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-/*
- * Copyright (C) 2011 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/** @file rs_cl.rsh
- * \brief Basic math functions
- *
- *
- */
-
-#ifndef __RS_CL_RSH__
-#define __RS_CL_RSH__
-
-// Conversions
-#define CVT_FUNC_2(typeout, typein) \
-_RS_RUNTIME typeout##2 __attribute__((overloadable)) \
- convert_##typeout##2(typein##2 v); \
-_RS_RUNTIME typeout##3 __attribute__((overloadable)) \
- convert_##typeout##3(typein##3 v); \
-_RS_RUNTIME typeout##4 __attribute__((overloadable)) \
- convert_##typeout##4(typein##4 v);
-
-
-#define CVT_FUNC(type) CVT_FUNC_2(type, uchar) \
- CVT_FUNC_2(type, char) \
- CVT_FUNC_2(type, ushort) \
- CVT_FUNC_2(type, short) \
- CVT_FUNC_2(type, uint) \
- CVT_FUNC_2(type, int) \
- CVT_FUNC_2(type, float)
-
-CVT_FUNC(char)
-CVT_FUNC(uchar)
-CVT_FUNC(short)
-CVT_FUNC(ushort)
-CVT_FUNC(int)
-CVT_FUNC(uint)
-CVT_FUNC(float)
-
-// Float ops, 6.11.2
-
-#define FN_FUNC_FN(fnc) \
-_RS_RUNTIME float2 __attribute__((overloadable)) fnc(float2 v); \
-_RS_RUNTIME float3 __attribute__((overloadable)) fnc(float3 v); \
-_RS_RUNTIME float4 __attribute__((overloadable)) fnc(float4 v);
-
-#define IN_FUNC_FN(fnc) \
-_RS_RUNTIME int2 __attribute__((overloadable)) fnc(float2 v); \
-_RS_RUNTIME int3 __attribute__((overloadable)) fnc(float3 v); \
-_RS_RUNTIME int4 __attribute__((overloadable)) fnc(float4 v);
-
-#define FN_FUNC_FN_FN(fnc) \
-_RS_RUNTIME float2 __attribute__((overloadable)) fnc(float2 v1, float2 v2); \
-_RS_RUNTIME float3 __attribute__((overloadable)) fnc(float3 v1, float3 v2); \
-_RS_RUNTIME float4 __attribute__((overloadable)) fnc(float4 v1, float4 v2);
-
-#define FN_FUNC_FN_F(fnc) \
-_RS_RUNTIME float2 __attribute__((overloadable)) fnc(float2 v1, float v2); \
-_RS_RUNTIME float3 __attribute__((overloadable)) fnc(float3 v1, float v2); \
-_RS_RUNTIME float4 __attribute__((overloadable)) fnc(float4 v1, float v2);
-
-#define FN_FUNC_FN_IN(fnc) \
-_RS_RUNTIME float2 __attribute__((overloadable)) fnc(float2 v1, int2 v2); \
-_RS_RUNTIME float3 __attribute__((overloadable)) fnc(float3 v1, int3 v2); \
-_RS_RUNTIME float4 __attribute__((overloadable)) fnc(float4 v1, int4 v2); \
-
-#define FN_FUNC_FN_I(fnc) \
-_RS_RUNTIME float2 __attribute__((overloadable)) fnc(float2 v1, int v2); \
-_RS_RUNTIME float3 __attribute__((overloadable)) fnc(float3 v1, int v2); \
-_RS_RUNTIME float4 __attribute__((overloadable)) fnc(float4 v1, int v2);
-
-#define FN_FUNC_FN_PFN(fnc) \
-_RS_RUNTIME float2 __attribute__((overloadable)) \
- fnc(float2 v1, float2 *v2); \
-_RS_RUNTIME float3 __attribute__((overloadable)) \
- fnc(float3 v1, float3 *v2); \
-_RS_RUNTIME float4 __attribute__((overloadable)) \
- fnc(float4 v1, float4 *v2);
-
-#define FN_FUNC_FN_PIN(fnc) \
-_RS_RUNTIME float2 __attribute__((overloadable)) fnc(float2 v1, int2 *v2); \
