[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_tgammaf.c b/ap/libc/glibc/glibc-2.22/math/w_tgammaf.c
new file mode 100644
index 0000000..9ed7660
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/math/w_tgammaf.c
@@ -0,0 +1,44 @@
+/* w_gammaf.c -- float version of w_gamma.c.
+ * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@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.
+ * ====================================================
+ */
+
+#include <errno.h>
+#include <math.h>
+#include <math_private.h>
+
+float
+__tgammaf(float x)
+{
+ int local_signgam;
+ float y = __ieee754_gammaf_r(x,&local_signgam);
+
+ if(__glibc_unlikely (!isfinite (y) || y == 0)
+ && (isfinite (x) || isinf (x) < 0)
+ && _LIB_VERSION != _IEEE_) {
+ if (x == (float)0.0)
+ /* tgammaf pole */
+ return __kernel_standard_f(x, x, 150);
+ else if(__floorf(x)==x&&x<0.0f)
+ /* tgammaf domain */
+ return __kernel_standard_f(x, x, 141);
+ else if (y == 0)
+ /* tgammaf underflow */
+ __set_errno (ERANGE);
+ else
+ /* tgammaf overflow */
+ return __kernel_standard_f(x, x, 140);
+ }
+ return local_signgam < 0 ? - y : y;
+}
+weak_alias (__tgammaf, tgammaf)