added delays to loans

1 files changed, 6 insertions, 2 deletions

diff --git a/bullet_loan.c b/bullet_loan.c
index 189ca05..2fc73d6 100644
--- a/bullet_loan.c
+++ b/bullet_loan.c
@@ -2,7 +2,7 @@
 
 contract *bullet_init(int n, int d, float r, float P) {
 	if ((n < 0)) return NULL;
-	if ((d > n)||(d < 0)) return NULL;
+	if ((d >= n)||(d < 0)) return NULL;
 	contract *c = (contract *)calloc(1, sizeof(contract));
 	c->n = (unsigned int)n;
 	c->d = (unsigned int)d;
@@ -15,13 +15,17 @@ contract *bullet_init(int n, int d, float r, float P) {
 float bullet_update(contract *c) {
 	if (c->k > c->n)
 		return 0.0f;
+
 	c->k++;
 	c->I = c->r * c->P;
+
 	if (c->k == c->n) {
 		c->D = c->P;
 		c->P = 0.0f;
 	}
-	c->A = c->D + c->I;
+
+	if (c->k <= c->d) c->P += c->I;
+	else c->A = c->D + c->I;
 
 	return c->A;
 }