From d83d566851a0fb5d35c2b23ed8aa549b88d6a63b Mon Sep 17 00:00:00 2001
From: Nic Crane <thisisnic@gmail.com>
Date: Tue, 26 Jul 2022 17:22:09 +0000
Subject: [PATCH] feat: add trigonometry functions (#241)

---
 extensions/functions_arithmetic.yaml | 132 +++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)

diff --git a/extensions/functions_arithmetic.yaml b/extensions/functions_arithmetic.yaml
index 4578c09e7..570170876 100644
--- a/extensions/functions_arithmetic.yaml
+++ b/extensions/functions_arithmetic.yaml
@@ -260,6 +260,138 @@ scalar_functions:
             required: false
           - value: fp64
         return: fp64
+  -
+    name: "cos"
+    description: "Get the cosine of a value in radians."
+    impls:
+      - args:
+          - name: rounding
+            options: [ TIE_TO_EVEN, TIE_AWAY_FROM_ZERO, TRUNCATE, CEILING, FLOOR ]
+            required: false
+          - value: fp32
+        return: fp64
+      - args:
+          - name: rounding
+            options: [ TIE_TO_EVEN, TIE_AWAY_FROM_ZERO, TRUNCATE, CEILING, FLOOR ]
+            required: false
+          - value: fp64
+        return: fp64
+  -
+    name: "sin"
+    description: "Get the sine of a value in radians."
+    impls:
+      - args:
+          - name: rounding
+            options: [ TIE_TO_EVEN, TIE_AWAY_FROM_ZERO, TRUNCATE, CEILING, FLOOR ]
+            required: false
+          - value: fp32
+        return: fp64
+      - args:
+          - name: rounding
+            options: [ TIE_TO_EVEN, TIE_AWAY_FROM_ZERO, TRUNCATE, CEILING, FLOOR ]
+            required: false
+          - value: fp64
+        return: fp64
+  -
+    name: "tan"
+    description: "Get the tangent of a value in radians."
+    impls:
+      - args:
+          - name: rounding
+            options: [ TIE_TO_EVEN, TIE_AWAY_FROM_ZERO, TRUNCATE, CEILING, FLOOR ]
+            required: false
+          - value: fp32
+        return: fp64
+      - args:
+          - name: rounding
+            options: [ TIE_TO_EVEN, TIE_AWAY_FROM_ZERO, TRUNCATE, CEILING, FLOOR ]
+            required: false
+          - value: fp64
+        return: fp64
+  -
+    name: "acos"
+    description: "Get the arccosine of a value in radians."
+    impls:
+      - args:
+          - name: rounding
+            options: [ TIE_TO_EVEN, TIE_AWAY_FROM_ZERO, TRUNCATE, CEILING, FLOOR ]
+            required: false
+          - name: on_domain_error
+            options: [ NAN, ERROR ]
+            required: false
+          - value: fp32
+        return: fp64
+      - args:
+          - name: rounding
+            options: [ TIE_TO_EVEN, TIE_AWAY_FROM_ZERO, TRUNCATE, CEILING, FLOOR ]
+            required: false
+          - name: on_domain_error
+            options: [ NAN, ERROR ]
+            required: false
+          - value: fp64
+        return: fp64
+  -
+    name: "asin"
+    description: "Get the arcsine of a value in radians."
+    impls:
+      - args:
+          - name: rounding
+            options: [ TIE_TO_EVEN, TIE_AWAY_FROM_ZERO, TRUNCATE, CEILING, FLOOR ]
+            required: false
+          - name: on_domain_error
+            options: [ NAN, ERROR ]
+            required: false
+          - value: fp32
+        return: fp64
+      - args:
+          - name: rounding
+            options: [ TIE_TO_EVEN, TIE_AWAY_FROM_ZERO, TRUNCATE, CEILING, FLOOR ]
+            required: false
+          - name: on_domain_error
+            options: [ NAN, ERROR ]
+            required: false
+          - value: fp64
+        return: fp64
+  -
+    name: "atan"
+    description: "Get the arctangent of a value in radians."
+    impls:
+      - args:
+          - name: rounding
+            options: [ TIE_TO_EVEN, TIE_AWAY_FROM_ZERO, TRUNCATE, CEILING, FLOOR ]
+            required: false
+          - value: fp32
+        return: fp64
+      - args:
+          - name: rounding
+            options: [ TIE_TO_EVEN, TIE_AWAY_FROM_ZERO, TRUNCATE, CEILING, FLOOR ]
+            required: false
+          - value: fp64
+        return: fp64
+  -
+    name: "atan2"
+    description: "Get the arctangent of values given as x/y pairs."
+    impls:
+      - args:
+          - name: rounding
+            options: [ TIE_TO_EVEN, TIE_AWAY_FROM_ZERO, TRUNCATE, CEILING, FLOOR ]
+            required: false
+          - name: on_domain_error
+            options: [ NAN, ERROR ]
+            required: false
+          - value: fp32
+          - value: fp32
+        return: fp64
+      - args:
+          - name: rounding
+            options: [ TIE_TO_EVEN, TIE_AWAY_FROM_ZERO, TRUNCATE, CEILING, FLOOR ]
+            required: false
+          - name: on_domain_error
+            options: [ NAN, ERROR ]
+            required: false
+          - value: fp64
+          - value: fp64
+        return: fp64
 aggregate_functions:
   - name: "sum"
     description: Sum a set of values. The sum of zero elements yields null.