144 lines
3.4 KiB
ReStructuredText
144 lines
3.4 KiB
ReStructuredText
.. default-domain:: C
|
|
|
|
vec3 extra
|
|
==========
|
|
|
|
Header: cglm/vec3-ext.h
|
|
|
|
There are some functions are in called in extra header. These are called extra
|
|
because they are not used like other functions in vec3.h in the future some of
|
|
these functions ma be moved to vec3 header.
|
|
|
|
Table of contents (click to go):
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
Functions:
|
|
|
|
1. :c:func:`glm_vec3_mulv`
|
|
#. :c:func:`glm_vec3_broadcast`
|
|
#. :c:func:`glm_vec3_eq`
|
|
#. :c:func:`glm_vec3_eq_eps`
|
|
#. :c:func:`glm_vec3_eq_all`
|
|
#. :c:func:`glm_vec3_eqv`
|
|
#. :c:func:`glm_vec3_eqv_eps`
|
|
#. :c:func:`glm_vec3_max`
|
|
#. :c:func:`glm_vec3_min`
|
|
#. :c:func:`glm_vec3_isnan`
|
|
#. :c:func:`glm_vec3_isinf`
|
|
#. :c:func:`glm_vec3_isvalid`
|
|
#. :c:func:`glm_vec3_sign`
|
|
#. :c:func:`glm_vec3_sqrt`
|
|
|
|
Functions documentation
|
|
~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
|
.. c:function:: void glm_vec3_mulv(vec3 a, vec3 b, vec3 d)
|
|
|
|
multiplies individual items
|
|
|
|
Parameters:
|
|
| *[in]* **a** vec1
|
|
| *[in]* **b** vec2
|
|
| *[out]* **d** destination (v1[0] * v2[0], v1[1] * v2[1], v1[2] * v2[2])
|
|
|
|
.. c:function:: void glm_vec3_broadcast(float val, vec3 d)
|
|
|
|
fill a vector with specified value
|
|
|
|
Parameters:
|
|
| *[in]* **val** value
|
|
| *[out]* **dest** destination
|
|
|
|
.. c:function:: bool glm_vec3_eq(vec3 v, float val)
|
|
|
|
check if vector is equal to value (without epsilon)
|
|
|
|
Parameters:
|
|
| *[in]* **v** vector
|
|
| *[in]* **val** value
|
|
|
|
.. c:function:: bool glm_vec3_eq_eps(vec3 v, float val)
|
|
|
|
check if vector is equal to value (with epsilon)
|
|
|
|
Parameters:
|
|
| *[in]* **v** vector
|
|
| *[in]* **val** value
|
|
|
|
.. c:function:: bool glm_vec3_eq_all(vec3 v)
|
|
|
|
check if vectors members are equal (without epsilon)
|
|
|
|
Parameters:
|
|
| *[in]* **v** vector
|
|
|
|
.. c:function:: bool glm_vec3_eqv(vec3 v1, vec3 v2)
|
|
|
|
check if vector is equal to another (without epsilon) vector
|
|
|
|
Parameters:
|
|
| *[in]* **vec** vector 1
|
|
| *[in]* **vec** vector 2
|
|
|
|
.. c:function:: bool glm_vec3_eqv_eps(vec3 v1, vec3 v2)
|
|
|
|
check if vector is equal to another (with epsilon)
|
|
|
|
Parameters:
|
|
| *[in]* **v1** vector1
|
|
| *[in]* **v2** vector2
|
|
|
|
.. c:function:: float glm_vec3_max(vec3 v)
|
|
|
|
max value of vector
|
|
|
|
Parameters:
|
|
| *[in]* **v** vector
|
|
|
|
.. c:function:: float glm_vec3_min(vec3 v)
|
|
|
|
min value of vector
|
|
|
|
Parameters:
|
|
| *[in]* **v** vector
|
|
|
|
.. c:function:: bool glm_vec3_isnan(vec3 v)
|
|
|
|
| check if one of items is NaN (not a number)
|
|
| you should only use this in DEBUG mode or very critical asserts
|
|
|
|
Parameters:
|
|
| *[in]* **v** vector
|
|
|
|
.. c:function:: bool glm_vec3_isinf(vec3 v)
|
|
|
|
| check if one of items is INFINITY
|
|
| you should only use this in DEBUG mode or very critical asserts
|
|
|
|
Parameters:
|
|
| *[in]* **v** vector
|
|
|
|
.. c:function:: bool glm_vec3_isvalid(vec3 v)
|
|
|
|
| check if all items are valid number
|
|
| you should only use this in DEBUG mode or very critical asserts
|
|
|
|
Parameters:
|
|
| *[in]* **v** vector
|
|
|
|
.. c:function:: void glm_vec3_sign(vec3 v, vec3 dest)
|
|
|
|
get sign of 32 bit float as +1, -1, 0
|
|
|
|
Parameters:
|
|
| *[in]* **v** vector
|
|
| *[out]* **dest** sign vector (only keeps signs as -1, 0, -1)
|
|
|
|
.. c:function:: void glm_vec3_sqrt(vec3 v, vec3 dest)
|
|
|
|
square root of each vector item
|
|
|
|
Parameters:
|
|
| *[in]* **v** vector
|
|
| *[out]* **dest** destination vector (sqrt(v))
|