_GL_MATH_CXX_REAL_FLOATING_DECL_1 2429 maint/gnulib/lib/math.in.h _GL_MATH_CXX_REAL_FLOATING_DECL_1 (isfinite)
_GL_MATH_CXX_REAL_FLOATING_DECL_1 2463 maint/gnulib/lib/math.in.h _GL_MATH_CXX_REAL_FLOATING_DECL_1 (isinf)
_GL_MATH_CXX_REAL_FLOATING_DECL_1 2590 maint/gnulib/lib/math.in.h _GL_MATH_CXX_REAL_FLOATING_DECL_1 (isnan)
_GL_MATH_CXX_REAL_FLOATING_DECL_1 2673 maint/gnulib/lib/math.in.h _GL_MATH_CXX_REAL_FLOATING_DECL_1 (signbit)