emRun — The C runtime library for embedded applications

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emRun — The C runtime library for embedded applications
emRun is a complete C runtime library specifically designed and optimized for GCC/LLVM-based toolchains and embedded systems.

emRun is the replacement from SEGGER for newlib, newlib-nano, and glibc used in most GCC toolchains. These libraries have significant disadvantages over professional runtime libraries for embedded systems. emRun converts any GCC-based toolchain into a professional development choice.

In many cases, the ROM-savings of emRun enable the use of a smaller microcontroller with less on-chip memory. This can result in significant cost savings, especially for devices built in large quantities for the mass market.

Segger官方介绍：emRun Wiki

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emFloat — Optimized floating-point library

A key component of emRun is emFloat, a highly optimized, IEEE 754 compliant, floating-point library designed from the ground up for embedded systems. Very fast and very small, it delivers FPU-like performance in pure software. Even where an FPU is available, emFloat boosts the FPU’s performance for complex mathematical functions.