OpenCV矩阵乘法断言

Question

我正在

OpenCV Error: Assertion failed (type == B.type() && (type == CV_32FC1 || type == CV_64FC1 || type == CV_32FC2 || type == CV_64FC2)) in gemm, file /build/buildd
/opencv-2.4.9+dfsg/modules/core/src/matmul.cpp, line 711
terminate called after throwing an instance of 'cv::Exception'
  what():  /build/buildd/opencv-2.4.9+dfsg/modules/core/src/matmul.cpp:711: error: (-215) type == B.type() && (type == CV_32FC1 || type == CV_64FC1 || type == 
CV_32FC2 || type == CV_64FC2) in function gemm

我想知道在文档中哪里提到矩阵乘法仅适用于浮点矩阵？我只能找到人们在SO中说这个，但到目前为止，没有什么可以与标准文档相提并论。