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authorDmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>2018-04-18 11:37:53 -0400
committerAlex Deucher <alexander.deucher@amd.com>2018-05-18 16:08:21 -0500
commiteb0e515464e4a1be730c7ac7a01c3ba04c98ea97 (patch)
treeb54569bf1b09cd623fef47b5ed4724508a18206d /drivers/gpu/drm/amd/display/dc/basics
parentb79655c37b209315d3b533f6d63a3d6f5fcb6f84 (diff)
downloadlinux-eb0e515464e4a1be730c7ac7a01c3ba04c98ea97.tar.bz2
drm/amd/display: get rid of 32.32 unsigned fixed point
32.32 is redundant, 31.32 does everything we use 32.32 for Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com> Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> Acked-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/basics')
-rw-r--r--drivers/gpu/drm/amd/display/dc/basics/Makefile2
-rw-r--r--drivers/gpu/drm/amd/display/dc/basics/conversion.c28
-rw-r--r--drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c176
-rw-r--r--drivers/gpu/drm/amd/display/dc/basics/fixpt32_32.c161
4 files changed, 103 insertions, 264 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/basics/Makefile b/drivers/gpu/drm/amd/display/dc/basics/Makefile
index bca33bd9a0d2..b49ea96b5dae 100644
--- a/drivers/gpu/drm/amd/display/dc/basics/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/basics/Makefile
@@ -24,7 +24,7 @@
# It provides the general basic services required by other DAL
# subcomponents.
-BASICS = conversion.o fixpt31_32.o fixpt32_32.o \
+BASICS = conversion.o fixpt31_32.o \
logger.o log_helpers.o vector.o
AMD_DAL_BASICS = $(addprefix $(AMDDALPATH)/dc/basics/,$(BASICS))
diff --git a/drivers/gpu/drm/amd/display/dc/basics/conversion.c b/drivers/gpu/drm/amd/display/dc/basics/conversion.c
index 310964915a83..50b47f11875c 100644
--- a/drivers/gpu/drm/amd/display/dc/basics/conversion.c
+++ b/drivers/gpu/drm/amd/display/dc/basics/conversion.c
@@ -41,22 +41,22 @@ uint16_t fixed_point_to_int_frac(
uint16_t result;
- uint16_t d = (uint16_t)dal_fixed31_32_floor(
- dal_fixed31_32_abs(
+ uint16_t d = (uint16_t)dc_fixpt_floor(
+ dc_fixpt_abs(
arg));
if (d <= (uint16_t)(1 << integer_bits) - (1 / (uint16_t)divisor))
- numerator = (uint16_t)dal_fixed31_32_round(
- dal_fixed31_32_mul_int(
+ numerator = (uint16_t)dc_fixpt_round(
+ dc_fixpt_mul_int(
arg,
divisor));
else {
- numerator = dal_fixed31_32_floor(
- dal_fixed31_32_sub(
- dal_fixed31_32_from_int(
+ numerator = dc_fixpt_floor(
+ dc_fixpt_sub(
+ dc_fixpt_from_int(
1LL << integer_bits),
- dal_fixed31_32_recip(
- dal_fixed31_32_from_int(
+ dc_fixpt_recip(
+ dc_fixpt_from_int(
divisor))));
}
@@ -66,8 +66,8 @@ uint16_t fixed_point_to_int_frac(
result = (uint16_t)(
(1 << (integer_bits + fractional_bits + 1)) + numerator);
- if ((result != 0) && dal_fixed31_32_lt(
- arg, dal_fixed31_32_zero))
+ if ((result != 0) && dc_fixpt_lt(
+ arg, dc_fixpt_zero))
result |= 1 << (integer_bits + fractional_bits);
return result;
@@ -84,15 +84,15 @@ void convert_float_matrix(
uint32_t buffer_size)
{
const struct fixed31_32 min_2_13 =
