X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmath%2Fmodfl.c;h=a47b1924f75d1125b712e3ccf5b0f39af27fd8f2;hb=89c5016cbacc8d2ea6c631ce12fae99cee48b62b;hp=f736bba4d95cc017bae7f65078b9f3a8c1ecd9a4;hpb=b9cd1d4d5073eba4c3afbe7666fc2d9c77b42c7c;p=musl diff --git a/src/math/modfl.c b/src/math/modfl.c index f736bba4..a47b1924 100644 --- a/src/math/modfl.c +++ b/src/math/modfl.c @@ -3,14 +3,17 @@ #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024 long double modfl(long double x, long double *iptr) { - return modf(x, (double *)iptr); + double d; + long double r; + + r = modf(x, &d); + *iptr = d; + return r; } #elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384 -#if LDBL_MANT_DIG == 64 -#define TOINT 0x1p63 -#elif LDBL_MANT_DIG == 113 -#define TOINT 0x1p112 -#endif + +static const long double toint = 1/LDBL_EPSILON; + long double modfl(long double x, long double *iptr) { union ldshape u = {x}; @@ -35,7 +38,7 @@ long double modfl(long double x, long double *iptr) /* raises spurious inexact */ absx = s ? -x : x; - y = absx + TOINT - TOINT - absx; + y = absx + toint - toint - absx; if (y == 0) { *iptr = x; return s ? -0.0 : 0.0;