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authorUlrich Drepper <drepper@redhat.com>2001-02-17 01:47:54 +0000
committerUlrich Drepper <drepper@redhat.com>2001-02-17 01:47:54 +0000
commite275093526937799cdc38d11696ce19a9bce22c4 (patch)
tree33262c29a0b759e21be916f5e4de0a7329830ff3 /sysdeps/generic/w_exp2l.c
parent78b385b834d450d4c633279eb26aba04d8aa509b (diff)
downloadglibc-e275093526937799cdc38d11696ce19a9bce22c4.tar.gz
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Update.
	* math/w_acos.c: Move to ...
	* sysdeps/generic/w_acos.c: ...here.  New file.
	* math/w_acosf.c: Move to ...
	* sysdeps/generic/w_acosf.c: ...here.  New file.
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	* math/w_acoshl.c: Move to ...
	* sysdeps/generic/w_acoshl.c: ...here.  New file.
	* math/w_acosl.c: Move to ...
	* sysdeps/generic/w_acosl.c: ...here.  New file.
	* math/w_asin.c: Move to ...
	* sysdeps/generic/w_asin.c: ...here.  New file.
	* math/w_asinf.c: Move to ...
	* sysdeps/generic/w_asinf.c: ...here.  New file.
	* math/w_asinl.c: Move to ...
	* sysdeps/generic/w_asinl.c: ...here.  New file.
	* math/w_atan2.c: Move to ...
	* sysdeps/generic/w_atan2.c: ...here.  New file.
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	* sysdeps/generic/w_atan2f.c: ...here.  New file.
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	* sysdeps/generic/w_atan2l.c: ...here.  New file.
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	* sysdeps/generic/w_atanh.c: ...here.  New file.
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	* math/w_cosh.c: Move to ...
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	* sysdeps/generic/w_exp2l.c: ...here.  New file.
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	* sysdeps/generic/w_jnl.c: ...here.  New file.
	* math/w_lgamma.c: Move to ...
	* sysdeps/generic/w_lgamma.c: ...here.  New file.
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	* sysdeps/generic/w_lgammal.c: ...here.  New file.
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	* sysdeps/generic/w_lgamma_r.c: ...here.  New file.
	* math/w_log10.c: Move to ...
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	* sysdeps/generic/w_log10f.c: ...here.  New file.
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	* sysdeps/generic/w_log10l.c: ...here.  New file.
	* math/w_log.c: Move to ...
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	* math/w_logf.c: Move to ...
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	* math/w_logl.c: Move to ...
	* sysdeps/generic/w_logl.c: ...here.  New file.
	* math/w_pow.c: Move to ...
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	* math/w_powf.c: Move to ...
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	* math/w_powl.c: Move to ...
	* sysdeps/generic/w_powl.c: ...here.  New file.
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	* sysdeps/generic/w_remainderf.c: ...here.  New file.
	* math/w_remainderl.c: Move to ...
	* sysdeps/generic/w_remainderl.c: ...here.  New file.
	* math/w_scalb.c: Move to ...
	* sysdeps/generic/w_scalb.c: ...here.  New file.
	* math/w_scalbf.c: Move to ...
	* sysdeps/generic/w_scalbf.c: ...here.  New file.
	* math/w_scalbl.c: Move to ...
	* sysdeps/generic/w_scalbl.c: ...here.  New file.
	* math/w_sinh.c: Move to ...
	* sysdeps/generic/w_sinh.c: ...here.  New file.
	* math/w_sinhf.c: Move to ...
	* sysdeps/generic/w_sinhf.c: ...here.  New file.
	* math/w_sinhl.c: Move to ...
	* sysdeps/generic/w_sinhl.c: ...here.  New file.
	* math/w_sqrtl.c: Move to ...
	* sysdeps/generic/w_sqrtl.c: ...here.  New file.
	* math/w_tgamma.c: Move to ...
	* sysdeps/generic/w_tgamma.c: ...here.  New file.
	* math/w_tgammaf.c: Move to ...
	* sysdeps/generic/w_tgammaf.c: ...here.  New file.
	* math/w_tgammal.c: Move to ...
	* sysdeps/generic/w_tgammal.c: ...here.  New file.
Diffstat (limited to 'sysdeps/generic/w_exp2l.c')
-rw-r--r--sysdeps/generic/w_exp2l.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/sysdeps/generic/w_exp2l.c b/sysdeps/generic/w_exp2l.c
new file mode 100644
index 0000000000..965e9bf3e4
--- /dev/null
+++ b/sysdeps/generic/w_exp2l.c
@@ -0,0 +1,30 @@
+/*
+ * wrapper exp2l(x)
+ */
+
+#include <float.h>
+#include "math.h"
+#include "math_private.h"
+
+static const long double o_threshold = (long double) LDBL_MAX_EXP;
+static const long double u_threshold = (long double) LDBL_MIN_EXP;
+
+long double
+__exp2l (long double x)			/* wrapper exp2l */
+{
+#ifdef _IEEE_LIBM
+  return __ieee754_exp2l (x);
+#else
+  long double z;
+  z = __ieee754_exp2l (x);
+  if (_LIB_VERSION != _IEEE_ && __finitel (x))
+    {
+      if (x > o_threshold)
+	return __kernel_standard (x, x, 244); /* exp2l overflow */
+      else if (x < u_threshold)
+	return __kernel_standard (x, x, 245); /* exp2l underflow */
+    }
+  return z;
+#endif
+}
+weak_alias (__exp2l, exp2l)