def equal(self): """ Test of __eq__ operators """ a1 = myokit.Number(4) a2 = myokit.Number(5) self.assertEqual(a1, a1) self.assertEqual(a1, myokit.Number(4)) self.assertEqual(a1, myokit.Number(4.0)) self.assertNotEqual(a1, a2) b1 = myokit.Name('test') b2 = myokit.Name('tost') self.assertEqual(b1, b1) self.assertNotEqual(b1, b2) c1 = myokit.PrefixPlus(a1) c2 = myokit.PrefixPlus(a1) self.assertEqual(c1, c1) self.assertEqual(c1, c2) c2 = myokit.PrefixPlus(a2) self.assertNotEqual(c1, c2) d1 = myokit.Plus(a1, a2) d2 = myokit.Plus(a1, a2) self.assertEqual(d1, d1) self.assertEqual(d1, d2) d2 = myokit.Plus(a2, a1) self.assertNotEqual(d2, d1) e1 = myokit.Sqrt(a1) e2 = myokit.Sqrt(a1) self.assertEqual(e1, e1) self.assertEqual(e1, e2) e2 = myokit.Sqrt(a2) self.assertNotEqual(e1, e2)
def test_arithmetic(self): # Test basic arithmetic a = myokit.Name(self.avar) b = myokit.Number('12', 'pF') ca = '<ci>a</ci>' cb = ('<cn cellml:units="picofarad">12.0</cn>') # Prefix plus x = myokit.PrefixPlus(b) self.assertWrite(x, '<apply><plus/>' + cb + '</apply>') # Prefix minus x = myokit.PrefixMinus(b) self.assertWrite(x, '<apply><minus/>' + cb + '</apply>') # Plus x = myokit.Plus(a, b) self.assertWrite(x, '<apply><plus/>' + ca + cb + '</apply>') # Minus x = myokit.Minus(a, b) self.assertWrite(x, '<apply><minus/>' + ca + cb + '</apply>') # Multiply x = myokit.Multiply(a, b) self.assertWrite(x, '<apply><times/>' + ca + cb + '</apply>') # Divide x = myokit.Divide(a, b) self.assertWrite(x, '<apply><divide/>' + ca + cb + '</apply>')
def test_arithmetic_unary(self): # Tests writing prefix operators # Prefix plus m = myokit.PrefixPlus(myokit.Number(1)) x = '<apply><plus/><cn>1.0</cn></apply>' self.assertWrite(m, x) # Prefix minus m = myokit.PrefixMinus(myokit.Number(1)) x = '<apply><minus/><cn>1.0</cn></apply>' self.assertWrite(m, x)
def test_arithmetic_unary(self): # Tests parsing basic arithmetic operators # Prefix plus e = myokit.PrefixPlus(myokit.Number(1)) x = '<apply><plus/><cn>1.0</cn></apply>' self.assertEqual(self.p(x), e) # Prefix minus e = myokit.PrefixMinus(myokit.Number(1)) x = '<apply><minus/><cn>1.0</cn></apply>' self.assertEqual(self.p(x), e)
def test_arithmetic_unary(self): # Tests writing prefix operators b = myokit.Number('12', 'pF') cb = '<mn>12.0</mn>' # Prefix plus x = myokit.PrefixPlus(b) self.assertWrite(x, '<mrow><mo>+</mo>' + cb + '</mrow>') # Prefix minus x = myokit.PrefixMinus(b) self.assertWrite(x, '<mrow><mo>-</mo>' + cb + '</mrow>')
def test_all(self): w = myokit.formats.python.PythonExpressionWriter() model = myokit.Model() component = model.add_component('c') avar = component.add_variable('a') # Name a = myokit.Name(avar) self.assertEqual(w.ex(a), 'c.a') # Number with unit b = myokit.Number('12', 'pF') self.assertEqual(w.ex(b), '12.0') # Prefix plus x = myokit.PrefixPlus(b) self.assertEqual(w.ex(x), '12.0') # Prefix minus x = myokit.PrefixMinus(b) self.assertEqual(w.ex(x), '(-12.0)') # Plus x = myokit.Plus(a, b) self.assertEqual(w.ex(x), 'c.a + 12.0') # Minus x = myokit.Minus(a, b) self.assertEqual(w.ex(x), 'c.a - 12.0') # Multiply x = myokit.Multiply(a, b) self.assertEqual(w.ex(x), 'c.a * 12.0') # Divide x = myokit.Divide(a, b) self.assertEqual(w.ex(x), 'c.a / 12.0') # Quotient x = myokit.Quotient(a, b) self.assertEqual(w.ex(x), 'c.a // 12.0') # Remainder x = myokit.Remainder(a, b) self.assertEqual(w.ex(x), 'c.a % 12.0') # Power x = myokit.Power(a, b) self.assertEqual(w.ex(x), 'c.a ** 12.0') # Sqrt x = myokit.Sqrt(b) self.assertEqual(w.ex(x), 'math.sqrt(12.0)') # Exp x = myokit.Exp(a) self.assertEqual(w.ex(x), 'math.exp(c.a)') # Log(a) x = myokit.Log(b) self.assertEqual(w.ex(x), 'math.log(12.0)') # Log(a, b) x = myokit.Log(a, b) self.assertEqual(w.ex(x), 'math.log(c.a, 12.0)') # Log10 