diff options
Diffstat (limited to 'numeric.c')
| -rw-r--r-- | numeric.c | 19 |
1 files changed, 16 insertions, 3 deletions
@@ -2445,6 +2445,20 @@ int_pow(long x, unsigned long y) return LONG2NUM(z); } +#if defined _MSC_VER && _MSC_VER >= 1300 +#pragma warning(push) +#pragma warning(disable:4723) +#endif +static inline double +infinite_value(void) +{ + static const double zero = 0.0; + return 1.0 / zero; +} +#if defined _MSC_VER && _MSC_VER >= 1300 +#pragma warning(pop) +#endif + /* * call-seq: * fix ** other => Numeric @@ -2460,7 +2474,6 @@ int_pow(long x, unsigned long y) static VALUE fix_pow(VALUE x, VALUE y) { - static const double zero = 0.0; long a = FIX2LONG(x); if (FIXNUM_P(y)) { @@ -2473,7 +2486,7 @@ fix_pow(VALUE x, VALUE y) if (b == 1) return x; if (a == 0) { if (b > 0) return INT2FIX(0); - return DBL2NUM(1.0 / zero); + return DBL2NUM(infinite_value()); } if (a == 1) return INT2FIX(1); if (a == -1) { @@ -2501,7 +2514,7 @@ fix_pow(VALUE x, VALUE y) case T_FLOAT: if (RFLOAT_VALUE(y) == 0.0) return DBL2NUM(1.0); if (a == 0) { - return DBL2NUM(RFLOAT_VALUE(y) < 0 ? (1.0 / zero) : 0.0); + return DBL2NUM(RFLOAT_VALUE(y) < 0 ? infinite_value() : 0.0); } if (a == 1) return DBL2NUM(1.0); return DBL2NUM(pow((double)a, RFLOAT_VALUE(y))); |