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(scm_integer_expt): Make 0^z == 0 for z != 0. Also for reals.

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Marius Vollmer 2002-11-03 21:57:48 +00:00
parent eb2c5dcb51
commit 7b3381f44d
1 changed files with 1 additions and 1 deletions
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2
libguile/numbers.c
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@ -1246,7 +1246,7 @@ SCM_DEFINE (scm_integer_expt, "integer-expt", 2, 0, 0,
#ifdef SCM_BIGDIG
/* 0^0 == 1 according to R5RS */
if (SCM_EQ_P (n, SCM_INUM0) || SCM_EQ_P (n, acc))
return SCM_EQ_P (k, SCM_INUM0)? acc : n;
return SCM_FALSEP (scm_zero_p(k)) ? n : acc;
else if (SCM_EQ_P (n, SCM_MAKINUM (-1L)))
return SCM_FALSEP (scm_even_p (k)) ? n : acc;
#endif