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* sysdeps/alpha/fpu/Versions: Add __c1_c*f and c*f to GLIBC_2.3.3. * sysdeps/alpha/fpu/cabsf.c, sysdeps/alpha/fpu/cargf.c, sysdeps/alpha/fpu/cfloat-compat.h, sysdeps/alpha/fpu/cimagf.c, sysdeps/alpha/fpu/conjf.c, sysdeps/alpha/fpu/crealf.c, sysdeps/alpha/fpu/s_cacosf.c, sysdeps/alpha/fpu/s_cacoshf.c, sysdeps/alpha/fpu/s_casinf.c, sysdeps/alpha/fpu/s_casinhf.c, sysdeps/alpha/fpu/s_catanf.c, sysdeps/alpha/fpu/s_catanhf.c, sysdeps/alpha/fpu/s_ccosf.c, sysdeps/alpha/fpu/s_ccoshf.c, sysdeps/alpha/fpu/s_cexpf.c, sysdeps/alpha/fpu/s_clog10f.c, sysdeps/alpha/fpu/s_clogf.c, sysdeps/alpha/fpu/s_cpowf.c, sysdeps/alpha/fpu/s_cprojf.c, sysdeps/alpha/fpu/s_csinf.c, sysdeps/alpha/fpu/s_csinhf.c, sysdeps/alpha/fpu/s_csqrtf.c, sysdeps/alpha/fpu/s_ctanf.c, sysdeps/alpha/fpu/s_ctanhf.c: New files. * sysdeps/alpha/fpu/bits/mathdef.h: Rename complex float functions for gcc 3.3. * sysdeps/generic/s_cacosf.c, sysdeps/generic/s_cacoshf.c, sysdeps/generic/s_casinf.c, sysdeps/generic/s_casinhf.c, sysdeps/generic/s_catanf.c, sysdeps/generic/s_catanhf.c, sysdeps/generic/s_ccosf.c, sysdeps/generic/s_ccoshf.c, sysdeps/generic/s_cexpf.c, sysdeps/generic/s_clog10f.c, sysdeps/generic/s_clogf.c, sysdeps/generic/s_cpowf.c, sysdeps/generic/s_cprojf.c, sysdeps/generic/s_csinf.c, sysdeps/generic/s_csinhf.c, sysdeps/generic/s_csqrtf.c, sysdeps/generic/s_ctanf.c, sysdeps/generic/s_ctanhf.c: Don't weak_alias if the function name has been #defined. * math/cabsf.c: Move ... * sysdeps/generic/cabsf.c: ... here. * math/cargf.c: Move ... * sysdeps/generic/cargf.c: ... here. * math/cimagf.c: Move ... * sysdeps/generic/cimagf.c: ... here. * math/conjf.c: Move ... * sysdeps/generic/conjf.c: ... here. * math/crealf.c: Move ... * sysdeps/generic/crealf.c: ... here. 2004-01-13 Richard Henderson <rth@redhat.com> * Versions.def (libm): Add GLIBC_2.3.3. * sysdeps/alpha/fpu/Versions: Add __c1_c*f and c*f to GLIBC_2.3.3. * sysdeps/alpha/fpu/cabsf.c, sysdeps/alpha/fpu/cargf.c, sysdeps/alpha/fpu/cfloat-compat.h, sysdeps/alpha/fpu/cimagf.c, sysdeps/alpha/fpu/conjf.c, sysdeps/alpha/fpu/crealf.c, sysdeps/alpha/fpu/s_cacosf.c, sysdeps/alpha/fpu/s_cacoshf.c, sysdeps/alpha/fpu/s_casinf.c, sysdeps/alpha/fpu/s_casinhf.c, sysdeps/alpha/fpu/s_catanf.c, sysdeps/alpha/fpu/s_catanhf.c, sysdeps/alpha/fpu/s_ccosf.c, sysdeps/alpha/fpu/s_ccoshf.c, sysdeps/alpha/fpu/s_cexpf.c, sysdeps/alpha/fpu/s_clog10f.c, sysdeps/alpha/fpu/s_clogf.c, sysdeps/alpha/fpu/s_cpowf.c, sysdeps/alpha/fpu/s_cprojf.c, sysdeps/alpha/fpu/s_csinf.c, sysdeps/alpha/fpu/s_csinhf.c, sysdeps/alpha/fpu/s_csqrtf.c, sysdeps/alpha/fpu/s_ctanf.c, sysdeps/alpha/fpu/s_ctanhf.c: New files. * sysdeps/alpha/fpu/bits/mathdef.h: Rename complex float functions for gcc 3.3. * sysdeps/generic/s_cacosf.c, sysdeps/generic/s_cacoshf.c, sysdeps/generic/s_casinf.c, sysdeps/generic/s_casinhf.c, sysdeps/generic/s_catanf.c, sysdeps/generic/s_catanhf.c, sysdeps/generic/s_ccosf.c, sysdeps/generic/s_ccoshf.c, sysdeps/generic/s_cexpf.c, sysdeps/generic/s_clog10f.c, sysdeps/generic/s_clogf.c, sysdeps/generic/s_cpowf.c, sysdeps/generic/s_cprojf.c, sysdeps/generic/s_csinf.c, sysdeps/generic/s_csinhf.c, sysdeps/generic/s_csqrtf.c, sysdeps/generic/s_ctanf.c, sysdeps/generic/s_ctanhf.c: Don't weak_alias if the function name has been #defined. * math/cabsf.c: Move ... * sysdeps/generic/cabsf.c: ... here. * math/cargf.c: Move ... * sysdeps/generic/cargf.c: ... here. * math/cimagf.c: Move ... * sysdeps/generic/cimagf.c: ... here. * math/conjf.c: Move ... * sysdeps/generic/conjf.c: ... here. * math/crealf.c: Move ... * sysdeps/generic/crealf.c: ... here.
130 lines
3.1 KiB
C
130 lines
3.1 KiB
C
/* Complex sine function for float.
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Copyright (C) 1997 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <complex.h>
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#include <fenv.h>
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#include <math.h>
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#include "math_private.h"
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__complex__ float
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__csinf (__complex__ float x)
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{
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__complex__ float retval;
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int negate = signbit (__real__ x);
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int rcls = fpclassify (__real__ x);
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int icls = fpclassify (__imag__ x);
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__real__ x = fabsf (__real__ x);
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if (icls >= FP_ZERO)
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{
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/* Imaginary part is finite. */
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if (rcls >= FP_ZERO)
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{
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/* Real part is finite. */
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float sinh_val = __ieee754_sinhf (__imag__ x);
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float cosh_val = __ieee754_coshf (__imag__ x);
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float sinix, cosix;
