math: remove a useless assignment in lgammal found by clang analyzer

the issue was reported by Alexander Monakov

diff --git a/src/math/lgammal.c b/src/math/lgammal.c
index cc4895ebb8a3b94e1cd5fe12ea2c625af9fcc5a8..58054e56512ee35530fba58cc867aeb1a180fc79 100644 (file)
--- a/src/math/lgammal.c
+++ b/src/math/lgammal.c
@@ -341,12 +341,12 @@ long double __lgammal_r(long double x, int *sg) {
        } else if (ix < 0x40028000) {  /* 8.0 */
                /* x < 8.0 */
                i = (int)x;
-               t = 0.0;
                y = x - (double)i;
                p = y * (s0 + y * (s1 + y * (s2 + y * (s3 + y * (s4 + y * (s5 + y * s6))))));
                q = r0 + y * (r1 + y * (r2 + y * (r3 + y * (r4 + y * (r5 + y * (r6 + y))))));
                r = 0.5 * y + p / q;
-               z = 1.0;/* lgamma(1+s) = log(s) + lgamma(s) */
+               z = 1.0;
+               /* lgamma(1+s) = log(s) + lgamma(s) */
                switch (i) {
                case 7:
                        z *= (y + 6.0); /* FALLTHRU */