19 lines
		
	
	
		
			436 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			19 lines
		
	
	
		
			436 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #include "tommath_private.h"
 | |
| #ifdef BN_MP_GET_DOUBLE_C
 | |
| /* LibTomMath, multiple-precision integer library -- Tom St Denis */
 | |
| /* SPDX-License-Identifier: Unlicense */
 | |
| 
 | |
| double mp_get_double(const mp_int *a)
 | |
| {
 | |
|    int i;
 | |
|    double d = 0.0, fac = 1.0;
 | |
|    for (i = 0; i < MP_DIGIT_BIT; ++i) {
 | |
|       fac *= 2.0;
 | |
|    }
 | |
|    for (i = a->used; i --> 0;) {
 | |
|       d = (d * fac) + (double)a->dp[i];
 | |
|    }
 | |
|    return (a->sign == MP_NEG) ? -d : d;
 | |
| }
 | |
| #endif
 | 
