* #transform} methods all return {@link Double#NaN}. The {@link #inverse} method returns the same
   * instance.
   */
  public static LinearTransformation forNaN() {
    return NaNLinearTransformation.INSTANCE;
  }

  /** Returns whether this is a vertical transformation. */
  public abstract boolean isVertical();

    assertThrows(IllegalArgumentException.class, () -> LinearTransformation.horizontal(Double.NaN));
  }

  public void testForNaN() {
    LinearTransformation transformation = LinearTransformation.forNaN();
    assertLinearTransformationNaN(transformation);
  }

    assertThrows(IllegalArgumentException.class, () -> LinearTransformation.horizontal(Double.NaN));
  }

  public void testForNaN() {
    LinearTransformation transformation = LinearTransformation.forNaN();
    assertLinearTransformationNaN(transformation);
  }

package cmd

// Format related consts
const (
	// Format config file carries backend format specific details.
	formatConfigFile = "format.json"
)

const (
	// Version of the formatMetaV1
	formatMetaVersionV1 = "1"
)

// format.json currently has the format:
// {
//   "version": "1",
//   "format": "XXXXX",
//   "XXXXX": {
//
//   }
// }

#!/usr/bin/env bash
set -x

ruff check fastapi tests docs_src scripts --fix

# Run manually to reformat a file:
# clang-format -i --style=file <file>
BasedOnStyle: Google

# Run manually to reformat a file:
# clang-format -i --style=file <file>
BasedOnStyle: Google

)

// Valid - tells us if the format is sane by validating
// format version and erasure coding information.
func (m *xlMetaV1Object) valid() bool {
	return isXLMetaFormatValid(m.Version, m.Format) &&
		isXLMetaErasureInfoValid(m.Erasure.DataBlocks, m.Erasure.ParityBlocks)
}

// Verifies if the backend format metadata is sane by validating
// the version string and format style.

// Code generated by "stringer -type VersionType,ErasureAlgo -output=xl-storage-format-v2_string.go xl-storage-format-v2.go"; DO NOT EDIT.

package cmd

import "strconv"

func _() {
	// An "invalid array index" compiler error signifies that the constant values have changed.
	// Re-run the stringer command to generate them again.
	var x [1]struct{}
	_ = x[invalidVersionType-0]
	_ = x[ObjectType-1]
	_ = x[DeleteType-2]
	_ = x[LegacyType-3]

			}
		}
		if val, ok := j.DeleteMarker.MetaSys[ReservedMetadataPrefixLower+ReplicaTimestamp]; ok {
			tm, err := time.Parse(time.RFC3339Nano, string(val))
			if err == nil {
				j.DeleteMarker.MetaSys[ReservedMetadataPrefixLower+ReplicaTimestamp] = []byte(tm.UTC().Format(time.RFC3339Nano))
			}
		}
	}