1690 extern half __attribute__((overloadable)) fn(half h) {                    \
1691     return (half) fn((float) h);                                          \
1708 extern half __attribute__((overloadable)) fn(half h1, half h2) {          \
1709     return (half) fn((float) h1, (float) h2);                             \
1729 extern half2 __attribute__((overloadable)) fn(half2 v1, half v2) {        \
1732 extern half3 __attribute__((overloadable)) fn(half3 v1, half v2) {        \
1735 extern half4 __attribute__((overloadable)) fn(half4 v1, half v2) {        \
1744 extern half __attribute__((overloadable)) fn(half h1, half h2, half h3) {      \
1745     return (half) fn((float) h1, (float) h2, (float) h3);                      \
1769 extern half __attribute__((overloadable)) fn(half h1, int v) {            \
1770     return (half) fn((float) h1, v);                                      \
1787 extern half __attribute__((overloadable)) fn(half h) {                    \
1788     return (half) fn((float) h);                                          \
1790 extern half __attribute__((overloadable)) fn(half2 v) {                   \
1793 extern half __attribute__((overloadable)) fn(half3 v) {                   \
1796 extern half __attribute__((overloadable)) fn(half4 v) {                   \
1805 extern half __attribute__((overloadable)) fn(half h1, half h2) {          \
1806     return (half) fn((float) h1, (float) h2);                             \
1808 extern half __attribute__((overloadable)) fn(half2 v1, half2 v2) {        \
1811 extern half __attribute__((overloadable)) fn(half3 v1, half3 v2) {        \
1814 extern half __attribute__((overloadable)) fn(half4 v1, half4 v2) {        \
1821     half t[2];                                                        \
1830     half t[3];                                                        \
1841     half t[4];                                                        \
1896 extern half __attribute__((overloadable)) copysign(half x, half y);
1941 extern half __attribute__((overloadable)) fract(half v, half *iptr) {  in fract()
1943     half maxLessThanOne;  in fract()
1956 extern half __attribute__((const, overloadable)) fract(half v) {  in fract()
1957     half unused;  in fract()
1976 extern half __attribute__((overloadable)) frexp(half x, int *eptr);
2016 extern int __attribute__((overloadable)) ilogb(half x);
2054 extern half __attribute__((overloadable)) lgamma(half h, int *signp) {  in lgamma()
2055     return (half) lgamma((float) h, signp);  in lgamma()
2079 extern half __attribute__((overloadable)) mix(half start, half stop, half amount) {  in mix()
2091 extern half2 __attribute__((overloadable)) mix(half2 start, half2 stop, half amount) {  in mix()
2094 extern half3 __attribute__((overloadable)) mix(half3 start, half3 stop, half amount) {  in mix()
2097 extern half4 __attribute__((overloadable)) mix(half4 start, half4 stop, half amount) {  in mix()
2101 extern half __attribute__((overloadable)) modf(half x, half *iptr);
2104 half __attribute__((overloadable)) nan_half() {  in nan_half()
2106   half nan;  in nan_half()
2113 extern half __attribute__((overloadable)) nextafter(half x, half y);
2122 extern half __attribute__((overloadable)) remquo(half n, half d, int *quo) {  in remquo()
2140 extern half __attribute__((overloadable)) sign(half h) {  in sign()
2141     if (h > 0) return (half) 1.f;  in sign()
2142     if (h < 0) return (half) -1.f;  in sign()
2169 extern half __attribute__((overloadable)) sincos(half v, half *cosptr) {  in sincos()
2191 extern half __attribute__((overloadable)) step(half edge, half v) {  in step()
2215 extern half2 __attribute__((overloadable)) step(half2 edge, half v) {  in step()
2221 extern half3 __attribute__((overloadable)) step(half3 edge, half v) {  in step()
2228 extern half4 __attribute__((overloadable)) step(half4 edge, half v) {  in step()
2236 extern half2 __attribute__((overloadable)) step(half edge, half2 v) {  in step()
2242 extern half3 __attribute__((overloadable)) step(half edge, half3 v) {  in step()
2249 extern half4 __attribute__((overloadable)) step(half edge, half4 v) {  in step()
2307 extern half __attribute__((overloadable)) native_sincos(half v, half *cosptr) {  in native_sincos()