1
0
mirror of https://sourceware.org/git/glibc.git synced 2025-08-08 17:42:12 +03:00

Convert remaining complex function to generated files

Convert cpow, clog, clog10, cexp, csqrt, and cproj functions
into generated templates.  Note, ldbl-opt still retains
s_clog10l.c as the aliasing rules are non-trivial.
This commit is contained in:
Paul E. Murphy
2016-06-28 14:28:04 -05:00
parent 1dbc54f61e
commit feb62ddacb
47 changed files with 332 additions and 2206 deletions

View File

@@ -1,4 +1,4 @@
/* Return value of complex exponential function for double complex value.
/* Return value of complex exponential function for a float type.
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
__cexp (__complex__ double x)
CFLOAT
M_DECL_FUNC (__cexp) (CFLOAT x)
{
__complex__ double retval;
CFLOAT retval;
int rcls = fpclassify (__real__ x);
int icls = fpclassify (__imag__ x);
@@ -36,22 +36,22 @@ __cexp (__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 (__real__ x > t)
{
double exp_t = __ieee754_exp (t);
FLOAT exp_t = M_EXP (t);
__real__ x -= t;
sinix *= exp_t;
cosix *= exp_t;
@@ -65,12 +65,12 @@ __cexp (__complex__ double x)
if (__real__ x > 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 (__real__ x);
FLOAT exp_val = M_EXP (__real__ x);
__real__ retval = exp_val * cosix;
__imag__ retval = exp_val * sinix;
}
@@ -80,8 +80,8 @@ __cexp (__complex__ double x)
{
/* 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 ("");
__real__ retval = M_NAN;
__imag__ retval = M_NAN;
feraiseexcept (FE_INVALID);
}
@@ -92,7 +92,7 @@ __cexp (__complex__ double x)
if (__glibc_likely (icls >= FP_ZERO))
{
/* Imaginary part is finite. */
double value = signbit (__real__ x) ? 0.0 : HUGE_VAL;
FLOAT value = signbit (__real__ x) ? 0 : M_HUGE_VAL;
if (icls == FP_ZERO)
{
@@ -102,46 +102,46 @@ __cexp (__complex__ double x)
}
else
{
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 (value, cosix);
__imag__ retval = __copysign (value, sinix);
__real__ retval = M_COPYSIGN (value, cosix);
__imag__ retval = M_COPYSIGN (value, sinix);
}
}
else if (signbit (__real__ x) == 0)
{
__real__ retval = HUGE_VAL;
__imag__ retval = __nan ("");
__real__ retval = M_HUGE_VAL;
__imag__ retval = M_NAN;
if (icls == FP_INFINITE)
feraiseexcept (FE_INVALID);
}
else
{
__real__ retval = 0.0;
__imag__ retval = __copysign (0.0, __imag__ x);
__real__ retval = 0;
__imag__ retval = M_COPYSIGN (0, __imag__ x);
}
}
else
{
/* If the real part is NaN the result is NaN + iNaN unless the
imaginary part is zero. */
__real__ retval = __nan ("");
__real__ retval = M_NAN;
if (icls == FP_ZERO)
__imag__ retval = __imag__ x;
else
{
__imag__ retval = __nan ("");
__imag__ retval = M_NAN;
if (rcls != FP_NAN || icls != FP_NAN)
feraiseexcept (FE_INVALID);
@@ -150,8 +150,8 @@ __cexp (__complex__ double x)
return retval;
}
weak_alias (__cexp, cexp)
#ifdef NO_LONG_DOUBLE
strong_alias (__cexp, __cexpl)
weak_alias (__cexp, cexpl)
declare_mgen_alias (__cexp, cexp)
#if M_LIBM_NEED_COMPAT (cexp)
declare_mgen_libm_compat (__cexp, cexp)
#endif