diff options
Diffstat (limited to 'winsup/cygwin/math/ccosh.def.h')
-rw-r--r-- | winsup/cygwin/math/ccosh.def.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/winsup/cygwin/math/ccosh.def.h b/winsup/cygwin/math/ccosh.def.h new file mode 100644 index 000000000..c18d657bf --- /dev/null +++ b/winsup/cygwin/math/ccosh.def.h @@ -0,0 +1,95 @@ +/* + This Software is provided under the Zope Public License (ZPL) Version 2.1. + + Copyright (c) 2009, 2010 by the mingw-w64 project + + See the AUTHORS file for the list of contributors to the mingw-w64 project. + + This license has been certified as open source. It has also been designated + as GPL compatible by the Free Software Foundation (FSF). + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions in source code must retain the accompanying copyright + notice, this list of conditions, and the following disclaimer. + 2. Redistributions in binary form must reproduce the accompanying + copyright notice, this list of conditions, and the following disclaimer + in the documentation and/or other materials provided with the + distribution. + 3. Names of the copyright holders must not be used to endorse or promote + products derived from this software without prior written permission + from the copyright holders. + 4. The right to distribute this software or to use it for any purpose does + not give you the right to use Servicemarks (sm) or Trademarks (tm) of + the copyright holders. Use of them is covered by separate agreement + with the copyright holders. + 5. If any files are modified, you must cause the modified files to carry + prominent notices stating that you changed the files and the date of + any change. + + Disclaimer + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY EXPRESSED + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO + EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT, INDIRECT, + INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +__FLT_TYPE __complex__ __cdecl +__FLT_ABI(ccosh) (__FLT_TYPE __complex__ z) +{ + __complex__ __FLT_TYPE ret; + __FLT_TYPE s_x, c_x; + int r_class = fpclassify (__real__ z); + int i_class = fpclassify (__imag__ z); + + if (r_class == FP_NAN) + { + __real__ ret = __FLT_NAN; + __imag__ ret = __imag__ z == __FLT_CST(0.0) ? __imag__ z : __FLT_NAN; + return ret; + } + + if (r_class == FP_INFINITE) + { + if (i_class == FP_ZERO) + { + __real__ ret = __FLT_HUGE_VAL; + __imag__ ret = __imag__ z * __FLT_ABI(copysign) (__FLT_CST(1.0), __real__ z); + return ret; + } + + if (i_class == FP_NAN || i_class == FP_INFINITE) + { + __real__ ret = __FLT_HUGE_VAL; + __imag__ ret = __FLT_NAN + __FLT_NAN; + return ret; + } + + __FLT_ABI(sincos) (__imag__ z, &s_x, &c_x); + + __real__ ret = __FLT_ABI(copysign) (__FLT_HUGE_VAL, c_x); + __imag__ ret = (__FLT_ABI(copysign) (__FLT_HUGE_VAL, s_x) * __FLT_ABI(copysign) (__FLT_CST(1.0), __real__ z)); + return ret; + } + + if (i_class == FP_NAN || i_class == FP_INFINITE) + { + __imag__ ret = __real__ z == __FLT_CST(0.0) ? __FLT_CST(0.0) : __FLT_NAN; + __real__ ret = __FLT_NAN + __FLT_NAN; + return ret; + } + + __FLT_ABI(sincos) (__imag__ z, &s_x, &c_x); + + __real__ ret = __FLT_ABI(cosh) (__real__ z) * c_x; + __imag__ ret = __FLT_ABI(sinh) (__real__ z) * s_x; + return ret; +} |