Clang-format c/cpp files in test directory (#4192)

This clang-formats c/cpp files in test/ directory, and updates
clang-format-diff.sh so that it does not ignore test/ directory anymore.

bigswitch.cpp is excluded from formatting, because there are big
commented-out code blocks, and apparently clang-format messes up
formatting in them. Also to make matters worse, different clang-format
versions do different things on those commented-out code blocks.

1 files changed, 4 insertions, 4 deletions

diff --git a/test/float_ops.cpp b/test/float_ops.cpp
index 9e4d68bae..5976ceb63 100644
--- a/test/float_ops.cpp
+++ b/test/float_ops.cpp
@@ -1,5 +1,5 @@
-#include <cmath>
 #include <algorithm>
+#include <cmath>
 #include <emscripten.h>
 
 extern "C" {
@@ -13,7 +13,9 @@ double EMSCRIPTEN_KEEPALIVE dadd(double x, double y) { return x + y; }
 double EMSCRIPTEN_KEEPALIVE dsub(double x, double y) { return x - y; }
 double EMSCRIPTEN_KEEPALIVE dmul(double x, double y) { return x * y; }
 double EMSCRIPTEN_KEEPALIVE ddiv(double x, double y) { return x / y; }
-double EMSCRIPTEN_KEEPALIVE dcopysign(double x, double y) { return std::copysign(x, y); }
+double EMSCRIPTEN_KEEPALIVE dcopysign(double x, double y) {
+  return std::copysign(x, y);
+}
 double EMSCRIPTEN_KEEPALIVE dmin(double x, double y) { return std::min(x, y); }
 double EMSCRIPTEN_KEEPALIVE dmax(double x, double y) { return std::max(x, y); }
 
@@ -68,6 +70,4 @@ int EMSCRIPTEN_KEEPALIVE float_to_uint(float d) {
   unsigned x = d;
   return x;
 }
-
 }
-