NAG FL InterfaceF16 (Blast)Further Linear Algebra Support Routines

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F16 (Blast) Chapter Introduction – A description of the Chapter and an overview of the algorithms available.

Routine
Mark of
Introduction

Purpose
f16dlf 22 nagf_blast_isum
Sum elements of integer vector
f16dnf 22 nagf_blast_imax_val
Maximum value and location, integer vector
f16dpf 22 nagf_blast_imin_val
Minimum value and location, integer vector
f16dqf 22 nagf_blast_iamax_val
Maximum absolute value and location, integer vector
f16drf 22 nagf_blast_iamin_val
Minimum absolute value and location, integer vector
f16eaf 25 blas_ddot
nagf_blast_ddot
Dot product of two vectors, allows scaling and accumulation
f16ecf 24 blas_daxpby
nagf_blast_daxpby
f16ehf 22 blas_dwaxpby
nagf_blast_dwaxpby
Real weighted vector addition preserving input
f16elf 22 blas_dsum
nagf_blast_dsum
Sum elements of real vector
f16gcf 24 blas_zaxpby
nagf_blast_zaxpby
f16ghf 22 blas_zwaxpby
nagf_blast_zwaxpby
Complex weighted vector addition preserving input
f16glf 22 blas_zsum
nagf_blast_zsum
Sum elements of complex vector
f16jnf 22 blas_dmax_val
nagf_blast_dmax_val
Maximum value and location, real vector
f16jpf 22 blas_dmin_val
nagf_blast_dmin_val
Minimum value and location, real vector
f16jqf 22 blas_damax_val
nagf_blast_damax_val
Maximum absolute value and location, real vector
f16jrf 22 blas_damin_val
nagf_blast_damin_val
Minimum absolute value and location, real vector
f16jsf 22 blas_zamax_val
nagf_blast_zamax_val
Maximum absolute value and location, complex vector
f16jtf 22 blas_zamin_val
nagf_blast_zamin_val
Minimum absolute value and location, complex vector
f16rbf 23 nagf_blast_dgb_norm
$1$-norm, $\infty$-norm, Frobenius norm, largest absolute element, real band matrix
f16ubf 23 nagf_blast_zgb_norm
$1$-norm, $\infty$-norm, Frobenius norm, largest absolute element, complex band matrix