Update of bug #22478 (project gsl):
Severity: 3 - Normal => 4 - Important
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Follow-up Comment #1:
From: "Liam Healy" <liam@......................>
To: "Help GSL" <Help-gsl@gnu.org>
Cc:
Subject: [Help-gsl] Complex vector arithmetic
Date: Sun, 14 Sep 2008 17:58:17 -0400
I notice that some vector functions on complex numbers do not exist,
though I can't think of a reason for this. For example, these do not exist:
gsl_vector_complex_add
gsl_vector_complex_float_add
gsl_vector_complex_long_double_add
but all real types do, as well as the corresponding matrix functions:
gsl_matrix_complex_add
gsl_matrix_complex_float_add
gsl_matrix_complex_long_double_add
I made a table of arithmetic functions and definitions I could find in
the library:
real vector real matrix complex vector complex matrix
_add yes yes no yes
_sub yes yes no yes
_mul yes no no no
_mul_elements no yes no yes
_div yes no no no
_div_elements no yes no yes
_scale yes no no yes
_add_constant yes no no yes
I can see that _mul_elements or _dev_elements is used only for
matrices and _mul or _div used only for vectors, but I cannot see why
vectors do not have definitions for complex types but matrices do.
Is there a reason for the absence of definitions for complex vectors?
(GSL 1.11 on Debian Lenny amd64)
Liam
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