From ec880155c7c36c6d2b3462f210e96782486093e5 Mon Sep 17 00:00:00 2001
From: Edwin Svensson <git@olback.net>
Date: Sun, 30 May 2021 11:08:59 +0200
Subject: [PATCH 1/2] add math consts context

---
 src/context/mod.rs | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/src/context/mod.rs b/src/context/mod.rs
index ef27b6f..94fe055 100644
--- a/src/context/mod.rs
+++ b/src/context/mod.rs
@@ -163,3 +163,41 @@ macro_rules! context_map {
             .map(|_| context)
     }};
 }
+
+/// Context with all f64::consts available by default.
+/// Alternatively, specifiy constants with math_consts_context!(E, PI, TAU, ...)
+/// Available constants can be found in the core::f64::consts module.
+#[macro_export]
+macro_rules! math_consts_context {
+    () => {
+        $crate::math_consts_context!(
+            PI,
+            TAU,
+            FRAC_PI_2,
+            FRAC_PI_3,
+            FRAC_PI_4,
+            FRAC_PI_6,
+            FRAC_PI_8,
+            FRAC_1_PI,
+            FRAC_2_PI,
+            FRAC_2_SQRT_PI,
+            SQRT_2,
+            FRAC_1_SQRT_2,
+            E,
+            LOG2_10,
+            LOG2_E,
+            LOG10_2,
+            LOG10_E,
+            LN_2,
+            LN_10
+        )
+    };
+    ($($name:ident),*) => {{
+        use $crate::ContextWithMutableVariables;
+        $crate::context_map! {
+            $(
+                stringify!($name) => core::f64::consts::$name,
+            )*
+        }
+    }};
+}

From 9f691206dd5be9558bcc4a265629f9448beb333a Mon Sep 17 00:00:00 2001
From: Edwin Svensson <git@olback.net>
Date: Mon, 31 May 2021 01:13:24 +0200
Subject: [PATCH 2/2] move to new 'predefined' module and add link to f64 docs

---
 src/context/mod.rs    | 38 --------------------------------------
 src/lib.rs            |  1 +
 src/predefined/mod.rs | 37 +++++++++++++++++++++++++++++++++++++
 3 files changed, 38 insertions(+), 38 deletions(-)
 create mode 100644 src/predefined/mod.rs

diff --git a/src/context/mod.rs b/src/context/mod.rs
index 94fe055..ef27b6f 100644
--- a/src/context/mod.rs
+++ b/src/context/mod.rs
@@ -163,41 +163,3 @@ macro_rules! context_map {
             .map(|_| context)
     }};
 }
-
-/// Context with all f64::consts available by default.
-/// Alternatively, specifiy constants with math_consts_context!(E, PI, TAU, ...)
-/// Available constants can be found in the core::f64::consts module.
-#[macro_export]
-macro_rules! math_consts_context {
-    () => {
-        $crate::math_consts_context!(
-            PI,
-            TAU,
-            FRAC_PI_2,
-            FRAC_PI_3,
-            FRAC_PI_4,
-            FRAC_PI_6,
-            FRAC_PI_8,
-            FRAC_1_PI,
-            FRAC_2_PI,
-            FRAC_2_SQRT_PI,
-            SQRT_2,
-            FRAC_1_SQRT_2,
-            E,
-            LOG2_10,
-            LOG2_E,
-            LOG10_2,
-            LOG10_E,
-            LN_2,
-            LN_10
-        )
-    };
-    ($($name:ident),*) => {{
-        use $crate::ContextWithMutableVariables;
-        $crate::context_map! {
-            $(
-                stringify!($name) => core::f64::consts::$name,
-            )*
-        }
-    }};
-}
diff --git a/src/lib.rs b/src/lib.rs
index d20d49b..7e16ec9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -501,6 +501,7 @@ mod feature_serde;
 mod function;
 mod interface;
 mod operator;
+mod predefined;
 mod token;
 mod tree;
 mod value;
diff --git a/src/predefined/mod.rs b/src/predefined/mod.rs
new file mode 100644
index 0000000..05ca62d
--- /dev/null
+++ b/src/predefined/mod.rs
@@ -0,0 +1,37 @@
+/// Context with all f64::consts available by default.
+/// Alternatively, specifiy constants with `math_consts_context!(E, PI, TAU, ...)`
+/// Available constants can be found in the [`core::f64::consts module`](https://doc.rust-lang.org/nightly/core/f64/consts/index.html).
+#[macro_export]
+macro_rules! math_consts_context {
+    () => {
+        $crate::math_consts_context!(
+            PI,
+            TAU,
+            FRAC_PI_2,
+            FRAC_PI_3,
+            FRAC_PI_4,
+            FRAC_PI_6,
+            FRAC_PI_8,
+            FRAC_1_PI,
+            FRAC_2_PI,
+            FRAC_2_SQRT_PI,
+            SQRT_2,
+            FRAC_1_SQRT_2,
+            E,
+            LOG2_10,
+            LOG2_E,
+            LOG10_2,
+            LOG10_E,
+            LN_2,
+            LN_10
+        )
+    };
+    ($($name:ident),*) => {{
+        use $crate::ContextWithMutableVariables;
+        $crate::context_map! {
+            $(
+                stringify!($name) => core::f64::consts::$name,
+            )*
+        }
+    }};
+}