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 e347eaa885afb1233bbf6c3985e6b4fb73227681..25bdb863fbe0eb820a72575c79870df21f62cf81 100644 (file)
--- a/src/backend/utils/adt/numeric.c
+++ b/src/backend/utils/adt/numeric.c
@@ -8601,7 +8601,7 @@ power_var_int(const 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.