/usr/local/google/home/srhines/android_trees/jb-mr2-dev/frameworks/rs/scriptc/rs_cl.rsh Source File

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/usr/local/google/home/srhines/android_trees/jb-mr2-dev/frameworks/rs/scriptc/rs_cl.rsh
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    00001 /*
    00002  * Copyright (C) 2011-2012 The Android Open Source Project
    00003  *
    00004  * Licensed under the Apache License, Version 2.0 (the "License");
    00005  * you may not use this file except in compliance with the License.
    00006  * You may obtain a copy of the License at
    00007  *
    00008  *      http://www.apache.org/licenses/LICENSE-2.0
    00009  *
    00010  * Unless required by applicable law or agreed to in writing, software
    00011  * distributed under the License is distributed on an "AS IS" BASIS,
    00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    00013  * See the License for the specific language governing permissions and
    00014  * limitations under the License.
    00015  */
    00016
    00023 #ifndef __RS_CL_RSH__
    00024 #define __RS_CL_RSH__
    00025
    00026 // Conversions
    00027 #define CVT_FUNC_2(typeout, typein)                             \
    00028 _RS_RUNTIME typeout##2 __attribute__((overloadable))            \
    00029         convert_##typeout##2(typein##2 v);                      \
    00030 _RS_RUNTIME typeout##3 __attribute__((overloadable))            \
    00031         convert_##typeout##3(typein##3 v);                      \
    00032 _RS_RUNTIME typeout##4 __attribute__((overloadable))            \
    00033         convert_##typeout##4(typein##4 v);
    00034
    00035
    00036 #define CVT_FUNC(type)  CVT_FUNC_2(type, uchar)     \
    00037                         CVT_FUNC_2(type, char)      \
    00038                         CVT_FUNC_2(type, ushort)    \
    00039                         CVT_FUNC_2(type, short)     \
    00040                         CVT_FUNC_2(type, uint)      \
    00041                         CVT_FUNC_2(type, int)       \
    00042                         CVT_FUNC_2(type, float)
    00043
    00049 CVT_FUNC(char)
    00050
    00051
    00056 CVT_FUNC(uchar)
    00057
    00063 CVT_FUNC(short)
    00064
    00070 CVT_FUNC(ushort)
    00071
    00077 CVT_FUNC(int)
    00078
    00084 CVT_FUNC(uint)
    00085
    00091 CVT_FUNC(float)
    00092
    00093 // Float ops, 6.11.2
    00094
    00095 #ifdef DOXYGEN
    00096
    00097 #define FN_FUNC_FN(fnc)
    00098 #define F_FUNC_FN(fnc)
    00099 #define IN_FUNC_FN(fnc)
    00100 #define FN_FUNC_FN_FN(fnc)
    00101 #define F_FUNC_FN_FN(fnc)
    00102 #define FN_FUNC_FN_F(fnc)
    00103 #define FN_FUNC_FN_IN(fnc)
    00104 #define FN_FUNC_FN_I(fnc)
    00105 #define FN_FUNC_FN_PFN(fnc)
    00106 #define FN_FUNC_FN_PIN(fnc)
    00107 #define FN_FUNC_FN_FN_FN(fnc)
    00108 #define FN_FUNC_FN_FN_F(fnc)
    00109 #define FN_FUNC_FN_F_F(fnc)
    00110 #define FN_FUNC_FN_FN_PIN(fnc)
    00111
    00112 #else
    00113
    00114 #define FN_FUNC_FN(fnc)                                         \
    00115 _RS_RUNTIME float2 __attribute__((overloadable)) fnc(float2 v); \
    00116 _RS_RUNTIME float3 __attribute__((overloadable)) fnc(float3 v); \
    00117 _RS_RUNTIME float4 __attribute__((overloadable)) fnc(float4 v);
    00118
    00119 #define F_FUNC_FN(fnc)                                          \
