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authorLorenz Meier <lm@inf.ethz.ch>2013-06-01 01:04:32 +0200
committerLorenz Meier <lm@inf.ethz.ch>2013-06-01 01:04:32 +0200
commit5375bb5b86e266157ceceef08c367da711b8144e (patch)
tree88bc81cab11d8f0b2b6f9391f803051c081b2ecb /nuttx/libc/math/Kconfig
parent27ee36b2049167a1272122548fe61aa2993d79c1 (diff)
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Cleanup, WIP, needs a NuttX checkout to Firmware/NuttX now
Diffstat (limited to 'nuttx/libc/math/Kconfig')
-rw-r--r--nuttx/libc/math/Kconfig26
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diff --git a/nuttx/libc/math/Kconfig b/nuttx/libc/math/Kconfig
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-#
-# For a description of the syntax of this configuration file,
-# see misc/tools/kconfig-language.txt.
-#
-
-config LIBM
- bool "Standard Math library"
- default n
- depends on !ARCH_MATH_H
- ---help---
- By default, no math library will be provided by NuttX. In this this case, it
- is assumed that (1) no math library is required, or (2) you will be using the
- math.h header file and the libm library provided by your toolchain.
-
- This is may be a very good choice is possible because your toolchain may have
- have a highly optimized version of libm.
-
- Another possibility is that you have a custom, architecture-specific math
- libary and that the corresponding math.h file resides at arch/<architecture>/include/math.h.
- The option is selected via ARCH_MATH_H. If ARCH_MATH_H is selected,then the include/nuttx/math.h
- header file will be copied to include/math.h where it can be used by your applications.
-
- If ARCH_MATH_H is not defined, then this option can be selected to build a generic,
- math library built into NuttX. This math library comes from the Rhombus OS and
- was written by Nick Johnson. The Rhombus OS math library port was contributed by
- Darcy Gong.