Add math_approx dependency as a submodule (#345)

* Add math_approx dependency as a submodule

* Trying to fix headless build

.github/workflows/arm-mac.yml

@@ -47,15 +47,6 @@ jobs:
         token: ${{ secrets.OUR_GITHUB_PAT }}
         path: modules/jai
 
-    - name: Checkout math_approx
-      uses: actions/checkout@v2
-      if: github.actor == 'jatinchowdhury18'
-      with:
-        ref: main
-        repository: Chowdhury-DSP/math_approx
-        token: ${{ secrets.OUR_GITHUB_PAT }}
-        path: modules/math_approx
-
     - name: Configure
       shell: bash
       run: cmake -Bbuild -GXcode $CONFIGURE_ADD_ONS_FLAG -D"CMAKE_OSX_ARCHITECTURES=arm64"

.github/workflows/cmake.yml

@@ -63,15 +63,6 @@ jobs:
         token: ${{ secrets.OUR_GITHUB_PAT }}
         path: modules/jai
 
-    - name: Checkout math_approx
-      uses: actions/checkout@v2
-      if: github.actor == 'jatinchowdhury18'
-      with:
-        ref: main
-        repository: Chowdhury-DSP/math_approx
-        token: ${{ secrets.OUR_GITHUB_PAT }}
-        path: modules/math_approx
-
     - name: Configure
       shell: bash
       env:

.gitmodules

@@ -28,3 +28,6 @@
 [submodule "modules/melatonin_perfetto"]
 	path = modules/melatonin_perfetto
 	url = https://github.com/sudara/melatonin_perfetto
+[submodule "modules/math_approx"]
+	path = modules/math_approx
+	url = https://github.com/Chowdhury-DSP/math_approx

modules/CMakeLists.txt

@@ -16,6 +16,7 @@ add_subdirectory(RTNeural)
  # add other C++ libraries
 add_subdirectory(sst-cpputils)
 add_subdirectory(ea_variant)
+add_subdirectory(math_approx)
 
 include(cmake/WarningFlags.cmake)
 include(cmake/ConfigFlags.cmake)
@@ -43,6 +44,7 @@ target_link_libraries(juce_plugin_modules
         chowdsp::chowdsp_visualizers
         RTNeural
         ea_variant
+        math_approx
     PUBLIC
         config_flags
         juce::juce_recommended_lto_flags
@@ -99,13 +101,6 @@ if(ASIOSDK_DIR)
     target_compile_definitions(juce_plugin_modules PUBLIC JUCE_ASIO=1)
 endif()
 
-if(IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/math_approx")
-    message(STATUS "Configuring math_approx")
-    add_subdirectory(math_approx)
-    target_link_libraries(juce_plugin_modules PUBLIC math_approx)
-    target_compile_definitions(juce_plugin_modules PRIVATE BYOD_USE_MATH_APPROX=1)
-endif()
-
 if(IOS)
     target_link_libraries(juce_plugin_modules PRIVATE juce::juce_product_unlocking)
     target_compile_definitions(juce_plugin_modules PUBLIC JUCE_IN_APP_PURCHASES=1)

src/CMakeLists.txt

@@ -170,7 +170,13 @@ endif()
 # AVX/SSE files for accelerated neural nets
 make_lib_simd_runtime(rnn_accelerated processors/drive/neural_utils/RNNAccelerated.cpp)
 foreach(target IN ITEMS rnn_accelerated_sse_or_arm rnn_accelerated_avx)
-    target_link_libraries(${target} PRIVATE config_flags juce::juce_recommended_lto_flags warning_flags)
+    target_link_libraries(${target}
+        PRIVATE
+            math_approx
+            config_flags
+            juce::juce_recommended_lto_flags
+            warning_flags
+    )
     target_include_directories(${target}
         PRIVATE
             ${CMAKE_CURRENT_SOURCE_DIR}/../modules/RTNeural
@@ -183,11 +189,6 @@ foreach(target IN ITEMS rnn_accelerated_sse_or_arm rnn_accelerated_avx)
         C_VISIBILITY_PRESET hidden
         CXX_VISIBILITY_PRESET hidden
     )
-    if(TARGET math_approx)
-        message(STATUS "Using math_approx for ${target}")
-        target_compile_definitions(${target} PRIVATE RTNEURAL_USE_MATH_APPROX=1)
-        target_link_libraries(${target} PRIVATE math_approx)
-    endif()
 endforeach()
 target_compile_definitions(rnn_accelerated_sse_or_arm PRIVATE RTNEURAL_DEFAULT_ALIGNMENT=16 RTNEURAL_NAMESPACE=RTNeural_sse_arm)
 target_compile_definitions(rnn_accelerated_avx PRIVATE RTNEURAL_DEFAULT_ALIGNMENT=32 RTNEURAL_NAMESPACE=RTNeural_avx)

src/headless/CMakeLists.txt

@@ -48,11 +48,9 @@ target_include_directories(BYOD_headless
         ../../modules/JUCE/modules
         ../../modules/chowdsp_wdf/include
         ../../modules/ea_variant
+        ../../modules/math_approx/include
         ${juce_includes}
 )
-if(TARGET math_approx)
-    target_include_directories(BYOD_headless PRIVATE ../../modules/math_approx/include)
-endif()
 
 target_link_libraries(BYOD_headless PUBLIC
     BinaryData

src/pch.h

@@ -38,9 +38,7 @@ JUCE_END_IGNORE_WARNINGS_GCC_LIKE
 #include "jai/SharedJaiContext.h"
 #endif
 
-#if BYOD_USE_MATH_APPROX
 #include <math_approx/math_approx.hpp>
-#endif
 
 // global definitions
 using Parameters = std::vector<std::unique_ptr<juce::RangedAudioParameter>>;

src/processors/drive/diode_circuits/OmegaProvider.h

@@ -2,7 +2,6 @@
 
 #include <pch.h>
 
-#if BYOD_USE_MATH_APPROX
 struct OmegaProvider
 {
     template <typename T>
@@ -11,6 +10,3 @@ struct OmegaProvider
         return math_approx::wright_omega<3, 3> (x);
     }
 };
-#else
-using OmegaProvider = chowdsp::Omega::Omega;
-#endif

src/processors/drive/neural_utils/RNNAccelerated.cpp

@@ -11,11 +11,9 @@
 #endif
 
 #include <RTNeural/RTNeural.h>
-
-#if RTNEURAL_USE_MATH_APPROX
 #include <math_approx/math_approx.hpp>
 
-struct ApproxMathsProvider
+struct RNNMathsProvider
 {
     template <typename T>
     static T tanh (T x)
@@ -29,10 +27,6 @@ struct ApproxMathsProvider
         return math_approx::sigmoid<9> (x);
     }
 };
-using RNNMathsProvider = ApproxMathsProvider;
-#else
-using RNNMathsProvider = RTNEURAL_NAMESPACE::DefaultMathsProvider;
-#endif
 
 #include "model_loaders.h"