--- a/src/dmlib.h	Fri Feb 27 14:49:02 2015 +0200
+++ b/src/dmlib.h	Fri Feb 27 16:16:59 2015 +0200
@@ -206,69 +206,6 @@
 }
 
 
-/* Generic parameter interpolation
- */
-#define DMM_S_CURVE(t)     ((t) * (t) * (3.0f - 2.0f * (t)))
-#define DMM_LERP(t, a, b)  ((a) + (t) * ((b) - (a)))
-
-typedef struct
-{
-    DMFloat start, end, nsteps;
-} DMLerpContext;
-
-
-void       dmLerpInit(DMLerpContext *ctx, DMFloat start, DMFloat end, DMFloat nsteps);
-DMFloat    dmCatmullRom(const DMFloat t, const DMFloat p0, const DMFloat p1, const DMFloat p2, const DMFloat p3);
-
-
-static inline DMFloat dmClamp10(const DMFloat a)
-{
-    return (a < 0.0f ? 0.0f : (a > 1.0f ? 1.0f : a));
-}
-
-
-static inline int dmClamp(const int v, const int min, const int max)
-{
-    return (v < min ? min : (v > max ? max : v));
-}
-
-
-static inline DMFloat dmLerpSCurve(DMLerpContext *ctx, const DMFloat step)
-{
-    const DMFloat n = step / ctx->nsteps;
-    const DMFloat v = DMM_S_CURVE(n);
-    return DMM_LERP(v, ctx->start, ctx->end);
-}
-
-
-static inline DMFloat dmLerpSCurveClamp(DMLerpContext *ctx, const DMFloat step)
-{
-    const DMFloat n = dmClamp10(step / ctx->nsteps);
-    const DMFloat v = DMM_S_CURVE(n);
-    return DMM_LERP(v, ctx->start, ctx->end);
-}
-
-
-static inline DMFloat dmLerp1(DMLerpContext *ctx, const DMFloat step)
-{
-    const DMFloat v = step / ctx->nsteps;
-    return DMM_LERP(v, ctx->start, ctx->end);
-}
-
-
-static inline DMFloat dmLerp1Clamp(DMLerpContext *ctx, const DMFloat step)
-{
-    const DMFloat v = dmClamp10(step / ctx->nsteps);
-    return DMM_LERP(v, ctx->start, ctx->end);
-}
-
-
-static inline DMFloat dmCatmullRomClamp(const DMFloat t, const DMFloat p0, const DMFloat p1, const DMFloat p2, const DMFloat p3)
-{
-    return dmCatmullRom(dmClamp10(t), p0, p1, p2, p3);
-}
-
-
 /* Arbitrary line drawing
  */
 #ifdef DM_GFX_LINES