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Commit 0808c9fe authored by Daniel Kochmański's avatar Daniel Kochmański
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atan: inf: be explicit in the comment about the sign

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...@@ -175,13 +175,18 @@ ...@@ -175,13 +175,18 @@
;;; no portable ieee-fp, we could put it in ansi-beyond test suite ;;; no portable ieee-fp, we could put it in ansi-beyond test suite
;;; though: ;;; though:
;;; ;;;
;;; (atan (anything) nan) -> nan ;;; (atan (anything) nan) -> nan
;;; (atan nan (anything)) -> nan ;;; (atan nan (anything)) -> nan
;;; (atan +-inf +inf) -> +-pi/4 ;;; (atan +inf +inf) -> +pi/4
;;; (atan +-inf -inf) -> +-3pi/4 ;;; (atan -inf +inf) -> -pi/4
;;; (atan +-(anything-but-inf/nan), +inf) -> +-0 ;;; (atan +inf -inf) -> +3pi/4
;;; (atan +-(anything-but-inf/nan), -inf) -> +-pi ;;; (atan -inf -inf) -> -3pi/4
;;; (atan +-inf (anything-but-0/nan/inf)) -> +-pi/2 ;;; (atan -(anything-but/inf+nan), +inf) -> -0
;;; (atan +(anything-but/inf+nan), +inf) -> +0
;;; (atan +(anything-but/inf+nan), -inf) -> +pi
;;; (atan -(anything-but/inf+nan), -inf) -> -pi
;;; (atan +inf (anything-but/0+inf+nan)) -> +pi/2
;;; (atan -inf (anything-but/0+inf+nan)) -> -pi/2
;;; ;;;
;;; Error tests ;;; Error tests
......
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