From a09a1f220c52cde6dd94e8f82457c66f69d46e3d Mon Sep 17 00:00:00 2001 From: patacongo Date: Sat, 10 Nov 2012 16:06:01 +0000 Subject: Trying to recover from deleted directory contents git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5329 42af7a65-404d-4744-a932-0658087f49c3 --- nuttx/lib/math/Kconfig | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 nuttx/lib/math/Kconfig (limited to 'nuttx/lib/math/Kconfig') diff --git a/nuttx/lib/math/Kconfig b/nuttx/lib/math/Kconfig new file mode 100644 index 000000000..c24bfd53f --- /dev/null +++ b/nuttx/lib/math/Kconfig @@ -0,0 +1,26 @@ +# +# For a description of the syntax of this configuration file, +# see misc/tools/kconfig-language.txt. +# + +config LIBM + bool "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//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. -- cgit v1.2.3