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(parent: abd731f) | patch
Angle of -0.0 is pi, not zero
authorMark H Weaver <mhw@netris.org>
Sat, 28 Jul 2012 06:45:05 +0000 (02:45 -0400)
committerMark H Weaver <mhw@netris.org>
Sat, 28 Jul 2012 06:45:05 +0000 (02:45 -0400)
commit10a97755d4a1b2034f8a131215a92c0b29000969
treef8e12aca32316416fe700ab5782dd15a6eb74e38tree | snapshot (tar.gz zip)
parentabd731fff772624f54cdf69597b4cf36df9ae0e4commit | diff
Angle of -0.0 is pi, not zero

* libguile/numbers.c (scm_angle): Check the sign of an inexact real
  zero, to ensure that (angle -0.0) => pi and (angle 0.0) => 0.0.

* test-suite/tests/numbers.test (angle): Add tests, and increase
  precision of tests where the angle should be pi.
libguile/numbers.c diff | blob | blame | history
test-suite/tests/numbers.test diff | blob | blame | history
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