-_RS_RUNTIME float3 __attribute__((overloadable)) fnc(float3 v1, int3 *v2); \
-_RS_RUNTIME float4 __attribute__((overloadable)) fnc(float4 v1, int4 *v2);
-
-#define FN_FUNC_FN_FN_FN(fnc) \
-_RS_RUNTIME float2 __attribute__((overloadable)) \
- fnc(float2 v1, float2 v2, float2 v3); \
-_RS_RUNTIME float3 __attribute__((overloadable)) \
- fnc(float3 v1, float3 v2, float3 v3); \
-_RS_RUNTIME float4 __attribute__((overloadable)) \
- fnc(float4 v1, float4 v2, float4 v3);
-
-#define FN_FUNC_FN_FN_PIN(fnc) \
-_RS_RUNTIME float2 __attribute__((overloadable)) \
- fnc(float2 v1, float2 v2, int2 *v3); \
-_RS_RUNTIME float3 __attribute__((overloadable)) \
- fnc(float3 v1, float3 v2, int3 *v3); \
-_RS_RUNTIME float4 __attribute__((overloadable)) \
- fnc(float4 v1, float4 v2, int4 *v3);
-
-
-/**
- * Return the inverse cosine.
- *
- * Supports float, float2, float3, float4
- */
-extern float __attribute__((overloadable)) acos(float);
-FN_FUNC_FN(acos)
-
-/**
- * Return the inverse hyperbolic cosine.
- *
- * Supports float, float2, float3, float4
- */
-extern float __attribute__((overloadable)) acosh(float);
-FN_FUNC_FN(acosh)
-
-/**
- * Return the inverse cosine divided by PI.
- *
- * Supports float, float2, float3, float4
- */
-_RS_RUNTIME float __attribute__((overloadable)) acospi(float v);
-FN_FUNC_FN(acospi)
-
-/**
- * Return the inverse sine.
- *
- * Supports float, float2, float3, float4
- */
-extern float __attribute__((overloadable)) asin(float);
-FN_FUNC_FN(asin)
-
-/**
- * Return the inverse hyperbolic sine.
- *
- * Supports float, float2, float3, float4
- */
-extern float __attribute__((overloadable)) asinh(float);
-FN_FUNC_FN(asinh)
-
-
-/**
- * Return the inverse sine divided by PI.
- *
- * Supports float, float2, float3, float4
- */
-_RS_RUNTIME float __attribute__((overloadable)) asinpi(float v);
-FN_FUNC_FN(asinpi)
-
-/**
- * Return the inverse tangent.
- *
- * Supports float, float2, float3, float4
- */
-extern float __attribute__((overloadable)) atan(float);
-FN_FUNC_FN(atan)
-
-/**
- * Return the inverse tangent of y / x.
- *
- * Supports float, float2, float3, float4. Both arguments must be of the same
- * type.
- *
- * @param y
- * @param x
- */
-extern float __attribute__((overloadable)) atan2(float y, float x);
-FN_FUNC_FN_FN(atan2)
-
-/**
- * Return the inverse hyperbolic tangent.
- *
- * Supports float, float2, float3, float4
- */
-extern float __attribute__((overloadable)) atanh(float);
-FN_FUNC_FN(atanh)
-
-/**
- * Return the inverse tangent divided by PI.
- *
- * Supports float, float2, float3, float4
- */
-_RS_RUNTIME float __attribute__((overloadable)) atanpi(float v);
-FN_FUNC_FN(atanpi)
-
-/**
- * Return the inverse tangent of y / x, divided by PI.
- *
- * Supports float, float2, float3, float4. Both arguments must be of the same
- * type.
