18 lines
		
	
	
		
			294 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			18 lines
		
	
	
		
			294 B
		
	
	
	
		
			C
		
	
	
	
	
	
#include <errno.h>
 | 
						|
#include <fenv.h>
 | 
						|
 | 
						|
#include "fpu_cw.h"
 | 
						|
#include "fpu_sw.h"
 | 
						|
 | 
						|
int feholdexcept(fenv_t *envp)
 | 
						|
{
 | 
						|
	/* read FPUCW and FPUSW */
 | 
						|
	envp->cw = fpu_cw_get();
 | 
						|
	envp->sw = fpu_sw_get();
 | 
						|
	
 | 
						|
	/* update FPUCW to block exceptions */
 | 
						|
	fpu_cw_set(envp->cw | FPUCW_EXCEPTION_MASK);
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 |