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from langchain_core.tools import tool
@tool
def add(a: float, b: float) -> float:
"""Add two numbers."""
return a + b
@tool
def subtract(a: float, b: float) -> float:
"""Subtract b from a."""
return a - b
@tool
def multiply(a: float, b: float) -> float:
"""Multiply two numbers."""
return a * b
@tool
def divide(a: float, b: float) -> float:
"""Divide a by b. Raises an error if b is zero."""
if b == 0:
raise ValueError("Cannot divide by zero.")
return a / b
@tool
def modulus(a: float, b: float) -> float:
"""Return the modulus (remainder) of a divided by b."""
return a % b
@tool
def power(a: float, b: float) -> float:
"""Return a raised to the power of b."""
return a ** b
@tool
def sqrt(x: float) -> float:
"""Return the square root of x. Raises error if x is negative."""
if x < 0:
raise ValueError("Cannot compute the square root of a negative number.")
return x ** 0.5
@tool
def abs_val(x: float) -> float:
"""Return the absolute value of x."""
return abs(x)
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