hi,my self Revanth im using bq40z50 which Supports Two-Wire SMBus v1.1 i want to integrate this with stm32l053r8 in the data sheet it was mentiond as it will support for smbus 2.0 so will it support for smbus v1.1 as well ??? can anyone help me with ...

this is my program#include "STM8AF51x8.h"#include "math.h"void main(){ double x=4,result; result=log(x); I2C_DR=result;}errors:--#error clnk Debug\weblink-1.lkf:1 symbol _log not defined (Debug\main.o ) The command: "clnk -m Debug\weblink-1.map -l"C:...