    00120 _RS_RUNTIME float __attribute__((overloadable)) fnc(float2 v);  \
    00121 _RS_RUNTIME float __attribute__((overloadable)) fnc(float3 v);  \
    00122 _RS_RUNTIME float __attribute__((overloadable)) fnc(float4 v);
    00123
    00124 #define IN_FUNC_FN(fnc)                                         \
    00125 _RS_RUNTIME int2 __attribute__((overloadable)) fnc(float2 v);   \
    00126 _RS_RUNTIME int3 __attribute__((overloadable)) fnc(float3 v);   \
    00127 _RS_RUNTIME int4 __attribute__((overloadable)) fnc(float4 v);
    00128
    00129 #define FN_FUNC_FN_FN(fnc)                                                  \
    00130 _RS_RUNTIME float2 __attribute__((overloadable)) fnc(float2 v1, float2 v2); \
    00131 _RS_RUNTIME float3 __attribute__((overloadable)) fnc(float3 v1, float3 v2); \
    00132 _RS_RUNTIME float4 __attribute__((overloadable)) fnc(float4 v1, float4 v2);
    00133
    00134 #define F_FUNC_FN_FN(fnc)                                                   \
    00135 _RS_RUNTIME float __attribute__((overloadable)) fnc(float2 v1, float2 v2);  \
    00136 _RS_RUNTIME float __attribute__((overloadable)) fnc(float3 v1, float3 v2);  \
    00137 _RS_RUNTIME float __attribute__((overloadable)) fnc(float4 v1, float4 v2);
    00138
    00139 #define FN_FUNC_FN_F(fnc)                                                   \
    00140 _RS_RUNTIME float2 __attribute__((overloadable)) fnc(float2 v1, float v2);  \
    00141 _RS_RUNTIME float3 __attribute__((overloadable)) fnc(float3 v1, float v2);  \
    00142 _RS_RUNTIME float4 __attribute__((overloadable)) fnc(float4 v1, float v2);
    00143
    00144 #define FN_FUNC_FN_IN(fnc)                                                  \
    00145 _RS_RUNTIME float2 __attribute__((overloadable)) fnc(float2 v1, int2 v2);   \
    00146 _RS_RUNTIME float3 __attribute__((overloadable)) fnc(float3 v1, int3 v2);   \
    00147 _RS_RUNTIME float4 __attribute__((overloadable)) fnc(float4 v1, int4 v2);   \
    00148
    00149 #define FN_FUNC_FN_I(fnc)                                                   \
    00150 _RS_RUNTIME float2 __attribute__((overloadable)) fnc(float2 v1, int v2);    \
    00151 _RS_RUNTIME float3 __attribute__((overloadable)) fnc(float3 v1, int v2);    \
    00152 _RS_RUNTIME float4 __attribute__((overloadable)) fnc(float4 v1, int v2);
    00153
    00154 #define FN_FUNC_FN_PFN(fnc)                         \
    00155 _RS_RUNTIME float2 __attribute__((overloadable))    \
    00156         fnc(float2 v1, float2 *v2);                 \
    00157 _RS_RUNTIME float3 __attribute__((overloadable))    \
    00158         fnc(float3 v1, float3 *v2);                 \
    00159 _RS_RUNTIME float4 __attribute__((overloadable))    \
    00160         fnc(float4 v1, float4 *v2);
    00161
    00162 #define FN_FUNC_FN_PIN(fnc)                                                 \
    00163 _RS_RUNTIME float2 __attribute__((overloadable)) fnc(float2 v1, int2 *v2);  \
    00164 _RS_RUNTIME float3 __attribute__((overloadable)) fnc(float3 v1, int3 *v2);  \
    00165 _RS_RUNTIME float4 __attribute__((overloadable)) fnc(float4 v1, int4 *v2);
    00166
    00167 #define FN_FUNC_FN_FN_FN(fnc)                       \
    00168 _RS_RUNTIME float2 __attribute__((overloadable))    \
    00169         fnc(float2 v1, float2 v2, float2 v3);       \
    00170 _RS_RUNTIME float3 __attribute__((overloadable))    \
    00171         fnc(float3 v1, float3 v2, float3 v3);       \
