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* math: turn off the STRICT_ASSIGN workaround by defaultSzabolcs Nagy2012-11-131-5/+3
| | | | | | | | | the volatile hack in STRICT_ASSIGN is only needed if assignment is not respected and excess precision is kept. gcc -fexcess-precision=standard and -ffloat-store both respect assignment and musl use these flags by default. i kept the macro for now so the workaround may be used for bad compilers in the future.
* complex: add C11 CMPLX macros and replace cpack with themSzabolcs Nagy2012-11-131-18/+5
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* add FORCE_EVAL macro to evaluate float expr for their side effectnsz2012-05-061-0/+13
| | | | | updated nextafter* to use FORCE_EVAL, it can be used in many other places in the math code to improve readability.
* add creal/cimag macros in complex.h (and use them in the functions defs)Rich Felker2012-03-221-8/+0
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* don't inline __rem_pio2l so the code size is smallernsz2012-03-191-0/+1
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* fix loads of missing const in new libm, and some global vars (?!) in powlRich Felker2012-03-181-2/+2
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* fix namespace issues for lgamma, etc.Rich Felker2012-03-161-0/+2
| | | | standard functions cannot depend on nonstandard symbols
* first commit of the new libm!Rich Felker2012-03-131-0/+186
thanks to the hard work of Szabolcs Nagy (nsz), identifying the best (from correctness and license standpoint) implementations from freebsd and openbsd and cleaning them up! musl should now fully support c99 float and long double math functions, and has near-complete complex math support. tgmath should also work (fully on gcc-compatible compilers, and mostly on any c99 compiler). based largely on commit 0376d44a890fea261506f1fc63833e7a686dca19 from nsz's libm git repo, with some additions (dummy versions of a few missing long double complex functions, etc.) by me. various cleanups still need to be made, including re-adding (if they're correct) some asm functions that were dropped.