Merge pull request #657 from ckormanyos/cumulative_trivial_syntax

Cumulative trivial syntax

Author: ckormanyos

ref_app/src/app/benchmark/app_benchmark_non_std_decimal.cpp

@@ -34,12 +34,11 @@ static_assert(std::numeric_limits<builtin_float_type>::digits == 53,
 
 
 #if 0
-GCC11, arm-none-eabi, float-abi=soft, -O2
+GCC14.2, arm-none-eabi, float-abi=soft, -O2
 
 Calculation exp() via Pade approximation approx. 15 decimal digits.
 Code-size includes about 2kb for startup, clock-init, skinny MCAL and cooperative time-scheduler.
 
-
 target-specific flags
 ---------------------
 -O2
@@ -52,15 +51,14 @@ target-specific flags
 -mno-unaligned-access
 -mno-long-calls
 
-// TBD: These are very old numbers. Today's decimal is expected
-// to be significantly speedier. Update these numbers sometime.
-
+// These are the updated numbers from boost::decimal Git-hash 0b474bf05f339f21d87dd1902dc6294bb9914254.
 
-| Type                           |  runtime [us] |  relative  |    code-size [kb] |
-|--------------------------------|---------------|------------|-------------------|
-| double (built-in, no FPU)      |  22           |   1.0      |       5.6         |
-| ::math::softfloat::float64_t   |  27           |   1.2      |       8.5         |
-| boost::decimal::decimal64_t    |  490          |    22      |       20          |
+| Type                               |  runtime [us] |  relative  |    code-size [kb] |
+|------------------------------------|---------------|------------|-------------------|
+| `double` (built-in, no FPU)        |   $22$        |  $1.0$     |      $5.6$        |
+| `::math::softfloat::float64_t`     |   $27$        |  $1.2$     |      $8.5$        |
+| `boost::decimal::decimal_fast64_t` |  $170$        |  $7.7$     |      $18$         |
+| `boost::decimal::decimal64_t`      |  $200$        |  $9.1$     |      $20$         |
 #endif
 
 namespace local

ref_app/src/mcal/mcal_gcc_cxx_completion.cpp

@@ -146,6 +146,9 @@ extern "C"
   #endif
 
   std::uint8_t __fdlib_version;
+
+  // Patched DSO label.
+  void* __dso_handle;
 }
 
 void mcal_gcc_cxx_dummy()

ref_app/src/util/STL/algorithm

@@ -207,22 +207,20 @@
                                  input_iterator2 first2,
                                  input_iterator2 last2)
     {
-      while(first1 != last1)
+      for( ; (first1 != last1) && (first2 != last2); static_cast<void>(++first1), static_cast<void>(++first2))
       {
-        if((first2 == last2) || (*first2 < *first1))
-        {
-          return false;
-        }
-        else if(*first1 < *first2)
+        if(*first1 < *first2)
         {
           return true;
         }
 
-        ++first1;
-        ++first2;
+        if(*first2 < *first1)
+        {
+          return false;
+        }
       }
 
-      return (first2 != last2);
+      return ((first1 == last1) && (first2 != last2));
     }
 
     template<typename input_iterator,