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fix (expt #t 0)

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* libguile/numbers.c (scm_expt): Fix check regarding when to dispatch to
  integer-expt.

* test-suite/tests/numbers.test ("expt"): Add test.
This commit is contained in:
Andy Wingo 2010-06-07 23:27:55 +02:00
parent 78f79f18e2
commit a4082ab57e
2 changed files with 3 additions and 1 deletions
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2
libguile/numbers.c
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@ -5466,7 +5466,7 @@ SCM_DEFINE (scm_expt, "expt", 2, 0, 0,
"Return @var{x} raised to the power of @var{y}.")
#define FUNC_NAME s_scm_expt
{
if (!SCM_INEXACTP (y) && scm_is_integer (y))
if ((SCM_I_INUMP (x) || SCM_BIGP (x)) && scm_is_integer (y))
return scm_integer_expt (x, y);
else if (scm_is_real (x) && scm_is_real (y) && scm_to_double (x) >= 0.0)
{