Defined in 2 files as a prototype:

• contrib/gcc/sys-protos.h, line 111 (as a prototype)
• lib/msun/src/math.h, line 344 (as a prototype)

Defined in 1 files as a macro:

• gnu/lib/libstdc++/config.h, line 813 (as a macro)

Defined in 3 files as a function:

• contrib/libstdc++/libmath/stubs.c, line 90 (as a function)
• contrib/llvm/tools/clang/lib/Headers/__clang_cuda_device_functions.h, line 1483 (as a function)
• lib/msun/src/s_atanf.c, line 49 (as a function)

Referenced in 7 files:

• contrib/libc++/include/math.h, line 799
• contrib/llvm/tools/clang/lib/Headers/__clang_cuda_cmath.h
  • line 55
  • line 410
• contrib/llvm/tools/clang/lib/Headers/tgmath.h, line 134
• contrib/netbsd-tests/lib/libm/t_atan.c
  • line 62
  • line 74
  • line 82
  • line 89
• lib/msun/src/catrigf.c, line 354
• lib/msun/src/e_atan2f.c
  • line 45
  • line 88
• lib/msun/tests/invtrig_test.c, line 414