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Use strtof like float4in to avoid a double-rounding problem

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Andrew Kane
2022-12-01 14:41:09 -08:00
parent a7f712b5a4
commit cc35af160e
1 changed files with 3 additions and 2 deletions
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5
src/vector.c
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@@ -113,7 +113,7 @@ vector_in(PG_FUNCTION_ARGS)
char *str = PG_GETARG_CSTRING(0);
int32 typmod = PG_GETARG_INT32(2);
int i;
double x[VECTOR_MAX_DIM];
float x[VECTOR_MAX_DIM];
int dim = 0;
char *pt;
char *stringEnd;
@@ -136,7 +136,8 @@ vector_in(PG_FUNCTION_ARGS)
(errcode(ERRCODE_PROGRAM_LIMIT_EXCEEDED),
errmsg("vector cannot have more than %d dimensions", VECTOR_MAX_DIM)));
x[dim] = strtod(pt, &stringEnd);
/* Use strtof like float4in to avoid a double-rounding problem */
x[dim] = strtof(pt, &stringEnd);
CheckElement(x[dim]);
dim++;