From 6af0caf1376a27c9007ff3c5dd0a3d4f91074960 Mon Sep 17 00:00:00 2001
From: Subrata Das <40207448+subratappt@users.noreply.github.com>
Date: Tue, 25 Jan 2022 03:35:48 +0530
Subject: [PATCH] Add `imshow` support for `double` data type

Add `imshow` support for `double` data type.

```c++
namespace plt = matplotlibcpp;
.
.
std::vector<double> A(264*264);
.
.
plt::imshow(A.data(),264,264,1);
```
---
 matplotlibcpp.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/matplotlibcpp.h b/matplotlibcpp.h
index d95d46a..5fe7007 100644
--- a/matplotlibcpp.h
+++ b/matplotlibcpp.h
@@ -957,6 +957,11 @@ inline void imshow(const float *ptr, const int rows, const int columns, const in
     detail::imshow((void *) ptr, NPY_FLOAT, rows, columns, colors, keywords, out);
 }
 
+inline void imshow(const double *ptr, const int rows, const int columns, const int colors, const std::map<std::string, std::string> &keywords = {}, PyObject** out = nullptr)
+{
+    detail::imshow((void *) ptr, NPY_DOUBLE, rows, columns, colors, keywords, out);
+}
+
 #ifdef WITH_OPENCV
 void imshow(const cv::Mat &image, const std::map<std::string, std::string> &keywords = {})
 {