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__sincosf (__real__ x, &sinix, &cosix);
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__real__ retval = cosh_val * sinix;
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__imag__ retval = sinh_val * cosix;
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if (negate)
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__real__ retval = -__real__ retval;
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}
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else
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{
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if (icls == FP_ZERO)
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{
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/* Imaginary part is 0.0. */
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__real__ retval = __nanf ("");
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__imag__ retval = __imag__ x;
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#ifdef FE_INVALID
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if (rcls == FP_INFINITE)
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feraiseexcept (FE_INVALID);
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#endif
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}
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else
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{
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__real__ retval = __nanf ("");
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__imag__ retval = __nanf ("");
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#ifdef FE_INVALID
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feraiseexcept (FE_INVALID);
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#endif
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}
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}
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}
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else if (icls == FP_INFINITE)
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{
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/* Imaginary part is infinite. */
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if (rcls == FP_ZERO)
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{
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/* Real part is 0.0. */
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__real__ retval = __copysignf (0.0, negate ? -1.0 : 1.0);
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__imag__ retval = __imag__ x;
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}
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else if (rcls > FP_ZERO)
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{
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/* Real part is finite. */
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float sinix, cosix;
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__sincosf (__real__ x, &sinix, &cosix);
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__real__ retval = __copysignf (HUGE_VALF, sinix);
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__imag__ retval = __copysignf (HUGE_VALF, cosix);
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if (negate)
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__real__ retval = -__real__ retval;
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if (signbit (__imag__ x))
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__imag__ retval = -__imag__ retval;
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}
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else
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{
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/* The addition raises the invalid exception. */
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__real__ retval = __nanf ("");
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__imag__ retval = HUGE_VALF;
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#ifdef FE_INVALID
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if (rcls == FP_INFINITE)
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feraiseexcept (FE_INVALID);
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#endif
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}
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}
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else
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{
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if (rcls == FP_ZERO)
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__real__ retval = __copysignf (0.0, negate ? -1.0 : 1.0);
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else
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__real__ retval = __nanf ("");
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__imag__ retval = __nanf ("");
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}
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return retval;
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}
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#ifndef __csinf
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weak_alias (__csinf, csinf)
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#endif
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