Tencent · nihui · Oct 23, 2023 · Aug 3, 2023 · Aug 3, 2023 · Aug 11, 2023
diff --git a/.ci/linux-x64-cpu-gcc.yml b/.ci/linux-x64-cpu-gcc.yml
@@ -117,3 +117,11 @@ jobs:
         cmake --build . -j $(nproc)
     - name: test-simplestl-simpleomp
       run: cd build-simplestl-simpleomp && ctest --output-on-failure -j $(nproc)
+    - name: build-simplestl-simplemath
+      run: |
+        mkdir build-simplestl-simplemath && cd build-simplestl-simplemath
+        cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/host-c.gcc.toolchain.cmake -DNCNN_STDIO=ON -DNCNN_STRING=ON -DNCNN_SIMPLESTL=ON -DNCNN_SIMPLEMATH=ON -DNCNN_BUILD_TESTS=ON -DNCNN_BUILD_BENCHMARK=OFF -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF ..
+        cmake --build . -j $(nproc)
+    - name: test-simplestl-simplemath
+      run: cd build-simplestl-simplemath && ctest --output-on-failure -j $(nproc)
+
diff --git a/.ci/test-coverage.yml b/.ci/test-coverage.yml
@@ -908,3 +908,47 @@ jobs:
         lcov --list lcov.info
     - name: codecov
       run: ./codecov -t ${{settings.CODECOV_TOKEN.access_token}} -C ${{ ci.sha }} -B ${{ ci.head_ref }} -f build/lcov.info
+
+  linux-gcc-x64-simplemath:
+    name: linux-gcc-x64-simplemath
+
+    runs-on:
+      pool-name: docker
+      container:
+        image: bkci/ci:ubuntu
+    steps:
+    - name: checkout
+      checkout: self
+      with:
+        strategy: FRESH_CHECKOUT
+        enableSubmodule: false
+        enableGitLfs: false
+
+    - name: install-deps
+      run: |
+        apt-get update
+        apt-get install -y lcov
+        curl https://uploader.codecov.io/verification.gpg | gpg --no-default-keyring --keyring trustedkeys.gpg --import
+        curl -Os https://uploader.codecov.io/latest/linux/codecov
+        curl -Os https://uploader.codecov.io/latest/linux/codecov.SHA256SUM
+        curl -Os https://uploader.codecov.io/latest/linux/codecov.SHA256SUM.sig
+        gpgv codecov.SHA256SUM.sig codecov.SHA256SUM
+        shasum -a 256 -c codecov.SHA256SUM
+        chmod +x codecov
+
+    - name: build
+      run: |
+        mkdir build && cd build
+        cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/host-c.gcc.toolchain.cmake -DCMAKE_BUILD_TYPE=debug -DNCNN_COVERAGE=ON -DNCNN_STDIO=ON -DNCNN_STRING=ON -DNCNN_SIMPLESTL=ON -DNCNN_SIMPLEMATH=ON -DNCNN_BUILD_TESTS=ON -DNCNN_BUILD_BENCHMARK=OFF -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF ..
+        cmake --build . -j $(nproc)
+    - name: test
+      run: cd build && ctest --output-on-failure -j $(nproc)
+    - name: lcov-collect
+      run: |
+        cd build
+        lcov -d ./src -c -o lcov.info
+        lcov -r lcov.info '/usr/*' -o lcov.info
+        lcov -r lcov.info '*/build/*' -o lcov.info
+        lcov --list lcov.info
+    - name: codecov
+      run: ./codecov -t ${{settings.CODECOV_TOKEN.access_token}} -C ${{ ci.sha }} -B ${{ ci.head_ref }} -f build/lcov.info
diff --git a/.github/workflows/linux-aarch64-cpu-gcc.yml b/.github/workflows/linux-aarch64-cpu-gcc.yml
@@ -86,6 +86,17 @@ jobs:
         export PATH=$GITHUB_WORKSPACE/qemu-install/bin:$PATH
         cd build-noint8
         TESTS_EXECUTABLE_LOADER=qemu-aarch64 TESTS_EXECUTABLE_LOADER_ARGUMENTS="-L;/usr/aarch64-linux-gnu" ctest --output-on-failure -j 2
+
+    - name: build-simplestl-simplemath
+      run: |
+        mkdir build-simplestl-simplemath && cd build-simplestl-simplemath 
+        cmake -DCMAKE_TOOLCHAIN_FILE=../toolchains/aarch64-linux-gnu-c.toolchain.cmake -DNCNN_STDIO=ON -DNCNN_STRING=ON -DNCNN_SIMPLESTL=ON -DNCNN_SIMPLEMATH=ON -DNCNN_BUILD_TESTS=ON -DNCNN_BUILD_BENCHMARK=OFF -DNCNN_BUILD_TOOLS=OFF -DNCNN_BUILD_EXAMPLES=OFF ..
+        cmake --build . -j 2
+    - name: test-simplestl-simplemath
+      run: |
+        export PATH=$GITHUB_WORKSPACE/qemu-install/bin:$PATH
+        cd build-simplestl-simplemath
+        TESTS_EXECUTABLE_LOADER=qemu-aarch64 TESTS_EXECUTABLE_LOADER_ARGUMENTS="-L;/usr/aarch64-linux-gnu" ctest --output-on-failure -j 2
 
