From 715cc0d68610c97556ee57fa267e1487f0efe91d Mon Sep 17 00:00:00 2001
From: Yuuichi Asahi <y.asahi@nr.titech.ac.jp>
Date: Thu, 24 Oct 2024 16:08:17 +0900
Subject: [PATCH] Use Kokkos::numbers::pi instead of M_PI

---
 fft/unit_test/Test_Utils.hpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/fft/unit_test/Test_Utils.hpp b/fft/unit_test/Test_Utils.hpp
index 2d27baf5..31ec53d3 100644
--- a/fft/unit_test/Test_Utils.hpp
+++ b/fft/unit_test/Test_Utils.hpp
@@ -99,7 +99,8 @@ void fft1(ViewType& in, ViewType& out) {
         Kokkos::parallel_reduce(
             Kokkos::TeamThreadRange(team_member, L),
             [&](const int i, value_type& lsum) {
-              auto phase = -2 * I * M_PI * static_cast<real_value_type>(i) /
+              auto phase = -2 * I * Kokkos::numbers::pi *
+                           static_cast<real_value_type>(i) /
                            static_cast<real_value_type>(L);
 
               auto tmp_in = in(i);
@@ -145,7 +146,8 @@ void ifft1(ViewType& in, ViewType& out) {
         Kokkos::parallel_reduce(
             Kokkos::TeamThreadRange(team_member, L),
             [&](const int i, value_type& lsum) {
-              auto phase = 2 * I * M_PI * static_cast<real_value_type>(i) /
+              auto phase = 2 * I * Kokkos::numbers::pi *
+                           static_cast<real_value_type>(i) /
                            static_cast<real_value_type>(L);
 
               auto tmp_in = in(i);