Lifitime tracer. *** *** *** *** *** *** *** *** ***** Example: #include <timings.h> void foo() { TRACE_LIFETIME usleep(100000) } void main() { foo() } *** *** *** *** *** *** *** *** *** See lifetimes.log: FUNC

matlab的快速傅立叶变换（FFT）的C++实现代码。-the C++ code which implents fft according to matlab

resistance curves for orc vpp