x = myokit.Log10(b) self.assertEqual(w.ex(x), 'math.log10(12.0)') # Sin x = myokit.Sin(b) self.assertEqual(w.ex(x), 'math.sin(12.0)') # Cos x = myokit.Cos(b) self.assertEqual(w.ex(x), 'math.cos(12.0)') # Tan x = myokit.Tan(b) self.assertEqual(w.ex(x), 'math.tan(12.0)') # ASin x = myokit.ASin(b) self.assertEqual(w.ex(x), 'math.asin(12.0)') # ACos x = myokit.ACos(b) self.assertEqual(w.ex(x), 'math.acos(12.0)') # ATan x = myokit.ATan(b) self.assertEqual(w.ex(x), 'math.atan(12.0)') # Floor x = myokit.Floor(b) self.assertEqual(w.ex(x), 'math.floor(12.0)') # Ceil x = myokit.Ceil(b) self.assertEqual(w.ex(x), 'math.ceil(12.0)') # Abs x = myokit.Abs(b) self.assertEqual(w.ex(x), 'abs(12.0)') # Equal x = myokit.Equal(a, b) self.assertEqual(w.ex(x), '(c.a == 12.0)') # NotEqual x = myokit.NotEqual(a, b) self.assertEqual(w.ex(x), '(c.a != 12.0)') # More x = myokit.More(a, b) self.assertEqual(w.ex(x), '(c.a > 12.0)') # Less x = myokit.Less(a, b) self.assertEqual(w.ex(x), '(c.a < 12.0)') # MoreEqual x = myokit.MoreEqual(a, b) self.assertEqual(w.ex(x), '(c.a >= 12.0)') # LessEqual x = myokit.LessEqual(a, b) self.assertEqual(w.ex(x), '(c.a <= 12.0)') # Not cond1 = myokit.parse_expression('5 > 3') cond2 = myokit.parse_expression('2 < 1') x = myokit.Not(cond1) self.assertEqual(w.ex(x), 'not ((5.0 > 3.0))') # And x = myokit.And(cond1, cond2) self.assertEqual(w.ex(x), '((5.0 > 3.0) and (2.0 < 1.0))') # Or x = myokit.Or(cond1, cond2) self.assertEqual(w.ex(x), '((5.0 > 3.0) or (2.0 < 1.0))') # If x = myokit.If(cond1, a, b) self.assertEqual(w.ex(x), '(c.a if (5.0 > 3.0) else 12.0)') # Piecewise c = myokit.Number(1) x = myokit.Piecewise(cond1, a, cond2, b, c) self.assertEqual( w.ex(x), '(c.a if (5.0 > 3.0) else (12.0 if (2.0 < 1.0) else 1.0))') # Test fetching using ewriter method w = myokit.formats.ewriter('python') self.assertIsInstance(w, myokit.formats.python.PythonExpressionWriter) # Test lhs method w.set_lhs_function(lambda x: 'sheep') self.assertEqual(w.ex(a), 'sheep') # Test without a Myokit expression self.assertRaisesRegex(ValueError, 'Unknown expression type', w.ex, 7)
def test_all(self): w = myokit.formats.matlab.MatlabExpressionWriter() model = myokit.Model() component = model.add_component('c') avar = component.add_variable('a') # Name a = myokit.Name(avar) self.assertEqual(w.ex(a), 'c.a') # Number with unit b = myokit.Number('12', 'pF') self.assertEqual(w.ex(b), '12.0') # Prefix plus x = myokit.PrefixPlus(b) self.assertEqual(w.ex(x), '12.0') # Prefix minus x = myokit.PrefixMinus(b) self.assertEqual(w.ex(x), '(-12.0)') # Plus x = myokit.Plus(a, b) self.assertEqual(w.ex(x), 'c.a + 12.0') # Minus x = myokit.Minus(a, b) self.assertEqual(w.ex(x), 'c.a - 12.0') # Multiply x = myokit.Multiply(a, b) self.assertEqual(w.ex(x), 'c.a * 12.0') # Divide x = myokit.Divide(a, b) self.assertEqual(w.ex(x), 'c.a / 12.0') # Quotient x = myokit.Quotient(a, b) self.assertEqual(w.ex(x), 'floor(c.a / 12.0)') # Remainder x = myokit.Remainder(a, b) self.assertEqual(w.ex(x), 'mod(c.a, 12.0)') # Power x = myokit.Power(a, b) self.assertEqual(w.ex(x), 'c.a ^ 12.0') # Sqrt x = myokit.Sqrt(b) self.assertEqual(w.ex(x), 'sqrt(12.0)') # Exp x = myokit.Exp(a) self.assertEqual(w.ex(x), 'exp(c.a)') # Log(a) x = myokit.Log(b) self.assertEqual(w.ex(x), 'log(12.0)') # Log(a, b) x = myokit.Log(a, b) self.assertEqual(w.ex(x), '(log(c.a) / log(12.0))') # Log10 x = myokit.Log10(b) self.assertEqual(w.ex(x), 'log10(12.0)') # Sin x = myokit.Sin(b) self.assertEqual(w.ex(x), 'sin(12.0)') # Cos x = myokit.Cos(b) self.assertEqual(w.ex(x), 'cos(12.0)') # Tan x = myokit.Tan(b) self.assertEqual(w.ex(x), 'tan(12.0)') # ASin x = myokit.ASin(b) self.assertEqual(w.ex(x), 'asin(12.0)') # ACos x = myokit.ACos(b) self.assertEqual(w.ex(x), 'acos(12.0)') # ATan