39 lines
		
	
	
	
		
			654 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			39 lines
		
	
	
	
		
			654 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | #include <linux/types.h>
 | ||
|  | #include <linux/errno.h>
 | ||
|  | #include <asm/uaccess.h>
 | ||
|  | 
 | ||
|  | #include "soft-fp.h"
 | ||
|  | #include "double.h"
 | ||
|  | #include "single.h"
 | ||
|  | 
 | ||
|  | int | ||
|  | fsqrts(void *frD, void *frB) | ||
|  | { | ||
|  | 	FP_DECL_D(B); | ||
|  | 	FP_DECL_D(R); | ||
|  | 	int ret = 0; | ||
|  | 
 | ||
|  | #ifdef DEBUG
 | ||
|  | 	printk("%s: %p %p %p %p\n", __FUNCTION__, frD, frB); | ||
|  | #endif
 | ||
|  | 
 | ||
|  | 	__FP_UNPACK_D(B, frB); | ||
|  | 
 | ||
|  | #ifdef DEBUG
 | ||
|  | 	printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); | ||
|  | #endif
 | ||
|  | 
 | ||
|  | 	if (B_s && B_c != FP_CLS_ZERO) | ||
|  | 		ret |= EFLAG_VXSQRT; | ||
|  | 	if (B_c == FP_CLS_NAN) | ||
|  | 		ret |= EFLAG_VXSNAN; | ||
|  | 
 | ||
|  | 	FP_SQRT_D(R, B); | ||
|  | 
 | ||
|  | #ifdef DEBUG
 | ||
|  | 	printk("R: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); | ||
|  | #endif
 | ||
|  | 
 | ||
|  | 	return (ret | __FP_PACK_DS(frD, R)); | ||
|  | } |