github.com/afumu/libc@v0.0.6/musl/src/math/x86_64/atanl.s (about)

     1  .global atanl
     2  .type atanl,@function
     3  atanl:
     4  	fldt 8(%rsp)
     5  	fld1
     6  	fpatan
     7  	ret