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-rw-r--r--sysdeps/libm-ieee754/s_ccosh.c95
-rw-r--r--sysdeps/libm-ieee754/s_ccoshf.c93
-rw-r--r--sysdeps/libm-ieee754/s_ccoshl.c93
-rw-r--r--sysdeps/libm-ieee754/s_cexp.c45
-rw-r--r--sysdeps/libm-ieee754/s_cexpf.c32
-rw-r--r--sysdeps/libm-ieee754/s_cexpl.c32
-rw-r--r--sysdeps/libm-ieee754/s_csinh.c102
-rw-r--r--sysdeps/libm-ieee754/s_csinhf.c100
-rw-r--r--sysdeps/libm-ieee754/s_csinhl.c100
9 files changed, 661 insertions, 31 deletions
diff --git a/sysdeps/libm-ieee754/s_ccosh.c b/sysdeps/libm-ieee754/s_ccosh.c
new file mode 100644
index 0000000000..f01b245e77
--- /dev/null
+++ b/sysdeps/libm-ieee754/s_ccosh.c
@@ -0,0 +1,95 @@
+/* Complex cosine hyperbole function for double.
+ Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <complex.h>
+#include <math.h>
+
+
+__complex__ double
+__ccosh (__complex__ double x)
+{
+ __complex__ double retval;
+
+ __real__ x = fabs (__real__ x);
+
+ if (isfinite (__real__ x))
+ {
+ if (isfinite (__imag__ x))
+ {
+ double exp_val = __exp (__real__ x);
+ double rec_exp_val = 1.0 / exp_val;
+
+ __real__ retval = 0.5 * (exp_val + rec_exp_val) * __cos (__imag__ x);
+ __imag__ retval = 0.5 * (exp_val + rec_exp_val) * __sin (__imag__ x);
+ }
+ else
+ {
+ if (__real__ x == 0)
+ {
+ __imag__ retval = 0.0;
+ __real__ retval = __nan ("") + __nan ("");
+ }
+ else
+ {
+ __real__ retval = __nan ("");
+ __imag__ retval = __nan ("") + __nan ("");
+ }
+ }
+ }
+ else if (__isinf (__real__ x))
+ {
+ if (__imag__ x == 0.0)
+ {
+ __real__ retval = HUGE_VAL;
+ __imag__ retval = __imag__ x;
+ }
+ else if (isfinite (__imag__ x))
+ {
+ __real__ retval = __copysign (HUGE_VAL, __cos (__imag__ x));
+ __imag__ retval = __copysign (HUGE_VAL, __sin (__imag__ x));
+ }
+ else
+ {
+ /* The addition raises the invalid exception. */
+ __real__ retval = HUGE_VAL;
+ __imag__ retval = __nan ("") + __nan ("");
+ }
+ }
+ else
+ {
+ if (__imag__ x == 0.0)
+ {
+ __real__ retval = __nan ("");
+ __imag__ retval = __imag__ x;
+ }
+ else
+ {
+ __real__ retval = __nan ("");
+ __imag__ retval = __nan ("");
+ }
+ }
+
+ return retval;
+}
+weak_alias (__ccosh, ccosh)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__ccosh, __ccoshl)
+weak_alias (__ccosh, ccoshl)
+#endif
diff --git a/sysdeps/libm-ieee754/s_ccoshf.c b/sysdeps/libm-ieee754/s_ccoshf.c
new file mode 100644
index 0000000000..9f2774b6c7
--- /dev/null
+++ b/sysdeps/libm-ieee754/s_ccoshf.c
@@ -0,0 +1,93 @@
+/* Complex cosine hyperbole function for float.
+ Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <complex.h>
+#include <math.h>
+
+
+__complex__ float
+__ccoshf (__complex__ float x)
+{
+ __complex__ float retval;
+
+ __real__ x = fabsf (__real__ x);
+
+ if (isfinite (__real__ x))
+ {
+ if (isfinite (__imag__ x))
+ {
+ float exp_val = __expf (__real__ x);
+ float rec_exp_val = 1.0 / exp_val;
+
+ __real__ retval = (0.5 * (exp_val + rec_exp_val)
+ * __cosf (__imag__ x));
+ __imag__ retval = (0.5 * (exp_val + rec_exp_val)
+ * __sinf (__imag__ x));
+ }
+ else
+ {
+ if (__real__ x == 0)
+ {
+ __imag__ retval = 0.0;
+ __real__ retval = __nanf ("") + __nanf ("");
+ }
+ else
+ {
+ __real__ retval = __nanf ("");
+ __imag__ retval = __nanf ("") + __nanf ("");
+ }
+ }
+ }
+ else if (__isinff (__real__ x))
+ {
+ if (__imag__ x == 0.0)
+ {
+ __real__ retval = HUGE_VALF;
+ __imag__ retval = __imag__ x;
+ }
+ else if (isfinite (__imag__ x))
+ {
+ __real__ retval = __copysignf (HUGE_VALF, __cosf (__imag__ x));
+ __imag__ retval = __copysignf (HUGE_VALF, __sinf (__imag__ x));
+ }
+ else
+ {
+ /* The addition raises the invalid exception. */
+ __real__ retval = HUGE_VALF;
+ __imag__ retval = __nanf ("") + __nanf ("");
+ }
+ }
+ else
+ {
+ if (__imag__ x == 0.0)
+ {
+ __real__ retval = __nanf ("");
+ __imag__ retval = __imag__ x;
+ }
+ else
+ {
+ __real__ retval = __nanf ("");
+ __imag__ retval = __nanf ("");
+ }
+ }
+
+ return retval;
+}
+weak_alias (__ccoshf, ccoshf)
diff --git a/sysdeps/libm-ieee754/s_ccoshl.c b/sysdeps/libm-ieee754/s_ccoshl.c
new file mode 100644
index 0000000000..fd553418b4
--- /dev/null
+++ b/sysdeps/libm-ieee754/s_ccoshl.c
@@ -0,0 +1,93 @@
+/* Complex cosine hyperbole function for long double.
+ Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <complex.h>
+#include <math.h>
+
+
+__complex__ long double
+__ccoshl (__complex__ long double x)
+{
+ __complex__ long double retval;
+
+ __real__ x = fabsl (__real__ x);
+
+ if (isfinite (__real__ x))
+ {
+ if (isfinite (__imag__ x))
+ {
+ long double exp_val = __expl (__real__ x);
+ long double rec_exp_val = 1.0 / exp_val;
+
+ __real__ retval = (0.5 * (exp_val + rec_exp_val)
+ * __cosl (__imag__ x));
+ __imag__ retval = (0.5 * (exp_val + rec_exp_val)
+ * __sinl (__imag__ x));
+ }
+ else
+ {
+ if (__real__ x == 0)
+ {
+ __imag__ retval = 0.0;
+ __real__ retval = __nanl ("") + __nanl ("");
+ }
+ else
+ {
+ __real__ retval = __nanl ("");
+ __imag__ retval = __nanl ("") + __nanl ("");
+ }
+ }
+ }
+ else if (__isinfl (__real__ x))
+ {
+ if (__imag__ x == 0.0)
+ {
+ __real__ retval = HUGE_VALL;
+ __imag__ retval = __imag__ x;
+ }
+ else if (isfinite (__imag__ x))
+ {
+ __real__ retval = __copysignl (HUGE_VALL, __cosl (__imag__ x));
+ __imag__ retval = __copysignl (HUGE_VALL, __sinl (__imag__ x));
+ }
+ else
+ {
+ /* The addition raises the invalid exception. */
+ __real__ retval = HUGE_VALL;
+ __imag__ retval = __nanl ("") + __nanl ("");
+ }
+ }
+ else
+ {
+ if (__imag__ x == 0.0)
+ {
+ __real__ retval = __nanl ("");
+ __imag__ retval = __imag__ x;
+ }
+ else
+ {
+ __real__ retval = __nanl ("");
+ __imag__ retval = __nanl ("");
+ }
+ }
+
+ return retval;
+}
+weak_alias (__ccoshl, ccoshl)
diff --git a/sysdeps/libm-ieee754/s_cexp.c b/sysdeps/libm-ieee754/s_cexp.c
index 46f9f612eb..233a40014f 100644
--- a/sysdeps/libm-ieee754/s_cexp.c
+++ b/sysdeps/libm-ieee754/s_cexp.c
@@ -1,4 +1,4 @@
-/* Return value of complex exponential function for double complex value.