x = myokit.ATan(b) self.assertEqual(w.ex(x), 'atan(12.0)') # Floor x = myokit.Floor(b) self.assertEqual(w.ex(x), 'floor(12.0)') # Ceil x = myokit.Ceil(b) self.assertEqual(w.ex(x), 'ceil(12.0)') # Abs x = myokit.Abs(b) self.assertEqual(w.ex(x), 'abs(12.0)') # Equal x = myokit.Equal(a, b) self.assertEqual(w.ex(x), '(c.a == 12.0)') # NotEqual x = myokit.NotEqual(a, b) self.assertEqual(w.ex(x), '(c.a != 12.0)') # More x = myokit.More(a, b) self.assertEqual(w.ex(x), '(c.a > 12.0)') # Less x = myokit.Less(a, b) self.assertEqual(w.ex(x), '(c.a < 12.0)') # MoreEqual x = myokit.MoreEqual(a, b) self.assertEqual(w.ex(x), '(c.a >= 12.0)') # LessEqual x = myokit.LessEqual(a, b) self.assertEqual(w.ex(x), '(c.a <= 12.0)') # Not cond1 = myokit.parse_expression('5 > 3') cond2 = myokit.parse_expression('2 < 1') x = myokit.Not(cond1) self.assertEqual(w.ex(x), '!((5.0 > 3.0))') # And x = myokit.And(cond1, cond2) self.assertEqual(w.ex(x), '((5.0 > 3.0) && (2.0 < 1.0))') # Or x = myokit.Or(cond1, cond2) self.assertEqual(w.ex(x), '((5.0 > 3.0) || (2.0 < 1.0))') # If (custom function) x = myokit.If(cond1, a, b) self.assertEqual(w.ex(x), 'ifthenelse((5.0 > 3.0), c.a, 12.0)') # Piecewise c = myokit.Number(1) x = myokit.Piecewise(cond1, a, cond2, b, c) self.assertEqual( w.ex(x), 'ifthenelse((5.0 > 3.0), c.a, ifthenelse((2.0 < 1.0), 12.0, 1.0))') # Test fetching using ewriter method w = myokit.formats.ewriter('matlab') self.assertIsInstance(w, myokit.formats.matlab.MatlabExpressionWriter) # Test without a Myokit expression self.assertRaisesRegex(ValueError, 'Unknown expression type', w.ex, 7)
def test_all(self): w = myokit.formats.latex.LatexExpressionWriter() model = myokit.Model() component = model.add_component('c') avar = component.add_variable('a') # Model needs to be validated --> sets unames avar.set_rhs(12) avar.set_binding('time') model.validate() # Name a = myokit.Name(avar) self.assertEqual(w.ex(a), '\\text{a}') # Number with unit b = myokit.Number('12', 'pF') self.assertEqual(w.ex(b), '12.0') # Prefix plus x = myokit.PrefixPlus(b) self.assertEqual(w.ex(x), '12.0') # Prefix minus x = myokit.PrefixMinus(b) self.assertEqual(w.ex(x), '\\left(-12.0\\right)') # Prefix minus with bracket x = myokit.PrefixMinus(myokit.Plus(a, b)) self.assertEqual(w.ex(x), '\\left(-\\left(\\text{a}+12.0\\right)\\right)') # Plus x = myokit.Plus(a, b) self.assertEqual(w.ex(x), '\\text{a}+12.0') # Minus x = myokit.Minus(a, b) self.assertEqual(w.ex(x), '\\text{a}-12.0') # Multiply x = myokit.Multiply(a, b) self.assertEqual(w.ex(x), '\\text{a}*12.0') # Divide x = myokit.Divide(a, b) self.assertEqual(w.ex(x), '\\frac{\\text{a}}{12.0}') # Quotient # Not supported in latex! x = myokit.Quotient(a, b) self.assertEqual( w.ex(x), '\\left\\lfloor\\frac{\\text{a}}{12.0}\\right\\rfloor') # Remainder x = myokit.Remainder(a, b) self.assertEqual(w.ex(x), '\\bmod\\left(\\text{a},12.0\\right)') # Power x = myokit.Power(a, b) self.assertEqual(w.ex(x), '\\text{a}^{12.0}') # Power with brackets x = myokit.Power(myokit.Plus(a, b), b) self.assertEqual(w.ex(x), '\\left(\\text{a}+12.0\\right)^{12.0}') # Sqrt x = myokit.Sqrt(b) self.assertEqual(w.ex(x), '\\sqrt{12.0}') # Exp x = myokit.Exp(a) self.assertEqual(w.ex(x), '\\exp\\left(\\text{a}\\right)') # Log(a) x = myokit.Log(b) self.assertEqual(w.ex(x), '\\log\\left(12.0\\right)') # Log(a, b) x = myokit.Log(a, b) self.assertEqual(w.ex(x), '\\log_{12.0}\\left(\\text{a}\\right)') # Log10 x = myokit.Log10(b) self.assertEqual(w.ex(x), '\\log_{10.0}\\left(12.0\\right)') # Sin x = myokit.Sin(b) self.assertEqual(w.ex(x), '\\sin\\left(12.0\\right)') # Cos x = myokit.Cos(b) self.assertEqual(w.ex(x), '\\cos\\left(12.0\\right)') # Tan x = myokit.Tan(b) self.assertEqual(w.ex(x), '\\tan\\left(12.0\\right)') # ASin