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casereader: New functions casereader_project() and casereader_project_1().
[pspp-builds.git]
/
src
/
data
/
casereader.h
diff --git
a/src/data/casereader.h
b/src/data/casereader.h
index c26657cf5d49a62d7870d0337117c2bfaf8a99d2..62dc4e9176a0798f03222802b6dfb2d82d81bd46 100644
(file)
--- a/
src/data/casereader.h
+++ b/
src/data/casereader.h
@@
-58,6
+58,7
@@
struct dictionary;
struct casereader;
struct casewriter;
struct dictionary;
struct casereader;
struct casewriter;
+struct subcase;
struct ccase *casereader_read (struct casereader *);
bool casereader_destroy (struct casereader *);
struct ccase *casereader_read (struct casereader *);
bool casereader_destroy (struct casereader *);
@@
-125,6
+126,9
@@
casereader_translate_stateless (struct casereader *,
bool (*destroy) (void *aux),
void *aux);
bool (*destroy) (void *aux),
void *aux);
+struct casereader *casereader_project (struct casereader *,
+ const struct subcase *);
+struct casereader *casereader_project_1 (struct casereader *, int column);
/* A function which creates a numberic value from an existing case */
typedef double new_value_func (const struct ccase *, casenumber, void *);
/* A function which creates a numberic value from an existing case */
typedef double new_value_func (const struct ccase *, casenumber, void *);