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avr-libc
2.1.0
Standard C library for AVR-GCC
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| #define | M_E 2.7182818284590452354 |
This header file declares basic mathematics constants and functions.
libm.a. See also the related FAQ entry.errno variable. Therefore the majority of them are declared with const attribute, for better optimization by GCC. | #define M_E 2.7182818284590452354 |
The constant e.
1.9.4