在使用matlab调​用cpp文件时，出现​错误使用mex，且出​现“mxGetPr_​800”: 找不到标识符，请问怎么解决

错误使用 mex

diamondSquareGenerator.cpp

D:\diamondSquare-master\matlabCompile\diamondSquareGenerator.cpp(35): error C3861:

“mxGetPr_800”: 找不到标识符

D:\diamondSquare-master\matlabCompile\diamondSquareGenerator.cpp(39): warning C4018: “>”: 有符

号/无符号不匹配

D:\diamondSquare-master\matlabCompile\diamondSquareGenerator.cpp(42): warning C4018: “>”: 有符

号/无符号不匹配

D:\diamondSquare-master\matlabCompile\diamondSquareGenerator.cpp(43): warning C4018: “>”: 有符

号/无符号不匹配

D:\diamondSquare-master\matlabCompile\diamondSquareGenerator.cpp(44): warning C4018: “>”: 有符

号/无符号不匹配

D:\diamondSquare-master\matlabCompile\diamondSquareGenerator.cpp(45): warning C4018: “>”: 有符

号/无符号不匹配

D:\diamondSquare-master\matlabCompile\diamondSquareGenerator.cpp(47): warning C4018: “>”: 有符

号/无符号不匹配

D:\diamondSquare-master\matlabCompile\diamondSquareGenerator.cpp(48): warning C4018: “>”: 有符

号/无符号不匹配

D:\diamondSquare-master\matlabCompile\diamondSquareGenerator.cpp(49): warning C4018: “>”: 有符

号/无符号不匹配

D:\diamondSquare-master\matlabCompile\diamondSquareGenerator.cpp(50): warning C4018: “>”: 有符

号/无符号不匹配

D:\diamondSquare-master\matlabCompile\diamondSquareGenerator.cpp(51): warning C4018: “>”: 有符

号/无符号不匹配

D:\diamondSquare-master\matlabCompile\diamondSquareGenerator.cpp(52): warning C4018: “>”: 有符

号/无符号不匹配

D:\diamondSquare-master\matlabCompile\diamondSquareGenerator.cpp(75): warning C4244: “初始化”:

从“double”转换到“int”，可能丢失数据