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OpCodes.Ckfinite Field

July 28, 2014

Throws ArithmeticException if value is not a finite number.

Namespace:  System.Reflection.Emit
Assembly:  mscorlib (in mscorlib.dll)

public static readonly OpCode Ckfinite

The following table lists the instruction's hexadecimal and Microsoft intermediate language (MSIL) assembly format, along with a brief reference summary:

Format

Assembly Format

Description

C3

ckfinite

throw ArithmeticException if value is not a finite number.

The stack transitional behavior, in sequential order, is:

  1. value is pushed onto the stack..

  2. value is popped from the stack and the ckfinite instruction is performed on it.

  3. value is pushed back onto the stack if no exception is thrown.

The ckfinite instruction throws ArithmeticException if value (a floating-point number) is either a "not a number" value (NaN) or a +- infinity value. Ckfinite leaves the value on the stack if no exception is thrown. Execution is unspecified if value is not a floating-point number.

ArithmeticException is thrown if value is not a 'normal' number.

Note that a special exception or a derived class of ArithmeticException may be more appropriate, passing the incorrect value to the exception handler.

The following Emit method overload can use the ckfinite opcode:

  • ILGenerator.Emit(OpCode)

Windows Phone OS

Supported in: 8.1, 8.0, 7.1

Windows Phone

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