    00172 _RS_RUNTIME float4 __attribute__((overloadable))    \
    00173         fnc(float4 v1, float4 v2, float4 v3);
    00174
    00175 #define FN_FUNC_FN_FN_F(fnc)                        \
    00176 _RS_RUNTIME float2 __attribute__((overloadable))    \
    00177         fnc(float2 v1, float2 v2, float v3);        \
    00178 _RS_RUNTIME float3 __attribute__((overloadable))    \
    00179         fnc(float3 v1, float3 v2, float v3);        \
    00180 _RS_RUNTIME float4 __attribute__((overloadable))    \
    00181         fnc(float4 v1, float4 v2, float v3);
    00182
    00183 #define FN_FUNC_FN_F_F(fnc)                         \
    00184 _RS_RUNTIME float2 __attribute__((overloadable))    \
    00185         fnc(float2 v1, float v2, float v3);         \
    00186 _RS_RUNTIME float3 __attribute__((overloadable))    \
    00187         fnc(float3 v1, float v2, float v3);         \
    00188 _RS_RUNTIME float4 __attribute__((overloadable))    \
    00189         fnc(float4 v1, float v2, float v3);
    00190
    00191 #define FN_FUNC_FN_FN_PIN(fnc)                      \
    00192 _RS_RUNTIME float2 __attribute__((overloadable))    \
    00193         fnc(float2 v1, float2 v2, int2 *v3);        \
    00194 _RS_RUNTIME float3 __attribute__((overloadable))    \
    00195         fnc(float3 v1, float3 v2, int3 *v3);        \
    00196 _RS_RUNTIME float4 __attribute__((overloadable))    \
    00197         fnc(float4 v1, float4 v2, int4 *v3);
    00198
    00199 #endif  // DOXYGEN
    00200
    00201
    00207 extern float __attribute__((overloadable)) acos(float);
    00208 FN_FUNC_FN(acos)
    00209
    00215 extern float __attribute__((overloadable)) acosh(float);
    00216 FN_FUNC_FN(acosh)
    00217
    00223 _RS_RUNTIME float __attribute__((overloadable)) acospi(float v);
    00224 FN_FUNC_FN(acospi)
    00225
    00231 extern float __attribute__((overloadable)) asin(float);
    00232 FN_FUNC_FN(asin)
    00233
    00239 extern float __attribute__((overloadable)) asinh(float);
    00240 FN_FUNC_FN(asinh)
    00241
    00242
    00248 _RS_RUNTIME float __attribute__((overloadable)) asinpi(float v);
    00249 FN_FUNC_FN(asinpi)
    00250
    00256 extern float __attribute__((overloadable)) atan(float);
    00257 FN_FUNC_FN(atan)
    00258
    00268 extern float __attribute__((overloadable)) atan2(float y, float x);
    00269 FN_FUNC_FN_FN(atan2)
    00270
    00276 extern float __attribute__((overloadable)) atanh(float);
    00277 FN_FUNC_FN(atanh)
    00278
    00284 _RS_RUNTIME float __attribute__((overloadable)) atanpi(float v);
    00285 FN_FUNC_FN(atanpi)
    00286
    00296 _RS_RUNTIME float __attribute__((overloadable)) atan2pi(float y, float x);
    00297 FN_FUNC_FN_FN(atan2pi)
    00298
    00299
    00305 extern float __attribute__((overloadable)) cbrt(float);
    00306 FN_FUNC_FN(cbrt)
    00307
    00313 extern float __attribute__((overloadable)) ceil(float);
    00314 FN_FUNC_FN(ceil)
    00315
    00325 extern float __attribute__((overloadable)) copysign(float x, float y);
    00326 FN_FUNC_FN_FN(copysign)
    00327
    00333 extern float __attribute__((overloadable)) cos(float);
    00334 FN_FUNC_FN(cos)
    00335
    00341 extern float __attribute__((overloadable)) cosh(float);
    00342 FN_FUNC_FN(cosh)
    00343
    00349 _RS_RUNTIME float __attribute__((overloadable)) cospi(float v);
    00350 FN_FUNC_FN(cospi)
    00351
