diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/utils/adt/float.c | 38 | ||||
| -rw-r--r-- | src/include/pg_config.h.in | 3 | ||||
| -rw-r--r-- | src/tools/msvc/Solution.pm | 1 |
3 files changed, 0 insertions, 42 deletions
diff --git a/src/backend/utils/adt/float.c b/src/backend/utils/adt/float.c index 012c3252f3c..34af0eb22b5 100644 --- a/src/backend/utils/adt/float.c +++ b/src/backend/utils/adt/float.c @@ -72,19 +72,6 @@ static double sind_q1(double x); static double cosd_q1(double x); static void init_degree_constants(void); -#ifndef HAVE_CBRT -/* - * Some machines (in particular, some versions of AIX) have an extern - * declaration for cbrt() in <math.h> but fail to provide the actual - * function, which causes configure to not set HAVE_CBRT. Furthermore, - * their compilers spit up at the mismatch between extern declaration - * and static definition. We work around that here by the expedient - * of a #define to make the actual name of the static function different. - */ -#define cbrt my_cbrt -static double cbrt(double x); -#endif /* HAVE_CBRT */ - /* * We use these out-of-line ereport() calls to report float overflow, @@ -3964,28 +3951,3 @@ width_bucket_float8(PG_FUNCTION_ARGS) PG_RETURN_INT32(result); } - -/* ========== PRIVATE ROUTINES ========== */ - -#ifndef HAVE_CBRT - -static double -cbrt(double x) -{ - int isneg = (x < 0.0); - double absx = fabs(x); - double tmpres = pow(absx, (double) 1.0 / (double) 3.0); - - /* - * The result is somewhat inaccurate --- not really pow()'s fault, as the - * exponent it's handed contains roundoff error. We can improve the - * accuracy by doing one iteration of Newton's formula. Beware of zero - * input however. - */ - if (tmpres > 0.0) - tmpres -= (tmpres - absx / (tmpres * tmpres)) / (double) 3.0; - - return isneg ? -tmpres : tmpres; -} - -#endif /* !HAVE_CBRT */ diff --git a/src/include/pg_config.h.in b/src/include/pg_config.h.in index 002e0400083..9de9ae6631e 100644 --- a/src/include/pg_config.h.in +++ b/src/include/pg_config.h.in @@ -101,9 +101,6 @@ /* Define to 1 if you have the `BIO_meth_new' function. */ #undef HAVE_BIO_METH_NEW -/* Define to 1 if you have the `cbrt' function. */ -#undef HAVE_CBRT - /* Define to 1 if you have the `clock_gettime' function. */ #undef HAVE_CLOCK_GETTIME diff --git a/src/tools/msvc/Solution.pm b/src/tools/msvc/Solution.pm index 8a703385ea2..81b0bf21282 100644 --- a/src/tools/msvc/Solution.pm +++ b/src/tools/msvc/Solution.pm @@ -210,7 +210,6 @@ sub GenerateFiles HAVE_BACKTRACE_SYMBOLS => undef, HAVE_BIO_GET_DATA => undef, HAVE_BIO_METH_NEW => undef, - HAVE_CBRT => undef, HAVE_CLOCK_GETTIME => undef, HAVE_COMPUTED_GOTO => undef, HAVE_COPYFILE => undef, |