diff options
| -rw-r--r-- | src/mtx_rand.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/mtx_rand.c b/src/mtx_rand.c index a6b5f17..aad8c59 100644 --- a/src/mtx_rand.c +++ b/src/mtx_rand.c @@ -26,13 +26,17 @@ static int makeseed(void) random_nextseed = random_nextseed * 435898247 + 938284287; return (random_nextseed & 0x7fffffff); } +static inline t_float getrand(int *val) +{ + t_float f=(((t_float)(((*val=*val*435898247+382842987)&0x7fffffff)-0x40000000))*(t_float)(0.5/0x40000000)+0.5); + return f; + +} static void mtx_rand_random(t_matrix *x) { long size = x->row * x->col; t_atom *ap=x->atombuffer+2; - int val = x->current_row; - while(size--)SETFLOAT(ap+size, ((float)(((val=val*435898247+382842987)&0x7fffffff)-0x40000000))*(float)(0.5/0x40000000)+0.5); - x->current_row=val; + while(size--)SETFLOAT(ap+size, getrand(&x->current_row)); } static void mtx_rand_list(t_matrix *x, t_symbol *s, int argc, t_atom *argv) @@ -55,8 +59,12 @@ static void mtx_rand_matrix(t_matrix *x, t_symbol *s, int argc, t_atom *argv) } static void mtx_rand_bang(t_matrix *x) { - mtx_rand_random(x); - matrix_bang(x); + if(0==x->col || 0==x->row) { + outlet_float(x->x_obj.ob_outlet, getrand(&x->current_row)); + } else { + mtx_rand_random(x); + matrix_bang(x); + } } static void *mtx_rand_new(t_symbol *s, int argc, t_atom *argv) { |