- *
- * @param y
- * @param x
- */
-_RS_RUNTIME float __attribute__((overloadable)) atan2pi(float y, float x);
-FN_FUNC_FN_FN(atan2pi)
-
-
-/**
- * Return the cube root.
- *
- * Supports float, float2, float3, float4.
- */
-extern float __attribute__((overloadable)) cbrt(float);
-FN_FUNC_FN(cbrt)
-
-/**
- * Return the smallest integer not less than a value.
- *
- * Supports float, float2, float3, float4.
- */
-extern float __attribute__((overloadable)) ceil(float);
-FN_FUNC_FN(ceil)
-
-/**
- * Copy the sign bit from y to x.
- *
- * Supports float, float2, float3, float4. Both arguments must be of the same
- * type.
- *
- * @param x
- * @param y
- */
-extern float __attribute__((overloadable)) copysign(float x, float y);
-FN_FUNC_FN_FN(copysign)
-
-/**
- * Return the cosine.
- *
- * Supports float, float2, float3, float4.
- */
-extern float __attribute__((overloadable)) cos(float);
-FN_FUNC_FN(cos)
-
-/**
- * Return the hypebolic cosine.
- *
- * Supports float, float2, float3, float4.
- */
-extern float __attribute__((overloadable)) cosh(float);
-FN_FUNC_FN(cosh)
-
-/**
- * Return the cosine of the value * PI.
- *
- * Supports float, float2, float3, float4.
- */
-_RS_RUNTIME float __attribute__((overloadable)) cospi(float v);
-FN_FUNC_FN(cospi)
-
-/**
- * Return the complementary error function.
- *
- * Supports float, float2, float3, float4.
- */
-extern float __attribute__((overloadable)) erfc(float);
-FN_FUNC_FN(erfc)
-
-/**
- * Return the error function.
- *
- * Supports float, float2, float3, float4.
- */
-extern float __attribute__((overloadable)) erf(float);
-FN_FUNC_FN(erf)
-
-/**
- * Return e ^ value.
- *
- * Supports float, float2, float3, float4.
- */
-extern float __attribute__((overloadable)) exp(float);
-FN_FUNC_FN(exp)
-
-/**
- * Return 2 ^ value.
- *
- * Supports float, float2, float3, float4.
- */
-extern float __attribute__((overloadable)) exp2(float);
-FN_FUNC_FN(exp2)
-
-/**
- * Return x ^ y.
- *
- * Supports float, float2, float3, float4. Both arguments must be of the same
- * type.
- */
-extern float __attribute__((overloadable)) pow(float x, float y);
-FN_FUNC_FN_FN(pow)
-
-/**
- * Return 10 ^ value.
- *
- * Supports float, float2, float3, float4.
- */
-_RS_RUNTIME float __attribute__((overloadable)) exp10(float v);
-FN_FUNC_FN(exp10)
-
-/**
- * Return (e ^ value) - 1.
- *
- * Supports float, float2, float3, float4.
- */
-extern float __attribute__((overloadable)) expm1(float);
-FN_FUNC_FN(expm1)
-
-/**
- * Return the absolute value of a value.
- *
- * Supports float, float2, float3, float4.
- */
-extern float __attribute__((overloadable)) fabs(float);
-FN_FUNC_FN(fabs)
-
-/**
- * Return the positive difference between two values.
- *
- * Supports float, float2, float3, float4. Both arguments must be of the same
- * type.
- */
-extern float __attribute__((overloadable)) fdim(float, float);
-FN_FUNC_FN_FN(fdim)
-
-/**
- * Return the smallest integer not greater than a value.
- *
- * Supports float, float2, float3, float4.
- */
-extern float __attribute__((overloadable)) floor(float);
-FN_FUNC_FN(floor)
-
-/**
- * Return a*b + c.
- *
- * Supports float, float2, float3, float4.
