Developer Reference for Intel® oneAPI Math Kernel Library for Fortran
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ScaLAPACK Utility Functions and Routines
This section describes ScaLAPACK utility functions and routines. Summary information about these routines is given in the following table:
Routine Name |
Data Types |
Description |
---|---|---|
s,d |
Returns the square root of the underflow and overflow thresholds if the exponent-range is very large. |
|
s,d |
Performs a simple check for the features of the IEEE standard. (C interface function). |
|
s,d |
Determines machine parameters for floating-point arithmetic. |
|
s,d |
Computes the position of the sign bit of a floating-point number. (C interface function). |
|
N/A |
Initializes the array descriptor for distributed matrix. |
|
N/A |
Computes the number of rows or columns of a distributed matrix owned by the process. |