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3.2 KiB
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129 lines
3.2 KiB
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<H2><A NAME="SECTION000726000000000000000">
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psb_sizeof -- Memory occupation</A>
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</H2>
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<P>
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This function computes the memory occupation of a PSBLAS object.
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<P>
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<PRE>
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isz = psb_sizeof(a)
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isz = psb_sizeof(desc_a)
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isz = psb_sizeof(prec)
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</PRE>
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<P>
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<DL>
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<DT><STRONG>Type:</STRONG></DT>
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<DD>Asynchronous.
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</DD>
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<DT><STRONG><B>On Entry</B></STRONG></DT>
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<DD>
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</DD>
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<DT><STRONG>a</STRONG></DT>
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<DD>A sparse matrix
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<IMG
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SRC="img1.png"
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ALT="$A$">.
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<BR>
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Scope: <B>local</B>
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<BR>
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Type: <B>required</B>
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<BR>
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Intent: <B>in</B>.
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<BR>
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Specified as: a structured data of type spdata<TT>psb_Tspmat_type</TT>.
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</DD>
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<DT><STRONG>desc_a</STRONG></DT>
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<DD>Communication descriptor.
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<BR>
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Scope: <B>local</B>
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<BR>
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Type: <B>required</B>
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<BR>
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Intent: <B>in</B>.
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<BR>
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Specified as: a structured data of type descdata<TT>psb_desc_type</TT>.
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</DD>
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<DT><STRONG>prec</STRONG></DT>
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<DD>Scope: <B>local</B>
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<BR>
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Type: <B>required</B>
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<BR>
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Intent: <B>in</B>.
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<BR>
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Specified as: a preconditioner data structure precdata<TT>psb_prec_type</TT>.
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</DD>
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<DT><STRONG><B>On Return</B></STRONG></DT>
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<DD>
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</DD>
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<DT><STRONG>Function value</STRONG></DT>
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<DD>The memory occupation of the object specified in
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the calling sequence, in bytes.
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<BR>
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Scope: <B>local</B>
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<BR>
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Returned as: an <code>integer(psb_long_int_k_)</code> number.
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</DD>
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</DL>
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<P>
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