一下这两个函数的区别是什么哦？
NEW_NUMERIC
NUMERIC_POINTER
NEW_NUMERIC
NUMERIC_POINTER
问一个R与C的问题
I think
1) NEW_* actually allocates new memory; but
2) *_POINTER only returns the memory address that has _already_ been allocated.
Rdefines.h and Rinternals.h have the definitions.
1) NEW_* actually allocates new memory; but
2) *_POINTER only returns the memory address that has _already_ been allocated.
Rdefines.h and Rinternals.h have the definitions.