diff options
Diffstat (limited to 'firmware/os/algos/common/math/macros.h')
| -rw-r--r-- | firmware/os/algos/common/math/macros.h | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/firmware/os/algos/common/math/macros.h b/firmware/os/algos/common/math/macros.h index cb75595b..060dc0f4 100644 --- a/firmware/os/algos/common/math/macros.h +++ b/firmware/os/algos/common/math/macros.h @@ -31,25 +31,29 @@ #define NANO_MIN(a, b) ((a) < (b)) ? (a) : (b) #define SIGMOID(x) (1 / (1 + expf(-x))) +// Floor macro implementation for platforms that do not supply the standard +// floorf() math function. +#define NANO_FLOOR(x) ((int)(x) - ((x) < (int)(x))) // NOLINT + // Timestamp conversion macros. #ifdef __cplusplus -#define MSEC_TO_NANOS(x) (static_cast<uint64_t>(x * UINT64_C(1000000))) +#define MSEC_TO_NANOS(x) (static_cast<uint64_t>((x) * UINT64_C(1000000))) #else -#define MSEC_TO_NANOS(x) ((uint64_t)(x * UINT64_C(1000000))) // NOLINT +#define MSEC_TO_NANOS(x) ((uint64_t)((x) * UINT64_C(1000000))) // NOLINT #endif -#define SEC_TO_NANOS(x) MSEC_TO_NANOS(x * UINT64_C(1000)) -#define MIN_TO_NANOS(x) SEC_TO_NANOS (x * UINT64_C(60)) -#define HRS_TO_NANOS(x) MIN_TO_NANOS (x * UINT64_C(60)) -#define DAYS_TO_NANOS(x) HRS_TO_NANOS (x * UINT64_C(24)) +#define SEC_TO_NANOS(x) MSEC_TO_NANOS((x) * UINT64_C(1000)) +#define MIN_TO_NANOS(x) SEC_TO_NANOS ((x) * UINT64_C(60)) +#define HRS_TO_NANOS(x) MIN_TO_NANOS ((x) * UINT64_C(60)) +#define DAYS_TO_NANOS(x) HRS_TO_NANOS ((x) * UINT64_C(24)) // Sample rate to period conversion. #ifdef __cplusplus #define HZ_TO_PERIOD_NANOS(hz) \ - (SEC_TO_NANOS(1024) / (static_cast<uint64_t>(hz * 1024))) + (SEC_TO_NANOS(1024) / (static_cast<uint64_t>((hz) * 1024))) #else #define HZ_TO_PERIOD_NANOS(hz) \ - (SEC_TO_NANOS(1024) / ((uint64_t)(hz * 1024))) // NOLINT + (SEC_TO_NANOS(1024) / ((uint64_t)((hz) * 1024))) // NOLINT #endif // Unit conversion: nanoseconds to seconds. |