    00357 extern float __attribute__((overloadable)) erfc(float);
    00358 FN_FUNC_FN(erfc)
    00359
    00365 extern float __attribute__((overloadable)) erf(float);
    00366 FN_FUNC_FN(erf)
    00367
    00373 extern float __attribute__((overloadable)) exp(float);
    00374 FN_FUNC_FN(exp)
    00375
    00381 extern float __attribute__((overloadable)) exp2(float);
    00382 FN_FUNC_FN(exp2)
    00383
    00390 extern float __attribute__((overloadable)) pow(float x, float y);
    00391 FN_FUNC_FN_FN(pow)
    00392
    00398 _RS_RUNTIME float __attribute__((overloadable)) exp10(float v);
    00399 FN_FUNC_FN(exp10)
    00400
    00406 extern float __attribute__((overloadable)) expm1(float);
    00407 FN_FUNC_FN(expm1)
    00408
    00414 extern float __attribute__((overloadable)) fabs(float);
    00415 FN_FUNC_FN(fabs)
    00416
    00423 extern float __attribute__((overloadable)) fdim(float, float);
    00424 FN_FUNC_FN_FN(fdim)
    00425
    00431 extern float __attribute__((overloadable)) floor(float);
    00432 FN_FUNC_FN(floor)
    00433
    00439 extern float __attribute__((overloadable)) fma(float a, float b, float c);
    00440 FN_FUNC_FN_FN_FN(fma)
    00441
    00449 extern float __attribute__((overloadable)) fmax(float x, float y);
    00450 FN_FUNC_FN_FN(fmax);
    00451 FN_FUNC_FN_F(fmax);
    00452
    00459 extern float __attribute__((overloadable)) fmin(float x, float y);
    00460 FN_FUNC_FN_FN(fmin);
    00461 FN_FUNC_FN_F(fmin);
    00462
    00468 extern float __attribute__((overloadable)) fmod(float x, float y);
    00469 FN_FUNC_FN_FN(fmod)
    00470
    00477 _RS_RUNTIME float __attribute__((overloadable)) fract(float v, float *iptr);
    00478 FN_FUNC_FN_PFN(fract)
    00479
    00485 static inline float __attribute__((overloadable)) fract(float v) {
    00486     float unused;
    00487     return fract(v, &unused);
    00488 }
    00489
    00490 static inline float2 __attribute__((overloadable)) fract(float2 v) {
    00491     float2 unused;
    00492     return fract(v, &unused);
    00493 }
    00494
    00495 static inline float3 __attribute__((overloadable)) fract(float3 v) {
    00496     float3 unused;
    00497     return fract(v, &unused);
    00498 }
    00499
    00500 static inline float4 __attribute__((overloadable)) fract(float4 v) {
    00501     float4 unused;
    00502     return fract(v, &unused);
    00503 }
    00504
    00511 extern float __attribute__((overloadable)) frexp(float v, int *iptr);
    00512 FN_FUNC_FN_PIN(frexp)
    00513
    00519 extern float __attribute__((overloadable)) hypot(float x, float y);
    00520 FN_FUNC_FN_FN(hypot)
    00521
    00527 extern int __attribute__((overloadable)) ilogb(float);
    00528 IN_FUNC_FN(ilogb)
    00529
    00536 extern float __attribute__((overloadable)) ldexp(float x, int y);
    00537 FN_FUNC_FN_IN(ldexp)
    00538 FN_FUNC_FN_I(ldexp)
    00539
    00545 extern float __attribute__((overloadable)) lgamma(float);
    00546 FN_FUNC_FN(lgamma)
    00547
    00554 extern float __attribute__((overloadable)) lgamma(float x, int* y);
    00555 FN_FUNC_FN_PIN(lgamma)
    00556
    00562 extern float __attribute__((overloadable)) log(float);
    00563 FN_FUNC_FN(log)
    00564
    00570 extern float __attribute__((overloadable)) log10(float);
    00571 FN_FUNC_FN(log10)
    00572
    00578 _RS_RUNTIME float __attribute__((overloadable)) log2(float v);
    00579 FN_FUNC_FN(log2)
    00580
