iqbal: Reduce gradient step

1e-3 is withing the range of value we're looking for, so we need
something smaller.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
This commit is contained in:
Sylvain Munaut 2013-03-08 17:47:39 +01:00
parent c0fd99fcd2
commit 2e8cef8f61
1 changed files with 1 additions and 1 deletions

View File

@ -249,7 +249,7 @@ _iqbal_objfn_value(struct _iqbal_state *state, float x[2])
static void
_iqbal_objfn_gradient(struct _iqbal_state *state, float x[2], float v, float grad[2])
{
const float GRAD_STEP = 0.001f;
const float GRAD_STEP = 1e-6f;
float xd[2], vd[2];
xd[0] = x[0] + GRAD_STEP; xd[1] = x[1];