+/* Return value of complex exponential function for float complex value.
Copyright (C) 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -31,33 +31,52 @@ __cexp (__complex__ double x)
{
if (isfinite (__imag__ x))
{
- retval = __exp (__real__ x) * (__cos (__imag__ x)
- + 1i * __sin (__imag__ x));
+ double exp_val = __exp (__real__ x);
+
+ __real__ retval = exp_val * __cos (__imag__ x);
+ __imag__ retval = exp_val * __sin (__imag__ x);
}
else
- /* If the imaginary part is +-inf or NaN and the real part is
- not +-inf the result is NaN + iNan. */
- retval = __nan ("") + 1.0i * __nan ("");
+ {
+ /* If the imaginary part is +-inf or NaN and the real part
+ is not +-inf the result is NaN + iNaN. */
+ __real__ retval = __nan ("");
+ __imag__ retval = __nan ("");
+ }
}
else if (__isinf (__real__ x))
{
- if (isfinite (__imag x))
+ if (isfinite (__imag__ x))
{
if (signbit (__real__ x) == 0 && __imag__ x == 0.0)
retval = HUGE_VAL;
else
- retval = ((signbit (__real__ x) ? 0.0 : HUGE_VAL)
- * (__cos (__imag__ x) + 1i * __sin (__imag__ x)));
+ {
+ double value = signbit (__real__ x) ? 0.0 : HUGE_VAL;
+
+ __real__ retval = value * __cos (__imag__ x);
+ __imag__ retval = value * __sin (__imag__ x);
+ }
+ }
+ else if (signbit (__real__ x) == 0)
+ {
+ __real__ retval = HUGE_VAL;
+ __imag__ retval = __nan ("");
}
- else if (signbit (__real__ x))
- retval = HUGE_VAL + 1.0i * __nan ("");
else
retval = 0.0;
}
else
- /* If the real part is NaN the result is NaN + iNan. */
- retval = __nan ("") + 1.0i * __nan ("");
+ {
+ /* If the real part is NaN the result is NaN + iNaN. */
+ __real__ retval = __nan ("");
+ __imag__ retval = __nan ("");
+ }
return retval;
}
weak_alias (__cexp, cexp)
+#ifdef NO_LONG_DOUBLE
+string_alias (__cexp, __cexpl)
+weak_alias (__cexp, cexpl)
+#endif
diff --git a/sysdeps/libm-ieee754/s_cexpf.c b/sysdeps/libm-ieee754/s_cexpf.c
index 261b18cb3a..c5d8f0cc07 100644
--- a/sysdeps/libm-ieee754/s_cexpf.c
+++ b/sysdeps/libm-ieee754/s_cexpf.c
@@ -33,8 +33,16 @@ __cexpf (__complex__ float x)
{
float exp_val = __expf (__real__ x);
- __real__ retval = exp_val * __cosf (__imag__ x);
- __imag__ retval = exp_val * __sinf (__imag__ x);
+ if (isfinite (exp_val))
+ {
+ __real__ retval = exp_val * __cosf (__imag__ x);
+ __imag__ retval = exp_val * __sinf (__imag__ x);
+ }
+ else
+ {
+ __real__ retval = __copysignf (exp_val, __cosf (__imag__ x));
+ __imag__ retval = __copysignf (exp_val, __sinf (__imag__ x));
+ }
}
else
{
@@ -48,14 +56,17 @@ __cexpf (__complex__ float x)
{
if (isfinite (__imag__ x))
