minmax

Functions

int main(int argc, char *argv[])

minmax [ option ] [ infile ]

  • -l int

    • length of vector \((1 \le M + 1)\)

  • -m int

    • order of vector \((0 \le M)\)

  • -b int

    • find \(N\)-best values \((1 \le N)\)

  • -o int

    • output format

      • 0 minimum and maximum

      • 1 minimum

      • 2 maximum

  • -w int

    • way to find value

      • 0 find value from a vector

      • 1 find value from vector sequence for each dimension

  • -p str

    • int-type positions

  • infile str

    • double-type data sequence

  • stdout

    • double-type minimum and maximum values

ramp -l 10 | minmax -l 5 -o 1 -w 0 | x2x +da
# 0, 5

ramp -l 10 | minmax -l 5 -o 1 -w 1 | x2x +da
# 0, 1, 2, 3, 4
Parameters:

  • argc – [in] Number of arguments.

  • argv – [in] Argument vector.

Returns:

0 on success, 1 on failure.

class MinMaxAccumulation

Compute minimum and maximum given data sequence.

Public Functions

explicit MinMaxAccumulation(int num_best)
Parameters:

num_best – [in] Number of minimum/maximum numbers.

inline int GetNumBest() const
Returns:

Number of minimum/maximum numbers.

inline bool IsValid() const
Returns:

True if this object is valid.

bool GetMinimum(const MinMaxAccumulation::Buffer &buffer, int rank, int *position, double *value) const

Get \(n\)-th minimum value and its position.

Parameters:

  • buffer – [in] Buffer.

  • rank – [in] Rank \(n\).

  • position – [out] Position of minimum value.

  • value – [out] Minimum value.

Returns:

True on success, false on failure.

bool GetMaximum(const MinMaxAccumulation::Buffer &buffer, int rank, int *position, double *value) const

Get \(n\)-th maximum value and its position.

Parameters:

  • buffer – [in] Buffer.

  • rank – [in] Rank \(n\).

  • position – [out] Position of maximum value.

  • value – [out] Maximum value.

Returns:

True on success, false on failure.

void Clear(MinMaxAccumulation::Buffer *buffer) const

Clear buffer.

Parameters:

buffer – [out] Buffer.

bool Run(double data, MinMaxAccumulation::Buffer *buffer) const

Accumulate minimum and maximum.

Parameters:

  • data – [in] Input data.

  • buffer – [inout] Buffer.

Returns:

True on success, false on failure.

class Buffer

Buffer for MinMaxAccumulation.