fix: PR feedback

Author: blasscoc

examples/real_data_example/README.md

@@ -10,7 +10,7 @@ This tool allows users to extract specific slices from 3D seismic data stored in
 
 ## Prerequisites
 
-- C++ compiler with C++17 support
+- GCC 11 *or better* or Clang14 *or better*
 - MDIO library (for reading seismic data)
 - indicators library (for progress bars)
 - CMake (for building)

examples/real_data_example/src/real_data_example.cc

@@ -81,7 +81,7 @@ absl::Status Run(const Descriptors... descriptors) {
   return absl::OkStatus();
 }
 
-mdio::SliceDescriptor ParseRange(std::string_view range) {
+mdio::RangeDescriptor<> ParseRange(std::string_view range) {
   // Remove leading/trailing whitespace and braces
   if (range.empty()) {
     // FIXME - we need a better way to handle this

examples/real_data_example/src/seismic_numpy.h

@@ -25,6 +25,8 @@
 
 #include "tensorstore/tensorstore.h"
 
+using Index = mdio::Index;
+
 std::string GetNumpyDtypeJson(const tensorstore::DataType& dtype) {
   using namespace tensorstore;
 
@@ -56,14 +58,14 @@ absl::Status WriteNumpy(const mdio::SharedArray<T, R, OriginKind>& accessor,
     return absl::InvalidArgumentError("Expected a 3D array");
   }
 
-  auto inline_inclusive_min = domain[0].inclusive_min();
-  auto inline_exclusive_max = domain[0].exclusive_max();
+  const Index inline_inclusive_min = domain[0].inclusive_min();
+  const Index inline_exclusive_max = domain[0].exclusive_max();
 
-  auto xline_inclusive_min = domain[1].inclusive_min();
-  auto xline_exclusive_max = domain[1].exclusive_max();
+  const Index xline_inclusive_min = domain[1].inclusive_min();
+  const Index xline_exclusive_max = domain[1].exclusive_max();
 
-  auto depth_inclusive_min = domain[2].inclusive_min();
-  auto depth_exclusive_max = domain[2].exclusive_max();
+  const Index depth_inclusive_min = domain[2].inclusive_min();
+  const Index depth_exclusive_max = domain[2].exclusive_max();
 
   const int width = inline_exclusive_max - inline_inclusive_min;
   const int height = xline_exclusive_max - xline_inclusive_min;
@@ -98,9 +100,9 @@ absl::Status WriteNumpy(const mdio::SharedArray<T, R, OriginKind>& accessor,
   outfile.write(header.str().c_str(), header_size);
 
   // Write the data
-  for (int il = inline_inclusive_min; il < inline_exclusive_max; ++il) {
-    for (int xl = xline_inclusive_min; xl < xline_exclusive_max; ++xl) {
-      for (int zl = depth_inclusive_min; zl < depth_exclusive_max; ++zl) {
+  for (Index il = inline_inclusive_min; il < inline_exclusive_max; ++il) {
+    for (Index xl = xline_inclusive_min; xl < xline_exclusive_max; ++xl) {
+      for (Index zl = depth_inclusive_min; zl < depth_exclusive_max; ++zl) {
         T value = accessor(il, xl, zl);
         outfile.write(reinterpret_cast<const char*>(&value), sizeof(T));
       }