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avr_math(3avr) avr-libc avr_math(3avr)

NAME

avr_math - <math.h>: Mathematics

SYNOPSIS

Macros


#define M_E 2.7182818284590452354

Detailed Description

#include <math.h> 

This header file declares basic mathematics constants and functions.

Notes:

  • In order to access the functions declared herein, it is usually also required to additionally link against the library libm.a. See also the related FAQ entry.
  • Math functions do not raise exceptions and do not change the errno variable. Therefore the majority of them are declared with const attribute, for better optimization by GCC.

Macro Definition Documentation

#define M_E 2.7182818284590452354

The constant e.

Author

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Fri Jan 1 2021 Version 2.0.0