Check if it is a double variable.
int isDoubleType(void* _pvCtx, int* _piAddress)
int isNamedDoubleType(void* _pvCtx, const char* _pstName)
Scilab environment pointer, pass in "pvApiCtx" provided by api_scilab.h.
Position in the Scilab memory where you want to put the variable.
Name of the variable for "named" functions.
1 if variable is a double type, otherwise 0