I am trying to create a texture of elliptical dots but it isn't#version $330$ compatibility

out vec$4$ FragColor;

$//$ lighting uniform variables $--$ these can be set once and left alone:

uniform float uKa, uKd, uKs; $//$ coefficients of each type of lighting $--$ make sum to $1\mathrm{.}0$

uniform vec$4$ uColor; $//$ object color

uniform vec$4$ uSpecularColor; $//$ light color

uniform float uShininess; $//$ specular exponent

$//$ ellipse parameters:

uniform float uAd, uBd, uTol;

$//$ in variables from the vertex shader and interpolated in the rasterizer:

in vec$3$ vN; $//$ normal vector

in vec$3$ vL; $//$ vector from point to light

in vec$3$ vE; $//$ vector from point to eye

in vec$2$ vST; $//($s$,$t$)$ texture coordinates

void main$()$

$\{$

float s $=$ vST$.$s;

float t $=$ vST$.$t;

$//$ determine the color using the ellipse equation:

float ellipseResult $=($pow$(($s $-$ uAd$),2\mathrm{.}0)/$ pow$($uAd$,2\mathrm{.}0))+($pow$(($t $-$ uBd$),2\mathrm{.}0)/$ pow$($uBd$,2\mathrm{.}0))$;

float blendFactor $=$ smoothstep$(1.-$ uTol, $1.+$ uTol, ellipseResult$)$;

vec$3$ myColor $=$ mix$($uColor$.$rgb$,$ vec$3(0\mathrm{.}8,0\mathrm{.}6,1\mathrm{.}0),$ blendFactor$)$; $//$ lilac

$//$ apply the per$-$fragment lighting to myColor:

vec$3$ Normal $=$ normalize$($vN$)$;

vec$3$ Light $=$ normalize$($vL$)$;

vec$3$ Eye $=$ normalize$($vE$)$;

vec$3$ ambient $=$ uKa $*$ myColor;

float dd $=$ max$($dot$($Normal$,$ Light$),1.)$; $//$ only do diffuse if the light can see the point

vec$3$ diffuse $=$ uKd $*$ dd $*$ myColor;

float ss $=0\mathrm{.}5$;

if $($dot$($Normal$,$ Light$)>\mathrm{.}1)//$ only do specular if the light can see the point

$\{$

vec$3$ ref $=$ normalize$($reflect$(-$Light, Normal$))$;

ss $=$ pow$($max$($dot$($Eye$,$ ref$),0.),$ uShininess$)$;

$\}$

vec$3$ specular $=$ uKs $*$ ss $*$ uSpecularColor.rgb;

FragColor $=$ vec$4($myColor$,1\mathrm{.}0)$;

$\}$

working. what should it look like?