ClangFormat: apply to source, most of intern

Apply clang format as proposed in T53211.

For details on usage and instructions for migrating branches
without conflicts, see:

https://wiki.blender.org/wiki/Tools/ClangFormat

intern/cycles/util/util_time.cpp

@@ -32,44 +32,44 @@ CCL_NAMESPACE_BEGIN
 #ifdef _WIN32
 double time_dt()
 {
-	__int64 frequency, counter;
+  __int64 frequency, counter;
 
-	QueryPerformanceFrequency((LARGE_INTEGER*)&frequency);
-	QueryPerformanceCounter((LARGE_INTEGER*)&counter);
+  QueryPerformanceFrequency((LARGE_INTEGER *)&frequency);
+  QueryPerformanceCounter((LARGE_INTEGER *)&counter);
 
-	return (double)counter/(double)frequency;
+  return (double)counter / (double)frequency;
 }
 
 void time_sleep(double t)
 {
-	Sleep((int)(t*1000));
+  Sleep((int)(t * 1000));
 }
 #else
 double time_dt()
 {
-	struct timeval now;
-	gettimeofday(&now, NULL);
+  struct timeval now;
+  gettimeofday(&now, NULL);
 
-	return now.tv_sec + now.tv_usec*1e-6;
+  return now.tv_sec + now.tv_usec * 1e-6;
 }
 
 /* sleep t seconds */
 void time_sleep(double t)
 {
-	/* get whole seconds */
-	int s = (int)t;
+  /* get whole seconds */
+  int s = (int)t;
 
-	if(s >= 1) {
-		sleep(s);
+  if (s >= 1) {
+    sleep(s);
 
-		/* adjust parameter to remove whole seconds */
-		t -= s;
-	}
+    /* adjust parameter to remove whole seconds */
+    t -= s;
+  }
 
-	/* get microseconds */
-	int us = (int)(t * 1e6);
-	if(us > 0)
-		usleep(us);
+  /* get microseconds */
+  int us = (int)(t * 1e6);
+  if (us > 0)
+    usleep(us);
 }
 #endif
 
@@ -77,63 +77,63 @@ void time_sleep(double t)
 
 string time_human_readable_from_seconds(const double seconds)
 {
-	const int h = (((int)seconds) / (60 * 60));
-	const int m = (((int)seconds) / 60) % 60;
-	const int s = (((int)seconds) % 60);
-	const int r = (((int)(seconds * 100)) % 100);
+  const int h = (((int)seconds) / (60 * 60));
+  const int m = (((int)seconds) / 60) % 60;
+  const int s = (((int)seconds) % 60);
+  const int r = (((int)(seconds * 100)) % 100);
 
-	if(h > 0) {
-		return string_printf("%.2d:%.2d:%.2d.%.2d", h, m, s, r);
-	}
-	else {
-		return string_printf("%.2d:%.2d.%.2d", m, s, r);
-	}
+  if (h > 0) {
+    return string_printf("%.2d:%.2d:%.2d.%.2d", h, m, s, r);
+  }
+  else {
+    return string_printf("%.2d:%.2d.%.2d", m, s, r);
+  }
 }
 
-double time_human_readable_to_seconds(const string& time_string)
+double time_human_readable_to_seconds(const string &time_string)
 {
-	/* Those are multiplies of a corresponding token surrounded by : in the
-	 * time string, which denotes how to convert value to seconds.
-	 * Effectively: seconds, minutes, hours, days in seconds. */
-	const int multipliers[] = {1, 60, 60*60, 24*60*60};
-	const int num_multiplies = sizeof(multipliers) / sizeof(*multipliers);
-	if(time_string.empty()) {
-		return 0.0;
-	}
-	double result = 0.0;
-	/* Split fractions of a second from the encoded time. */
-	vector<string> fraction_tokens;
-	string_split(fraction_tokens, time_string, ".", false);
-	const int num_fraction_tokens = fraction_tokens.size();
-	if(num_fraction_tokens == 0) {
-		/* Time string is malformed. */
-		return 0.0;
-	}
-	else if(fraction_tokens.size() == 1) {
-		/* There is no fraction of a second specified, the rest of the code
-		 * handles this normally. */
-	}
-	else if(fraction_tokens.size() == 2) {
-		result = atof(fraction_tokens[1].c_str());
-		result *= pow(0.1, fraction_tokens[1].length());
-	}
-	else {
-		/* This is not a valid string, the result can not be reliable. */
-		return 0.0;
-	}
-	/* Split hours, minutes and seconds.
-	 * Hours part is optional. */
-	vector<string> tokens;
-	string_split(tokens, fraction_tokens[0], ":", false);
-	const int num_tokens = tokens.size();
-	if(num_tokens > num_multiplies) {
-		/* Can not reliably represent the value. */
-		return 0.0;
-	}
-	for(int i = 0; i < num_tokens; ++i) {
-		result += atoi(tokens[num_tokens - i - 1].c_str()) * multipliers[i];
-	}
-	return result;
+  /* Those are multiplies of a corresponding token surrounded by : in the
+   * time string, which denotes how to convert value to seconds.
+   * Effectively: seconds, minutes, hours, days in seconds. */
+  const int multipliers[] = {1, 60, 60 * 60, 24 * 60 * 60};
+  const int num_multiplies = sizeof(multipliers) / sizeof(*multipliers);
+  if (time_string.empty()) {
+    return 0.0;
+  }
+  double result = 0.0;
+  /* Split fractions of a second from the encoded time. */
+  vector<string> fraction_tokens;
+  string_split(fraction_tokens, time_string, ".", false);
+  const int num_fraction_tokens = fraction_tokens.size();
+  if (num_fraction_tokens == 0) {
+    /* Time string is malformed. */
+    return 0.0;
+  }
+  else if (fraction_tokens.size() == 1) {
+    /* There is no fraction of a second specified, the rest of the code
+     * handles this normally. */
+  }
+  else if (fraction_tokens.size() == 2) {
+    result = atof(fraction_tokens[1].c_str());
+    result *= pow(0.1, fraction_tokens[1].length());
+  }
+  else {
+    /* This is not a valid string, the result can not be reliable. */
+    return 0.0;
+  }
+  /* Split hours, minutes and seconds.
+   * Hours part is optional. */
+  vector<string> tokens;
+  string_split(tokens, fraction_tokens[0], ":", false);
+  const int num_tokens = tokens.size();
+  if (num_tokens > num_multiplies) {
+    /* Can not reliably represent the value. */
+    return 0.0;
+  }
+  for (int i = 0; i < num_tokens; ++i) {
+    result += atoi(tokens[num_tokens - i - 1].c_str()) * multipliers[i];
+  }
+  return result;
 }
 
 CCL_NAMESPACE_END