1 /**************************************************************************
3 * Copyright 2009 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
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11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 * Helper arithmetic functions.
32 * @author Jose Fonseca <jfonseca@vmware.com>
40 #include <llvm-c/Core.h>
44 struct lp_build_context
;
48 * Complement, i.e., 1 - a.
51 lp_build_comp(struct lp_build_context
*bld
,
55 lp_build_add(struct lp_build_context
*bld
,
60 lp_build_sub(struct lp_build_context
*bld
,
65 lp_build_mul(struct lp_build_context
*bld
,
70 lp_build_div(struct lp_build_context
*bld
,
75 lp_build_lerp(struct lp_build_context
*bld
,
81 * Bilinear interpolation.
83 * Values indices are in v_{yx}.
86 lp_build_lerp_2d(struct lp_build_context
*bld
,
95 lp_build_min(struct lp_build_context
*bld
,
100 lp_build_max(struct lp_build_context
*bld
,
105 lp_build_abs(struct lp_build_context
*bld
,
109 lp_build_sgn(struct lp_build_context
*bld
,
113 lp_build_round(struct lp_build_context
*bld
,
117 lp_build_floor(struct lp_build_context
*bld
,
121 lp_build_ceil(struct lp_build_context
*bld
,
125 lp_build_trunc(struct lp_build_context
*bld
,
129 lp_build_int(struct lp_build_context
*bld
,
133 lp_build_ifloor(struct lp_build_context
*bld
,
137 lp_build_sqrt(struct lp_build_context
*bld
,
141 lp_build_rcp(struct lp_build_context
*bld
,
145 lp_build_rsqrt(struct lp_build_context
*bld
,
149 lp_build_cos(struct lp_build_context
*bld
,
153 lp_build_sin(struct lp_build_context
*bld
,
157 lp_build_pow(struct lp_build_context
*bld
,
162 lp_build_exp(struct lp_build_context
*bld
,
166 lp_build_log(struct lp_build_context
*bld
,
170 lp_build_exp2(struct lp_build_context
*bld
,
174 lp_build_log2(struct lp_build_context
*bld
,
178 lp_build_exp2_approx(struct lp_build_context
*bld
,
180 LLVMValueRef
*p_exp2_int_part
,
181 LLVMValueRef
*p_frac_part
,
182 LLVMValueRef
*p_exp2
);
185 lp_build_log2_approx(struct lp_build_context
*bld
,
188 LLVMValueRef
*p_floor_log2
,
189 LLVMValueRef
*p_log2
);
191 #endif /* !LP_BLD_ARIT_H */