add teju-jagua algorithm in the benchmarks

Author: jaja360

README.md

@@ -16,6 +16,7 @@ Currently, the following approaches are compared:
     - [Ryu](https://github.com/ulfjack/ryu)
     - [double-conversion](https://github.com/google/double-conversion)
     - [Abseil](https://github.com/abseil/abseil-cpp)
+    - [Teju Jagua](https://github.com/cassioneri/teju_jagua)
 
 If you have a recent version of CMake (3.15 or better) under linux,  you can simply
 go in the directory and type the following commands:

benchmarks/CMakeLists.txt

@@ -33,4 +33,5 @@ target_link_libraries(benchmark PUBLIC cxxopts)
 target_link_libraries(benchmark PUBLIC grisu2)
 target_link_libraries(benchmark PUBLIC double-conversion)
 target_link_libraries(benchmark PUBLIC ryu::ryu)
+target_link_libraries(benchmark PUBLIC teju)
 target_link_libraries(benchmark PUBLIC dragonbox::dragonbox_to_chars)

benchmarks/benchmark.cpp

@@ -7,6 +7,9 @@
  * data generated.
  */
 
+// Teju Jagua
+#include "cpp/common/traits.hpp"
+
 #ifndef __CYGWIN__
 #include "absl/strings/str_cat.h"
 #endif
@@ -25,6 +28,7 @@
 
 #include "grisu2.h"
 #include "random_generators.h"
+#include "decimalToString.h"
 
 #include <charconv>
 #include <climits>
@@ -136,6 +140,17 @@ void process(std::vector<double> &lines) {
     return volume;
   });
 
+  pretty_print(lines, "teju_jagua", [](const std::vector<double> &lines) {
+    double volume = 0;
+    char buffer[100];
+    for (const auto d : lines) {
+      const auto fields = teju::traits_t<double>::teju(d);
+      const bool sign = (*reinterpret_cast<const uint64_t*>(&d) >> 63) & 1;
+      volume += to_chars(fields.mantissa, fields.exponent, sign, buffer);
+    }
+    return volume;
+  });
+
   pretty_print(lines, "double_conversion", [](const std::vector<double> &lines) {
     double volume = 0;
     const double_conversion::DoubleToStringConverter converter(

dependencies/CMakeLists.txt

@@ -26,21 +26,28 @@ endif()
 
 set(CMAKE_WARN_DEPRECATED OFF CACHE BOOL "Disable deprecation warnings" FORCE)
 set(CMAKE_POLICY_DEFAULT_CMP0077 NEW)
-#cmake_policy(SET CMP0077 NEW)
-FetchContent_Declare(doubleconversion
-     GIT_REPOSITORY https://github.com/google/double-conversion.git
-     GIT_TAG "v3.1.5")
-FetchContent_GetProperties(doubleconversion)
+
+FetchContent_Declare(
+        doubleconversion
+        GIT_REPOSITORY https://github.com/google/double-conversion.git
+        GIT_TAG "v3.1.5")
 FetchContent_MakeAvailable(doubleconversion)
 
+FetchContent_Declare(
+        teju_jagua
+        GIT_REPOSITORY https://github.com/jaja360/teju_jagua.git
+        GIT_TAG main
+        GIT_SHALLOW TRUE
+)
+FetchContent_MakeAvailable(teju_jagua)
+
 #CPMAddPackage("gh:ulfjack/[email protected]")
 FetchContent_Declare(
         ryu
         GIT_REPOSITORY https://github.com/ulfjack/ryu
         GIT_TAG master
         GIT_SHALLOW TRUE
 )
-
 FetchContent_MakeAvailable(ryu)
 
 FetchContent_Declare(
@@ -49,7 +56,6 @@ FetchContent_Declare(
         GIT_TAG tags/1.1.3
         GIT_SHALLOW TRUE
 )
-
 FetchContent_MakeAvailable(dragonbox)
 
 CPMAddPackage("gh:fmtlib/fmt#11.0.2")