scipy.linalg.lapack.dlamch

scipy.linalg.lapack.dlamch(cmach) = <flapack function dlamch>

Machine parameters for this precision (LAPACK dlamch).

Parameters:

cmachstr

Which parameter: 'E' relative machine epsilon, 'S' safe minimum, 'B' base, 'P' eps * base, 'N' mantissa digits, 'R' rounding, 'M' minimum exponent, 'U' underflow threshold, 'L' maximum exponent, 'O' overflow threshold. Lowercase is accepted, and anything else returns 0.

Returns:

xfloat

The requested parameter.