* complete abs, fmod and sin function in simplemath.h

* remove some unused variables in simplemath.cpp

* modify test-coverage.yml and add some functions to simplemath.cpp

* modify erf.cpp which included math.h

* include platform.h for NCNN_SIMPLEMATH definition

* move utility constants and functions in simplemath.h to simplemath.cpp

* guard simplemath functions with extern "C"

* add NCNN_EXPORT macro in simplemath.h

* include plateform.h and guard all declarations with NCNN_SIMPLEMATH

* clean unused code in test_unaryop.cpp

* guard #include <vector> with NCNN_SIMPLEMATH in benchncnn.cpp

* add 'static' to guard functions that not declarated in header file

* modify sin and cos with better implementation

---------

Co-authored-by: HonestDeng <HonestDeng@users.noreply.github.com>

* pnnx support grid_sample op

* complete the permute and gridsample operator fusion

* spilt calculation into two stages and support permute fusion

* added erf implementation

* added testcase for erf

* added onnx2ncnn support of erf

* enable VK_KHR_cooperative_matrix
* add khr cm shader
* update glslang
* print matrix info

* update riscv qemu

* c906 test on qemu

* fix qemu aarch64

* simplify binaryop

* less gpu test

* update binaryop broadcast doc

* do not test atan2 zero

* fix overwrite builtin layer destruction

* make modelbin class copyable

* test++

* workaround moltenvk error on spec const composite op

* workaround moltenvk crying on binding image with memory offset

* early return for cpu test

* make nvidia driver happy

* fix gemm x86 threading

* update f43 coeffs

* arm convolution winograd unified elempack

* disable bf16s test atm

* test gnu inline asm off

* update winograd f43 coeffs

* rvv tanh rework

* fix warnings

* rebuild qemu

Co-authored-by: EdVince <EdVince@users.noreply.github.com>

* mha is now permute and reshape free
* gemm user defined tile mnk param

* gemm x86 multiply alpha beta in post gemm stage, enable one_blob_only
* relax mnk multiple restrictions
* make square tiles in each thread
* sanitize num_threads changes

* add some c_api interfaces related to allocator setup.

* fix errors in allocator parameters in c_api.

* test c api allocator

Co-authored-by: zhangtongshe <yuyuyezi@vip.qq.com>