    00586 extern float __attribute__((overloadable)) log1p(float v);
    00587 FN_FUNC_FN(log1p)
    00588
    00594 extern float __attribute__((overloadable)) logb(float);
    00595 FN_FUNC_FN(logb)
    00596
    00602 extern float __attribute__((overloadable)) mad(float a, float b, float c);
    00603 FN_FUNC_FN_FN_FN(mad)
    00604
    00613 extern float __attribute__((overloadable)) modf(float x, float *iret);
    00614 FN_FUNC_FN_PFN(modf);
    00615
    00616 extern float __attribute__((overloadable)) nan(uint);
    00617
    00623 extern float __attribute__((overloadable)) nextafter(float x, float y);
    00624 FN_FUNC_FN_FN(nextafter)
    00625
    00631 _RS_RUNTIME float __attribute__((overloadable)) pown(float v, int p);
    00632 FN_FUNC_FN_IN(pown)
    00633
    00640 _RS_RUNTIME float __attribute__((overloadable)) powr(float v, float p);
    00641 FN_FUNC_FN_FN(powr)
    00642
    00648 extern float __attribute__((overloadable)) remainder(float x, float y);
    00649 FN_FUNC_FN_FN(remainder)
    00650
    00651 // document once we know the precision of bionic
    00652 extern float __attribute__((overloadable)) remquo(float, float, int *);
    00653 FN_FUNC_FN_FN_PIN(remquo)
    00654
    00660 extern float __attribute__((overloadable)) rint(float);
    00661 FN_FUNC_FN(rint)
    00662
    00668 _RS_RUNTIME float __attribute__((overloadable)) rootn(float v, int n);
    00669 FN_FUNC_FN_IN(rootn)
    00670
    00676 extern float __attribute__((overloadable)) round(float);
    00677 FN_FUNC_FN(round)
    00678
    00684 extern float __attribute__((overloadable)) sqrt(float);
    00685 FN_FUNC_FN(sqrt)
    00686
    00692 _RS_RUNTIME float __attribute__((overloadable)) rsqrt(float v);
    00693 FN_FUNC_FN(rsqrt)
    00694
    00701 extern float __attribute__((overloadable)) sin(float v);
    00702 FN_FUNC_FN(sin)
    00703
    00713 _RS_RUNTIME float __attribute__((overloadable)) sincos(float v, float *cosptr);
    00714 FN_FUNC_FN_PFN(sincos);
    00715
    00721 extern float __attribute__((overloadable)) sinh(float);
    00722 FN_FUNC_FN(sinh)
    00723
    00729 _RS_RUNTIME float __attribute__((overloadable)) sinpi(float v);
    00730 FN_FUNC_FN(sinpi)
    00731
    00738 extern float __attribute__((overloadable)) tan(float v);
    00739 FN_FUNC_FN(tan)
    00740
    00747 extern float __attribute__((overloadable)) tanh(float);
    00748 FN_FUNC_FN(tanh)
    00749
    00755 _RS_RUNTIME float __attribute__((overloadable)) tanpi(float v);
    00756 FN_FUNC_FN(tanpi)
    00757
    00763 extern float __attribute__((overloadable)) tgamma(float);
    00764 FN_FUNC_FN(tgamma)
    00765
    00771 extern float __attribute__((overloadable)) trunc(float);
    00772 FN_FUNC_FN(trunc)
    00773
    00774 #ifdef DOXYGEN
    00775
    00776 #define XN_FUNC_YN(typeout, fnc, typein)                                \
    00777 extern typeout __attribute__((overloadable)) fnc(typein v);
    00778
    00779 #define XN_FUNC_XN_XN_BODY(type, fnc, body)         \
    00780 _RS_RUNTIME type __attribute__((overloadable))      \
    00781         fnc(type v1, type v2);
    00782
    00783 #else
    00784
    00785 #define XN_FUNC_YN(typeout, fnc, typein)                                \
    00786 extern typeout __attribute__((overloadable)) fnc(typein v);             \
    00787 _RS_RUNTIME typeout##2 __attribute__((overloadable)) fnc(typein##2 v);  \
    00788 _RS_RUNTIME typeout##3 __attribute__((overloadable)) fnc(typein##3 v);  \
