InvokeAI/invokeai/app/invocations/math.py

293 lines
10 KiB
Python

# Copyright (c) 2023 Kyle Schouviller (https://github.com/kyle0654)
from typing import Literal
import numpy as np
from pydantic import ValidationInfo, field_validator
from invokeai.app.invocations.baseinvocation import BaseInvocation, invocation
from invokeai.app.invocations.fields import FieldDescriptions, InputField
from invokeai.app.invocations.primitives import FloatOutput, IntegerOutput
from invokeai.app.services.shared.invocation_context import InvocationContext
@invocation("add", title="Add Integers", tags=["math", "add"], category="math", version="1.0.1")
class AddInvocation(BaseInvocation):
"""Adds two numbers"""
a: int = InputField(default=0, description=FieldDescriptions.num_1)
b: int = InputField(default=0, description=FieldDescriptions.num_2)
def invoke(self, context: InvocationContext) -> IntegerOutput:
return IntegerOutput(value=self.a + self.b)
@invocation("sub", title="Subtract Integers", tags=["math", "subtract"], category="math", version="1.0.1")
class SubtractInvocation(BaseInvocation):
"""Subtracts two numbers"""
a: int = InputField(default=0, description=FieldDescriptions.num_1)
b: int = InputField(default=0, description=FieldDescriptions.num_2)
def invoke(self, context: InvocationContext) -> IntegerOutput:
return IntegerOutput(value=self.a - self.b)
@invocation("mul", title="Multiply Integers", tags=["math", "multiply"], category="math", version="1.0.1")
class MultiplyInvocation(BaseInvocation):
"""Multiplies two numbers"""
a: int = InputField(default=0, description=FieldDescriptions.num_1)
b: int = InputField(default=0, description=FieldDescriptions.num_2)
def invoke(self, context: InvocationContext) -> IntegerOutput:
return IntegerOutput(value=self.a * self.b)
@invocation("div", title="Divide Integers", tags=["math", "divide"], category="math", version="1.0.1")
class DivideInvocation(BaseInvocation):
"""Divides two numbers"""
a: int = InputField(default=0, description=FieldDescriptions.num_1)
b: int = InputField(default=0, description=FieldDescriptions.num_2)
def invoke(self, context: InvocationContext) -> IntegerOutput:
return IntegerOutput(value=int(self.a / self.b))
@invocation(
"rand_int",
title="Random Integer",
tags=["math", "random"],
category="math",
version="1.0.1",
use_cache=False,
)
class RandomIntInvocation(BaseInvocation):
"""Outputs a single random integer."""
low: int = InputField(default=0, description=FieldDescriptions.inclusive_low)
high: int = InputField(default=np.iinfo(np.int32).max, description=FieldDescriptions.exclusive_high)
def invoke(self, context: InvocationContext) -> IntegerOutput:
return IntegerOutput(value=np.random.randint(self.low, self.high))
@invocation(
"rand_float",
title="Random Float",
tags=["math", "float", "random"],
category="math",
version="1.0.1",
use_cache=False,
)
class RandomFloatInvocation(BaseInvocation):
"""Outputs a single random float"""
low: float = InputField(default=0.0, description=FieldDescriptions.inclusive_low)
high: float = InputField(default=1.0, description=FieldDescriptions.exclusive_high)
decimals: int = InputField(default=2, description=FieldDescriptions.decimal_places)
def invoke(self, context: InvocationContext) -> FloatOutput:
random_float = np.random.uniform(self.low, self.high)
rounded_float = round(random_float, self.decimals)
return FloatOutput(value=rounded_float)
@invocation(
"float_to_int",
title="Float To Integer",
tags=["math", "round", "integer", "float", "convert"],
category="math",
version="1.0.1",
)
class FloatToIntegerInvocation(BaseInvocation):
"""Rounds a float number to (a multiple of) an integer."""
value: float = InputField(default=0, description="The value to round")
multiple: int = InputField(default=1, ge=1, title="Multiple of", description="The multiple to round to")
method: Literal["Nearest", "Floor", "Ceiling", "Truncate"] = InputField(
default="Nearest", description="The method to use for rounding"
)
def invoke(self, context: InvocationContext) -> IntegerOutput:
if self.method == "Nearest":
return IntegerOutput(value=round(self.value / self.multiple) * self.multiple)
elif self.method == "Floor":
return IntegerOutput(value=np.floor(self.value / self.multiple) * self.multiple)
elif self.method == "Ceiling":
return IntegerOutput(value=np.ceil(self.value / self.multiple) * self.multiple)
else: # self.method == "Truncate"
return IntegerOutput(value=int(self.value / self.multiple) * self.multiple)
@invocation("round_float", title="Round Float", tags=["math", "round"], category="math", version="1.0.1")
class RoundInvocation(BaseInvocation):
"""Rounds a float to a specified number of decimal places."""
