[Emacs-diffs] emacs-26 f088817 2/3: Fix math-imaginary-i check

[Noam Postavsky]

branch: emacs-26
commit f0888179237b25e32b46a8a855acb3d3453e4c69
Author: Noam Postavsky <address@hidden>
Commit: Noam Postavsky <address@hidden>

    Fix math-imaginary-i check
    
    Reported by Bastian Erdnüß at
    <https://lists.gnu.org/archive/html/emacs-devel/2018-08/msg00300.html>.
    * lisp/calc/calc-cplx.el (math-imaginary-i): Check for a value
    of (polar 1 <quarter-circle>).
---
 lisp/calc/calc-cplx.el | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lisp/calc/calc-cplx.el b/lisp/calc/calc-cplx.el
index 4a453a7..35cd31d 100644
--- a/lisp/calc/calc-cplx.el
+++ b/lisp/calc/calc-cplx.el
@@ -273,8 +273,8 @@
     (or (eq (car-safe val) 'special-const)
        (equal val '(cplx 0 1))
        (and (eq (car-safe val) 'polar)
-            (eq (nth 1 val) 0)
-            (Math-equal (nth 1 val) (math-quarter-circle nil))))))
+            (eq (nth 1 val) 1)
+            (Math-equal (nth 2 val) (math-quarter-circle nil))))))
 
 ;;; Extract the real or complex part of a complex number.  [R N] [Public]
 ;;; Also extracts the real part of a modulo form.