Author: Carl Friedrich Bolz-Tereick <[email protected]>
Branch: math-improvements
Changeset: r95454:0e5c477cc330
Date: 2018-12-12 11:51 +0100
http://bitbucket.org/pypy/pypy/changeset/0e5c477cc330/
Log: slightly more careful testing of three-operand pow
diff --git a/rpython/rlib/test/test_rbigint.py
b/rpython/rlib/test/test_rbigint.py
--- a/rpython/rlib/test/test_rbigint.py
+++ b/rpython/rlib/test/test_rbigint.py
@@ -189,36 +189,43 @@
def test_pow(self):
for op1 in gen_signs(long_vals_not_too_big):
+ rl_op1 = rbigint.fromlong(op1)
for op2 in [0, 1, 2, 8, 9, 10, 11]:
- rl_op1 = rbigint.fromlong(op1)
rl_op2 = rbigint.fromint(op2)
r1 = rl_op1.pow(rl_op2)
r2 = op1 ** op2
assert r1.tolong() == r2
- r3 = rl_op1.int_pow(op2, rbigint.fromint(1000))
- r4 = pow(op1, op2, 1000)
- print op1, op2
- assert r3.tolong() == r4
+ for op3 in gen_signs([1, 2, 5, 1000,
12312312312312235659969696l]):
+ if not op3:
+ continue
+ print op1, op2, op3
+ r3 = rl_op1.pow(rl_op2, rbigint.fromlong(op3))
+ r4 = pow(op1, op2, op3)
+ assert r3.tolong() == r4
def test_int_pow(self):
- for op1 in gen_signs(long_vals_not_too_big[:-2]):
- for op2 in [0, 1, 2, 8, 9, 10, 11]:
- rl_op1 = rbigint.fromlong(op1)
+ for op1 in gen_signs(long_vals_not_too_big):
+ rl_op1 = rbigint.fromlong(op1)
+ for op2 in [0, 1, 2, 8, 9, 10, 11, 127, 128, 129]:
r1 = rl_op1.int_pow(op2)
r2 = op1 ** op2
assert r1.tolong() == r2
- r3 = rl_op1.int_pow(op2, rbigint.fromint(1000))
- r4 = pow(op1, op2, 1000)
- print op1, op2
- assert r3.tolong() == r4
+ for op3 in gen_signs(long_vals_not_too_big):
+ if not op3:
+ continue
+ r3 = rl_op1.int_pow(op2, rbigint.fromlong(op3))
+ r4 = pow(op1, op2, op3)
+ print op1, op2, op3
+ assert r3.tolong() == r4
def test_pow_raises(self):
r1 = rbigint.fromint(2)
r0 = rbigint.fromint(0)
py.test.raises(ValueError, r1.int_pow, 2, r0)
py.test.raises(ValueError, r1.pow, r1, r0)
+
def test_touint(self):
result = r_uint(sys.maxint + 42)
rl = rbigint.fromint(sys.maxint).add(rbigint.fromint(42))
@@ -865,7 +872,7 @@
y += randint(1, 1 << 60)
if y > x:
x <<= 100
-
+
f1 = rbigint.fromlong(x)
f2 = rbigint.fromlong(y)
div, rem = lobj._x_divrem(f1, f2)
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