Subversion Repositories HelenOS

Rev

Rev 230 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 230 Rev 266
Line 32... Line 32...
32 
 
 32 
 
33 
typedef unsigned char fmath_ld_descr_t[8];
 33 
typedef unsigned char fmath_ld_descr_t[8];
34 
 
 34 
 
35 
typedef union { double bf; unsigned char ldd[8]; }  fmath_ld_union_t;
 35 
typedef union { double bf; unsigned char ldd[8]; }  fmath_ld_union_t;
36 
 
 36 
 
37 
int fmath_is_negative(double num);
 - 
 
38 
//int fmath_is_exponent_negative(double num);
 - 
 
39 
 
 - 
 
40 
/**returns exponent in binary encoding*/
 37 
/**returns exponent in binary encoding*/
41 
signed short fmath_get_binary_exponent(double num);
 38 
signed short fmath_get_binary_exponent(double num);
42 
 
 39 
 
43 
/**returns exponent in decimal encoding*/
 40 
/**returns exponent in decimal encoding*/
44 
double fmath_get_decimal_exponent(double num);
 41 
double fmath_get_decimal_exponent(double num);
Line 51... Line 48...
51 
* @param intp integer part of num
 48 
* @param intp integer part of num
52 
* @return non-integer part
 49 
* @return non-integer part
53 
*/
 50 
*/
54 
double fmath_fint(double num, double *intp);
 51 
double fmath_fint(double num, double *intp);
55 
 
 52 
 
56 
/** Return absolute value from num */
 - 
 
57 
double fmath_abs(double num);
 - 
 
58 
 
 - 
 
59 
double fmath_set_sign(double num,__u8 sign);
 - 
 
60 
 
 - 
 
61 
/** count base^exponent from positive exponent
 53 
/** count base^exponent from positive exponent
62 
* @param base
 54 
* @param base
63 
* @param exponent - Must be > 0.0
 55 
* @param exponent - Must be > 0.0
64 
* @return base^exponent or 0.0 (if exponent <=0.0)
 56 
* @return base^exponent or 0.0 (if exponent <=0.0)
65 
*/
 57 
*/
66 
double fmath_dpow(double base, double exponent) ;
 58 
double fmath_dpow(double base, double exponent) ;
67 
 
 59 
 
- 
 
 60 
/** return 1, if num is NaN */
- 
 
 61 
int fmath_is_nan(double num);
- 
 
 62 
 
- 
 
 63 
/** return 1, if fmath is a infinity */
- 
 
 64 
int fmath_is_infinity(double num);