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9d33388b29
round and fmin/fmax are relatively commonly used functions but were not implemented anywhere in the tcc Windows distribution package. Newer mingw(64) math.h stil doesn't include these implementations. Add C implementations for these functions and place it as inline functions at win32/include/tcc/tcc_libm.h - which is already included from math.h . The code is mostly taken from musl-libc rs-1.0 (MIT) [*], musl-libc: http://git.musl-libc.org/cgit/musl/tree/src/math?h=rs-1.0 license: http://git.musl-libc.org/cgit/musl/tree/COPYRIGHT?h=rs-1.0 Potential enhancements: - Check how many useful libm implementations are still missing and consider adding them (some of them already work via the MS runtime). - Consider putting libm implementations in an actual libm.a file, or add a dummy one such that build processes which try to link with libm will not fail.