--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/stdcpp/src/complex_exp.cpp Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,261 @@
+/*
+ * © Portions copyright (c) 2006-2007 Nokia Corporation. All rights reserved.
+ * Copyright (c) 1999
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Copyright (c) 1999
+ * Boris Fomitchev
+ *
+ * This material is provided "as is", with absolutely no warranty expressed
+ * or implied. Any use is at your own risk.
+ *
+ * Permission to use or copy this software for any purpose is hereby granted
+ * without fee, provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ *
+ */
+
+# include "stlport_prefix.h"
+// exp, log, pow for complex<float>, complex<double>, and complex<long double>
+
+#include <numeric>
+#include "complex_impl.h"
+
+#if defined(__LIBSTD_CPP_SYMBIAN32_WSD__) || defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)
+#include "libstdcppwsd.h"
+# endif
+
+_STLP_BEGIN_NAMESPACE
+
+//----------------------------------------------------------------------
+// exp
+
+_STLP_EXP_DECLSPEC complex<float> _STLP_CALL
+exp(const complex<float>& z)
+{
+ float expx = _STLP_EXPF(z._M_re);
+ return complex<float>(expx * _STLP_COSF(z._M_im),
+ expx * _STLP_SINF(z._M_im));
+}
+
+_STLP_EXP_DECLSPEC complex<double> _STLP_CALL exp(const complex<double>& z)
+{
+ double expx = _STLP_EXP(z._M_re);
+ return complex<double>(expx * _STLP_COS(z._M_im),
+ expx * _STLP_SIN(z._M_im));
+}
+
+# ifndef _STLP_NO_LONG_DOUBLE
+_STLP_EXP_DECLSPEC complex<long double> _STLP_CALL exp(const complex<long double>& z)
+{
+ long double expx = _STLP_EXPL(z._M_re);
+ return complex<long double>(expx * _STLP_COSL(z._M_im),
+ expx * _STLP_SINL(z._M_im));
+}
+# endif
+
+//----------------------------------------------------------------------
+// log10
+
+_STLP_EXP_DECLSPEC complex<float> _STLP_CALL log10(const complex<float>& z)
+{
+ complex<float> r;
+
+#if defined(__LIBSTD_CPP_SYMBIAN32_WSD__) || defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)
+ get_complex_exp_float_ln10_inv() = 1.f / _STLP_LOGF(10.f);
+ r._M_im = _STLP_ATAN2F(z._M_im, z._M_re) * get_complex_exp_float_ln10_inv();
+# else
+ static float ln10_inv = 1.f / _STLP_LOGF(10.f);
+ r._M_im = _STLP_ATAN2F(z._M_im, z._M_re) * ln10_inv;
+# endif //__LIBSTD_CPP_SYMBIAN32_WSD__
+
+ r._M_re = _STLP_LOG10F(_STLP_HYPOTF(z._M_re, z._M_im));
+ return r;
+}
+
+_STLP_EXP_DECLSPEC complex<double> _STLP_CALL log10(const complex<double>& z)
+{
+ complex<double> r;
+
+#if defined(__LIBSTD_CPP_SYMBIAN32_WSD__) || defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)
+ get_complex_exp_double_ln10_inv() = 1. / _STLP_LOG(10.);
+ r._M_im = _STLP_ATAN2(z._M_im, z._M_re) * get_complex_exp_double_ln10_inv();
+# else
+ static double ln10_inv = 1. / _STLP_LOG(10.);
+ r._M_im = _STLP_ATAN2(z._M_im, z._M_re) * ln10_inv;
