11483 #    define VCATPVFN_NV_TO_FV(nv,fv)                    \  argument
11486                 fv = Perl_isnan(_dv) ? LDBL_QNAN : _dv; \
11489 #    define VCATPVFN_NV_TO_FV(nv,fv) (fv)=(nv)  argument
11494 #  define VCATPVFN_NV_TO_FV(nv,fv) (fv)=(nv)  argument
11882                     const NV nv, const vcatpvfn_long_double_t fv,  argument
11940     negative = fv < 0 || Perl_signbit(nv);
11972         if (fv != 0.0)
13228             vcatpvfn_long_double_t fv;  local
13284                 fv = nv;
13287                     fv = va_arg(*args, long double);
13288                     nv = fv;
13291                     VCATPVFN_NV_TO_FV(nv, fv);
13295                 fv = nv;
13306                 VCATPVFN_NV_TO_FV(nv, fv);
13423                 (void)Perl_frexp((NV)fv, &i);
13425                     Perl_die(aTHX_ "panic: frexp: %" VCATPVFN_FV_GF, fv);
13491                     SNPRINTF_G(fv, ebuf, sizeof(ebuf), precis)
13536                                 nv, fv, has_precis, precis, width,
13605                             ? my_snprintf(PL_efloatbuf, PL_efloatsize, ptr, fv)
13606                             : my_snprintf(PL_efloatbuf, PL_efloatsize, ptr, (double)fv))
13610                     elen = my_snprintf(PL_efloatbuf, PL_efloatsize, ptr, fv)