BLI_math_base_safe.h File Reference

#include "BLI_math_base.h"
#include "intern/math_base_safe_inline.c"

Go to the source code of this file.

Functions
MINLINE float	safe_divide (float a, float b)
MINLINE float	safe_modf (float a, float b)
MINLINE float	safe_logf (float a, float base)
MINLINE float	safe_sqrtf (float a)
MINLINE float	safe_inverse_sqrtf (float a)
MINLINE float	safe_asinf (float a)
MINLINE float	safe_acosf (float a)
MINLINE float	safe_powf (float base, float exponent)

Detailed Description

This file provides safe alternatives to common math functions like sqrt, powf. In this context "safe" means that the output is not NaN if the input is not NaN.

Definition in file BLI_math_base_safe.h.

Function Documentation

safe_acosf()

MINLINE float safe_acosf

(

float

a

)

Definition at line 61 of file math_base_safe_inline.c.

References Freestyle::a, acosf, clamp(), and CLAMP.

Referenced by attr_create_pointiness(), bsdf_diffuse_toon_eval_reflect(), bsdf_glossy_toon_eval_reflect(), direction_to_fisheye_equisolid(), direction_to_spherical(), fisheye_equisolid_to_direction(), fisheye_to_direction(), map_to_sphere(), rect_light_sample(), sky_angle_between(), svm_math(), svm_node_ies(), and blender::nodes::try_dispatch_float_math_fl_to_fl().

safe_asinf()

MINLINE float safe_asinf

(

float

a

)

Definition at line 55 of file math_base_safe_inline.c.

References Freestyle::a, asinf, clamp(), and CLAMP.

Referenced by bsdf_hair_reflection_sample(), bsdf_principled_hair_eval(), bsdf_principled_hair_sample(), spherical_stereo_transform(), svm_math(), and blender::nodes::try_dispatch_float_math_fl_to_fl().

safe_divide()

MINLINE float safe_divide	(	float	a,
		float	b
	)

Definition at line 27 of file math_base_safe_inline.c.

References Freestyle::a.

Referenced by bump_shadowing_term(), MapRangeFunction::call(), MapRangeSteppedFunction::call(), MapRangeSmoothstepFunction::call(), MapRangeSmootherstepFunction::call(), hair_attenuation(), blender::nodes::map_linear(), blender::nodes::map_smootherstep(), blender::nodes::map_smoothstep(), blender::nodes::map_stepped(), safe_logf(), smootherstep(), snap(), svm_math(), svm_node_tex_voronoi(), trimmed_logistic(), blender::nodes::try_dispatch_float_math_fl3_fl3_to_fl3(), and blender::nodes::try_dispatch_float_math_fl_fl_to_fl().

safe_inverse_sqrtf()

MINLINE float safe_inverse_sqrtf

(

float

a

)

Definition at line 50 of file math_base_safe_inline.c.

References Freestyle::a, and sqrtf.

Referenced by blender::nodes::try_dispatch_float_math_fl_to_fl().

safe_logf()

MINLINE float safe_logf	(	float	a,
		float	base
	)

Definition at line 37 of file math_base_safe_inline.c.

References Freestyle::a, logf, safe_divide(), and UNLIKELY.

Referenced by svm_math(), TEST(), and blender::nodes::try_dispatch_float_math_fl_fl_to_fl().

safe_modf()

MINLINE float safe_modf	(	float	a,
		float	b
	)

Definition at line 32 of file math_base_safe_inline.c.

References Freestyle::a, and fmodf.

Referenced by TEST(), blender::nodes::try_dispatch_float_math_fl3_fl3_to_fl3(), and blender::nodes::try_dispatch_float_math_fl_fl_to_fl().

safe_powf()

MINLINE float safe_powf	(	float	base,
		float	exponent
	)

Definition at line 67 of file math_base_safe_inline.c.

References Freestyle::a, compatible_powf(), float_to_int(), powf, and UNLIKELY.

Referenced by single_peaked_henyey_greenstein(), svm_math(), TEST(), and blender::nodes::try_dispatch_float_math_fl_fl_to_fl().

safe_sqrtf()

MINLINE float safe_sqrtf

(

float

a

)

Definition at line 45 of file math_base_safe_inline.c.

References Freestyle::a, max(), MAX2, and sqrtf.

Referenced by beckmann_table_rows(), bsdf_beckmann_aniso_G1(), bsdf_beckmann_G1(), bsdf_microfacet_ggx_eval_reflect(), bsdf_microfacet_ggx_eval_transmit(), bsdf_microfacet_ggx_sample(), bssrdf_burley_sample(), bssrdf_cubic_sample(), bssrdf_gaussian_sample(), bssrdf_none_sample(), cos_from_sin(), direction_from_cosine(), ensure_valid_reflection(), henyey_greenstrein_sample(), kernel_volume_equiangular_pdf(), kernel_volume_equiangular_sample(), light_spread_attenuation(), mf_sample_phase_glass(), mf_sampleP22_11(), microfacet_ggx_sample_slopes(), microfacet_sample_stretched(), sample_uniform_cone(), shader_bsdf_average_roughness(), sky_radiance_nishita(), svm_math(), svm_node_closure_bsdf(), triangle_light_sample(), and blender::nodes::try_dispatch_float_math_fl_to_fl().