- */
-extern float __attribute__((overloadable)) fma(float a, float b, float c);
-FN_FUNC_FN_FN_FN(fma)
-
-/**
- * Return (x < y ? y : x)
- *
- * Supports float, float2, float3, float4.
- * @param x: may be float, float2, float3, float4
- * @param y: may be float or vector. If vector must match type of x.
- */
-extern float __attribute__((overloadable)) fmax(float x, float y);
-FN_FUNC_FN_FN(fmax);
-FN_FUNC_FN_F(fmax);
-
-/**
- * Return (x > y ? y : x)
- *
- * @param x: may be float, float2, float3, float4
- * @param y: may be float or vector. If vector must match type of x.
- */
-extern float __attribute__((overloadable)) fmin(float x, float y);
-FN_FUNC_FN_FN(fmin);
-FN_FUNC_FN_F(fmin);
-
-/**
- * Return the remainder from x / y
- *
- * Supports float, float2, float3, float4.
- */
-extern float __attribute__((overloadable)) fmod(float x, float y);
-FN_FUNC_FN_FN(fmod)
-
-
-/**
- * Return fractional part of v
- *
- * @param iptr iptr[0] will be set to the floor of the input value.
- * Supports float, float2, float3, float4.
- */
-_RS_RUNTIME float __attribute__((overloadable)) fract(float v, float *iptr);
-FN_FUNC_FN_PFN(fract)
-
-/**
- * Return the mantissa and place the exponent into iptr[0]
- *
- * @param v Supports float, float2, float3, float4.
- * @param iptr Must have the same vector size as v.
- */
-extern float __attribute__((overloadable)) frexp(float v, int *iptr);
-FN_FUNC_FN_PIN(frexp)
-
-/**
- * Return sqrt(x*x + y*y)
- *
- * Supports float, float2, float3, float4.
- */
-extern float __attribute__((overloadable)) hypot(float x, float y);
-FN_FUNC_FN_FN(hypot)
-
-/**
- * Return the integer exponent of a value
- *
- * Supports 1,2,3,4 components
- */
-extern int __attribute__((overloadable)) ilogb(float);
-IN_FUNC_FN(ilogb)
-
-/**
- * Return (x * 2^y)
- *
- * @param x Supports 1,2,3,4 components
- * @param y Supports single component or matching vector.
- */
-extern float __attribute__((overloadable)) ldexp(float x, int y);
-FN_FUNC_FN_IN(ldexp)
-FN_FUNC_FN_I(ldexp)
-
-/**
- * Return the log gamma
- *
- * Supports 1,2,3,4 components
- */
-extern float __attribute__((overloadable)) lgamma(float);
-FN_FUNC_FN(lgamma)
-
-/**
- * Return the log gamma and sign
- *
- * @param x Supports 1,2,3,4 components
- * @param y Supports matching vector.
- */
-extern float __attribute__((overloadable)) lgamma(float x, int* y);
-FN_FUNC_FN_PIN(lgamma)
-
-/**
- * Return the natural logarithm
- *
- * Supports 1,2,3,4 components
- */
-extern float __attribute__((overloadable)) log(float);
-FN_FUNC_FN(log)
-
-/**
- * Return the base 10 logarithm
- *
- * Supports 1,2,3,4 components
- */
-extern float __attribute__((overloadable)) log10(float);
-FN_FUNC_FN(log10)
-
-/**
- * Return the base 2 logarithm
- *
- * Supports 1,2,3,4 components
- */
-_RS_RUNTIME float __attribute__((overloadable)) log2(float v);
-FN_FUNC_FN(log2)
-
-/**
- * Return the natural logarithm of (v + 1.0f)
- *
- * Supports 1,2,3,4 components
- */
-extern float __attribute__((overloadable)) log1p(float v);
-FN_FUNC_FN(log1p)
-
-/**
- * Compute the exponent of the value.
