calculate value

jborbely · Sep 7, 2024 · cc36809 · cc36809
1 parent 7874fb1
commit cc36809
Showing 1 changed file with 15 additions and 3 deletions.
diff --git a/tests/test_dummy.py b/tests/test_dummy.py
@@ -1,16 +1,28 @@
+import math
+
 from ctypes import *
 
+import pytest
+
 def test_roszman1():
 
     lib = CDLL('./Roszman1_x64.so')
 
     buffer = create_string_buffer(256)
     lib.GetFunctionName(buffer)
-    assert buffer.value == "f1: Roszman1 f1=a1-a2*x-arctan(a3/(x-a4))/pi"
+    assert buffer.value.decode() == "f1: Roszman1 f1=a1-a2*x-arctan(a3/(x-a4))/pi"
 
     num = c_int()
     lib.GetNumParameters(byref(num))
-    assert num.value == 3
+    assert num.value == 4
 
     lib.GetNumVariables(byref(num))
-    assert num.value == 2
+    assert num.value == 1
+
+    x = -4868.68
+    a1, a2, a3, a4 = (0.2, -6e-6, 1.2e3, -1.8e2)
+    x_c = c_double(x)
+    a = (c_double * 4)(a1, a2, a3, a4)
+    y = c_double()
+    lib.GetFunctionValue(byref(x_c), byref(a), byref(y))
+    assert y.value == a1-a2*x-math.arctan(a3/(x-a4))/math.pi