NAG Library Chapter Contents

F16 (blast)
Further Linear Algebra Support Routines


F16 (blast) Chapter Introduction – a description of the Chapter and an overview of the algorithms available

Routine
Name
Mark of
Introduction

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