extra_float_digits float4_cmp_internal float4_div float4_eq float4_ge float4_gt float4_le float4_lt float4_max float4_mi float4_min float4_mul float4_ne float4_pl float8_cmp_internal float8_div float8_eq float8_ge float8_gt float8_le float8_lt float8_max float8_mi float8_min float8_mul float8_ne float8_pl float8in_internal float8in_internal_opt_error float8out_internal float_overflow_error float_underflow_error float_zero_divide_error get_float4_infinity get_float4_nan get_float8_infinity get_float8_nan is_infinite M_PI RADIANS_PER_DEGREE

is_infinite() int is_infinite ( float8  val )