From 28aa023d633ba682b7f02d3830ae5033fba44d93 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ant=C3=B3nio=20Brito?=
 <50997716+antmsbrito@users.noreply.github.com>
Date: Tue, 23 Jan 2024 17:34:21 +0000
Subject: [PATCH] Define value of pi

---
 .../nanopyx.core.transform._le_interpolation_lanczos_.cl        | 2 +-
 src/nanopyx/core/transform/_le_interpolation_lanczos_.cl        | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/mako_templates/nanopyx.core.transform._le_interpolation_lanczos_.cl b/src/mako_templates/nanopyx.core.transform._le_interpolation_lanczos_.cl
index c77b8031..12ec6d11 100644
--- a/src/mako_templates/nanopyx.core.transform._le_interpolation_lanczos_.cl
+++ b/src/mako_templates/nanopyx.core.transform._le_interpolation_lanczos_.cl
@@ -9,7 +9,7 @@ c_function_names = [('_c_interpolation_lanczos.c','_c_lanczos_kernel'),('_c_inte
 
 headers, functions = extract_batch_code(c_function_names)
 
-defines = [('TAPS',4),('HALF_TAPS',2)]
+defines = [('TAPS',4),('HALF_TAPS',2),('M_PI','3.14159265359f')]
 
 %>
 
diff --git a/src/nanopyx/core/transform/_le_interpolation_lanczos_.cl b/src/nanopyx/core/transform/_le_interpolation_lanczos_.cl
index 1749d66f..7f2f719f 100644
--- a/src/nanopyx/core/transform/_le_interpolation_lanczos_.cl
+++ b/src/nanopyx/core/transform/_le_interpolation_lanczos_.cl
@@ -3,6 +3,7 @@ float _c_interpolate(__global float *image, float r, float c, int rows, int cols
 
 #define TAPS 4
 #define HALF_TAPS 2
+#define M_PI 3.14159265359f
 
 double _c_lanczos_kernel(double v) {
   if (v == 0) {