save_format - format of files produced by "save"

Description

Variables are saved by Scilab with the save command in this format:

each variable record is appended consecutively to the file. The variable record begins with 24 bytes holding the variable name in encoded format (see code2str ), where the name is terminated by the value 40.

After that comes the variable type (long integer), then, depending on it, for:

Floating matrices (type 1)

row size m (long integer), column size n (long integer), it (long integer);

data (8*n*m*(it+1) bytes)

Polynomials (type 2) and Size implicit indices (?) (type 129)

row size m (long integer), column size n (long integer), it (long integer);

formal variable name (16 bytes); pointer table (m*n+1 long integers);

data (8*(N-1)*(it+1) bytes, where N is the last entry of the pointer table)

Booleans (type 4)

row size m (long integer), column size n (long integer);

data (4*n*m bytes)

Floating sparse matrices (type 5)

row size m (long integer), column size n (long integer), it (long integer), nel (long integer);

index (4*m+nel bytes);

non-zero values (8*nel*(it+1) bytes)

Boolean sparse matrices (type 6)

row size m (long integer), column size n (long integer), it (long integer), nel (long integer);

index (4*m+nel bytes);

non-zero values (4*nel*(it+1) bytes)

Integer matrices (type 8)

row size m (long integer), column size n (long integer),

integer type (long integer): 1,2,4, or 11,12,14 for signed and unsigned 1,2,4 bytes integers;

data (n*m*(it modulo 10) bytes)

handles (type 9) ??

Strings (type 10)

row size m (long integer), column size n (long integer),

total number of characters nc+1 (long integer);

pointer table (n*m+1 bytes);

data (4*nc bytes)

Uncompiled functions (type 11)

nout (long integer), lhs names (24*nout bytes),

nin (long integer), rhs names (24*nin bytes);

code length N (long integer),

code (4*N bytes)

Compiled functions (type 13)

nout (long integer), lhs names (24*nout bytes),

nin (long integer), rhs names (24*nin bytes);

code length N (long integer),

pseudocode (4*N bytes)

Libraries (type 14)

path length np (long integer), path name (4*np bytes),

number of names nn (long integer),

class pointers (120 bytes);

names (24*nn bytes);

Lists (type 15), tlists (type 16), mlists (type 17)

number of fields n (long integer),

pointers (4*(n+1) bytes);

variables (each one written according to its format)

Pointers (type 128) ??

See Also

save ,   load ,   listvarinfile ,   type ,   typeof ,  

Authors

compiled by Enrico Segre