Macros
Fixed-Point Integer macros. More...
Macros |
|
#define | FPI_ONE (( gos_fpi_word_t )(1ULL*FPI_PERCISION)) |
Constant for 1.0.
|
|
#define | FPI_ONE_HALF ( FPI_ONE >> 1) |
Constant for 0.5.
|
|
#define | FPI_TWO ( FPI_ONE + FPI_ONE ) |
Constant for 2.0.
|
|
#define | FPI_PI fpi_rconst (3.1415926535) |
Constant for PI.
|
|
#define | FPI_E fpi_rconst (2.7182818280) |
Constant for e.
|
|
#define | fpi_rconst (R) ((( gos_fpi_word_t )((float)R * (float) FPI_ONE ))) |
Create constant for number.
|
|
#define | fpi_toint (F) (( gos_fpi_word_t )(F) / FPI_PERCISION) |
Convert FPI type to integer type.
|
|
#define | fpi_fromint (I) (( gos_fpi_word_t )(I) * FPI_PERCISION) |
Convert integer type to FPI type.
|
|
#define | fpi_add (A, B) ((A) + (B)) |
Add two fpi types.
|
|
#define | fpi_sub (A, B) ((A) - (B)) |
Subtract two fpi types.
|
|
#define | fpi_fracpart (A) (( gos_fpi_word_t )(A) % FPI_PERCISION) |
Get the fractional part of an fpi.
|
|
#define | fpi_abs (A) ((A) < 0 ? -(A) : (A)) |
Get the absolute value of an fpi.
|
|
#define | fpi_mul (x, y, res) gos_fpi_multiply (&(x), &(y), &res) |
Multiple two fpi types.
|
|
#define | fpi_div (x, y, res) gos_fpi_divide (&(x), &(y), &res) |
Divide two fpi types.
|
|
#define | fpi_to_str (buffer, x) gos_fpi_to_str_with_padding (buffer, x, FPI_DEFAULT_MAX_DECIMALS, 1) |
Convert fpi to string.
|
|
#define | fpi_int_to_str (buffer, integer, divisor, max_decimals) |
Divide integer and return fpi string representation.
|
|
#define | fpi_int_to_str2 (buffer, integer) |
Return integer as fpi string representation.
|
|
Detailed Description
Fixed-Point Integer macros.