diff options
Diffstat (limited to 'ext/bigdecimal')
-rw-r--r-- | ext/bigdecimal/bigdecimal.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/ext/bigdecimal/bigdecimal.c b/ext/bigdecimal/bigdecimal.c index 754c319991..3051143b07 100644 --- a/ext/bigdecimal/bigdecimal.c +++ b/ext/bigdecimal/bigdecimal.c @@ -3944,7 +3944,12 @@ VpCtoV(Real *a, const char *int_chr, U_LONG ni, const char *frac, U_LONG nf, con es = e*((S_INT)BASE_FIG); e = e * 10 + exp_chr[i] - '0'; if(es>e*((S_INT)BASE_FIG)) { - return VpException(VP_EXCEPTION_INFINITY,"exponent overflow",0); + VpException(VP_EXCEPTION_INFINITY,"exponent overflow",0); + sign = 1; + if(int_chr[0] == '-') sign = -1; + if(signe > 0) VpSetInf(a, sign); + else VpSetZero(a, sign); + return 1; } ++i; } @@ -4633,8 +4638,20 @@ VpPower(Real *y, Real *x, S_INT n) } goto Exit; } - if(!VpIsDef(x)) { - VpSetNaN(y); /* Not sure !!! */ + if(VpIsNaN(x)) { + VpSetNaN(y); + goto Exit; + } + if(VpIsInf(x)) { + if(n==0) { + VpSetOne(y); + goto Exit; + } + if(n>0) { + VpSetInf(y, (n%2==0 || VpIsPosInf(x)) ? 1 : -1); + goto Exit; + } + VpSetZero(y, (n%2==0 || VpIsPosInf(x)) ? 1 : -1); goto Exit; } |