x = myokit.ASin(b) self.assertEqual(w.ex(x), '\\arcsin\\left(12.0\\right)') # ACos x = myokit.ACos(b) self.assertEqual(w.ex(x), '\\arccos\\left(12.0\\right)') # ATan x = myokit.ATan(b) self.assertEqual(w.ex(x), '\\arctan\\left(12.0\\right)') # Floor x = myokit.Floor(b) self.assertEqual(w.ex(x), '\\left\\lfloor{12.0}\\right\\rfloor') # Ceil x = myokit.Ceil(b) self.assertEqual(w.ex(x), '\\left\\lceil{12.0}\\right\\rceil') # Abs x = myokit.Abs(b) self.assertEqual(w.ex(x), '\\lvert{12.0}\\rvert') # Equal x = myokit.Equal(a, b) self.assertEqual(w.ex(x), '\\left(\\text{a}=12.0\\right)') # NotEqual x = myokit.NotEqual(a, b) self.assertEqual(w.ex(x), '\\left(\\text{a}\\neq12.0\\right)') # More x = myokit.More(a, b) self.assertEqual(w.ex(x), '\\left(\\text{a}>12.0\\right)') # Less x = myokit.Less(a, b) self.assertEqual(w.ex(x), '\\left(\\text{a}<12.0\\right)') # MoreEqual x = myokit.MoreEqual(a, b) self.assertEqual(w.ex(x), '\\left(\\text{a}\\geq12.0\\right)') # LessEqual x = myokit.LessEqual(a, b) self.assertEqual(w.ex(x), '\\left(\\text{a}\\leq12.0\\right)') # Not cond1 = myokit.parse_expression('5 > 3') cond2 = myokit.parse_expression('2 < 1') x = myokit.Not(cond1) self.assertEqual(w.ex(x), '\\not\\left(\\left(5.0>3.0\\right)\\right)') # And x = myokit.And(cond1, cond2) self.assertEqual( w.ex(x), '\\left(\\left(5.0>3.0\\right)\\and' '\\left(2.0<1.0\\right)\\right)') # Or x = myokit.Or(cond1, cond2) self.assertEqual( w.ex(x), '\\left(\\left(5.0>3.0\\right)\\or' '\\left(2.0<1.0\\right)\\right)') # If x = myokit.If(cond1, a, b) self.assertEqual( w.ex(x), 'if\\left(\\left(5.0>3.0\\right),\\text{a},12.0\\right)') # Piecewise c = myokit.Number(1) x = myokit.Piecewise(cond1, a, cond2, b, c) self.assertEqual( w.ex(x), 'piecewise\\left(\\left(5.0>3.0\\right),\\text{a},' '\\left(2.0<1.0\\right),12.0,1.0\\right)') # Test fetching using ewriter method w = myokit.formats.ewriter('latex') self.assertIsInstance(w, myokit.formats.latex.LatexExpressionWriter) # Test without a Myokit expression self.assertRaisesRegex(ValueError, 'Unknown expression type', w.ex, 7)
def test_all(self): # Single and double precision ws = myokit.formats.cuda.CudaExpressionWriter() wd = myokit.formats.cuda.CudaExpressionWriter(myokit.DOUBLE_PRECISION) model = myokit.Model() component = model.add_component('c') avar = component.add_variable('a') # Name a = myokit.Name(avar) self.assertEqual(ws.ex(a), 'c.a') self.assertEqual(wd.ex(a), 'c.a') # Number with unit b = myokit.Number('12', 'pF') self.assertEqual(ws.ex(b), '12.0f') self.assertEqual(wd.ex(b), '12.0') # Prefix plus x = myokit.PrefixPlus(b) self.assertEqual(ws.ex(x), '12.0f') self.assertEqual(wd.ex(x), '12.0') # Prefix minus x = myokit.PrefixMinus(b) self.assertEqual(ws.ex(x), '(-12.0f)') self.assertEqual(wd.ex(x), '(-12.0)') # Plus x = myokit.Plus(a, b) self.assertEqual(ws.ex(x), 'c.a + 12.0f') self.assertEqual(wd.ex(x), 'c.a + 12.0') # Minus x = myokit.Minus(a, b) self.assertEqual(ws.ex(x), 'c.a - 12.0f') self.assertEqual(wd.ex(x), 'c.a - 12.0') # Multiply x = myokit.Multiply(a, b) self.assertEqual(ws.ex(x), 'c.a * 12.0f') self.assertEqual(wd.ex(x), 'c.a * 12.0') # Divide x = myokit.Divide(a, b) self.assertEqual(ws.ex(x), 'c.a / 12.0f') self.assertEqual(wd.ex(x), 'c.a / 12.0') # Quotient x = myokit.Quotient(a, b) self.assertEqual(ws.ex(x), 'floorf(c.a / 12.0f)') self.assertEqual(wd.ex(x), 'floor(c.a / 12.0)') # Remainder x = myokit.Remainder(a, b) self.assertEqual(ws.ex(x), 'c.a - 12.0f * (floorf(c.a / 12.0f))') self.assertEqual(wd.ex(x), 'c.a - 12.0 * (floor(c.a / 12.0))') # Power x = myokit.Power(a, b) self.assertEqual(ws.ex(x), 'powf(c.a, 12.0f)') self.assertEqual(wd.ex(x), 'pow(c.a, 12.0)') # Square x = myokit.Power(a, myokit.Number(2)) self.assertEqual(ws.ex(x), '(c.a * c.a)') self.assertEqual(wd.ex(x), '(c.a * c.a)') # Square with brackets x = myokit.Power(myokit.Plus(a, b), myokit.Number(2)) self.assertEqual(ws.ex(x), '((c.a + 12.0f) * (c.a + 12.0f))') self.assertEqual(wd.ex(x), '((c.a + 12.0) * (c.a + 12.0))') # Sqrt x = myokit.Sqrt(b) self.assertEqual(ws.ex(x), 'sqrtf(12.0f)') self.assertEqual(wd.ex(x), 'sqrt(12.0)') # Exp x = myokit.Exp(a) self.assertEqual(ws.ex(x), 'expf(c.a)') self.assertEqual(wd.ex(x), 'exp(c.a)') # Log(a) x = myokit.Log(b) self.assertEqual(ws.ex(x), 'logf(12.0f)') self.assertEqual(wd.ex(x), 'log(12.0)') # Log(a, b) x = myokit.Log(a, b) self.assertEqual(ws.ex(x), '(logf(c.a) / logf(12.0f))') self.assertEqual(wd.ex(x), '(log(c.a) / log(12.0))') # Log10 x = myokit.Log10(b) self.assertEqual(ws.ex(x), 'log10f(12.0f)') self.assertEqual(wd.ex(x), 'log10(12.0)') # Sin x = myokit.Sin(b) self.assertEqual(ws.ex(x), 'sinf(12.0f)') self.assertEqual(wd.ex(x), 'sin(12.0)') # Cos x = myokit.Cos(b) self.assertEqual(ws.ex(x), 'cosf(12.0f)') self.assertEqual(wd.ex(x), 'cos(12.0)') # Tan x = myokit.Tan(b) self.assertEqual(ws.ex(x), 'tanf(12.0f)') self.assertEqual(wd.ex(x), 'tan(12.0)') # ASin x = myokit.ASin(b) self.assertEqual(ws.ex(x), 'asinf(12.0f)') self.assertEqual(wd.ex(x), 'asin(12.0)') # ACos x = myokit.ACos(b) self.assertEqual(ws.ex(x), 'acosf(12.0f)') self.assertEqual(wd.ex(x), 'acos(12.0)') # ATan x = myokit.ATan(b) self.assertEqual(ws.ex(x), 'atanf(12.0f)') self.assertEqual(wd.ex(x), 'atan(12.0)') # Floor x = myokit.Floor(b) self.assertEqual(ws.ex(x), 'floorf(12.0f)') self.assertEqual(wd.ex(x), 'floor(12.0)') # Ceil x = myokit.Ceil(b) self.assertEqual(ws.ex(x), 'ceilf(12.0f)') self.assertEqual(wd.ex(x), 'ceil(12.0)') # Abs x = myokit.Abs(b) self.assertEqual(ws.ex(x), 'fabsf(12.0f)') self.assertEqual(wd.ex(x), 'fabs(12.0)') # Equal x = myokit.Equal(a, b) self.assertEqual(ws.ex(x), '(c.a == 12.0f)') self.assertEqual(wd.ex(x), '(c.a == 12.0)') # NotEqual x = myokit.NotEqual(a, b) self.assertEqual(ws.ex(x), '(c.a != 12.0f)') self.assertEqual(wd.ex(x), '(c.a != 12.0)') # More x = myokit.More(a, b) self.assertEqual(ws.ex(x), '(c.a > 12.0f)') self.assertEqual(wd.ex(x), '(c.a > 12.0)') # Less x = myokit.Less(a, b) self.assertEqual(ws.ex(x), '(c.a < 12.0f)') self.assertEqual(wd.ex(x), '(c.a < 12.0)') # MoreEqual x = myokit.MoreEqual(a, b) self.assertEqual(ws.ex(x), '(c.a >= 12.0f)') self.assertEqual(wd.ex(x), '(c.a >= 12.0)') # LessEqual x = myokit.LessEqual(a, b) self.assertEqual(ws.ex(x), '(c.a <= 12.0f)') self.assertEqual(wd.ex(x), '(c.a <= 12.0)') # Not cond1 = myokit.parse_expression('5 > 3') cond2 = myokit.parse_expression('2 < 1') x = myokit.Not(cond1) self.assertEqual(ws.ex(x), '!((5.0f > 3.0f))') self.assertEqual(wd.ex(x), '!((5.0 > 3.0))') # And x = myokit.And(cond1, cond2) self.assertEqual(ws.ex(x), '((5.0f > 3.0f) && (2.0f < 1.0f))') self.assertEqual(wd.ex(x), '((5.0 > 3.0) && (2.0 < 1.0))') # Or x = myokit.Or(cond1, cond2) self.assertEqual(ws.ex(x), '((5.0f > 3.0f) || (2.0f < 1.0f))') self.assertEqual(wd.ex(x), '((5.0 > 3.0) || (2.0 < 1.0))') # If x = myokit.If(cond1, a, b) self.assertEqual(ws.ex(x), '((5.0f > 3.0f) ? c.a : 12.0f)') self.assertEqual(wd.ex(x), '((5.0 > 3.0) ? c.a : 12.0)') # Piecewise c = myokit.Number(1) x = myokit.Piecewise(cond1, a, cond2, b, c) self.assertEqual( ws.ex(x), '((5.0f > 3.0f) ? c.a : ((2.0f < 1.0f) ? 12.0f : 1.0f))') self.assertEqual(wd.ex(x), '((5.0 > 3.0) ? c.a : ((2.0 < 1.0) ? 12.0 : 1.0))') # Test fetching using ewriter method w = myokit.formats.ewriter('cuda') self.assertIsInstance(w, myokit.formats.cuda.CudaExpressionWriter) # Test without a Myokit expression self.assertRaisesRegex(ValueError, 'Unknown expression type', w.ex, 7)
