Merge pull request #50 from AndresCarignano/master

Zig example

.gitignore

@@ -221,3 +221,7 @@ callgrind.out.*
 *.dylib
 *.dll
 
+# Zig
+
+.zig-cache/
+zig-out/

examples/zig/build.zig

@@ -0,0 +1,55 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+
+    // Create the library
+    const lib = b.addStaticLibrary(.{ .name = "opengjk", .target = target, .optimize = optimize });
+
+    // Add C source files for the library
+    lib.addCSourceFile(.{
+        .file = b.path("../../openGJK.c"),
+    });
+
+    lib.addIncludePath(b.path("../../include/"));
+
+    lib.linkLibC();
+
+    // Install the library
+    b.installArtifact(lib);
+
+    // Create the example executable
+    const example = b.addExecutable(.{
+        .name = "example_lib_opengjk_ce",
+        .target = target,
+        .optimize = optimize,
+        .link_libc = true,
+    });
+
+    // Add C source file for the example
+    example.addCSourceFile(.{
+        .file = b.path("../c/main.c"),
+    });
+
+    example.addIncludePath(b.path("../../include/"));
+    // Link the library to the example
+    example.linkLibrary(lib);
+
+    // Add math library if needed
+    example.linkLibC();
+    example.linkSystemLibrary("m");
+
+    // Install the example
+    b.installArtifact(example);
+
+    // Create run step for the example
+    const run_cmd = b.addRunArtifact(example);
+    run_cmd.step.dependOn(b.getInstallStep());
+    if (b.args) |args| {
+        run_cmd.addArgs(args);
+    }
+
+    const run_step = b.step("run", "Run the example");
+    run_step.dependOn(&run_cmd.step);
+}

examples/zig/build.zig.zon

@@ -0,0 +1,72 @@
+.{
+    // This is the default name used by packages depending on this one. For
+    // example, when a user runs `zig fetch --save <url>`, this field is used
+    // as the key in the `dependencies` table. Although the user can choose a
+    // different name, most users will stick with this provided value.
+    //
+    // It is redundant to include "zig" in this name because it is already
+    // within the Zig package namespace.
+    .name = "zig",
+
+    // This is a [Semantic Version](https://semver.org/).
+    // In a future version of Zig it will be used for package deduplication.
+    .version = "0.0.0",
+
+    // This field is optional.
+    // This is currently advisory only; Zig does not yet do anything
+    // with this value.
+    //.minimum_zig_version = "0.11.0",
+
+    // This field is optional.
+    // Each dependency must either provide a `url` and `hash`, or a `path`.
+    // `zig build --fetch` can be used to fetch all dependencies of a package, recursively.
+    // Once all dependencies are fetched, `zig build` no longer requires
+    // internet connectivity.
+    .dependencies = .{
+        // See `zig fetch --save <url>` for a command-line interface for adding dependencies.
+        //.example = .{
+        //    // When updating this field to a new URL, be sure to delete the corresponding
+        //    // `hash`, otherwise you are communicating that you expect to find the old hash at
+        //    // the new URL.
+        //    .url = "https://example.com/foo.tar.gz",
+        //
+        //    // This is computed from the file contents of the directory of files that is
+        //    // obtained after fetching `url` and applying the inclusion rules given by
+        //    // `paths`.
+        //    //
+        //    // This field is the source of truth; packages do not come from a `url`; they
+        //    // come from a `hash`. `url` is just one of many possible mirrors for how to
+        //    // obtain a package matching this `hash`.
+        //    //
+        //    // Uses the [multihash](https://multiformats.io/multihash/) format.
+        //    .hash = "...",
+        //
+        //    // When this is provided, the package is found in a directory relative to the
+        //    // build root. In this case the package's hash is irrelevant and therefore not
+        //    // computed. This field and `url` are mutually exclusive.
+        //    .path = "foo",
+        //
+        //    // When this is set to `true`, a package is declared to be lazily
+        //    // fetched. This makes the dependency only get fetched if it is
+        //    // actually used.
+        //    .lazy = false,
+        //},
+    },
+
+    // Specifies the set of files and directories that are included in this package.
+    // Only files and directories listed here are included in the `hash` that
+    // is computed for this package. Only files listed here will remain on disk
+    // when using the zig package manager. As a rule of thumb, one should list
+    // files required for compilation plus any license(s).
+    // Paths are relative to the build root. Use the empty string (`""`) to refer to
+    // the build root itself.
+    // A directory listed here means that all files within, recursively, are included.
+    .paths = .{
+        "build.zig",
+        "build.zig.zon",
+        "src",
+        // For example...
+        //"LICENSE",
+        //"README.md",
+    },
+}

examples/zig/userP.dat

@@ -0,0 +1,10 @@
+9
+0.0 5.5 0.0
+2.3 1.0 -2.0
+8.1 4.0 2.4
+4.3 5.0 2.2
+2.5 1.0 2.3
+7.1 1.0 2.4
+1.0 1.5 0.3
+3.3 0.5 0.3
+6.0 1.4 0.2

examples/zig/userQ.dat

@@ -0,0 +1,10 @@
+9
+-0.0 -5.5  0.0
+-2.3 -1.0  2.0
+-8.1 -4.0 -2.4
+-4.3 -5.0 -2.2
+-2.5 -1.0 -2.3
+-7.1 -1.0 -2.4
+-1.0 -1.5 -0.3
+-3.3 -0.5 -0.3
+-6.0 -1.4 -0.2