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							48 lines
						
					
					
						
							958 B
						
					
					
				
			
		
		
		
			
			
			
				
					
				
				
					
				
			
		
		
	
	
							48 lines
						
					
					
						
							958 B
						
					
					
				
								#include <cln/number.h>
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								#include <cln/io.h>
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								#include <cln/float.h>
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								#include <cln/float_io.h>
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								#include <cln/lfloat.h>
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								#include "cl_LF.h"
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								#include <cln/real.h>
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								#include <cln/random.h>
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								#include <cstdlib>
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								#include <cstring>
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								#include <cln/timing.h>
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								using namespace cln;
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								int main (int argc, char * argv[])
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								{
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									int repetitions = 1;
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									if ((argc >= 3) && !strcmp(argv[1],"-r")) {
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										repetitions = atoi(argv[2]);
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										argc -= 2; argv += 2;
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									}
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									if (argc < 2)
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										exit(1);
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									extern int cl_cosh_algo;
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									uintL len = atoi(argv[1]);
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								#if 0
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									cl_LF one = cl_I_to_LF(1,len);
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									cl_F x = scale_float(random_F(one),-1);
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									cout << x << endl;
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								#else
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									cl_F x = sqrt(cl_I_to_LF(2,len))-1;
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								#endif
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									cl_F y;
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									y = exp(x); // fill cache
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								#if 0
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									cl_cosh_algo = 0;
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									{ CL_TIMING;
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									  for (int rep = repetitions; rep > 0; rep--)
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									    { y = cosh(x); }
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									}
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									cout << y << endl;
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									cl_cosh_algo = 1;
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								#endif
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									{ CL_TIMING;
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									  for (int rep = repetitions; rep > 0; rep--)
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									    { y = cosh(x); }
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									}
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									cout << y << endl;
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								}
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