   linux-gcc-arm82:
     runs-on: ubuntu-20.04

diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -56,6 +56,7 @@ option(NCNN_INSTALL_SDK "install ncnn library and headers" ON)
 option(NCNN_SIMPLEOCV "minimal opencv structure emulation" OFF)
 option(NCNN_SIMPLEOMP "minimal openmp runtime emulation" OFF)
 option(NCNN_SIMPLESTL "minimal cpp stl structure emulation" OFF)
+option(NCNN_SIMPLEMATH "minimal cmath" OFF)
 option(NCNN_THREADS "build with threads" ON)
 option(NCNN_BENCHMARK "print benchmark information for every layer" OFF)
 option(NCNN_C_API "build with C api" ON)

diff --git a/benchmark/benchncnn.cpp b/benchmark/benchncnn.cpp
@@ -25,7 +25,10 @@
 #include "datareader.h"
 #include "net.h"
 #include "gpu.h"
+
+#ifndef NCNN_SIMPLESTL
 #include <vector>
+#endif
 
 class DataReaderFromEmpty : public ncnn::DataReader
 {

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
@@ -39,6 +39,7 @@ set(ncnn_SRCS
     simpleocv.cpp
     simpleomp.cpp
     simplestl.cpp
+    simplemath.cpp
 )
 
 if(ANDROID)
@@ -207,7 +208,7 @@ if(NOT NCNN_SHARED_LIB)
     set_target_properties(ncnn PROPERTIES COMPILE_FLAGS -DNCNN_STATIC_DEFINE)
 endif()
 
-if(NCNN_SIMPLESTL)
+if(NCNN_SIMPLESTL AND NOT NCNN_SIMPLEMATH)
     # link math lib explicitly
     target_link_libraries(ncnn PUBLIC m)
 endif()
@@ -260,7 +261,6 @@ if(NCNN_THREADS)
     if(TARGET Threads::Threads)
         target_link_libraries(ncnn PUBLIC Threads::Threads)
     endif()
-
     if(NCNN_SIMPLEOMP OR NCNN_SIMPLESTL)
         target_link_libraries(ncnn PUBLIC pthread)
     endif()
@@ -580,6 +580,7 @@ if(NCNN_INSTALL_SDK)
         simpleocv.h
         simpleomp.h
         simplestl.h
+        simplemath.h
         vulkan_header_fix.h
         ${CMAKE_CURRENT_BINARY_DIR}/ncnn_export.h
         ${CMAKE_CURRENT_BINARY_DIR}/layer_shader_type_enum.h
@@ -598,5 +599,4 @@ endif()
 # add ncnn and generate-spirv to a virtual project group
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 set_property(TARGET ncnn PROPERTY FOLDER "libncnn")
-set_property(TARGET ncnn-generate-spirv PROPERTY FOLDER "libncnn")
-
+set_property(TARGET ncnn-generate-spirv PROPERTY FOLDER "libncnn")
diff --git a/src/gpu.cpp b/src/gpu.cpp
@@ -16,7 +16,6 @@
 
 #if NCNN_VULKAN
 
-#include <math.h>
 #include <string.h>
 #include <vulkan/vulkan.h>
 

diff --git a/src/layer.cpp b/src/layer.cpp
@@ -16,7 +16,6 @@
 
 #include "cpu.h"
 
-#include <math.h>
 #include <string.h>
 
 #ifdef _MSC_VER

diff --git a/src/layer.h b/src/layer.h
@@ -21,8 +21,6 @@
 #include "paramdict.h"
 #include "platform.h"
 
-#include <math.h>
-
 #if NCNN_VULKAN
 #include "command.h"
 #include "pipeline.h"

diff --git a/src/layer/arm/binaryop_arm.cpp b/src/layer/arm/binaryop_arm.cpp
@@ -14,8 +14,6 @@
 
 #include "binaryop_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #include "neon_mathfun.h"

diff --git a/src/layer/arm/binaryop_arm_asimdhp.cpp b/src/layer/arm/binaryop_arm_asimdhp.cpp
@@ -14,8 +14,6 @@
 
 #include "binaryop_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #include "neon_mathfun.h"

diff --git a/src/layer/arm/cast_arm_bf16.cpp b/src/layer/arm/cast_arm_bf16.cpp
@@ -14,7 +14,7 @@
 
 #include "cpu.h"
 #include "mat.h"
-#include <math.h>
+
 namespace ncnn {
 
 #include "cast_bf16.h"

diff --git a/src/layer/arm/gelu_arm.cpp b/src/layer/arm/gelu_arm.cpp
@@ -14,8 +14,6 @@
 
 #include "gelu_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #include "neon_mathfun.h"

diff --git a/src/layer/arm/gelu_arm_asimdhp.cpp b/src/layer/arm/gelu_arm_asimdhp.cpp
@@ -14,8 +14,6 @@
 
