def log1p(expr):
# Use trick to compute log1p for small values more accurate
# https://www.johndcook.com/blog/2012/07/25/trick-for-computing-log1x/
expr = ast.IdExpr(expr, to_reuse=True)
expr1p = utils.add(ast.NumVal(1.0), expr, to_reuse=True)
expr1pm1 = utils.sub(expr1p, ast.NumVal(1.0), to_reuse=True)
return ast.IfExpr(
utils.eq(expr1pm1, ast.NumVal(0.0)), expr,
utils.div(utils.mul(expr, ast.LogExpr(expr1p)), expr1pm1))
def test_log_expr():
expr = ast.LogExpr(ast.NumVal(2.0))
expected_code = """
let score (input : double list) =
log (2.0)
"""
interpreter = FSharpInterpreter()
utils.assert_code_equal(interpreter.interpret(expr), expected_code)
def test_log_expr():
expr = ast.LogExpr(ast.NumVal(2.0))
expected_code = """
fn score(input: Vec<f64>) -> f64 {
f64::ln(2.0_f64)
}
"""
interpreter = RustInterpreter()
assert_code_equal(interpreter.interpret(expr), expected_code)
def test_log_expr():
expr = ast.LogExpr(ast.NumVal(2.0))
expected_code = """
score <- function(input) {
return(log(2.0))
}
"""
interpreter = RInterpreter()
utils.assert_code_equal(interpreter.interpret(expr), expected_code)
def test_log_expr():
expr = ast.LogExpr(ast.NumVal(2.0))
expected_code = """
import 'dart:math';
double score(List<double> input) {
return log(2.0);
}
"""
interpreter = DartInterpreter()
utils.assert_code_equal(interpreter.interpret(expr), expected_code)
def test_log_expr():
expr = ast.LogExpr(ast.NumVal(2.0))
expected_code = """
function Score([double[]] $InputVector) {
return [math]::Log(2.0)
}
"""
interpreter = PowershellInterpreter()
utils.assert_code_equal(interpreter.interpret(expr), expected_code)
def test_log_expr():
expr = ast.LogExpr(ast.NumVal(2.0))
expected_code = """
function score(input) {
return Math.log(2.0);
}
"""
interpreter = JavascriptInterpreter()
assert_code_equal(interpreter.interpret(expr), expected_code)
def test_log_expr():
expr = ast.LogExpr(ast.NumVal(2.0))
expected_code = """
def score(input)
Math.log(2.0)
end
"""
interpreter = RubyInterpreter()
assert_code_equal(interpreter.interpret(expr), expected_code)
def test_log_expr():
expr = ast.LogExpr(ast.NumVal(2.0))
expected_code = """
import math
def score(input):
return math.log(2.0)
"""
interpreter = PythonInterpreter()
assert_code_equal(interpreter.interpret(expr), expected_code)
def test_log_expr():
expr = ast.LogExpr(ast.NumVal(2.0))
expected_code = """
module Model where
score :: [Double] -> Double
score input =
log (2.0)
"""
interpreter = HaskellInterpreter()
utils.assert_code_equal(interpreter.interpret(expr), expected_code)
def test_log_expr():
expr = ast.LogExpr(ast.NumVal(2.0))
interpreter = GoInterpreter()
expected_code = """
import "math"
func score(input []float64) float64 {
return math.Log(2.0)
}"""
utils.assert_code_equal(interpreter.interpret(expr), expected_code)
def test_log_expr():
expr = ast.LogExpr(ast.NumVal(2.0))
expected_code = """
<?php
function score(array $input) {
return log(2.0);
}
"""
interpreter = PhpInterpreter()
utils.assert_code_equal(interpreter.interpret(expr), expected_code)
def test_log_expr():
expr = ast.LogExpr(ast.NumVal(2.0))
interpreter = interpreters.CInterpreter()
expected_code = """
#include <math.h>
double score(double * input) {
return log(2.0);
}"""
utils.assert_code_equal(interpreter.interpret(expr), expected_code)
def test_log_expr():
expr = ast.LogExpr(ast.NumVal(2.0))
interpreter = JavaInterpreter()
expected_code = """
public class Model {
public static double score(double[] input) {
return Math.log(2.0);
}
}"""
utils.assert_code_equal(interpreter.interpret(expr), expected_code)
def test_log_expr():
expr = ast.LogExpr(ast.NumVal(2.0))
expected_code = """
Module Model
Function Score(ByRef inputVector() As Double) As Double
Score = Math.Log(2.0)
End Function
End Module
"""
interpreter = VisualBasicInterpreter()
utils.assert_code_equal(interpreter.interpret(expr), expected_code)
def test_log_expr():
expr = ast.LogExpr(ast.NumVal(2.0))
expected_code = """
using static System.Math;
namespace ML {
public static class Model {
public static double Score(double[] input) {
return Log(2.0);
}
}
}
"""
interpreter = CSharpInterpreter()
assert_code_equal(interpreter.interpret(expr), expected_code)
exclude_list={ast.BinExpr, ast.NumVal}
) == 0
assert ast.count_exprs(
ast.BinNumExpr(ast.NumVal(1), ast.NumVal(2), ast.BinNumOpType.ADD),
exclude_list={ast.BinNumExpr}
) == 2
EXPR_WITH_ALL_EXPRS = ast.BinVectorNumExpr(
ast.BinVectorExpr(
ast.VectorVal([
ast.AbsExpr(ast.NumVal(-2)),
ast.AtanExpr(ast.NumVal(2)),
ast.ExpExpr(ast.NumVal(2)),
ast.LogExpr(ast.NumVal(2)),
ast.Log1pExpr(ast.NumVal(2)),
ast.SigmoidExpr(ast.NumVal(2)),
ast.SqrtExpr(ast.NumVal(2)),
ast.PowExpr(ast.NumVal(2), ast.NumVal(3)),
ast.TanhExpr(ast.NumVal(1)),
ast.BinNumExpr(
ast.NumVal(0),
ast.FeatureRef(0),
ast.BinNumOpType.ADD)
]),
ast.IdExpr(
ast.SoftmaxExpr([
ast.NumVal(1),
ast.NumVal(2),
ast.NumVal(3),
