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Convert _Complex cosine functions to generated code

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This is fairly straight fowards.  m68k overrides are
updated to use the framework, and thus are simplified
a bit.
This commit is contained in:
Paul E. Murphy
2016-06-27 17:11:46 -05:00
parent 281f5073e5
commit 01ee387015
33 changed files with 174 additions and 1162 deletions
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77
math/s_ccosh_template.c
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@@ -1,4 +1,4 @@
/* Complex cosine hyperbole function for double.
/* Complex cosine hyperbolic function for float types.
Copyright (C) 1997-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -23,10 +23,10 @@
#include <math_private.h>
#include <float.h>
__complex__ double
__ccosh (__complex__ double x)
CFLOAT
M_DECL_FUNC (__ccosh) (CFLOAT x)
{
__complex__ double retval;
CFLOAT retval;
int rcls = fpclassify (__real__ x);
int icls = fpclassify (__imag__ x);
@@ -36,28 +36,28 @@ __ccosh (__complex__ double x)
if (__glibc_likely (icls >= FP_ZERO))
{
/* Imaginary part is finite. */
const int t = (int) ((DBL_MAX_EXP - 1) * M_LN2);
double sinix, cosix;
const int t = (int) ((M_MAX_EXP - 1) * M_MLIT (M_LN2));
FLOAT sinix, cosix;
if (__glibc_likely (fabs (__imag__ x) > DBL_MIN))
if (__glibc_likely (M_FABS (__imag__ x) > M_MIN))
{
__sincos (__imag__ x, &sinix, &cosix);
M_SINCOS (__imag__ x, &sinix, &cosix);
}
else
{
sinix = __imag__ x;
cosix = 1.0;
cosix = 1;
}
if (fabs (__real__ x) > t)
if (M_FABS (__real__ x) > t)
{
double exp_t = __ieee754_exp (t);
double rx = fabs (__real__ x);
FLOAT exp_t = M_EXP (t);
FLOAT rx = M_FABS (__real__ x);
if (signbit (__real__ x))
sinix = -sinix;
rx -= t;
sinix *= exp_t / 2.0;
cosix *= exp_t / 2.0;
sinix *= exp_t / 2;
cosix *= exp_t / 2;
if (rx > t)
{
rx -= t;
@@ -67,28 +67,28 @@ __ccosh (__complex__ double x)
if (rx > t)
{
/* Overflow (original real part of x > 3t). */
__real__ retval = DBL_MAX * cosix;
__imag__ retval = DBL_MAX * sinix;
__real__ retval = M_MAX * cosix;
__imag__ retval = M_MAX * sinix;
}
else
{
double exp_val = __ieee754_exp (rx);
FLOAT exp_val = M_EXP (rx);
__real__ retval = exp_val * cosix;
__imag__ retval = exp_val * sinix;
}
}
else
{
__real__ retval = __ieee754_cosh (__real__ x) * cosix;
__imag__ retval = __ieee754_sinh (__real__ x) * sinix;
__real__ retval = M_COSH (__real__ x) * cosix;
__imag__ retval = M_SINH (__real__ x) * sinix;
}
math_check_force_underflow_complex (retval);
}
else
{
__imag__ retval = __real__ x == 0.0 ? 0.0 : __nan ("");
__real__ retval = __nan ("") + __nan ("");
__imag__ retval = __real__ x == 0 ? 0 : M_NAN;
__real__ retval = M_NAN + M_NAN;
if (icls == FP_INFINITE)
feraiseexcept (FE_INVALID);
@@ -100,33 +100,33 @@ __ccosh (__complex__ double x)
if (__glibc_likely (icls > FP_ZERO))
{
/* Imaginary part is finite. */
double sinix, cosix;
FLOAT sinix, cosix;
if (__glibc_likely (fabs (__imag__ x) > DBL_MIN))
if (__glibc_likely (M_FABS (__imag__ x) > M_MIN))
{
__sincos (__imag__ x, &sinix, &cosix);
M_SINCOS (__imag__ x, &sinix, &cosix);
}
else
{
sinix = __imag__ x;
cosix = 1.0;
cosix = 1;
}
__real__ retval = __copysign (HUGE_VAL, cosix);
__imag__ retval = (__copysign (HUGE_VAL, sinix)
* __copysign (1.0, __real__ x));
__real__ retval = M_COPYSIGN (M_HUGE_VAL, cosix);
__imag__ retval = (M_COPYSIGN (M_HUGE_VAL, sinix)
* M_COPYSIGN (1, __real__ x));
}
else if (icls == FP_ZERO)
{
/* Imaginary part is 0.0. */
__real__ retval = HUGE_VAL;
__imag__ retval = __imag__ x * __copysign (1.0, __real__ x);
__real__ retval = M_HUGE_VAL;
__imag__ retval = __imag__ x * M_COPYSIGN (1, __real__ x);
}
else
{
/* The addition raises the invalid exception. */
__real__ retval = HUGE_VAL;
__imag__ retval = __nan ("") + __nan ("");
__real__ retval = M_HUGE_VAL;
__imag__ retval = M_NAN + M_NAN;
if (icls == FP_INFINITE)
feraiseexcept (FE_INVALID);
@@ -134,14 +134,15 @@ __ccosh (__complex__ double x)
}
else
{
__real__ retval = __nan ("");
__imag__ retval = __imag__ x == 0.0 ? __imag__ x : __nan ("");
__real__ retval = M_NAN;
__imag__ retval = __imag__ x == 0 ? __imag__ x : M_NAN;
}
return retval;
}
weak_alias (__ccosh, ccosh)
#ifdef NO_LONG_DOUBLE
strong_alias (__ccosh, __ccoshl)
weak_alias (__ccosh, ccoshl)
declare_mgen_alias (__ccosh, ccosh);
#if M_LIBM_NEED_COMPAT (carg)
declare_mgen_libm_compat (__ccosh, ccosh)
#endif