def test_basic(self): # Single and double precision and native maths ws = myokit.formats.opencl.OpenCLExpressionWriter() wd = myokit.formats.opencl.OpenCLExpressionWriter( myokit.DOUBLE_PRECISION) wn = myokit.formats.opencl.OpenCLExpressionWriter(native_math=False) a = myokit.Name(myokit.Model().add_component('c').add_variable('a')) b = myokit.Number('12', 'pF') # Name self.assertEqual(ws.ex(a), 'c.a') self.assertEqual(wd.ex(a), 'c.a') self.assertEqual(wn.ex(a), 'c.a') # Number with unit self.assertEqual(ws.ex(b), '12.0f') self.assertEqual(wd.ex(b), '12.0') self.assertEqual(wn.ex(b), '12.0f') # Prefix plus x = myokit.PrefixPlus(b) self.assertEqual(ws.ex(x), '12.0f') self.assertEqual(wd.ex(x), '12.0') self.assertEqual(wn.ex(x), '12.0f') # Prefix minus x = myokit.PrefixMinus(b) self.assertEqual(ws.ex(x), '(-12.0f)') self.assertEqual(wd.ex(x), '(-12.0)') self.assertEqual(wn.ex(x), '(-12.0f)') # Plus x = myokit.Plus(a, b) self.assertEqual(ws.ex(x), 'c.a + 12.0f') self.assertEqual(wd.ex(x), 'c.a + 12.0') self.assertEqual(wn.ex(x), 'c.a + 12.0f') # Minus x = myokit.Minus(a, b) self.assertEqual(ws.ex(x), 'c.a - 12.0f') self.assertEqual(wd.ex(x), 'c.a - 12.0') self.assertEqual(wn.ex(x), 'c.a - 12.0f') # Multiply x = myokit.Multiply(a, b) self.assertEqual(ws.ex(x), 'c.a * 12.0f') self.assertEqual(wd.ex(x), 'c.a * 12.0') self.assertEqual(wn.ex(x), 'c.a * 12.0f') # Divide x = myokit.Divide(a, b) self.assertEqual(ws.ex(x), 'c.a / 12.0f') self.assertEqual(wd.ex(x), 'c.a / 12.0') self.assertEqual(wn.ex(x), 'c.a / 12.0f') # Quotient x = myokit.Quotient(a, b) self.assertEqual(ws.ex(x), 'floor(c.a / 12.0f)') self.assertEqual(wd.ex(x), 'floor(c.a / 12.0)') self.assertEqual(wn.ex(x), 'floor(c.a / 12.0f)') # Remainder x = myokit.Remainder(a, b) self.assertEqual(ws.ex(x), 'c.a - 12.0f * (floor(c.a / 12.0f))') self.assertEqual(wd.ex(x), 'c.a - 12.0 * (floor(c.a / 12.0))') self.assertEqual(wn.ex(x), 'c.a - 12.0f * (floor(c.a / 12.0f))')
def test_reader_writer(self): # Test using the proper reader/writer try: import sympy as sp except ImportError: print('Sympy not found, skipping test.') return # Create writer and reader w = mypy.SymPyExpressionWriter() r = mypy.SymPyExpressionReader(self._model) # Name a = self._a ca = sp.Symbol('c.a') self.assertEqual(w.ex(a), ca) self.assertEqual(r.ex(ca), a) # Number with unit b = myokit.Number('12', 'pF') cb = sp.Float(12) self.assertEqual(w.ex(b), cb) # Note: Units are lost in sympy im/ex-port! #self.assertEqual(r.ex(cb), b) # Number without unit b = myokit.Number('12') cb = sp.Float(12) self.assertEqual(w.ex(b), cb) self.assertEqual(r.ex(cb), b) # Prefix plus x = myokit.PrefixPlus(b) self.assertEqual(w.ex(x), cb) # Note: Sympy doesn't seem to have a prefix plus self.assertEqual(r.ex(cb), b) # Prefix minus # Note: SymPy treats -x as Mul(NegativeOne, x) # But for numbers just returns a number with a negative value x = myokit.PrefixMinus(b) self.assertEqual(w.ex(x), -cb) self.assertEqual(float(r.ex(-cb)), float(x)) # Plus x = myokit.Plus(a, b) self.assertEqual(w.ex(x), ca + cb) # Note: SymPy likes to re-order the operands... self.assertEqual(float(r.ex(ca + cb)), float(x)) # Minus x = myokit.Minus(a, b) self.assertEqual(w.ex(x), ca - cb) self.assertEqual(float(r.ex(ca - cb)), float(x)) # Multiply x = myokit.Multiply(a, b) self.assertEqual(w.ex(x), ca * cb) self.assertEqual(float(r.ex(ca * cb)), float(x)) # Divide x = myokit.Divide(a, b) self.assertEqual(w.ex(x), ca / cb) self.assertEqual(float(r.ex(ca / cb)), float(x)) # Quotient x = myokit.Quotient(a, b) self.assertEqual(w.ex(x), ca // cb) self.assertEqual(float(r.ex(ca // cb)), float(x)) # Remainder x = myokit.Remainder(a, b) self.assertEqual(w.ex(x), ca % cb) self.assertEqual(float(r.ex(ca % cb)), float(x)) # Power x = myokit.Power(a, b) self.assertEqual(w.ex(x), ca**cb) self.assertEqual(float(r.ex(ca**cb)), float(x)) # Sqrt x = myokit.Sqrt(a) cx = sp.sqrt(ca) self.assertEqual(w.ex(x), cx) # Note: SymPy converts sqrt to power self.assertEqual(float(r.ex(cx)), float(x)) # Exp x = myokit.Exp(a) cx = sp.exp(ca) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # Log(a) x = myokit.Log(a) cx = sp.log(ca) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # Log(a, b) x = myokit.Log(a, b) cx = sp.log(ca, cb) self.assertEqual(w.ex(x), cx) self.assertEqual(float(r.ex(cx)), float(x)) # Log10 x = myokit.Log10(b) cx = sp.log(cb, 10) self.assertEqual(w.ex(x), cx) self.assertAlmostEqual(float(r.ex(cx)), float(x)) # Sin x = myokit.Sin(a) cx = sp.sin(ca) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # Cos x = myokit.Cos(a) cx = sp.cos(ca) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # Tan x = myokit.Tan(a) cx = sp.tan(ca) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # ASin x = myokit.ASin(a) cx = sp.asin(ca) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # ACos x = myokit.ACos(a) cx = sp.acos(ca) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # ATan x = myokit.ATan(a) cx = sp.atan(ca) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # Floor x = myokit.Floor(a) cx = sp.floor(ca) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # Ceil x = myokit.Ceil(a) cx = sp.ceiling(ca) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # Abs x = myokit.Abs(a) cx = sp.Abs(ca) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # Equal x = myokit.Equal(a, b) cx = sp.Eq(ca, cb) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # NotEqual x = myokit.NotEqual(a, b) cx = sp.Ne(ca, cb) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # More x = myokit.More(a, b) cx = sp.Gt(ca, cb) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # Less x = myokit.Less(a, b) cx = sp.Lt(ca, cb) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # MoreEqual x = myokit.MoreEqual(a, b) cx = sp.Ge(ca, cb) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # LessEqual x = myokit.LessEqual(a, b) cx = sp.Le(ca, cb) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # Not x = myokit.Not(a) cx = sp.Not(ca) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # And cond1 = myokit.More(a, b) cond2 = myokit.Less(a, b) c1 = sp.Gt(ca, cb) c2 = sp.Lt(ca, cb) x = myokit.And(cond1, cond2) cx = sp.And(c1, c2) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # Or x = myokit.Or(cond1, cond2) cx = sp.Or(c1, c2) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # If # Note: sympy only does piecewise, not if x = myokit.If(cond1, a, b) cx = sp.Piecewise((ca, c1), (cb, True)) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x.piecewise()) # Piecewise c = myokit.Number(1) cc = sp.Float(1) x = myokit.Piecewise(cond1, a, cond2, b, c) cx = sp.Piecewise((ca, c1), (cb, c2), (cc, True)) self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # Myokit piecewise's (like CellML's) always have a final True # condition (i.e. an 'else'). SymPy doesn't require this, so test if # we can import this --> It will add an "else 0" x = myokit.Piecewise(cond1, a, myokit.Number(0)) cx = sp.Piecewise((ca, c1)) self.assertEqual(r.ex(cx), x) # SymPy function without Myokit equivalent --> Should raise exception cu = sp.principal_branch(cx, cc) self.assertRaisesRegex(ValueError, 'Unsupported type', r.ex, cu) # Derivative m = self._model.clone() avar = m.get('c.a') r = mypy.SymPyExpressionReader(self._model) avar.promote(4) x = myokit.Derivative(self._a) cx = sp.symbols('dot(c.a)') self.assertEqual(w.ex(x), cx) self.assertEqual(r.ex(cx), x) # Equation e = myokit.Equation(a, b) ce = sp.Eq(ca, cb) self.assertEqual(w.eq(e), ce) # There's no backwards equivalent for this! # The ereader can handle it, but it becomes and Equals expression. # Test sympy division del (m, avar, x, cx, e, ce) a = self._model.get('c.a') b = self._model.get('c').add_variable('bbb') b.set_rhs('1 / a') e = b.rhs() ce = w.ex(b.rhs()) e = r.ex(ce) self.assertEqual( e, myokit.Multiply(myokit.Number(1), myokit.Power(myokit.Name(a), myokit.Number(-1)))) # Test sympy negative numbers a = self._model.get('c.a') e1 = myokit.PrefixMinus(myokit.Name(a)) ce = w.ex(e1) e2 = r.ex(ce) self.assertEqual(e1, e2)
