From 44ef5b89a4a4475f35891c1eb96c463fff6d1721 Mon Sep 17 00:00:00 2001
From: Jacob Lifshay <programmerjake@gmail.com>
Date: Thu, 13 May 2021 19:48:34 -0700
Subject: [PATCH] add tan_pi

---
 src/algorithms/trig_pi.rs | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/src/algorithms/trig_pi.rs b/src/algorithms/trig_pi.rs
index e776378..5be0ad6 100644
--- a/src/algorithms/trig_pi.rs
+++ b/src/algorithms/trig_pi.rs
@@ -249,6 +249,27 @@ pub fn cos_pi_f64<Ctx: Context>(ctx: Ctx, x: Ctx::VecF64) -> Ctx::VecF64 {
     sin_cos_pi_f64(ctx, x).1
 }
 
+/// computes `tan(pi * x)`
+/// error inherited from `sin_pi / cos_pi`
+pub fn tan_pi_f16<Ctx: Context>(ctx: Ctx, x: Ctx::VecF16) -> Ctx::VecF16 {
+    let (sin, cos) = sin_cos_pi_f16(ctx, x);
+    sin / cos
+}
+
+/// computes `tan(pi * x)`
+/// error inherited from `sin_pi / cos_pi`
+pub fn tan_pi_f32<Ctx: Context>(ctx: Ctx, x: Ctx::VecF32) -> Ctx::VecF32 {
+    let (sin, cos) = sin_cos_pi_f32(ctx, x);
+    sin / cos
+}
+
+/// computes `tan(pi * x)`
+/// error inherited from `sin_pi / cos_pi`
+pub fn tan_pi_f64<Ctx: Context>(ctx: Ctx, x: Ctx::VecF64) -> Ctx::VecF64 {
+    let (sin, cos) = sin_cos_pi_f64(ctx, x);
+    sin / cos
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
-- 
2.30.2