From f7170fa2eea2cd1e43d5e3dc895052dc2cf11e01 Mon Sep 17 00:00:00 2001
From: Tom Rondeau <trondeau@vt.edu>
Date: Tue, 26 Feb 2013 10:43:33 -0500
Subject: blocks: removing gr_transcendental from gnuradio-core.

---
 gnuradio-core/src/lib/general/gr_transcendental.cc | 153 ---------------------
 1 file changed, 153 deletions(-)
 delete mode 100644 gnuradio-core/src/lib/general/gr_transcendental.cc

(limited to 'gnuradio-core/src/lib/general/gr_transcendental.cc')

diff --git a/gnuradio-core/src/lib/general/gr_transcendental.cc b/gnuradio-core/src/lib/general/gr_transcendental.cc
deleted file mode 100644
index c1482491ba..0000000000
--- a/gnuradio-core/src/lib/general/gr_transcendental.cc
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
- * Copyright 2011 Free Software Foundation, Inc.
- *
- * This file is part of GNU Radio
- *
- * GNU Radio is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3, or (at your option)
- * any later version.
- *
- * GNU Radio is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with GNU Radio; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#include <gr_transcendental.h>
-#include <gr_io_signature.h>
-#include <stdexcept>
-#include <complex> //complex math
-#include <cmath> //real math
-#include <map>
-
-/***********************************************************************
- * work function creation and registration
- **********************************************************************/
-typedef int(*work_fcn_type)(int, gr_vector_const_void_star &, gr_vector_void_star &);
-struct map_val_type{
-    work_fcn_type work_fcn;
-    size_t io_size;
-};
-typedef std::map<std::string, map_val_type> map_type;
-
-//construct map on first use idiom
-static map_type &get_map(void){
-    static map_type map;
-    return map;
-}
-
-//static initialization of this object registers a function
-struct gr_transcendental_registrant{
-    gr_transcendental_registrant(
-        const std::string &key,
-        const work_fcn_type &work_fcn,
-        const size_t io_size
-    ){
-        map_val_type val;
-        val.work_fcn = work_fcn;
-        val.io_size = io_size;
-        get_map()[key] = val;
-    }
-};
-
-//macro to create a work function and register it
-#define REGISTER_FUNCTION(__fcn__, __type__, __key__)                   \
-    static int __key__ ## _work(                                        \
-        int noutput_items,                                              \
-        gr_vector_const_void_star &input_items,                         \
-        gr_vector_void_star &output_items                               \
-    ){                                                                  \
-        const __type__ *in = (const __type__ *) input_items[0];         \
-        __type__ *out = (__type__ *) output_items[0];                   \
-        for (size_t i = 0; i < size_t(noutput_items); i++){             \
-            out[i] = std::__fcn__(in[i]);                               \
-        }                                                               \
-        return noutput_items;                                           \
-    }                                                                   \
-    gr_transcendental_registrant __key__ ## _registrant(#__key__, &__key__ ## _work, sizeof(__type__));
-
-//register work functions for real types
-#define REGISTER_REAL_FUNCTIONS(__fcn__) \
-    REGISTER_FUNCTION(__fcn__, float, __fcn__ ## _float) \
-    REGISTER_FUNCTION(__fcn__, double, __fcn__ ## _double)
-
-//register work functions for complex types
-#define REGISTER_COMPLEX_FUNCTIONS(__fcn__) \
-    REGISTER_FUNCTION(__fcn__, std::complex<float>, __fcn__ ## _complex_float) \
-    REGISTER_FUNCTION(__fcn__, std::complex<double>, __fcn__ ## _complex_double)
-
-//register both complex and real
-#define REGISTER_FUNCTIONS(__fcn__) \
-    REGISTER_REAL_FUNCTIONS(__fcn__) \
-    REGISTER_COMPLEX_FUNCTIONS(__fcn__)
-
-//create and register transcendental work functions
-REGISTER_FUNCTIONS(cos)
-REGISTER_FUNCTIONS(sin)
-REGISTER_FUNCTIONS(tan)
-REGISTER_REAL_FUNCTIONS(acos)
-REGISTER_REAL_FUNCTIONS(asin)
-REGISTER_REAL_FUNCTIONS(atan)
-REGISTER_FUNCTIONS(cosh)
-REGISTER_FUNCTIONS(sinh)
-REGISTER_FUNCTIONS(tanh)
-REGISTER_FUNCTIONS(exp)
-REGISTER_FUNCTIONS(log)
-REGISTER_FUNCTIONS(log10)
-REGISTER_FUNCTIONS(sqrt)
-
-/***********************************************************************
- * implementation block simply calls into the function pointer
- **********************************************************************/
-class gr_transcendental_impl : public gr_transcendental{
-public:
-    gr_transcendental_impl(
-        const work_fcn_type &work_fcn, const size_t io_size
-    ):
-        gr_sync_block(
-            "transcendental",
-            gr_make_io_signature(1, 1, io_size),
-            gr_make_io_signature(1, 1, io_size)
-        ),
-        _work_fcn(work_fcn)
-    {
-        // NOP
-    }
-
-    int work(
-        int noutput_items,
-        gr_vector_const_void_star &input_items,
-        gr_vector_void_star &output_items
-    ){
-        return _work_fcn(noutput_items, input_items, output_items);
-    }
-
-private:
-    const work_fcn_type &_work_fcn;
-};
-
-/***********************************************************************
- * factory function to make transcendental block
- **********************************************************************/
-gr_transcendental::sptr gr_make_transcendental(
-    const std::string &name,
-    const std::string &type
-){
-    //search for an entry in the map
-    const std::string key = name + "_" + type;
-    const bool has_key = get_map().count(key) != 0;
-    if (!has_key) throw std::runtime_error(
-        "could not find transcendental function for " + key
-    );
-
-    //make a new block with found work function
-    return gr_transcendental::sptr(new gr_transcendental_impl(
-        get_map()[key].work_fcn, get_map()[key].io_size
-    ));
-}
-- 
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