void lsp_enforce_margin(spx_lsp_t *lsp, int len, float margin)
void lsp_enforce_margin(spx_lsp_t *lsp, int len, spx_word16_t margin)
void lsp_enforce_margin(spx_lsp_t *lsp, int len, float margin){   int i;   if (lsp[0]<LSP_SCALING*margin)      lsp[0]=LSP_SCALING*margin;   if (lsp[len-1]>LSP_SCALING*(M_PI-margin))      lsp[len-1]=LSP_SCALING*(M_PI-margin);   for (i=1;i<len-1;i++)   {      if (lsp[i]<lsp[i-1]+LSP_SCALING*margin)         lsp[i]=lsp[i-1]+LSP_SCALING*margin;      if (lsp[i]>lsp[i+1]-LSP_SCALING*margin)         lsp[i]= .5* (lsp[i] + lsp[i+1]-LSP_SCALING*margin);   }}