    00789 _RS_RUNTIME typeout##4 __attribute__((overloadable)) fnc(typein##4 v);
    00790
    00791 #define XN_FUNC_XN_XN_BODY(type, fnc, body)         \
    00792 _RS_RUNTIME type __attribute__((overloadable))      \
    00793         fnc(type v1, type v2);                      \
    00794 _RS_RUNTIME type##2 __attribute__((overloadable))   \
    00795         fnc(type##2 v1, type##2 v2);                \
    00796 _RS_RUNTIME type##3 __attribute__((overloadable))   \
    00797         fnc(type##3 v1, type##3 v2);                \
    00798 _RS_RUNTIME type##4 __attribute__((overloadable))   \
    00799         fnc(type##4 v1, type##4 v2);
    00800
    00801 #endif  // DOXYGEN
    00802
    00803 #define UIN_FUNC_IN(fnc)          \
    00804 XN_FUNC_YN(uchar, fnc, char)      \
    00805 XN_FUNC_YN(ushort, fnc, short)    \
    00806 XN_FUNC_YN(uint, fnc, int)
    00807
    00808 #define IN_FUNC_IN(fnc)           \
    00809 XN_FUNC_YN(uchar, fnc, uchar)     \
    00810 XN_FUNC_YN(char, fnc, char)       \
    00811 XN_FUNC_YN(ushort, fnc, ushort)   \
    00812 XN_FUNC_YN(short, fnc, short)     \
    00813 XN_FUNC_YN(uint, fnc, uint)       \
    00814 XN_FUNC_YN(int, fnc, int)
    00815
    00816 #define IN_FUNC_IN_IN_BODY(fnc, body)   \
    00817 XN_FUNC_XN_XN_BODY(uchar, fnc, body)    \
    00818 XN_FUNC_XN_XN_BODY(char, fnc, body)     \
    00819 XN_FUNC_XN_XN_BODY(ushort, fnc, body)   \
    00820 XN_FUNC_XN_XN_BODY(short, fnc, body)    \
    00821 XN_FUNC_XN_XN_BODY(uint, fnc, body)     \
    00822 XN_FUNC_XN_XN_BODY(int, fnc, body)      \
    00823 XN_FUNC_XN_XN_BODY(float, fnc, body)
    00824
    00831 UIN_FUNC_IN(abs)
    00832
    00833
    00838 IN_FUNC_IN(clz)
    00839
    00845 IN_FUNC_IN_IN_BODY(min, (v1 < v2 ? v1 : v2))
    00846 FN_FUNC_FN_F(min)
    00847
    00853 IN_FUNC_IN_IN_BODY(max, (v1 > v2 ? v1 : v2))
    00854 FN_FUNC_FN_F(max)
    00855
    00863 _RS_RUNTIME float __attribute__((overloadable)) clamp(float amount, float low, float high);
    00864 FN_FUNC_FN_FN_FN(clamp)
    00865 FN_FUNC_FN_F_F(clamp)
    00866
    00872 _RS_RUNTIME float __attribute__((overloadable)) degrees(float radians);
    00873 FN_FUNC_FN(degrees)
    00874
    00880 _RS_RUNTIME float __attribute__((overloadable)) mix(float start, float stop, float amount);
    00881 FN_FUNC_FN_FN_FN(mix)
    00882 FN_FUNC_FN_FN_F(mix)
    00883
    00889 _RS_RUNTIME float __attribute__((overloadable)) radians(float degrees);
    00890 FN_FUNC_FN(radians)
    00891
    00900 _RS_RUNTIME float __attribute__((overloadable)) step(float edge, float v);
    00901 FN_FUNC_FN_FN(step)
    00902 FN_FUNC_FN_F(step)
    00903
    00904 // not implemented
    00905 extern float __attribute__((overloadable)) smoothstep(float, float, float);
    00906 extern float2 __attribute__((overloadable)) smoothstep(float2, float2, float2);
    00907 extern float3 __attribute__((overloadable)) smoothstep(float3, float3, float3);
    00908 extern float4 __attribute__((overloadable)) smoothstep(float4, float4, float4);
    00909 extern float2 __attribute__((overloadable)) smoothstep(float, float, float2);
    00910 extern float3 __attribute__((overloadable)) smoothstep(float, float, float3);
    00911 extern float4 __attribute__((overloadable)) smoothstep(float, float, float4);
    00912
    00922 _RS_RUNTIME float __attribute__((overloadable)) sign(float v);
    00923 FN_FUNC_FN(sign)