- *
- * Supports 1,2,3,4 components
- */
-extern float __attribute__((overloadable)) logb(float);
-FN_FUNC_FN(logb)
-
-/**
- * Compute (a * b) + c
- *
- * Supports 1,2,3,4 components
- */
-extern float __attribute__((overloadable)) mad(float a, float b, float c);
-FN_FUNC_FN_FN_FN(mad)
-
-/**
- * Return the integral and fractional components of a number
- * Supports 1,2,3,4 components
- *
- * @param x Source value
- * @param iret iret[0] will be set to the integral portion of the number.
- * @return The floating point portion of the value.
- */
-extern float __attribute__((overloadable)) modf(float x, float *iret);
-FN_FUNC_FN_PFN(modf);
-
-//extern float __attribute__((overloadable)) nan(uint);
-
-/**
- * Return the next floating point number from x towards y.
- *
- * Supports 1,2,3,4 components
- */
-extern float __attribute__((overloadable)) nextafter(float x, float y);
-FN_FUNC_FN_FN(nextafter)
-
-/**
- * Return (v ^ p).
- *
- * Supports 1,2,3,4 components
- */
-_RS_RUNTIME float __attribute__((overloadable)) pown(float v, int p);
-FN_FUNC_FN_IN(pown)
-
-/**
- * Return (v ^ p).
- * @param v must be greater than 0.
- *
- * Supports 1,2,3,4 components
- */
-_RS_RUNTIME float __attribute__((overloadable)) powr(float v, float p);
-FN_FUNC_FN_FN(powr)
-
-/**
- * Return round x/y to the nearest integer then compute the remander.
- *
- * Supports 1,2,3,4 components
- */
-extern float __attribute__((overloadable)) remainder(float x, float y);
-FN_FUNC_FN_FN(remainder)
-
-// document once we know the precision of bionic
-extern float __attribute__((overloadable)) remquo(float, float, int *);
-FN_FUNC_FN_FN_PIN(remquo)
-
-/**
- * Round to the nearest integral value.
- *
- * Supports 1,2,3,4 components
- */
-extern float __attribute__((overloadable)) rint(float);
-FN_FUNC_FN(rint)
-
-/**
- * Compute the Nth root of a value.
- *
- * Supports 1,2,3,4 components
- */
-_RS_RUNTIME float __attribute__((overloadable)) rootn(float v, int n);
-FN_FUNC_FN_IN(rootn)
-
-/**
- * Round to the nearest integral value. Half values are rounded away from zero.
- *
- * Supports 1,2,3,4 components
- */
-extern float __attribute__((overloadable)) round(float);
-FN_FUNC_FN(round)
-
-/**
- * Return the square root of a value.
- *
- * Supports 1,2,3,4 components
- */
-extern float __attribute__((overloadable)) sqrt(float);
-FN_FUNC_FN(sqrt)
-
-/**
- * Return (1 / sqrt(value)).
- *
- * @param v The incoming value in radians
- * Supports 1,2,3,4 components
- */
-_RS_RUNTIME float __attribute__((overloadable)) rsqrt(float v);
-FN_FUNC_FN(rsqrt)
-
-/**
- * Return the sine of a value specified in radians.
- *
- * @param v The incoming value in radians
- * Supports 1,2,3,4 components
- */
-extern float __attribute__((overloadable)) sin(float v);
-FN_FUNC_FN(sin)
-
-/**
- * Return the sine and cosine of a value.
- *
- * @return sine
- * @param v The incoming value in radians
- * @param *cosptr cosptr[0] will be set to the cosine value.
- *
- * Supports 1,2,3,4 components
- */
-_RS_RUNTIME float __attribute__((overloadable)) sincos(float v, float *cosptr);
-FN_FUNC_FN_PFN(sincos);
-
-/**
- * Return the hyperbolic sine of a value specified in radians.
