From d1e76fc432ac5c9bde99591ec5e88e46b62d9c3d Mon Sep 17 00:00:00 2001
From: xuri <xuri.me@gmail.com>
Date: Wed, 17 Aug 2022 10:59:52 +0800
Subject: This closes #1319, fix calculate error for formula with negative
 symbol

- Update unit test and comment for the functions
---
 calc_test.go | 1 +
 1 file changed, 1 insertion(+)

(limited to 'calc_test.go')

diff --git a/calc_test.go b/calc_test.go
index 47cd806..5822135 100644
--- a/calc_test.go
+++ b/calc_test.go
@@ -491,6 +491,7 @@ func TestCalcCellValue(t *testing.T) {
 		// COS
 		"=COS(0.785398163)": "0.707106781467586",
 		"=COS(0)":           "1",
+		"=-COS(0)":          "-1",
 		"=COS(COS(0))":      "0.54030230586814",
 		// COSH
 		"=COSH(0)":       "1",
-- 
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