update comments

[ieee754fpu.git] / src / add / test_div.py

diff --git a/src/add/test_div.py b/src/add/test_div.py
index 803111231c98a9e991a46c7505076b66b731e528..3f1923384032b90db1235d4730a1e6f3eab61a61 100644 (file)
--- a/src/add/test_div.py
+++ b/src/add/test_div.py
@@ -1,6 +1,7 @@
 import sys
 from random import randint
 from random import seed
+from operator import truediv
 
 from nmigen import Module, Signal
 from nmigen.compat.sim import run_simulation
@@ -9,10 +10,14 @@ from nmigen_div_experiment import FPDIV
 
 from unit_test_single import (get_mantissa, get_exponent, get_sign, is_nan,
                                 is_inf, is_pos_inf, is_neg_inf,
-                                match, get_case, check_case, run_test)
+                                match, get_case, check_case, run_test,
+                                run_edge_cases, run_corner_cases)
 
 
 def testbench(dut):
+    yield from check_case(dut, 0x80000000, 0x00000000, 0xffc00000)
+    yield from check_case(dut, 0x00000000, 0x80000000, 0xffc00000)
+    yield from check_case(dut, 0x0002b017, 0xff3807ab, 0x80000000)
     yield from check_case(dut, 0x40000000, 0x3F800000, 0x40000000)
     yield from check_case(dut, 0x3F800000, 0x40000000, 0x3F000000)
     yield from check_case(dut, 0x3F800000, 0x40400000, 0x3EAAAAAB)
@@ -28,98 +33,12 @@ def testbench(dut):
     #regression tests
     stimulus_a = [0xbf9b1e94, 0x34082401, 0x5e8ef81, 0x5c75da81, 0x2b017]
     stimulus_b = [0xc038ed3a, 0xb328cd45, 0x114f3db, 0x2f642a39, 0xff3807ab]
-    yield from run_test(dut, stimulus_a, stimulus_b)
+    yield from run_test(dut, stimulus_a, stimulus_b, truediv, get_case)
     count += len(stimulus_a)
     print (count, "vectors passed")
 
-    #corner cases
-    from itertools import permutations
-    stimulus_a = [i[0] for i in permutations([0x80000000, 0x00000000, 0x7f800000, 0xff800000, 0x7fc00000, 0xffc00000], 2)]
-    stimulus_b = [i[1] for i in permutations([0x80000000, 0x00000000, 0x7f800000, 0xff800000, 0x7fc00000, 0xffc00000], 2)]
-    yield from run_test(dut, stimulus_a, stimulus_b)
-    count += len(stimulus_a)
-    print (count, "vectors passed")
-
-    #edge cases
-    stimulus_a = [0x80000000 for i in xrange(1000)]
-    stimulus_b = [randint(0, 1<<32) for i in xrange(1000)]
-    yield from run_test(dut, stimulus_a, stimulus_b)
-    count += len(stimulus_a)
-    print (count, "vectors passed")
-
-    stimulus_a = [0x00000000 for i in xrange(1000)]
-    stimulus_b = [randint(0, 1<<32) for i in xrange(1000)]
-    yield from run_test(dut, stimulus_a, stimulus_b)
-    count += len(stimulus_a)
-    print (count, "vectors passed")
-
-    stimulus_b = [0x80000000 for i in xrange(1000)]
-    stimulus_a = [randint(0, 1<<32) for i in xrange(1000)]
-    yield from run_test(dut, stimulus_a, stimulus_b)
-    count += len(stimulus_a)
-    print (count, "vectors passed")
-
-    stimulus_b = [0x00000000 for i in xrange(1000)]
-    stimulus_a = [randint(0, 1<<32) for i in xrange(1000)]
-    yield from run_test(dut, stimulus_a, stimulus_b)
-    count += len(stimulus_a)
-    print (count, "vectors passed")
-
-    stimulus_a = [0x7F800000 for i in xrange(1000)]
-    stimulus_b = [randint(0, 1<<32) for i in xrange(1000)]
-    yield from run_test(dut, stimulus_a, stimulus_b)
-    count += len(stimulus_a)
-    print (count, "vectors passed")
-
-    stimulus_a = [0xFF800000 for i in xrange(1000)]
-    stimulus_b = [randint(0, 1<<32) for i in xrange(1000)]
-    yield from run_test(dut, stimulus_a, stimulus_b)
-    count += len(stimulus_a)
-    print (count, "vectors passed")
-
-    stimulus_b = [0x7F800000 for i in xrange(1000)]
-    stimulus_a = [randint(0, 1<<32) for i in xrange(1000)]
-    yield from run_test(dut, stimulus_a, stimulus_b)
-    count += len(stimulus_a)
-    print (count, "vectors passed")
-
-    stimulus_b = [0xFF800000 for i in xrange(1000)]
-    stimulus_a = [randint(0, 1<<32) for i in xrange(1000)]
-    yield from run_test(dut, stimulus_a, stimulus_b)
-    count += len(stimulus_a)
-    print (count, "vectors passed")
-
-    stimulus_a = [0x7FC00000 for i in xrange(1000)]
-    stimulus_b = [randint(0, 1<<32) for i in xrange(1000)]
-    yield from run_test(dut, stimulus_a, stimulus_b)
-    count += len(stimulus_a)
-    print (count, "vectors passed")
-
-    stimulus_a = [0xFFC00000 for i in xrange(1000)]
-    stimulus_b = [randint(0, 1<<32) for i in xrange(1000)]
-    yield from run_test(dut, stimulus_a, stimulus_b)
-    count += len(stimulus_a)
-    print (count, "vectors passed")
-
-    stimulus_b = [0x7FC00000 for i in xrange(1000)]
-    stimulus_a = [randint(0, 1<<32) for i in xrange(1000)]
-    yield from run_test(dut, stimulus_a, stimulus_b)
-    count += len(stimulus_a)
-    print (count, "vectors passed")
-
-    stimulus_b = [0xFFC00000 for i in xrange(1000)]
-    stimulus_a = [randint(0, 1<<32) for i in xrange(1000)]
-    yield from run_test(dut, stimulus_a, stimulus_b)
-    count += len(stimulus_a)
-    print (count, "vectors passed")
-
-    #seed(0)
-    for i in xrange(100000):
-        stimulus_a = [randint(0, 1<<32) for i in xrange(1000)]
-        stimulus_b = [randint(0, 1<<32) for i in xrange(1000)]
-        yield from run_test(dut, stimulus_a, stimulus_b)
-        count += 1000
-        print (count, "random vectors passed")
+    yield from run_corner_cases(dut, count, truediv, get_case)
+    yield from run_edge_cases(dut, count, truediv, get_case)
 
 
 if __name__ == '__main__':