numpy
diff --git a/‎numpy/core/src/umath/simd.inc.src
Lines changed: 4 additions & 2 deletions b/‎numpy/core/src/umath/simd.inc.src
Lines changed: 4 additions & 2 deletions
@@ -1536,6 +1536,7 @@ static NPY_GCC_OPT_3 NPY_GCC_TARGET_@ISA@ void
     @vtype@ log_q5 = _mm@vsize@_set1_ps(NPY_COEFF_Q5_LOGf);
     @vtype@ loge2 = _mm@vsize@_set1_ps(NPY_LOGE2f);
     @vtype@ nan = _mm@vsize@_set1_ps(NPY_NANF);
+    @vtype@ neg_nan = _mm@vsize@_set1_ps(-NPY_NANF);
     @vtype@ neg_inf = _mm@vsize@_set1_ps(-NPY_INFINITYF);
     @vtype@ inf = _mm@vsize@_set1_ps(NPY_INFINITYF);
     @vtype@ zeros_f = _mm@vsize@_set1_ps(0.0f);
@@ -1602,11 +1603,12 @@ static NPY_GCC_OPT_3 NPY_GCC_TARGET_@ISA@ void
         poly = @fmadd@(exponent, loge2, poly);
 
         /*
-         * x < 0.0f; return NAN
+         * x < 0.0f; return -NAN
          * x = +/- NAN; return NAN
          * x = 0.0f; return -INF
          */
-        poly = @isa@_set_masked_lanes(poly, nan, @or_masks@(negx_mask, nan_mask));
+        poly = @isa@_set_masked_lanes(poly, nan, nan_mask);
+        poly = @isa@_set_masked_lanes(poly, neg_nan, negx_mask);
         poly = @isa@_set_masked_lanes(poly, neg_inf, zero_mask);
         poly = @isa@_set_masked_lanes(poly, inf, inf_mask);