 #include "gelu_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #include "neon_mathfun.h"

diff --git a/src/layer/arm/gru_arm.cpp b/src/layer/arm/gru_arm.cpp
@@ -14,8 +14,6 @@
 
 #include "gru_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #endif // __ARM_NEON

diff --git a/src/layer/arm/gru_arm_asimdhp.cpp b/src/layer/arm/gru_arm_asimdhp.cpp
@@ -14,8 +14,6 @@
 
 #include "gru_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #endif // __ARM_NEON

diff --git a/src/layer/arm/innerproduct_arm.h b/src/layer/arm/innerproduct_arm.h
@@ -16,8 +16,6 @@
 #define LAYER_INNERPRODUCT_ARM_H
 
 #include "innerproduct.h"
-#include <cmath>
-#include <cstdlib>
 
 namespace ncnn {
 

diff --git a/src/layer/arm/interp_arm.cpp b/src/layer/arm/interp_arm.cpp
@@ -14,8 +14,6 @@
 
 #include "interp_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #endif // __ARM_NEON

diff --git a/src/layer/arm/interp_arm_asimdhp.cpp b/src/layer/arm/interp_arm_asimdhp.cpp
@@ -14,8 +14,6 @@
 
 #include "interp_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #endif // __ARM_NEON

diff --git a/src/layer/arm/lrn_arm.cpp b/src/layer/arm/lrn_arm.cpp
@@ -14,8 +14,6 @@
 
 #include "lrn_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #include "neon_mathfun.h"

diff --git a/src/layer/arm/lstm_arm.cpp b/src/layer/arm/lstm_arm.cpp
@@ -14,8 +14,6 @@
 
 #include "lstm_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #endif // __ARM_NEON

diff --git a/src/layer/arm/lstm_arm_asimdhp.cpp b/src/layer/arm/lstm_arm_asimdhp.cpp
@@ -14,8 +14,6 @@
 
 #include "lstm_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #endif // __ARM_NEON

diff --git a/src/layer/arm/mish_arm.cpp b/src/layer/arm/mish_arm.cpp
@@ -14,8 +14,6 @@
 
 #include "mish_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #include "neon_mathfun.h"

diff --git a/src/layer/arm/mish_arm_asimdhp.cpp b/src/layer/arm/mish_arm_asimdhp.cpp
@@ -14,8 +14,6 @@
 
 #include "mish_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #include "neon_mathfun.h"

diff --git a/src/layer/arm/quantize_arm.cpp b/src/layer/arm/quantize_arm.cpp
@@ -15,8 +15,6 @@
 
 #include "quantize_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #endif // __ARM_NEON

diff --git a/src/layer/arm/quantize_arm_asimdhp.cpp b/src/layer/arm/quantize_arm_asimdhp.cpp
@@ -14,8 +14,6 @@
 
 #include "quantize_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #endif // __ARM_NEON

diff --git a/src/layer/arm/requantize_arm.cpp b/src/layer/arm/requantize_arm.cpp
@@ -15,8 +15,6 @@
 
 #include "requantize_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #endif // __ARM_NEON

diff --git a/src/layer/arm/rnn_arm.cpp b/src/layer/arm/rnn_arm.cpp
@@ -14,8 +14,6 @@
 
 #include "rnn_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #endif // __ARM_NEON

diff --git a/src/layer/arm/rnn_arm_asimdhp.cpp b/src/layer/arm/rnn_arm_asimdhp.cpp
@@ -14,8 +14,6 @@
 
 #include "rnn_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #endif // __ARM_NEON

diff --git a/src/layer/arm/sigmoid_arm.cpp b/src/layer/arm/sigmoid_arm.cpp
@@ -14,8 +14,6 @@
 
 #include "sigmoid_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #include "neon_mathfun.h"

diff --git a/src/layer/arm/sigmoid_arm_asimdhp.cpp b/src/layer/arm/sigmoid_arm_asimdhp.cpp
@@ -14,8 +14,6 @@
 
 #include "sigmoid_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #include "neon_mathfun.h"

diff --git a/src/layer/arm/softmax_arm.cpp b/src/layer/arm/softmax_arm.cpp
@@ -15,7 +15,6 @@
 #include "softmax_arm.h"
 
 #include <float.h>
-#include <math.h>
 
 #if __ARM_NEON
 #include <arm_neon.h>

diff --git a/src/layer/arm/softmax_arm_asimdhp.cpp b/src/layer/arm/softmax_arm_asimdhp.cpp
@@ -15,7 +15,6 @@
 #include "softmax_arm.h"
 
 #include <float.h>
-#include <math.h>
 
 #if __ARM_NEON
 #include <arm_neon.h>

diff --git a/src/layer/arm/swish_arm.cpp b/src/layer/arm/swish_arm.cpp
@@ -14,8 +14,6 @@
 
 #include "swish_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #include "neon_mathfun.h"

diff --git a/src/layer/arm/swish_arm_asimdhp.cpp b/src/layer/arm/swish_arm_asimdhp.cpp
@@ -14,8 +14,6 @@
 
 #include "swish_arm.h"
 
-#include <math.h>
-
 #if __ARM_NEON
 #include <arm_neon.h>
 #include "neon_mathfun.h"