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On Mon, Jun 12, 2000 at 07:22:30AM -0700, H . J . Lu wrote: > On Mon, Jun 12, 2000 at 09:16:13AM +0200, Jakub Jelinek wrote: > > On Sun, Jun 11, 2000 at 10:07:21PM -0700, H . J . Lu wrote: > > > __exm1 and __expl are used in sysdeps/i386/fpu/bits/mathinline.h. > > > But they are not exported. > > > > Can you cvs update? > > I hope this is already fixed: > > > > 2000-06-04 Jakub Jelinek <jakub@redhat.com> > > > > * sysdeps/i386/fpu/bits/mathinline.h: Only inline sinh, cosh and tanh > > if -ffast-math. > > > > Yes. Then I did > > # grep __exm1 sysdeps/i386/fpu/bits/mathinline.h > register long double __exm1 = __expm1l (__fabsl (__x)); \ > return 0.5 * (__exm1 / (__exm1 + 1.0) + __exm1) * __sgn1l (__x)) > register long double __exm1 = __expm1l (-__fabsl (__x + __x)); \ > return __exm1 / (__exm1 + 2.0) * __sgn1l (-__x)) > register long double __exm1 = __expm1l (__fabsl (__x)); \ > return 0.5 * (__exm1 / (__exm1 + 1.0)) * __exm1) > # grep __expl sysdeps/i386/fpu/bits/mathinline.h > __inline_mathcodeNP_ (long double, __expl, __x, __exp_code) > register long double __ex = __expl (__x); \ > > I don't see how -ffast-math will do anything. If they are in the > public header files, they are exposed. I can compile my code with > -ffast-math. You're right in that they probably should be exported, because gcc may fail to inline them and as they are extern inline, that will cause undefined references. -ffast-math matters, because __expm1 and __expl are only defined if __FAST_MATH__ is defined, but were used always if __OPTIMIZE__. Jakub
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