From c51a8bfe9d4d313af601b29b74bf98f35dc03b61 Mon Sep 17 00:00:00 2001
From: Pedro Alvarez <pedro.alvarez@softwareradiosystems.com>
Date: Fri, 26 Apr 2019 12:46:30 +0100
Subject: [PATCH] Fix compilation error when using GCC 8, C++11 and C complex
 functions.

---
 srsenb/src/phy/sf_worker.cc | 4 ++--
 srsue/src/phy/cc_worker.cc  | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/srsenb/src/phy/sf_worker.cc b/srsenb/src/phy/sf_worker.cc
index a33d42251..9f004e2c0 100644
--- a/srsenb/src/phy/sf_worker.cc
+++ b/srsenb/src/phy/sf_worker.cc
@@ -886,7 +886,7 @@ int sf_worker::read_ce_abs(float* ce_abs)
   bzero(ce_abs, sizeof(float) * sz);
   int g = (sz - 12 * phy->cell.nof_prb) / 2;
   for (i = 0; i < 12 * phy->cell.nof_prb; i++) {
-    ce_abs[g + i] = 20 * log10(cabs(enb_ul.chest_res.ce[i]));
+    ce_abs[g + i] = 20 * log10(std::abs(std::complex<double>(enb_ul.chest_res.ce[i])));
     if (isinf(ce_abs[g + i])) {
       ce_abs[g + i] = -80;
     }
@@ -901,7 +901,7 @@ int sf_worker::read_ce_arg(float* ce_arg)
   bzero(ce_arg, sizeof(float) * sz);
   int g = (sz - 12 * phy->cell.nof_prb) / 2;
   for (i = 0; i < 12 * phy->cell.nof_prb; i++) {
-    ce_arg[g + i] = cargf(enb_ul.chest_res.ce[i]) * 180.0f / (float)M_PI;
+    ce_arg[g + i] = std::arg(std::complex<float>(enb_ul.chest_res.ce[i])) * 180.0f / (float)M_PI;
     if (isinf(ce_arg[g + i])) {
       ce_arg[g + i] = -80;
     }
diff --git a/srsue/src/phy/cc_worker.cc b/srsue/src/phy/cc_worker.cc
index 116315fb7..ab243bca2 100644
--- a/srsue/src/phy/cc_worker.cc
+++ b/srsue/src/phy/cc_worker.cc
@@ -1402,7 +1402,7 @@ int cc_worker::read_ce_abs(float* ce_abs, uint32_t tx_antenna, uint32_t rx_anten
   bzero(ce_abs, sizeof(float) * sz);
   int g = (sz - 12 * cell.nof_prb) / 2;
   for (i = 0; i < 12 * cell.nof_prb; i++) {
-    ce_abs[g + i] = 20 * log10f(cabsf(ue_dl.chest_res.ce[tx_antenna][rx_antenna][i]));
+    ce_abs[g + i] = 20 * log10f(std::abs(std::complex<float>(ue_dl.chest_res.ce[tx_antenna][rx_antenna][i])));
     if (std::isinf(ce_abs[g + i])) {
       ce_abs[g + i] = -80;
     }