- *
- * Supports 1,2,3,4 components
- */
-extern float __attribute__((overloadable)) sinh(float);
-FN_FUNC_FN(sinh)
-
-/**
- * Return the sin(v * PI).
- *
- * Supports 1,2,3,4 components
- */
-_RS_RUNTIME float __attribute__((overloadable)) sinpi(float v);
-FN_FUNC_FN(sinpi)
-
-/**
- * Return the tangent of a value.
- *
- * Supports 1,2,3,4 components
- * @param v The incoming value in radians
- */
-extern float __attribute__((overloadable)) tan(float v);
-FN_FUNC_FN(tan)
-
-/**
- * Return the hyperbolic tangent of a value.
- *
- * Supports 1,2,3,4 components
- * @param v The incoming value in radians
- */
-extern float __attribute__((overloadable)) tanh(float);
-FN_FUNC_FN(tanh)
-
-/**
- * Return tan(v * PI)
- *
- * Supports 1,2,3,4 components
- */
-_RS_RUNTIME float __attribute__((overloadable)) tanpi(float v);
-FN_FUNC_FN(tanpi)
-
-/**
- * Compute the gamma function of a value.
- *
- * Supports 1,2,3,4 components
- */
-extern float __attribute__((overloadable)) tgamma(float);
-FN_FUNC_FN(tgamma)
-
-/**
- * Round to integral using truncation.
- *
- * Supports 1,2,3,4 components
- */
-extern float __attribute__((overloadable)) trunc(float);
-FN_FUNC_FN(trunc)
-
-
-#define XN_FUNC_YN(typeout, fnc, typein) \
-extern typeout __attribute__((overloadable)) fnc(typein); \
-_RS_RUNTIME typeout##2 __attribute__((overloadable)) fnc(typein##2 v); \
-_RS_RUNTIME typeout##3 __attribute__((overloadable)) fnc(typein##3 v); \
-_RS_RUNTIME typeout##4 __attribute__((overloadable)) fnc(typein##4 v);
-
-#define UIN_FUNC_IN(fnc) \
-XN_FUNC_YN(uchar, fnc, char) \
-XN_FUNC_YN(ushort, fnc, short) \
-XN_FUNC_YN(uint, fnc, int)
-
-#define IN_FUNC_IN(fnc) \
-XN_FUNC_YN(uchar, fnc, uchar) \
-XN_FUNC_YN(char, fnc, char) \
-XN_FUNC_YN(ushort, fnc, ushort) \
-XN_FUNC_YN(short, fnc, short) \
-XN_FUNC_YN(uint, fnc, uint) \
-XN_FUNC_YN(int, fnc, int)
-
-
-#define XN_FUNC_XN_XN_BODY(type, fnc, body) \
-_RS_RUNTIME type __attribute__((overloadable)) \
- fnc(type v1, type v2); \
-_RS_RUNTIME type##2 __attribute__((overloadable)) \
- fnc(type##2 v1, type##2 v2); \
-_RS_RUNTIME type##3 __attribute__((overloadable)) \
- fnc(type##3 v1, type##3 v2); \
-_RS_RUNTIME type##4 __attribute__((overloadable)) \
- fnc(type##4 v1, type##4 v2);
-
-#define IN_FUNC_IN_IN_BODY(fnc, body) \
-XN_FUNC_XN_XN_BODY(uchar, fnc, body) \
-XN_FUNC_XN_XN_BODY(char, fnc, body) \
-XN_FUNC_XN_XN_BODY(ushort, fnc, body) \
-XN_FUNC_XN_XN_BODY(short, fnc, body) \
-XN_FUNC_XN_XN_BODY(uint, fnc, body) \
-XN_FUNC_XN_XN_BODY(int, fnc, body) \
-XN_FUNC_XN_XN_BODY(float, fnc, body)
-
-UIN_FUNC_IN(abs)
-IN_FUNC_IN(clz)
-
-/**
- * Return the minimum of two values.
