diff options
Diffstat (limited to 'intern/cycles/util/math_float2.h')
-rw-r--r-- | intern/cycles/util/math_float2.h | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/intern/cycles/util/math_float2.h b/intern/cycles/util/math_float2.h new file mode 100644 index 00000000000..87141d5bc37 --- /dev/null +++ b/intern/cycles/util/math_float2.h @@ -0,0 +1,269 @@ +/* + * 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. + */ + +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 float f); +ccl_device_inline float2 operator+(const float2 &a, const float2 &b); +ccl_device_inline float2 operator-(const float2 &a, const float f); +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 distance(const float2 &a, const float2 &b); +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); +ccl_device_inline float2 floor(const float2 &a); + +ccl_device_inline float2 safe_divide_float2_float(const float2 a, const float b); + +/******************************************************************************* + * Definition. + */ + +ccl_device_inline float2 zero_float2() +{ + return make_float2(0.0f, 0.0f); +} + +ccl_device_inline float2 one_float2() +{ + return make_float2(1.0f, 1.0f); +} + +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 float f) +{ + return a + make_float2(f, f); +} + +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 float f) +{ + return a - make_float2(f, f); +} + +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 distance(const float2 &a, const float2 &b) +{ + return len(a - b); +} + +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, ccl_private 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); +} + +ccl_device_inline float2 mix(const float2 &a, const float2 &b, float t) +{ + return a + t * (b - a); +} + +ccl_device_inline float2 floor(const float2 &a) +{ + return make_float2(floorf(a.x), floorf(a.y)); +} + +ccl_device_inline float2 safe_divide_float2_float(const float2 a, const float b) +{ + return (b != 0.0f) ? a / b : zero_float2(); +} + +CCL_NAMESPACE_END + +#endif /* __UTIL_MATH_FLOAT2_H__ */ |