
+        if (!memcmp(p, "RIFF", 4) &&
+            !memcmp(p + 8, "WAVE", 4)) {
             if (fread(p, 1, 8, f[i]) != 8)
                 return 1;
             while (memcmp(p, "data", 4)) {
-                int s = p[4] | p[5]<<8 | p[6]<<16 | p[7]<<24;
+                int s = p[4] | p[5] << 8 | p[6] << 16 | p[7] << 24;
                 fseek(f[i], s, SEEK_CUR);
                 if (fread(p, 1, 8, f[i]) != 8)
                     return 1;
@@ -133,47 +136,47 @@ int main(int argc,char* argv[]){
         }
     }
 
-    fseek(f[shift<0], abs(shift), SEEK_CUR);
+    fseek(f[shift < 0], abs(shift), SEEK_CUR);
 
-    fseek(f[0],skip_bytes,SEEK_CUR);
-    fseek(f[1],skip_bytes,SEEK_CUR);
+    fseek(f[0], skip_bytes, SEEK_CUR);
+    fseek(f[1], skip_bytes, SEEK_CUR);
 
-    for(;;){
-        int s0= fread(buf[0], 1, SIZE, f[0]);
-        int s1= fread(buf[1], 1, SIZE, f[1]);
+    for (;;) {
+        int s0 = fread(buf[0], 1, SIZE, f[0]);
+        int s1 = fread(buf[1], 1, SIZE, f[1]);
 
-        for(j=0; j<FFMIN(s0,s1); j++){
-            int64_t a= buf[0][j];
-            int64_t b= buf[1][j];
+        for (j = 0; j < FFMIN(s0, s1); j++) {
+            int64_t a = buf[0][j];
+            int64_t b = buf[1][j];
             int dist;
-            if(len==2){
-                a= (int16_t)(a | (buf[0][++j]<<8));
-                b= (int16_t)(b | (buf[1][  j]<<8));
+            if (len == 2) {
+                a = (int16_t)(a | (buf[0][++j] << 8));
+                b = (int16_t)(b | (buf[1][  j] << 8));
             }
-            sse += (a-b) * (a-b);
-            dist = abs(a-b);
-            if (dist > maxdist) maxdist = dist;
+            sse += (a - b) * (a - b);
+            dist = abs(a - b);
+            if (dist > maxdist)
+                maxdist = dist;
         }
         size0 += s0;
         size1 += s1;
-        if(s0+s1<=0)
+        if (s0 + s1 <= 0)
             break;
     }
 
-    i= FFMIN(size0,size1)/len;
-    if(!i) i=1;
-    dev= int_sqrt( ((sse/i)*F*F) + (((sse%i)*F*F) + i/2)/i );
-    if(sse)
-        psnr= ((2*log16(max<<16) + log16(i) - log16(sse))*284619LL*F + (1LL<<31)) / (1LL<<32);
+    i = FFMIN(size0, size1) / len;
+    if (!i)
+        i = 1;
+    dev = int_sqrt(((sse / i) * F * F) + (((sse % i) * F * F) + i / 2) / i);
+    if (sse)
+        psnr = ((2 * log16(max << 16) + log16(i) - log16(sse)) *
+                284619LL * F + (1LL << 31)) / (1LL << 32);
     else
-        psnr= 1000*F-1; //floating point free infinity :)
+        psnr = 1000 * F - 1; // floating point free infinity :)
 
     printf("stddev:%5d.%02d PSNR:%3d.%02d MAXDIFF:%5d bytes:%9d/%9d\n",
-        (int)(dev/F), (int)(dev%F),
-        (int)(psnr/F), (int)(psnr%F),
-        maxdist,
-        size0, size1);
+           (int)(dev / F), (int)(dev % F),
+           (int)(psnr / F), (int)(psnr % F),
+           maxdist, size0, size1);
     return 0;
 }
-
-