- *
- * Supports 1,2,3,4 components of uchar, char, ushort, short, uint, int, float.
- */
-IN_FUNC_IN_IN_BODY(min, (v1 < v2 ? v1 : v2))
-FN_FUNC_FN_F(min)
-
-/**
- * Return the maximum of two values.
- *
- * Supports 1,2,3,4 components of uchar, char, ushort, short, uint, int, float.
- */
-IN_FUNC_IN_IN_BODY(max, (v1 > v2 ? v1 : v2))
-FN_FUNC_FN_F(max)
-
-/**
- * Clamp a value to a specified high and low bound.
- *
- * @param amount value to be clamped. Supports 1,2,3,4 components
- * @param low Lower bound, must be scalar or matching vector.
- * @param high High bound, must match type of low
- */
-_RS_RUNTIME float __attribute__((overloadable)) clamp(float amount, float low, float high);
-_RS_RUNTIME float2 __attribute__((overloadable)) clamp(float2 amount, float2 low, float2 high);
-_RS_RUNTIME float3 __attribute__((overloadable)) clamp(float3 amount, float3 low, float3 high);
-_RS_RUNTIME float4 __attribute__((overloadable)) clamp(float4 amount, float4 low, float4 high);
-_RS_RUNTIME float2 __attribute__((overloadable)) clamp(float2 amount, float low, float high);
-_RS_RUNTIME float3 __attribute__((overloadable)) clamp(float3 amount, float low, float high);
-_RS_RUNTIME float4 __attribute__((overloadable)) clamp(float4 amount, float low, float high);
-
-/**
- * Convert from radians to degrees.
- *
- * Supports 1,2,3,4 components
- */
-_RS_RUNTIME float __attribute__((overloadable)) degrees(float radians);
-FN_FUNC_FN(degrees)
-
-/**
- * return start + ((stop - start) * amount);
- *
- * Supports 1,2,3,4 components
- */
-_RS_RUNTIME float __attribute__((overloadable)) mix(float start, float stop, float amount);
-_RS_RUNTIME float2 __attribute__((overloadable)) mix(float2 start, float2 stop, float2 amount);
-_RS_RUNTIME float3 __attribute__((overloadable)) mix(float3 start, float3 stop, float3 amount);
-_RS_RUNTIME float4 __attribute__((overloadable)) mix(float4 start, float4 stop, float4 amount);
-_RS_RUNTIME float2 __attribute__((overloadable)) mix(float2 start, float2 stop, float amount);
-_RS_RUNTIME float3 __attribute__((overloadable)) mix(float3 start, float3 stop, float amount);
-_RS_RUNTIME float4 __attribute__((overloadable)) mix(float4 start, float4 stop, float amount);
-
-/**
- * Convert from degrees to radians.
- *
- * Supports 1,2,3,4 components
- */
-_RS_RUNTIME float __attribute__((overloadable)) radians(float degrees);
-FN_FUNC_FN(radians)
-
-/**
- * if (v < edge)
- * return 0.f;
- * else
- * return 1.f;
- *
- * Supports 1,2,3,4 components
- */
-_RS_RUNTIME float __attribute__((overloadable)) step(float edge, float v);
-_RS_RUNTIME float2 __attribute__((overloadable)) step(float2 edge, float2 v);
-_RS_RUNTIME float3 __attribute__((overloadable)) step(float3 edge, float3 v);
-_RS_RUNTIME float4 __attribute__((overloadable)) step(float4 edge, float4 v);
-_RS_RUNTIME float2 __attribute__((overloadable)) step(float2 edge, float v);
-_RS_RUNTIME float3 __attribute__((overloadable)) step(float3 edge, float v);
-_RS_RUNTIME float4 __attribute__((overloadable)) step(float4 edge, float v);
-
-// not implemented
-extern float __attribute__((overloadable)) smoothstep(float, float, float);
-extern float2 __attribute__((overloadable)) smoothstep(float2, float2, float2);
-extern float3 __attribute__((overloadable)) smoothstep(float3, float3, float3);
-extern float4 __attribute__((overloadable)) smoothstep(float4, float4, float4);
-extern float2 __attribute__((overloadable)) smoothstep(float, float, float2);
-extern float3 __attribute__((overloadable)) smoothstep(float, float, float3);
-extern float4 __attribute__((overloadable)) smoothstep(float, float, float4);
-
-/**
- * if (v < 0) return -1.f;
- * else if (v > 0) return 1.f;
- * else return 0.f;
- *
- * Supports 1,2,3,4 components
- */
-_RS_RUNTIME float __attribute__((overloadable)) sign(float v);
-FN_FUNC_FN(sign)
-
-/**
- * Compute the cross product of two vectors.