value: float = InputField(default=0, description="The float value")
decimals: int = InputField(default=0, description="The number of decimal places")
def invoke(self, context: InvocationContext) -> FloatOutput:
return FloatOutput(value=round(self.value, self.decimals))
INTEGER_OPERATIONS = Literal[
"ADD",
"SUB",
"MUL",
"DIV",
"EXP",
"MOD",
"ABS",
"MIN",
"MAX",
]
INTEGER_OPERATIONS_LABELS = {
"ADD": "Add A+B",
"SUB": "Subtract A-B",
"MUL": "Multiply A*B",
"DIV": "Divide A/B",
"EXP": "Exponentiate A^B",
"MOD": "Modulus A%B",
"ABS": "Absolute Value of A",
"MIN": "Minimum(A,B)",
"MAX": "Maximum(A,B)",
}
@invocation(
"integer_math",
title="Integer Math",
tags=[
"math",
"integer",
"add",
"subtract",
"multiply",
"divide",
"modulus",
"power",
"absolute value",
"min",
"max",
],
category="math",
version="1.0.1",
)
class IntegerMathInvocation(BaseInvocation):
"""Performs integer math."""
operation: INTEGER_OPERATIONS = InputField(
default="ADD", description="The operation to perform", ui_choice_labels=INTEGER_OPERATIONS_LABELS
)
a: int = InputField(default=1, description=FieldDescriptions.num_1)
b: int = InputField(default=1, description=FieldDescriptions.num_2)
@field_validator("b")
def no_unrepresentable_results(cls, v: int, info: ValidationInfo):
if info.data["operation"] == "DIV" and v == 0:
raise ValueError("Cannot divide by zero")
elif info.data["operation"] == "MOD" and v == 0:
raise ValueError("Cannot divide by zero")
elif info.data["operation"] == "EXP" and v < 0:
raise ValueError("Result of exponentiation is not an integer")
return v
def invoke(self, context: InvocationContext) -> IntegerOutput:
# Python doesn't support switch statements until 3.10, but InvokeAI supports back to 3.9
if self.operation == "ADD":
return IntegerOutput(value=self.a + self.b)
elif self.operation == "SUB":
return IntegerOutput(value=self.a - self.b)
elif self.operation == "MUL":
return IntegerOutput(value=self.a * self.b)
elif self.operation == "DIV":
return IntegerOutput(value=int(self.a / self.b))
elif self.operation == "EXP":
return IntegerOutput(value=self.a**self.b)
elif self.operation == "MOD":
return IntegerOutput(value=self.a % self.b)
elif self.operation == "ABS":
return IntegerOutput(value=abs(self.a))
elif self.operation == "MIN":
return IntegerOutput(value=min(self.a, self.b))
else: # self.operation == "MAX":
return IntegerOutput(value=max(self.a, self.b))
FLOAT_OPERATIONS = Literal[
"ADD",
"SUB",
"MUL",
"DIV",
"EXP",
"ABS",
"SQRT",
"MIN",
"MAX",
]
FLOAT_OPERATIONS_LABELS = {
"ADD": "Add A+B",
"SUB": "Subtract A-B",
"MUL": "Multiply A*B",
"DIV": "Divide A/B",
"EXP": "Exponentiate A^B",
"ABS": "Absolute Value of A",
"SQRT": "Square Root of A",
"MIN": "Minimum(A,B)",
"MAX": "Maximum(A,B)",
}
@invocation(
"float_math",
title="Float Math",
tags=["math", "float", "add", "subtract", "multiply", "divide", "power", "root", "absolute value", "min", "max"],
category="math",
version="1.0.1",
)
class FloatMathInvocation(BaseInvocation):
"""Performs floating point math."""
operation: FLOAT_OPERATIONS = InputField(
default="ADD", description="The operation to perform", ui_choice_labels=FLOAT_OPERATIONS_LABELS
)
a: float = InputField(default=1, description=FieldDescriptions.num_1)
b: float = InputField(default=1, description=FieldDescriptions.num_2)
@field_validator("b")
def no_unrepresentable_results(cls, v: float, info: ValidationInfo):
if info.data["operation"] == "DIV" and v == 0:
raise ValueError("Cannot divide by zero")
elif info.data["operation"] == "EXP" and info.data["a"] == 0 and v < 0:
raise ValueError("Cannot raise zero to a negative power")
elif info.data["operation"] == "EXP" and isinstance(info.data["a"] ** v, complex):
raise ValueError("Root operation resulted in a complex number")
return v
def invoke(self, context: InvocationContext) -> FloatOutput:
# Python doesn't support switch statements until 3.10, but InvokeAI supports back to 3.9
if self.operation == "ADD":
return FloatOutput(value=self.a + self.b)
elif self.operation == "SUB":
return FloatOutput(value=self.a - self.b)
elif self.operation == "MUL":
return FloatOutput(value=self.a * self.b)
elif self.operation == "DIV":
return FloatOutput(value=self.a / self.b)
elif self.operation == "EXP":
return FloatOutput(value=self.a**self.b)
elif self.operation == "SQRT":
return FloatOutput(value=np.sqrt(self.a))
elif self.operation == "ABS":
return FloatOutput(value=abs(self.a))
elif self.operation == "MIN":
return FloatOutput(value=min(self.a, self.b))
else: # self.operation == "MAX":
return FloatOutput(value=max(self.a, self.b))