    00924
    00930 _RS_RUNTIME float3 __attribute__((overloadable)) cross(float3 lhs, float3 rhs);
    00931 _RS_RUNTIME float4 __attribute__((overloadable)) cross(float4 lhs, float4 rhs);
    00932
    00938 _RS_RUNTIME float __attribute__((overloadable)) dot(float lhs, float rhs);
    00939 F_FUNC_FN_FN(dot)
    00940
    00946 _RS_RUNTIME float __attribute__((overloadable)) length(float v);
    00947 F_FUNC_FN(length)
    00948
    00954 _RS_RUNTIME float __attribute__((overloadable)) distance(float lhs, float rhs);
    00955 F_FUNC_FN_FN(distance)
    00956
    00962 _RS_RUNTIME float __attribute__((overloadable)) normalize(float v);
    00963 FN_FUNC_FN(normalize)
    00964
    00965
    00966 // New approx API functions
    00967 #if (defined(RS_VERSION) && (RS_VERSION >= 17))
    00968
    00974 _RS_RUNTIME float __attribute__((overloadable)) half_recip(float);
    00975 FN_FUNC_FN(half_recip)
    00976
    00982 _RS_RUNTIME float __attribute__((overloadable)) half_sqrt(float);
    00983 FN_FUNC_FN(half_sqrt)
    00984
    00990 _RS_RUNTIME float __attribute__((overloadable)) half_rsqrt(float v);
    00991 FN_FUNC_FN(half_rsqrt)
    00992
    00998 _RS_RUNTIME float __attribute__((overloadable)) fast_length(float v);
    00999 F_FUNC_FN(fast_length)
    01000
    01006 _RS_RUNTIME float __attribute__((overloadable)) fast_distance(float lhs, float rhs);
    01007 F_FUNC_FN_FN(fast_distance)
    01008
    01014 _RS_RUNTIME float __attribute__((overloadable)) fast_normalize(float v);
    01015 F_FUNC_FN(fast_normalize)
    01016
    01017 #endif  // (defined(RS_VERSION) && (RS_VERSION >= 17))
    01018
    01019
    01020
    01021 #if (defined(RS_VERSION) && (RS_VERSION >= 18))
    01022 // Fast native math functions.
    01023
    01024
    01032 _RS_RUNTIME float __attribute__((overloadable)) native_exp2(float v);
    01033 FN_FUNC_FN(native_exp2)
    01034
    01042 _RS_RUNTIME float __attribute__((overloadable)) native_exp(float v);
    01043 FN_FUNC_FN(native_exp)
    01044
    01052 _RS_RUNTIME float __attribute__((overloadable)) native_exp10(float v);
    01053 FN_FUNC_FN(native_exp10)
    01054
    01055
    01056 _RS_RUNTIME float __attribute__((overloadable)) native_log2(float v);
    01057 FN_FUNC_FN(native_log2)
    01058
    01059 _RS_RUNTIME float __attribute__((overloadable)) native_log(float v);
    01060 FN_FUNC_FN(native_log)
    01061
    01062 _RS_RUNTIME float __attribute__((overloadable)) native_log10(float v);
    01063 FN_FUNC_FN(native_log10)
    01064
    01065
    01066 _RS_RUNTIME float __attribute__((overloadable)) native_powr(float v, float y);
    01067 FN_FUNC_FN_FN(native_powr)
    01068
    01069
    01070 #endif  // (defined(RS_VERSION) && (RS_VERSION >= 18))
    01071
    01072
    01073 #undef CVT_FUNC
    01074 #undef CVT_FUNC_2
    01075 #undef FN_FUNC_FN
    01076 #undef F_FUNC_FN
    01077 #undef IN_FUNC_FN
    01078 #undef FN_FUNC_FN_FN
    01079 #undef F_FUNC_FN_FN
    01080 #undef FN_FUNC_FN_F
    01081 #undef FN_FUNC_FN_IN
    01082 #undef FN_FUNC_FN_I
    01083 #undef FN_FUNC_FN_PFN
    01084 #undef FN_FUNC_FN_PIN
    01085 #undef FN_FUNC_FN_FN_FN
    01086 #undef FN_FUNC_FN_FN_F
    01087 #undef FN_FUNC_FN_F_F
    01088 #undef FN_FUNC_FN_FN_PIN
    01089 #undef XN_FUNC_YN
    01090 #undef UIN_FUNC_IN
    01091 #undef IN_FUNC_IN
    01092 #undef XN_FUNC_XN_XN_BODY
    01093 #undef IN_FUNC_IN_IN_BODY
    01094
    01095 #endif