- *
- * Supports 3,4 components
- */
-_RS_RUNTIME float3 __attribute__((overloadable)) cross(float3 lhs, float3 rhs);
-_RS_RUNTIME float4 __attribute__((overloadable)) cross(float4 lhs, float4 rhs);
-
-/**
- * Compute the dot product of two vectors.
- *
- * Supports 1,2,3,4 components
- */
-_RS_RUNTIME float __attribute__((overloadable)) dot(float lhs, float rhs);
-_RS_RUNTIME float __attribute__((overloadable)) dot(float2 lhs, float2 rhs);
-_RS_RUNTIME float __attribute__((overloadable)) dot(float3 lhs, float3 rhs);
-_RS_RUNTIME float __attribute__((overloadable)) dot(float4 lhs, float4 rhs);
-
-/**
- * Compute the length of a vector.
- *
- * Supports 1,2,3,4 components
- */
-_RS_RUNTIME float __attribute__((overloadable)) length(float v);
-_RS_RUNTIME float __attribute__((overloadable)) length(float2 v);
-_RS_RUNTIME float __attribute__((overloadable)) length(float3 v);
-_RS_RUNTIME float __attribute__((overloadable)) length(float4 v);
-
-/**
- * Compute the distance between two points.
- *
- * Supports 1,2,3,4 components
- */
-_RS_RUNTIME float __attribute__((overloadable)) distance(float lhs, float rhs);
-_RS_RUNTIME float __attribute__((overloadable)) distance(float2 lhs, float2 rhs);
-_RS_RUNTIME float __attribute__((overloadable)) distance(float3 lhs, float3 rhs);
-_RS_RUNTIME float __attribute__((overloadable)) distance(float4 lhs, float4 rhs);
-
-/**
- * Normalize a vector.
- *
- * Supports 1,2,3,4 components
- */
-_RS_RUNTIME float __attribute__((overloadable)) normalize(float v);
-_RS_RUNTIME float2 __attribute__((overloadable)) normalize(float2 v);
-_RS_RUNTIME float3 __attribute__((overloadable)) normalize(float3 v);
-_RS_RUNTIME float4 __attribute__((overloadable)) normalize(float4 v);
-
-#undef CVT_FUNC
-#undef CVT_FUNC_2
-#undef FN_FUNC_FN
-#undef IN_FUNC_FN
-#undef FN_FUNC_FN_FN
-#undef FN_FUNC_FN_F
-#undef FN_FUNC_FN_IN
-#undef FN_FUNC_FN_I
-#undef FN_FUNC_FN_PFN
-#undef FN_FUNC_FN_PIN
-#undef FN_FUNC_FN_FN_FN
-#undef FN_FUNC_FN_FN_PIN
-#undef XN_FUNC_YN
-#undef UIN_FUNC_IN
-#undef IN_FUNC_IN
-#undef XN_FUNC_XN_XN_BODY
-#undef IN_FUNC_IN_IN_BODY
-
-#endif
generated by cgit v1.1 at 2025-08-15 15:01:16 +0000