timer.h
a90405bcb99bpreparemerge

timer.h
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			#pragma once
			//
			#include <sys/time.h>
			extern "C"{
			double myseconds()
			{
			struct timeval tp;
			struct timezone tzp;
			//
			int i = gettimeofday(&tp,&tzp);
			//
			return ( (double) tp.tv_sec + (double) tp.tv_usec * 1.e-6 );
			}
			}

			#ifndef __xlC__
			static inline unsigned long long cycles()
			{
			unsigned long long u;
			__asm__ volatile ("rdtscp;shlq $32,%%rdx;orq %%rdx,%%rax;movq %%rax,%0":"=q"(u)::"%rax", "%rdx", "rcx");
			return u;
			}
			#endif