Add an explicit cast to double when using fabs().

Commit bc43b7c2c0 used fabs() directly on an int variable, which
apparently requires an explicit cast on some platforms.

Per buildfarm.

diff --git a/src/backend/utils/adt/numeric.c b/src/backend/utils/adt/numeric.c
index f50da658a634fe7c7b3585e107cf1328a6c8f592..da639be40bfebb47567b6e3c2174699a65c5f319 100644 (file)
--- a/src/backend/utils/adt/numeric.c
+++ b/src/backend/utils/adt/numeric.c
@@ -8182,7 +8182,7 @@ power_var_int(NumericVar *base, int exp, NumericVar *result, int rscale)
         * to around log10(abs(exp)) digits, so work with this many extra digits
         * of precision (plus a few more for good measure).
         */
-       sig_digits += (int) log(fabs(exp)) + 8;
+       sig_digits += (int) log(fabs((double) exp)) + 8;
 
        /*
         * Now we can proceed with the multiplications.