?? gettime4.c
字號:
#include <NTL/config.h>#include <time.h>#if (defined(__cplusplus) && !defined(NTL_CXX_ONLY))extern "C" double _ntl_GetTime();#endifdouble _ntl_GetTime(void){ static clock_t last_clock = 0; static double acc = 0; clock_t this_clock; double delta; this_clock = clock(); delta = (this_clock - last_clock)/((double)CLOCKS_PER_SEC); if (delta < 0) delta = 0; acc += delta; last_clock = this_clock; return acc;}
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