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-rw-r--r--math/w_lgammaf_r_compat.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/math/w_lgammaf_r_compat.c b/math/w_lgammaf_r_compat.c
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+/* w_lgammaf_r.c -- float version of w_lgamma_r.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.
+ * ====================================================
+ */
+
+/*
+ * wrapper float lgammaf_r(float x, int *signgamp)
+ */
+
+#include <math.h>
+#include <math_private.h>
+
+
+float
+__lgammaf_r(float x, int *signgamp)
+{
+	float y = __ieee754_lgammaf_r(x,signgamp);
+	if(__builtin_expect(!isfinite(y), 0)
+	   && isfinite(x) && _LIB_VERSION != _IEEE_)
+		return __kernel_standard_f(x, x,
+					   __floorf(x)==x&&x<=0.0f
+					   ? 115 /* lgamma pole */
+					   : 114); /* lgamma overflow */
+
+	return y;
+}
+weak_alias (__lgammaf_r, lgammaf_r)