Fixes for readability-braces-around-statements checks

- Added braces to 2 if statments for clarity
- Disable google-readability-braces-around-statements and
hicpp-braces-around-statements since they didn't appear to respect the
readability-braces-around-statements.ShortStatementLines setting

.clang-tidy

@@ -37,6 +37,8 @@ Checks: "*,
         -cert-dcl37-c,
         -cert-dcl51-cpp,
         -cppcoreguidelines-pro-bounds-constant-array-index,
+        -google-readability-braces-around-statements,
+        -hicpp-braces-around-statements,
 
         google-readability-avoid-underscore-in-googletest-name,
         google-upgrade-googletest-case,
@@ -45,7 +47,6 @@ Checks: "*,
         -bugprone-implicit-widening-of-multiplication-result,
         -bugprone-narrowing-conversions,
         -bugprone-switch-missing-default-case,
-        -bugprone-switch-missing-default-case,
         -cert-env33-c,
         -cert-err33-c,
         -cert-err34-c,

src/reconstruction/ppmp_cuda.cu

@@ -738,10 +738,12 @@ __device__ void Interface_Values_PPM(Real q_imo, Real q_i, Real q_ipo, Real del_
   if ((*q_R - q_i) * (q_i - *q_L) <= 0) *q_L = *q_R = q_i;
 
   // steep gradient criterion (Fryxell Eqn 53, Fig 12)
-  if (6.0 * (*q_R - *q_L) * (q_i - 0.5 * (*q_L + *q_R)) > (*q_R - *q_L) * (*q_R - *q_L))
+  if (6.0 * (*q_R - *q_L) * (q_i - 0.5 * (*q_L + *q_R)) > (*q_R - *q_L) * (*q_R - *q_L)) {
     *q_L = 3.0 * q_i - 2.0 * (*q_R);
-  if (6.0 * (*q_R - *q_L) * (q_i - 0.5 * (*q_L + *q_R)) < -(*q_R - *q_L) * (*q_R - *q_L))
+  }
+  if (6.0 * (*q_R - *q_L) * (q_i - 0.5 * (*q_L + *q_R)) < -(*q_R - *q_L) * (*q_R - *q_L)) {
     *q_R = 3.0 * q_i - 2.0 * (*q_L);
+  }
 
   *q_L = fmax(fmin(q_i, q_imo), *q_L);
   *q_L = fmin(fmax(q_i, q_imo), *q_L);