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-rw-r--r--matrix/generic/elem_type.h3
-rw-r--r--matrix/generic/mmatrix.c2
2 files changed, 4 insertions, 1 deletions
diff --git a/matrix/generic/elem_type.h b/matrix/generic/elem_type.h
index 2a6ffa8..bffe940 100644
--- a/matrix/generic/elem_type.h
+++ b/matrix/generic/elem_type.h
@@ -2,18 +2,21 @@
#define MATRIX_ELEM float
#define MATRIX_ELEM_FMT "%f"
+#define MATRIX_ELEM_WRITE_FMT "%.8f"
#define MATRIX_ELEM_PTR(self) ((self)->data.f)
#elif defined(MATRIX_USE_DOUBLE)
#define MATRIX_ELEM double
#define MATRIX_ELEM_FMT "%lf"
+#define MATRIX_ELEM_WRITE_FMT "%.8lf"
#define MATRIX_ELEM_PTR(self) ((self)->data.d)
#elif defined(MATRIX_USE_INT)
#define MATRIX_ELEM long
#define MATRIX_ELEM_FMT "%ld"
+#define MATRIX_ELEM_WRITE_FMT "%ld"
#define MATRIX_ELEM_PTR(self) ((self)->data.i)
#endif
diff --git a/matrix/generic/mmatrix.c b/matrix/generic/mmatrix.c
index 75d1eb1..2045d65 100644
--- a/matrix/generic/mmatrix.c
+++ b/matrix/generic/mmatrix.c
@@ -86,7 +86,7 @@ int nerv_matrix_(save)(lua_State *L) {
{
MATRIX_ELEM *row = MATRIX_ROW_PTR(self, i);
for (j = 0; j < ncol; j++)
- if (fprintf(fp, MATRIX_ELEM_FMT " ", row[j]) < 0)
+ if (fprintf(fp, MATRIX_ELEM_WRITE_FMT " ", row[j]) < 0)
{
free(self);
return 0;