+# endif //__LIBSTD_CPP_SYMBIAN32_WSD__
+
+ r._M_re = _STLP_LOG10(_STLP_HYPOT(z._M_re, z._M_im));
+ return r;
+}
+
+#ifndef _STLP_NO_LONG_DOUBLE
+_STLP_EXP_DECLSPEC complex<long double> _STLP_CALL log10(const complex<long double>& z)
+{
+ complex<long double> result;
+#if defined(__LIBSTD_CPP_SYMBIAN32_WSD__) || defined(_STLP_LIBSTD_CPP_NO_STATIC_VAR_)
+ get_complex_exp_long_double_ln10_inv() = 1.l / _STLP_LOGL(10.l);
+ result._M_im = _STLP_ATAN2L(z._M_im, z._M_re) * get_complex_exp_long_double_ln10_inv();
+# else
+ static long double ln10_inv = 1.l / _STLP_LOGL(10.l);
+ result._M_im = _STLP_ATAN2L(z._M_im, z._M_re) * ln10_inv;
+# endif //__LIBSTD_CPP_SYMBIAN32_WSD__
+
+ result._M_re = _STLP_LOG10L(_STLP_HYPOTL(z._M_re, z._M_im));
+ return result;
+}
+# endif
+
+//----------------------------------------------------------------------
+// log
+
+_STLP_EXP_DECLSPEC complex<float> _STLP_CALL log(const complex<float>& z)
+{
+ complex<float> r;
+
+ r._M_im = _STLP_ATAN2F(z._M_im, z._M_re);
+ r._M_re = _STLP_LOGF(_STLP_HYPOTF(z._M_re, z._M_im));
+ return r;
+}
+
+_STLP_EXP_DECLSPEC complex<double> _STLP_CALL log(const complex<double>& z)
+{
+ complex<double> r;
+
+ r._M_im = _STLP_ATAN2(z._M_im, z._M_re);
+ r._M_re = _STLP_LOG(_STLP_HYPOT(z._M_re, z._M_im));
+ return r;
+}
+
+#ifndef _STLP_NO_LONG_DOUBLE
+_STLP_EXP_DECLSPEC complex<long double> _STLP_CALL log(const complex<long double>& z)
+{
+ complex<long double> result;
+
+ result._M_im = _STLP_ATAN2L(z._M_im, z._M_re);
+ result._M_re = _STLP_LOGL(_STLP_HYPOTL(z._M_re, z._M_im));
+ return result;
+}
+# endif
+
+//----------------------------------------------------------------------
+// pow
+
+_STLP_EXP_DECLSPEC complex<float> _STLP_CALL pow(const float& a, const complex<float>& b) {
+ float logr = _STLP_LOGF(a);
+ float x = _STLP_EXPF(logr*b._M_re);
+ float y = logr*b._M_im;
+
+ return complex<float>(x * _STLP_COSF(y), x * _STLP_SINF(y));
+}
+
+_STLP_EXP_DECLSPEC complex<float> _STLP_CALL pow(const complex<float>& z_in, int n) {
+ complex<float> z = z_in;
+ z = __power(z, (n < 0 ? -n : n), multiplies< complex<float> >());
+ if (n < 0)
+ return 1.f / z;
+ else
+ return z;
+}
+
+_STLP_EXP_DECLSPEC complex<float> _STLP_CALL pow(const complex<float>& a, const float& b) {
+ float logr = _STLP_LOGF(_STLP_HYPOTF(a._M_re,a._M_im));
+ float logi = _STLP_ATAN2F(a._M_im, a._M_re);
+ float x = _STLP_EXPF(logr * b);
+ float y = logi * b;
+
+ return complex<float>(x * _STLP_COSF(y), x * _STLP_SINF(y));
+}
+
+_STLP_EXP_DECLSPEC complex<float> _STLP_CALL pow(const complex<float>& a, const complex<float>& b) {
+ float logr = _STLP_LOGF(_STLP_HYPOTF(a._M_re,a._M_im));
+ float logi = _STLP_ATAN2F(a._M_im, a._M_re);
+ float x = _STLP_EXPF(logr*b._M_re - logi*b._M_im);
+ float y = logr*b._M_im + logi*b._M_re;
+
+ return complex<float>(x * _STLP_COSF(y), x * _STLP_SINF(y));
