delete mode 100644 lib/libc/mingw/math/modff.c
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 delete mode 100644 lib/libc/musl/src/math/i386/asin.s
 delete mode 100644 lib/libc/musl/src/math/modf.c
 delete mode 100644 lib/libc/musl/src/math/modff.c
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 delete mode 100644 lib/libc/musl/src/math/tanhf.c