misc things: vscode configs and test data

.vscode/launch.json

@@ -0,0 +1,33 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "(gdb) Launch",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${workspaceFolder}/main.exe",
+            "args": ["<", "${workspaceFolder}/data/test_mat.txt"],
+            "stopAtEntry": true,
+            "cwd": "${fileDirname}",
+            "environment": [],
+            "externalConsole": false,
+            "MIMode": "gdb",
+            "preLaunchTask": "compile",
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": true
+                },
+                {
+                    "description": "Set Disassembly Flavor to Intel",
+                    "text": "-gdb-set disassembly-flavor intel",
+                    "ignoreFailures": true
+                },
+            ]
+        }
+    ]
+}

.vscode/piped_run.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+path=$(realpath “${BASH_SOURCE:-$0}”)
+cat "$path/../data/test_mat.txt" | "$path/../main.exe"

.vscode/tasks.json

@@ -0,0 +1,10 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "compile",
+            "command": "python make.py compile",
+            "type": "shell"
+        }
+    ]
+}

data/test_mat.txt

@@ -1,4 +1,4 @@
 3
 1    1    -1
-555  0.9  +2
+555  0.9  2
 -55  2    1555