1 /**************************************************************************
3 * Copyright 2009 VMware, Inc.
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11 * permit persons to whom the Software is furnished to do so, subject to
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14 * The above copyright notice and this permission notice (including the
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18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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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 "gallivm/lp_bld.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_sum_vector(struct lp_build_context *bld,
64 lp_build_sub(struct lp_build_context *bld,
69 lp_build_mul(struct lp_build_context *bld,
74 lp_build_mul_imm(struct lp_build_context *bld,
79 lp_build_div(struct lp_build_context *bld,
84 lp_build_lerp(struct lp_build_context *bld,
90 * Bilinear interpolation.
92 * Values indices are in v_{yx}.
95 lp_build_lerp_2d(struct lp_build_context *bld,
104 lp_build_min(struct lp_build_context *bld,
109 lp_build_max(struct lp_build_context *bld,
114 lp_build_clamp(struct lp_build_context *bld,
120 lp_build_abs(struct lp_build_context *bld,
124 lp_build_negate(struct lp_build_context *bld,
128 lp_build_sgn(struct lp_build_context *bld,
132 lp_build_set_sign(struct lp_build_context *bld,
133 LLVMValueRef a, LLVMValueRef sign);
136 lp_build_int_to_float(struct lp_build_context *bld,
140 lp_build_round(struct lp_build_context *bld,
144 lp_build_floor(struct lp_build_context *bld,
148 lp_build_ceil(struct lp_build_context *bld,
152 lp_build_trunc(struct lp_build_context *bld,
156 lp_build_fract(struct lp_build_context *bld,
160 lp_build_ifloor(struct lp_build_context *bld,
163 lp_build_iceil(struct lp_build_context *bld,
167 lp_build_iround(struct lp_build_context *bld,
171 lp_build_itrunc(struct lp_build_context *bld,
175 lp_build_ifloor_fract(struct lp_build_context *bld,
177 LLVMValueRef *out_ipart,
178 LLVMValueRef *out_fpart);
181 lp_build_sqrt(struct lp_build_context *bld,
185 lp_build_rcp(struct lp_build_context *bld,
189 lp_build_rsqrt(struct lp_build_context *bld,
193 lp_build_cos(struct lp_build_context *bld,
197 lp_build_sin(struct lp_build_context *bld,
201 lp_build_pow(struct lp_build_context *bld,
206 lp_build_exp(struct lp_build_context *bld,
210 lp_build_log(struct lp_build_context *bld,
214 lp_build_exp2(struct lp_build_context *bld,
218 lp_build_extract_exponent(struct lp_build_context *bld,
223 lp_build_extract_mantissa(struct lp_build_context *bld,
227 lp_build_log2(struct lp_build_context *bld,
231 lp_build_fast_log2(struct lp_build_context *bld,
235 lp_build_ilog2(struct lp_build_context *bld,
239 lp_build_exp2_approx(struct lp_build_context *bld,
241 LLVMValueRef *p_exp2_int_part,
242 LLVMValueRef *p_frac_part,
243 LLVMValueRef *p_exp2);
246 lp_build_log2_approx(struct lp_build_context *bld,
249 LLVMValueRef *p_floor_log2,
250 LLVMValueRef *p_log2);
252 #endif /* !LP_BLD_ARIT_H */