{
- if (signbit (__real__ x) == 0 && __imag__ x == 0.0)
- retval = HUGE_VALF;
+ float value = signbit (__real__ x) ? 0.0 : HUGE_VALF;
+
+ if (__imag__ x == 0.0)
+ {
+ __real__ retval = value;
+ __imag__ retval = __imag__ x;
+ }
else
{
- float value = signbit (__real__ x) ? 0.0 : HUGE_VALF;
-
- __real__ retval = value * __cosf (__imag__ x);
- __imag__ retval = value * __sinf (__imag__ x);
+ __real__ retval = __copysignf (value, __cosf (__imag__ x));
+ __imag__ retval = __copysignf (value, __sinf (__imag__ x));
}
}
else if (signbit (__real__ x) == 0)
@@ -64,7 +75,10 @@ __cexpf (__complex__ float x)
__imag__ retval = __nanf ("");
}
else
- retval = 0.0;
+ {
+ __real__ retval = 0.0;
+ __imag__ retval = __copysignf (0.0, __imag__ x);
+ }
}
else
{
diff --git a/sysdeps/libm-ieee754/s_cexpl.c b/sysdeps/libm-ieee754/s_cexpl.c
index 779286f6b3..f1cdf43ec8 100644
--- a/sysdeps/libm-ieee754/s_cexpl.c
+++ b/sysdeps/libm-ieee754/s_cexpl.c
@@ -33,8 +33,16 @@ __cexpl (__complex__ long double x)
{
long double exp_val = __expl (__real__ x);
- __real__ retval = exp_val * __cosl (__imag__ x);
- __imag__ retval = exp_val * __sinl (__imag__ x);
+ if (isfinite (exp_val))
+ {
+ __real__ retval = exp_val * __cosl (__imag__ x);
+ __imag__ retval = exp_val * __sinl (__imag__ x);
+ }
+ else
+ {
+ __real__ retval = __copysignl (exp_val, __cosl (__imag__ x));
+ __imag__ retval = __copysignl (exp_val, __sinl (__imag__ x));
+ }
}
else
{
@@ -48,14 +56,17 @@ __cexpl (__complex__ long double x)
{
if (isfinite (__imag__ x))
{
- if (signbit (__real__ x) == 0 && __imag__ x == 0.0)
- retval = HUGE_VAL;
+ long double value = signbit (__real__ x) ? 0.0 : HUGE_VALL;
+
+ if (__imag__ x == 0.0)
+ {
+ __real__ retval = value;
+ __imag__ retval = __imag__ x;
+ }
else
{
- long double value = signbit (__real__ x) ? 0.0 : HUGE_VALL;
-
- __real__ retval = value * __cosl (__imag__ x);
- __imag__ retval = value * __sinl (__imag__ x);
+ __real__ retval = __copysignl (value, __cosl (__imag__ x));
+ __imag__ retval = __copysignl (value, __sinl (__imag__ x));
}
}
else if (signbit (__real__ x) == 0)
@@ -64,7 +75,10 @@ __cexpl (__complex__ long double x)
__imag__ retval = __nanl ("");
}
else
- retval = 0.0;
+ {
+ __real__ retval = 0.0;
+ __imag__ retval = __copysignl (0.0, __imag__ x);
+ }
}
else
{
diff --git a/sysdeps/libm-ieee754/s_csinh.c b/sysdeps/libm-ieee754/s_csinh.c
new file mode 100644
index 0000000000..aab041bdf9
--- /dev/null
+++ b/sysdeps/libm-ieee754/s_csinh.c
@@ -0,0 +1,102 @@
+/* Complex sine hyperbole function for double.
+ Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <complex.h>
+#include <math.h>
+
+
+__complex__ double
+__csinh (__complex__ double x)
+{
+ __complex__ double retval;
+ int negate = signbit (__real__ x);
+
+ __real__ x = fabs (__real__ x);
+
+ if (isfinite (__real__ x))
+ {
+ if (isfinite (__imag__ x))
+ {
+ double exp_val = __exp (__real__ x);
+ double rec_exp_val = 1.0 / exp_val;
+
+ __real__ retval = 0.5 * (exp_val - rec_exp_val) * __cos (__imag__ x);
+ __imag__ retval = 0.5 * (exp_val - rec_exp_val) * __sin (__imag__ x);
+
+ if (negate)
+ __real__ retval = -__real__ retval;
+ }
+ else
+ {
+ if (__real__ x == 0)
+ {
+ __real__ retval = __copysign (0.0, negate ? -1.0 : 1.0);
+ __imag__ retval = __nan ("") + __nan ("");
+ }
+ else
+ {
+ __real__ retval = __nan ("");
+ __imag__ retval = __nan ("");
+ }
+ }
+ }
+ else if (__isinf (__real__ x))
+ {
+ if (__imag__ x == 0.0)
+ {
+ __real__ retval = negate ? -HUGE_VAL : HUGE_VAL;
+ __imag__ retval = __imag__ x;
+ }
+ else if (isfinite (__imag__ x))
+ {
+ __real__ retval = __copysign (HUGE_VAL, __cos (__imag__ x));
+ __imag__ retval = __copysign (HUGE_VAL, __sin (__imag__ x));
+
+ if (negate)
+ __real__ retval = -__real__ retval;
+ }
+ else
+ {
+ /* The addition raises the invalid exception. */
+ __real__ retval = HUGE_VAL;
+ __imag__ retval = __nan ("") + __nan ("");
+ }
+ }
+ else
+ {
+ if (__imag__ x == 0.0)
+ {
+ __real__ retval = __nan ("");
+ __imag__ retval = __imag__ x;
+ }
+ else
+ {
+ __real__ retval = __nan ("");
+ __imag__ retval = __nan ("");
+ }
+ }
+
+ return retval;
+}
+weak_alias (__csinh, csinh)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__csinh, __csinhl)
+weak_alias (__csinh, csinhl)
+#endif
diff --git a/sysdeps/libm-ieee754/s_csinhf.c b/sysdeps/libm-ieee754/s_csinhf.c
new file mode 100644
index 0000000000..204bbfebb9
--- /dev/null
+++ b/sysdeps/libm-ieee754/s_csinhf.c
@@ -0,0 +1,100 @@
+/* Complex sine hyperbole function for float.
+ Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <complex.h>
+#include <math.h>
+
+
+__complex__ float
+__csinhf (__complex__ float x)
+{
+ __complex__ float retval;
+ int negate = signbit (__real__ x);
+
+ __real__ x = fabsf (__real__ x);
+
+ if (isfinite (__real__ x))
+ {
+ if (isfinite (__imag__ x))
+ {
+ float exp_val = __expf (__real__ x);
+ float rec_exp_val = 1.0 / exp_val;
+
+ __real__ retval = (0.5 * (exp_val - rec_exp_val)
+ * __cosf (__imag__ x));
+ __imag__ retval = (0.5 * (exp_val - rec_exp_val)
+ * __sinf (__imag__ x));
+
+ if (negate)
+ __real__ retval = -__real__ retval;
+ }
+ else
+ {
+ if (__real__ x == 0)
+ {
+ __real__ retval = __copysignf (0.0, negate ? -1.0 : 1.0);
+ __imag__ retval = __nanf ("") + __nanf ("");
+ }
+ else
+ {
+ __real__ retval = __nanf ("");
+ __imag__ retval = __nanf ("");
+ }
+ }
+ }
+ else if (__isinff (__real__ x))
+ {
+ if (__imag__ x == 0.0)
+ {
+ __real__ retval = negate ? -HUGE_VALF : HUGE_VALF;
+ __imag__ retval = __imag__ x;
+ }
+ else if (isfinite (__imag__ x))
+ {
+ __real__ retval = __copysignf (HUGE_VALF, __cosf (__imag__ x));
+ __imag__ retval = __copysignf (HUGE_VALF, __sinf (__imag__ x));
+
+ if (negate)
+ __real__ retval = -__real__ retval;
+ }
+ else
+ {
+ /* The addition raises the invalid exception. */
+ __real__ retval = HUGE_VALF;
+ __imag__ retval = __nanf ("") + __nanf ("");
+ }
+ }
+ else
+ {
+ if (__imag__ x == 0.0)
+ {
+ __real__ retval = __nanf ("");
+ __imag__ retval = __imag__ x;
+ }
+ else
+ {
+ __real__ retval = __nanf ("");
+ __imag__ retval = __nanf ("");
+ }
+ }
+
+ return retval;
+}
+weak_alias (__csinhf, csinhf)
diff --git a/sysdeps/libm-ieee754/s_csinhl.c b/sysdeps/libm-ieee754/s_csinhl.c
new file mode 100644
index 0000000000..e403dd4796
--- /dev/null
+++ b/sysdeps/libm-ieee754/s_csinhl.c
@@ -0,0 +1,100 @@
+/* Complex sine hyperbole function for long double.
+ Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <complex.h>
+#include <math.h>
+
+
+__complex__ long double
+__csinhl (__complex__ long double x)
+{
+ __complex__ long double retval;
+ int negate = signbit (__real__ x);
+
+ __real__ x = fabs (__real__ x);
+
+ if (isfinite (__real__ x))
+ {
+ if (isfinite (__imag__ x))
+ {
+ long double exp_val = __expl (__real__ x);
+ long double rec_exp_val = 1.0 / exp_val;
+
+ __real__ retval = (0.5 * (exp_val - rec_exp_val)
+ * __cosl (__imag__ x));
+ __imag__ retval = (0.5 * (exp_val - rec_exp_val)
+ * __sinl (__imag__ x));
+
+ if (negate)
+ __real__ retval = -__real__ retval;
+ }
+ else
+ {
+ if (__real__ x == 0)
+ {
+ __real__ retval = __copysignl (0.0, negate ? -1.0 : 1.0);
+ __imag__ retval = __nanl ("") + __nanl ("");
+ }
+ else
+ {
+ __real__ retval = __nanl ("");
+ __imag__ retval = __nanl ("");
+ }
+ }
+ }
+ else if (__isinfl (__real__ x))
+ {
+ if (__imag__ x == 0.0)
+ {
+ __real__ retval = negate ? -HUGE_VALL : HUGE_VALL;
+ __imag__ retval = __imag__ x;
+ }
+ else if (isfinite (__imag__ x))
+ {
+ __real__ retval = __copysignl (HUGE_VALL, __cosl (__imag__ x));
+ __imag__ retval = __copysignl (HUGE_VALL, __sinl (__imag__ x));
+
+ if (negate)
+ __real__ retval = -__real__ retval;
+ }
+ else
+ {
+ /* The addition raises the invalid exception. */
+ __real__ retval = HUGE_VALL;
+ __imag__ retval = __nanl ("") + __nanl ("");
+ }
+ }
+ else
+ {
+ if (__imag__ x == 0.0)
+ {
+ __real__ retval = __nanl ("");
+ __imag__ retval = __imag__ x;
+ }
+ else
+ {
+ __real__ retval = __nanl ("");
+ __imag__ retval = __nanl ("");
+ }
+ }
+
+ return retval;
+}
+weak_alias (__csinhl, csinhl)