X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fmath%2Finteraction.c;h=7fc9f0f63d2c5efee0098f06fe921d50758425e6;hb=c2f0df181038fe9975d642096e65ea48ca491acd;hp=46d7e13ece35439ec7c35df74270db09e7c5cca5;hpb=ee46f6404b033f4d1312c6b52a207ec2da99d94b;p=pspp-builds.git diff --git a/src/math/interaction.c b/src/math/interaction.c index 46d7e13e..7fc9f0f6 100644 --- a/src/math/interaction.c +++ b/src/math/interaction.c @@ -15,7 +15,7 @@ along with this program. If not, see . */ /* - An interaction is a gsl_vector containing a "product" of other + An interaction is a structure containing a "product" of other variables. The variables can be either categorical or numeric. If the variables are all numeric, the interaction is just the scalar product. If any of the variables are categorical, their @@ -31,10 +31,9 @@ #include #include -#include -#include #include #include +#include #include #include #include @@ -143,26 +142,23 @@ struct interaction_value * interaction_value_create (const struct interaction_variable *var, const union value **vals) { struct interaction_value *result = NULL; - const struct variable *member; - size_t i; - size_t n_vars; if (var != NULL) { + size_t i; int val_width = var_get_width (interaction_get_variable (var)); - int offset; + int offset = 0; + size_t n_vars = interaction_get_n_vars (var); result = xmalloc (sizeof (*result)); result->intr = var; - n_vars = interaction_get_n_vars (var); value_init (&result->val, val_width); - offset = 0; result->f = 1.0; for (i = 0; i < n_vars; i++) { - member = interaction_get_member (var, i); + const struct variable *member = interaction_get_member (var, i); if (var_is_value_missing (member, vals[i], MV_ANY)) { @@ -174,9 +170,9 @@ interaction_value_create (const struct interaction_variable *var, const union va { if (var_is_alpha (var->members[i])) { - char *val = value_str_rw (&result->val, val_width); + uint8_t *val = value_str_rw (&result->val, val_width); int w = var_get_width (var->members[i]); - memcpy (val + offset, value_str (vals[i], w), w); + u8_cpy (val + offset, value_str (vals[i], w), w); offset += w; } else if (var_is_numeric (var->members[i]))