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Diffstat (limited to 'intern/cycles/util/util_math_float2.h')
-rw-r--r-- | intern/cycles/util/util_math_float2.h | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/intern/cycles/util/util_math_float2.h b/intern/cycles/util/util_math_float2.h new file mode 100644 index 00000000000..6f9d0855d50 --- /dev/null +++ b/intern/cycles/util/util_math_float2.h @@ -0,0 +1,227 @@ +/* + * Copyright 2011-2017 Blender Foundation + * + * 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. + */ + +#ifndef __UTIL_MATH_FLOAT2_H__ +#define __UTIL_MATH_FLOAT2_H__ + +#ifndef __UTIL_MATH_H__ +# error "Do not include this file directly, include util_types.h instead." +#endif + +CCL_NAMESPACE_BEGIN + +/******************************************************************************* + * Declaration. + */ + +#ifndef __KERNEL_OPENCL__ +ccl_device_inline float2 operator-(const float2& a); +ccl_device_inline float2 operator*(const float2& a, const float2& b); +ccl_device_inline float2 operator*(const float2& a, float f); +ccl_device_inline float2 operator*(float f, const float2& a); +ccl_device_inline float2 operator/(float f, const float2& a); +ccl_device_inline float2 operator/(const float2& a, float f); +ccl_device_inline float2 operator/(const float2& a, const float2& b); +ccl_device_inline float2 operator+(const float2& a, const float2& b); +ccl_device_inline float2 operator-(const float2& a, const float2& b); +ccl_device_inline float2 operator+=(float2& a, const float2& b); +ccl_device_inline float2 operator*=(float2& a, const float2& b); +ccl_device_inline float2 operator*=(float2& a, float f); +ccl_device_inline float2 operator/=(float2& a, const float2& b); +ccl_device_inline float2 operator/=(float2& a, float f); + +ccl_device_inline bool operator==(const float2& a, const float2& b); +ccl_device_inline bool operator!=(const float2& a, const float2& b); + +ccl_device_inline bool is_zero(const float2& a); +ccl_device_inline float average(const float2& a); +ccl_device_inline float dot(const float2& a, const float2& b); +ccl_device_inline float cross(const float2& a, const float2& b); +ccl_device_inline float len(const float2& a); +ccl_device_inline float2 normalize(const float2& a); +ccl_device_inline float2 normalize_len(const float2& a, float *t); +ccl_device_inline float2 safe_normalize(const float2& a); +ccl_device_inline float2 min(const float2& a, const float2& b); +ccl_device_inline float2 max(const float2& a, const float2& b); +ccl_device_inline float2 clamp(const float2& a, const float2& mn, const float2& mx); +ccl_device_inline float2 fabs(const float2& a); +ccl_device_inline float2 as_float2(const float4& a); +ccl_device_inline float2 interp(const float2& a, const float2& b, float t); +#endif /* !__KERNEL_OPENCL__ */ + +/******************************************************************************* + * Definition. + */ + +#ifndef __KERNEL_OPENCL__ +ccl_device_inline float2 operator-(const float2& a) +{ + return make_float2(-a.x, -a.y); +} + +ccl_device_inline float2 operator*(const float2& a, const float2& b) +{ + return make_float2(a.x*b.x, a.y*b.y); +} + +ccl_device_inline float2 operator*(const float2& a, float f) +{ + return make_float2(a.x*f, a.y*f); +} + +ccl_device_inline float2 operator*(float f, const float2& a) +{ + return make_float2(a.x*f, a.y*f); +} + +ccl_device_inline float2 operator/(float f, const float2& a) +{ + return make_float2(f/a.x, f/a.y); +} + +ccl_device_inline float2 operator/(const float2& a, float f) +{ + float invf = 1.0f/f; + return make_float2(a.x*invf, a.y*invf); +} + +ccl_device_inline float2 operator/(const float2& a, const float2& b) +{ + return make_float2(a.x/b.x, a.y/b.y); +} + +ccl_device_inline float2 operator+(const float2& a, const float2& b) +{ + return make_float2(a.x+b.x, a.y+b.y); +} + +ccl_device_inline float2 operator-(const float2& a, const float2& b) +{ + return make_float2(a.x-b.x, a.y-b.y); +} + +ccl_device_inline float2 operator+=(float2& a, const float2& b) +{ + return a = a + b; +} + +ccl_device_inline float2 operator*=(float2& a, const float2& b) +{ + return a = a * b; +} + +ccl_device_inline float2 operator*=(float2& a, float f) +{ + return a = a * f; +} + +ccl_device_inline float2 operator/=(float2& a, const float2& b) +{ + return a = a / b; +} + +ccl_device_inline float2 operator/=(float2& a, float f) +{ + float invf = 1.0f/f; + return a = a * invf; +} + +ccl_device_inline bool operator==(const float2& a, const float2& b) +{ + return (a.x == b.x && a.y == b.y); +} + +ccl_device_inline bool operator!=(const float2& a, const float2& b) +{ + return !(a == b); +} + +ccl_device_inline bool is_zero(const float2& a) +{ + return (a.x == 0.0f && a.y == 0.0f); +} + +ccl_device_inline float average(const float2& a) +{ + return (a.x + a.y)*(1.0f/2.0f); +} + +ccl_device_inline float dot(const float2& a, const float2& b) +{ + return a.x*b.x + a.y*b.y; +} + +ccl_device_inline float cross(const float2& a, const float2& b) +{ + return (a.x*b.y - a.y*b.x); +} + +ccl_device_inline float len(const float2& a) +{ + return sqrtf(dot(a, a)); +} + +ccl_device_inline float2 normalize(const float2& a) +{ + return a/len(a); +} + +ccl_device_inline float2 normalize_len(const float2& a, float *t) +{ + *t = len(a); + return a/(*t); +} + +ccl_device_inline float2 safe_normalize(const float2& a) +{ + float t = len(a); + return (t != 0.0f)? a/t: a; +} + +ccl_device_inline float2 min(const float2& a, const float2& b) +{ + return make_float2(min(a.x, b.x), min(a.y, b.y)); +} + +ccl_device_inline float2 max(const float2& a, const float2& b) +{ + return make_float2(max(a.x, b.x), max(a.y, b.y)); +} + +ccl_device_inline float2 clamp(const float2& a, const float2& mn, const float2& mx) +{ + return min(max(a, mn), mx); +} + +ccl_device_inline float2 fabs(const float2& a) +{ + return make_float2(fabsf(a.x), fabsf(a.y)); +} + +ccl_device_inline float2 as_float2(const float4& a) +{ + return make_float2(a.x, a.y); +} + +ccl_device_inline float2 interp(const float2& a, const float2& b, float t) +{ + return a + t*(b - a); +} +#endif /* !__KERNEL_OPENCL__ */ + +CCL_NAMESPACE_END + +#endif /* __UTIL_MATH_FLOAT2_H__ */ |