Welcome to my world: https://github.com/xlladdins/xll https://github.com/xlladdins/xll One benefit of the C API is that it has the FP data type - a two dimensio

Welcome to my world: https://github.com/xlladdins/xll https://github.com/xlladdins/xll One benefit of the C API is that it has the FP data type - a two dimensional array of doubles. All other API's copy data around while this hands you a pointer to the array. Need to call a singular value decomposition routine from a LAPACK Fortran library? No problem: https://github.com/keithalewis/xlllapack/blob/master/syev.cpp https://github.com/keithalewis/xlllapack/blob/master/syev.cp...