990 extern float __attribute__((overloadable)) step(float edge, float v) {  in step()  function
993 extern float2 __attribute__((overloadable)) step(float2 edge, float2 v) {  in step()  function
999 extern float3 __attribute__((overloadable)) step(float3 edge, float3 v) {  in step()  function
1006 extern float4 __attribute__((overloadable)) step(float4 edge, float4 v) {  in step()  function
1014 extern float2 __attribute__((overloadable)) step(float2 edge, float v) {  in step()  function
1020 extern float3 __attribute__((overloadable)) step(float3 edge, float v) {  in step()  function
1027 extern float4 __attribute__((overloadable)) step(float4 edge, float v) {  in step()  function
1035 extern float2 __attribute__((overloadable)) step(float edge, float2 v) {  in step()  function
1041 extern float3 __attribute__((overloadable)) step(float edge, float3 v) {  in step()  function
1048 extern float4 __attribute__((overloadable)) step(float edge, float4 v) {  in step()  function
2191 extern half __attribute__((overloadable)) step(half edge, half v) {  in step()  function
2194 extern half2 __attribute__((overloadable)) step(half2 edge, half2 v) {  in step()  function
2200 extern half3 __attribute__((overloadable)) step(half3 edge, half3 v) {  in step()  function
2207 extern half4 __attribute__((overloadable)) step(half4 edge, half4 v) {  in step()  function
2215 extern half2 __attribute__((overloadable)) step(half2 edge, half v) {  in step()  function
2221 extern half3 __attribute__((overloadable)) step(half3 edge, half v) {  in step()  function
2228 extern half4 __attribute__((overloadable)) step(half4 edge, half v) {  in step()  function
2236 extern half2 __attribute__((overloadable)) step(half edge, half2 v) {  in step()  function
2242 extern half3 __attribute__((overloadable)) step(half edge, half3 v) {  in step()  function
2249 extern half4 __attribute__((overloadable)) step(half edge, half4 v) {  in step()  function