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This is a patch to make cube output work like double precision output

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with regard to the extra_float_digits setting.

Since builtins.h was already included, I just deleted the extern
statement (and accompaning comments).

 Bruno Wolff III
This commit is contained in:
Bruce Momjian 2002-11-23 03:50:21 +00:00
parent 349d529abf
commit 4987ca2d88
2 changed files with 27 additions and 20 deletions
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11
contrib/cube/cube.c
View File

@ -121,9 +121,16 @@ cube_out(NDBOX * cube)
bool equal = true; bool equal = true;
int dim = cube->dim; int dim = cube->dim;
int i; int i;
int ndig;
initStringInfo(&buf); initStringInfo(&buf);
/*
* Get the number of digits to display.
*/
ndig = DBL_DIG + extra_float_digits;
if (ndig < 1) ndig = 1;
/* /*
* while printing the first (LL) corner, check if it is equal to the * while printing the first (LL) corner, check if it is equal to the
* second one * second one
@ -133,7 +140,7 @@ cube_out(NDBOX * cube)
{ {
if (i > 0) if (i > 0)
appendStringInfo(&buf, ", "); appendStringInfo(&buf, ", ");
appendStringInfo(&buf, "%.16g", cube->x[i]); appendStringInfo(&buf, "%.*g", ndig, cube->x[i]);
if (cube->x[i] != cube->x[i + dim]) if (cube->x[i] != cube->x[i + dim])
equal = false; equal = false;
} }
@ -146,7 +153,7 @@ cube_out(NDBOX * cube)
{ {
if (i > 0) if (i > 0)
appendStringInfo(&buf, ", "); appendStringInfo(&buf, ", ");
appendStringInfo(&buf, "%.16g", cube->x[i + dim]); appendStringInfo(&buf, "%.*g", ndig, cube->x[i + dim]);
} }
appendStringInfoChar(&buf, ')'); appendStringInfoChar(&buf, ')');
} }

24
contrib/cube/expected/cube.out
View File

@ -146,38 +146,38 @@ SELECT '-1e-700'::cube AS cube;
SELECT '1234567890123456'::cube AS cube; SELECT '1234567890123456'::cube AS cube;
cube cube
-------------------- ------------------------
(1234567890123456) (1.23456789012346e+15)
(1 row) (1 row)
SELECT '+1234567890123456'::cube AS cube; SELECT '+1234567890123456'::cube AS cube;
cube cube
-------------------- ------------------------
(1234567890123456) (1.23456789012346e+15)
(1 row) (1 row)
SELECT '-1234567890123456'::cube AS cube; SELECT '-1234567890123456'::cube AS cube;
cube cube
--------------------- -------------------------
(-1234567890123456) (-1.23456789012346e+15)
(1 row) (1 row)
SELECT '.1234567890123456'::cube AS cube; SELECT '.1234567890123456'::cube AS cube;
cube cube
---------------------- ---------------------
(0.1234567890123456) (0.123456789012346)
(1 row) (1 row)
SELECT '+.1234567890123456'::cube AS cube; SELECT '+.1234567890123456'::cube AS cube;
cube cube
---------------------- ---------------------
(0.1234567890123456) (0.123456789012346)
(1 row) (1 row)
SELECT '-.1234567890123456'::cube AS cube; SELECT '-.1234567890123456'::cube AS cube;
cube cube
----------------------- ----------------------
(-0.1234567890123456) (-0.123456789012346)
(1 row) (1 row)
-- simple lists (points) -- simple lists (points)