From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Mon, 29 Jul 2019 13:18:26 +0000 (+0100)
Subject: add fpsqrt 16 coverage test
X-Git-Tag: ls180-24jan2020~682
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=eb58938610455da3a0c9ae4bf85bd168e06cf17b;p=ieee754fpu.git

add fpsqrt 16 coverage test
---

diff --git a/src/ieee754/fpdiv/test/sqrt_data16.py b/src/ieee754/fpdiv/test/sqrt_data16.py
new file mode 100644
index 00000000..d1a6740f
--- /dev/null
+++ b/src/ieee754/fpdiv/test/sqrt_data16.py
@@ -0,0 +1,9 @@
+def regressions():
+    yield 0x3686,
+    yield 0x4400,
+    yield 0x4800,
+    yield 0x48f0,
+    yield 0x429,
+    yield 0x2631,
+    yield 0x3001,
+
diff --git a/src/ieee754/fpdiv/test/test_fpsqrt_pipe_16.py b/src/ieee754/fpdiv/test/test_fpsqrt_pipe_16.py
new file mode 100644
index 00000000..e1709c36
--- /dev/null
+++ b/src/ieee754/fpdiv/test/test_fpsqrt_pipe_16.py
@@ -0,0 +1,27 @@
+""" test of FPDIVMuxInOut
+"""
+
+from ieee754.fpdiv.pipeline import (FPDIVMuxInOut,)
+from ieee754.fpcommon.test.case_gen import run_pipe_fp
+from ieee754.fpcommon.test import unit_test_half
+from ieee754.fpdiv.test.sqrt_data16 import regressions
+from ieee754.div_rem_sqrt_rsqrt.core import DivPipeCoreOperation
+
+import unittest
+from sfpy import Float16
+
+
+def sqrt(x):
+    return x.sqrt()
+
+
+class TestDivPipe(unittest.TestCase):
+    def test_pipe_sqrt_fp16(self):
+        dut = FPDIVMuxInOut(16, 4)
+        # don't forget to initialize opcode; don't use magic numbers
+        opcode = int(DivPipeCoreOperation.SqrtRem)
+        run_pipe_fp(dut, 16, "sqrt16", unit_test_half, Float16, regressions,
+                    sqrt, 100, single_op=True, opcode=opcode)
+
+if __name__ == '__main__':
+    unittest.main()