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AC_CXX_HAVE_IEEE_MATH
If the compiler has the double math functions acosh, asinh, atanh, cbrt, expm1, erf, erfc, isnan, j0, j1, jn, gamma, lgamma, ilogb, logb, log1p, rint, y0, y1, yn, hypot, nextafter, remainder and scalb, define HAVE_IEEE_MATH.
http://autoconf-archive.cryp.to/ac_cxx_have_ieee_math.m4
Copyright © 2008 Todd Veldhuizen
Copyright © 2008 Luc Maisonobe <luc@spaceroots.org>
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