def test_all(self): w = myokit.formats.ewriter('easyml') model = myokit.Model() component = model.add_component('c') avar = component.add_variable('a') # Name a = myokit.Name(avar) self.assertEqual(w.ex(a), 'c.a') # Number with unit b = myokit.Number('12', 'pF') self.assertEqual(w.ex(b), '12.0') # Integer c = myokit.Number(1) self.assertEqual(w.ex(c), '1.0') # Integer # Prefix plus x = myokit.PrefixPlus(b) self.assertEqual(w.ex(x), '12.0') # Prefix minus x = myokit.PrefixMinus(b) self.assertEqual(w.ex(x), '(-12.0)') # Plus x = myokit.Plus(a, b) self.assertEqual(w.ex(x), 'c.a + 12.0') # Minus x = myokit.Minus(a, b) self.assertEqual(w.ex(x), 'c.a - 12.0') # Multiply x = myokit.Multiply(a, b) self.assertEqual(w.ex(x), 'c.a * 12.0') # Divide x = myokit.Divide(a, b) self.assertEqual(w.ex(x), 'c.a / 12.0') # Quotient x = myokit.Quotient(a, b) with WarningCollector() as c: self.assertEqual(w.ex(x), 'floor(c.a / 12.0)') # Remainder x = myokit.Remainder(a, b) with WarningCollector() as c: self.assertEqual(w.ex(x), 'c.a - 12.0 * (floor(c.a / 12.0))') # Power x = myokit.Power(a, b) self.assertEqual(w.ex(x), 'pow(c.a, 12.0)') # Sqrt x = myokit.Sqrt(b) self.assertEqual(w.ex(x), 'sqrt(12.0)') # Exp x = myokit.Exp(a) self.assertEqual(w.ex(x), 'exp(c.a)') # Log(a) x = myokit.Log(b) self.assertEqual(w.ex(x), 'log(12.0)') # Log(a, b) x = myokit.Log(a, b) self.assertEqual(w.ex(x), '(log(c.a) / log(12.0))') # Log10 x = myokit.Log10(b) self.assertEqual(w.ex(x), 'log10(12.0)') # Sin with WarningCollector() as c: x = myokit.Sin(b) self.assertEqual(w.ex(x), 'sin(12.0)') # Cos x = myokit.Cos(b) self.assertEqual(w.ex(x), 'cos(12.0)') # Tan x = myokit.Tan(b) self.assertEqual(w.ex(x), 'tan(12.0)') # ASin x = myokit.ASin(b) self.assertEqual(w.ex(x), 'asin(12.0)') # ACos x = myokit.ACos(b) self.assertEqual(w.ex(x), 'acos(12.0)') # ATan x = myokit.ATan(b) self.assertEqual(w.ex(x), 'atan(12.0)') with WarningCollector() as c: # Floor x = myokit.Floor(b) self.assertEqual(w.ex(x), 'floor(12.0)') # Ceil x = myokit.Ceil(b) self.assertEqual(w.ex(x), 'ceil(12.0)') # Abs x = myokit.Abs(b) self.assertEqual(w.ex(x), 'fabs(12.0)') # Equal x = myokit.Equal(a, b) self.assertEqual(w.ex(x), '(c.a == 12.0)') # NotEqual x = myokit.NotEqual(a, b) self.assertEqual(w.ex(x), '(c.a != 12.0)') # More x = myokit.More(a, b) self.assertEqual(w.ex(x), '(c.a > 12.0)') # Less x = myokit.Less(a, b) self.assertEqual(w.ex(x), '(c.a < 12.0)') # MoreEqual x = myokit.MoreEqual(a, b) self.assertEqual(w.ex(x), '(c.a >= 12.0)') # LessEqual x = myokit.LessEqual(a, b) self.assertEqual(w.ex(x), '(c.a <= 12.0)') # Not cond1 = myokit.parse_expression('5 > 3') cond2 = myokit.parse_expression('2 < 1') x = myokit.Not(cond1) self.assertEqual(w.ex(x), '!((5.0 > 3.0))') # And x = myokit.And(cond1, cond2) self.assertEqual(w.ex(x), '((5.0 > 3.0) and (2.0 < 1.0))') # Or x = myokit.Or(cond1, cond2) self.assertEqual(w.ex(x), '((5.0 > 3.0) or (2.0 < 1.0))') # If x = myokit.If(cond1, a, b) self.assertEqual(w.ex(x), '((5.0 > 3.0) ? c.a : 12.0)') # Piecewise c = myokit.Number(1) x = myokit.Piecewise(cond1, a, cond2, b, c) self.assertEqual(w.ex(x), '((5.0 > 3.0) ? c.a : ((2.0 < 1.0) ? 12.0 : 1.0))') # Test without a Myokit expression self.assertRaisesRegex(ValueError, 'Unknown expression type', w.ex, 7)