math: fix compile on 32 bit systems

Author: ncw

math/math.go

@@ -882,9 +882,9 @@ func math_ldexp(self py.Object, args py.Tuple) (py.Object, error) {
 			return nil, err
 		}
 		if lt == py.True {
-			exp = py.IntMin
+			exp = py.GoIntMin
 		} else {
-			exp = py.IntMax
+			exp = py.GoIntMax
 		}
 	}
 	if x == 0. || !isFinite(x) {

py/int.go

@@ -35,6 +35,11 @@ const (
 	IntMin = math.MinInt64
 	// The largest number such that sqrtIntMax**2 < IntMax
 	sqrtIntMax = 3037000499
+	// Go integer limits
+	GoUintMax = ^uint(0)
+	GoUintMin = 0
+	GoIntMax  = int(GoUintMax >> 1)
+	GoIntMin  = -GoIntMax - 1
 )
 
 // Type of this Int object