987 extern float __attribute__((overloadable)) step(float edge, float v) {  in step()
990 extern float2 __attribute__((overloadable)) step(float2 edge, float2 v) {  in step()
996 extern float3 __attribute__((overloadable)) step(float3 edge, float3 v) {  in step()
1003 extern float4 __attribute__((overloadable)) step(float4 edge, float4 v) {  in step()
1011 extern float2 __attribute__((overloadable)) step(float2 edge, float v) {  in step()
1017 extern float3 __attribute__((overloadable)) step(float3 edge, float v) {  in step()
1024 extern float4 __attribute__((overloadable)) step(float4 edge, float v) {  in step()
1032 extern float2 __attribute__((overloadable)) step(float edge, float2 v) {  in step()
1038 extern float3 __attribute__((overloadable)) step(float edge, float3 v) {  in step()
1045 extern float4 __attribute__((overloadable)) step(float edge, float4 v) {  in step()
2188 extern half __attribute__((overloadable)) step(half edge, half v) {  in step()
2191 extern half2 __attribute__((overloadable)) step(half2 edge, half2 v) {  in step()
2197 extern half3 __attribute__((overloadable)) step(half3 edge, half3 v) {  in step()
2204 extern half4 __attribute__((overloadable)) step(half4 edge, half4 v) {  in step()
2212 extern half2 __attribute__((overloadable)) step(half2 edge, half v) {  in step()
2218 extern half3 __attribute__((overloadable)) step(half3 edge, half v) {  in step()
2225 extern half4 __attribute__((overloadable)) step(half4 edge, half v) {  in step()
2233 extern half2 __attribute__((overloadable)) step(half edge, half2 v) {  in step()
2239 extern half3 __attribute__((overloadable)) step(half edge, half3 v) {  in step()
2246 extern half4 __attribute__((overloadable)) step(half edge, half4 v) {  in step()