diff options
Diffstat (limited to 'include/common.h')
| -rw-r--r-- | include/common.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/common.h b/include/common.h index 0bdea8965d..f35d543ce8 100644 --- a/include/common.h +++ b/include/common.h @@ -84,6 +84,12 @@ #define CELSIUS_TO_DECI_KELVIN(temp_c) ((temp_c) * 10 + 2731) #define DECI_KELVIN_TO_CELSIUS(temp_dk) ((temp_dk - 2731) / 10) +/* Calculate a value with error margin considered. For example, + * TARGET_WITH_MARGIN(X, 5) returns X' where X' * 100.5% is almost equal to + * but does not exceed X. */ +#define TARGET_WITH_MARGIN(target, tenths_percent) \ + (((target) * 1000) / (1000 + (tenths_percent))) + /* Include top-level configuration file */ #include "config.h" |