[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/math/w_lgammal.c b/ap/libc/glibc/glibc-2.22/math/w_lgammal.c
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+++ b/ap/libc/glibc/glibc-2.22/math/w_lgammal.c
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+/* w_lgammal.c -- long double version of w_lgamma.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+/* long double lgammal(long double x)
+ * Return the logarithm of the Gamma function of x.
+ *
+ * Method: call __ieee754_lgammal_r
+ */
+
+#include <math.h>
+#include <math_private.h>
+
+long double
+__lgammal(long double x)
+{
+	int local_signgam = 0;
+	long double y = __ieee754_lgammal_r(x,
+					    _LIB_VERSION != _ISOC_
+					    /* ISO C99 does not define the
+					       global variable.  */
+					    ? &signgam
+					    : &local_signgam);
+	if(__builtin_expect(!isfinite(y), 0)
+	   && isfinite(x) && _LIB_VERSION != _IEEE_)
+		return __kernel_standard_l(x, x,
+					   __floorl(x)==x&&x<=0.0L
+					   ? 215 /* lgamma pole */
+					   : 214); /* lgamma overflow */
+
+	return y;
+}
+weak_alias (__lgammal, lgammal)
+strong_alias (__lgammal, __gammal)
+weak_alias (__gammal, gammal)