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Commitabe41f4

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Assume that we have cbrt().
Windows has this, and so do all other live platforms according to thebuildfarm, so remove the configure probe and float.c's substitute code.This is part of a series of commits to get rid of no-longer-relevantconfigure checks and dead src/port/ code. I'm committing them separatelyto make it easier to back out individual changes if they prove lessportable than I expect.Discussion:https://postgr.es/m/15379.1582221614@sss.pgh.pa.us
1 parent7fde892 commitabe41f4

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5 files changed

+1
-44
lines changed

5 files changed

+1
-44
lines changed

‎configure

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -14925,7 +14925,7 @@ fi
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LIBS_including_readline="$LIBS"
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LIBS=`echo "$LIBS" | sed -e 's/-ledit//g' -e 's/-lreadline//g'`
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14928-
for ac_func in backtrace_symbolscbrtclock_gettime copyfile fdatasync getifaddrs getpeerucred getrlimit kqueue mbstowcs_l memset_s memmove poll posix_fallocate ppoll pstat pthread_is_threaded_np readlink setproctitle setproctitle_fast setsid shm_open strchrnul strsignal symlink sync_file_range uselocale utime utimes wcstombs_l
14928+
for ac_func in backtrace_symbols clock_gettime copyfile fdatasync getifaddrs getpeerucred getrlimit kqueue mbstowcs_l memset_s memmove poll posix_fallocate ppoll pstat pthread_is_threaded_np readlink setproctitle setproctitle_fast setsid shm_open strchrnul strsignal symlink sync_file_range uselocale utime utimes wcstombs_l
1492914929
do :
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as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
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ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"

‎configure.in

Lines changed: 0 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1618,7 +1618,6 @@ LIBS=`echo "$LIBS" | sed -e 's/-ledit//g' -e 's/-lreadline//g'`
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16191619
AC_CHECK_FUNCS(m4_normalize([
16201620
backtrace_symbols
1621-
cbrt
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clock_gettime
16231622
copyfile
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fdatasync

‎src/backend/utils/adt/float.c

Lines changed: 0 additions & 38 deletions
Original file line numberDiff line numberDiff line change
@@ -72,19 +72,6 @@ static double sind_q1(double x);
7272
staticdoublecosd_q1(doublex);
7373
staticvoidinit_degree_constants(void);
7474

75-
#ifndefHAVE_CBRT
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/*
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* Some machines (in particular, some versions of AIX) have an extern
78-
* declaration for cbrt() in <math.h> but fail to provide the actual
79-
* function, which causes configure to not set HAVE_CBRT. Furthermore,
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* their compilers spit up at the mismatch between extern declaration
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* and static definition. We work around that here by the expedient
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* of a #define to make the actual name of the static function different.
83-
*/
84-
#definecbrt my_cbrt
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staticdoublecbrt(doublex);
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#endif/* HAVE_CBRT */
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8875

8976
/*
9077
* We use these out-of-line ereport() calls to report float overflow,
@@ -3964,28 +3951,3 @@ width_bucket_float8(PG_FUNCTION_ARGS)
39643951

39653952
PG_RETURN_INT32(result);
39663953
}
3967-
3968-
/* ========== PRIVATE ROUTINES ========== */
3969-
3970-
#ifndefHAVE_CBRT
3971-
3972-
staticdouble
3973-
cbrt(doublex)
3974-
{
3975-
intisneg= (x<0.0);
3976-
doubleabsx=fabs(x);
3977-
doubletmpres=pow(absx, (double)1.0 / (double)3.0);
3978-
3979-
/*
3980-
* The result is somewhat inaccurate --- not really pow()'s fault, as the
3981-
* exponent it's handed contains roundoff error. We can improve the
3982-
* accuracy by doing one iteration of Newton's formula. Beware of zero
3983-
* input however.
3984-
*/
3985-
if (tmpres>0.0)
3986-
tmpres-= (tmpres-absx / (tmpres*tmpres)) / (double)3.0;
3987-
3988-
returnisneg ?-tmpres :tmpres;
3989-
}
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#endif/* !HAVE_CBRT */

‎src/include/pg_config.h.in

Lines changed: 0 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -101,9 +101,6 @@
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/* Define to 1 if you have the `BIO_meth_new' function. */
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#undef HAVE_BIO_METH_NEW
103103

104-
/* Define to 1 if you have the `cbrt' function. */
105-
#undef HAVE_CBRT
106-
107104
/* Define to 1 if you have the `clock_gettime' function. */
108105
#undef HAVE_CLOCK_GETTIME
109106

‎src/tools/msvc/Solution.pm

Lines changed: 0 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -210,7 +210,6 @@ sub GenerateFiles
210210
HAVE_BACKTRACE_SYMBOLS=>undef,
211211
HAVE_BIO_GET_DATA=>undef,
212212
HAVE_BIO_METH_NEW=>undef,
213-
HAVE_CBRT=>undef,
214213
HAVE_CLOCK_GETTIME=>undef,
215214
HAVE_COMPUTED_GOTO=>undef,
216215
HAVE_COPYFILE=>undef,

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