+}
+
+
+_STLP_EXP_DECLSPEC complex<double> _STLP_CALL pow(const double& a, const complex<double>& b) {
+ double logr = _STLP_LOG(a);
+ double x = _STLP_EXP(logr*b._M_re);
+ double y = logr*b._M_im;
+
+ return complex<double>(x * _STLP_COS(y), x * _STLP_SIN(y));
+}
+
+_STLP_EXP_DECLSPEC complex<double> _STLP_CALL pow(const complex<double>& z_in, int n) {
+ complex<double> z = z_in;
+ z = __power(z, (n < 0 ? -n : n), multiplies< complex<double> >());
+ if (n < 0)
+#if !defined(__SC__) //*TY 04/15/2000 -
+ return 1. / z;
+#else //*TY 04/15/2000 - added workaround for SCpp compiler
+ return double(1.0) / z; //*TY 04/15/2000 - it incorrectly assign long double attribute to floating point literals
+#endif //*TY 04/15/2000 -
+ else
+ return z;
+}
+
+_STLP_EXP_DECLSPEC complex<double> _STLP_CALL pow(const complex<double>& a, const double& b) {
+ double logr = _STLP_LOG(_STLP_HYPOT(a._M_re,a._M_im));
+ double logi = _STLP_ATAN2(a._M_im, a._M_re);
+ double x = _STLP_EXP(logr * b);
+ double y = logi * b;
+
+ return complex<double>(x * _STLP_COS(y), x * _STLP_SIN(y));
+}
+
+_STLP_EXP_DECLSPEC complex<double> _STLP_CALL pow(const complex<double>& a, const complex<double>& b) {
+ double logr = _STLP_LOG(_STLP_HYPOT(a._M_re,a._M_im));
+ double logi = _STLP_ATAN2(a._M_im, a._M_re);
+ double x = _STLP_EXP(logr*b._M_re - logi*b._M_im);
+ double y = logr*b._M_im + logi*b._M_re;
+
+ return complex<double>(x * _STLP_COS(y), x * _STLP_SIN(y));
+}
+
+
+_STLP_EXP_DECLSPEC complex<long double> _STLP_CALL pow(const long double& a,
+ const complex<long double>& b) {
+ long double logr = _STLP_LOGL(a);
+ long double x = _STLP_EXPL(logr*b._M_re);
+ long double y = logr*b._M_im;
+
+ return complex<long double>(x * _STLP_COSL(y), x * _STLP_SINL(y));
+}
+
+_STLP_EXP_DECLSPEC complex<long double> _STLP_CALL pow(const complex<long double>& z_in, int n) {
+ complex<long double> z = z_in;
+ z = __power(z, (n < 0 ? -n : n), multiplies< complex<long double> >());
+ if (n < 0)
+ return 1.l / z;
+ else
+ return z;
+}
+
+_STLP_EXP_DECLSPEC complex<long double> _STLP_CALL pow(const complex<long double>& a,
+ const long double& b) {
+ long double logr = _STLP_LOGL(_STLP_HYPOTL(a._M_re,a._M_im));
+ long double logi = _STLP_ATAN2L(a._M_im, a._M_re);
+ long double x = _STLP_EXPL(logr * b);
+ long double y = logi * b;
+
+ return complex<long double>(x * _STLP_COSL(y), x * _STLP_SINL(y));
+}
+
+_STLP_EXP_DECLSPEC complex<long double> _STLP_CALL pow(const complex<long double>& a,
+ const complex<long double>& b) {
+ long double logr = _STLP_LOGL(_STLP_HYPOTL(a._M_re,a._M_im));
+ long double logi = _STLP_ATAN2L(a._M_im, a._M_re);
+ long double x = _STLP_EXPL(logr*b._M_re - logi*b._M_im);
+ long double y = logr*b._M_im + logi*b._M_re;
+
+ return complex<long double>(x * _STLP_COSL(y), x * _STLP_SINL(y));
+}
+
+_STLP_END_NAMESPACE
+