Function fillFloat

test/op/BatchMatMulTest.cpp:18–26

using namespace MNN::Express;

static void fillFloat(float* dst, int h, int w, ConvertFP32 functor, float offset = 0.0f) {
    for (int y = 0; y < h; ++y) {
        auto dstY = dst + w * y;
        for (int x = 0; x < w; ++x) {
            int temp = (x + y) % 31;
            dstY[x] = functor(((float)temp + offset) * 0.01f);
        }
    }
}

static bool checkMatMul(const float* C, const float* A, const float* B, int e, int l, int h, ConvertFP32 functor) {
    bool res = true;