Defined in 1 files as a macro:

• lib/msun/src/math.h, line 221 (as a macro)

Defined in 3 files as a function:

• contrib/llvm-project/clang/lib/Headers/__clang_cuda_device_functions.h, line 441 (as a function)
• lib/libc/gen/isnan.c, line 66 (as a function)
• lib/msun/src/s_isnan.c, line 55 (as a function)

Referenced in 3 files:

• contrib/llvm-project/clang/lib/Headers/__clang_cuda_cmath.h, line 80
• lib/libc/gen/isnan.c
  • line 51
  • line 54
• lib/msun/src/s_isnan.c
  • line 52
  • line 73