- dal_fixed31_32_from_fraction(S2D13_MIN, DIVIDER);
+ dc_fixpt_from_fraction(S2D13_MIN, DIVIDER);
const struct fixed31_32 max_2_13 =
- dal_fixed31_32_from_fraction(S2D13_MAX, DIVIDER);
+ dc_fixpt_from_fraction(S2D13_MAX, DIVIDER);
uint32_t i;
for (i = 0; i < buffer_size; ++i) {
uint32_t reg_value =
fixed_point_to_int_frac(
- dal_fixed31_32_clamp(
+ dc_fixpt_clamp(
flt[i],
min_2_13,
max_2_13),
diff --git a/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c b/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c
index 7191c3213743..e398ecdf742c 100644
--- a/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c
+++ b/drivers/gpu/drm/amd/display/dc/basics/fixpt31_32.c
@@ -64,7 +64,7 @@ static inline unsigned long long complete_integer_division_u64(
#define GET_FRACTIONAL_PART(x) \
(FRACTIONAL_PART_MASK & (x))
-struct fixed31_32 dal_fixed31_32_from_fraction(
+struct fixed31_32 dc_fixpt_from_fraction(
long long numerator,
long long denominator)
{
@@ -118,7 +118,7 @@ struct fixed31_32 dal_fixed31_32_from_fraction(
return res;
}
-struct fixed31_32 dal_fixed31_32_from_int_nonconst(
+struct fixed31_32 dc_fixpt_from_int_nonconst(
long long arg)
{
struct fixed31_32 res;
@@ -130,7 +130,7 @@ struct fixed31_32 dal_fixed31_32_from_int_nonconst(
return res;
}
-struct fixed31_32 dal_fixed31_32_shl(
+struct fixed31_32 dc_fixpt_shl(
struct fixed31_32 arg,
unsigned char shift)
{
@@ -144,7 +144,7 @@ struct fixed31_32 dal_fixed31_32_shl(
return res;
}
-struct fixed31_32 dal_fixed31_32_add(
+struct fixed31_32 dc_fixpt_add(
struct fixed31_32 arg1,
struct fixed31_32 arg2)
{
@@ -158,7 +158,7 @@ struct fixed31_32 dal_fixed31_32_add(
return res;
}
-struct fixed31_32 dal_fixed31_32_sub(
+struct fixed31_32 dc_fixpt_sub(
struct fixed31_32 arg1,
struct fixed31_32 arg2)
{
@@ -172,7 +172,7 @@ struct fixed31_32 dal_fixed31_32_sub(
return res;
}
-struct fixed31_32 dal_fixed31_32_mul(
+struct fixed31_32 dc_fixpt_mul(
struct fixed31_32 arg1,
struct fixed31_32 arg2)
{
@@ -213,7 +213,7 @@ struct fixed31_32 dal_fixed31_32_mul(
tmp = arg1_fra * arg2_fra;
tmp = (tmp >> FIXED31_32_BITS_PER_FRACTIONAL_PART) +
- (tmp >= (unsigned long long)dal_fixed31_32_half.value);
+ (tmp >= (unsigned long long)dc_fixpt_half.value);
ASSERT(tmp <= (unsigned long long)(LLONG_MAX - res.value));
@@ -225,7 +225,7 @@ struct fixed31_32 dal_fixed31_32_mul(
return res;
}
-struct fixed31_32 dal_fixed31_32_sqr(
+struct fixed31_32 dc_fixpt_sqr(
struct fixed31_32 arg)
{
struct fixed31_32 res;
@@ -257,7 +257,7 @@ struct fixed31_32 dal_fixed31_32_sqr(
tmp = arg_fra * arg_fra;
tmp = (tmp >> FIXED31_32_BITS_PER_FRACTIONAL_PART) +
- (tmp >= (unsigned long long)dal_fixed31_32_half.value);
+ (tmp >= (unsigned long long)dc_fixpt_half.value);
ASSERT(tmp <= (unsigned long long)(LLONG_MAX - res.value));
@@ -266,7 +266,7 @@ struct fixed31_32 dal_fixed31_32_sqr(
return res;
}
-struct fixed31_32 dal_fixed31_32_recip(
+struct fixed31_32 dc_fixpt_recip(
struct fixed31_32 arg)
{
/*
@@ -276,41 +276,41 @@ struct fixed31_32 dal_fixed31_32_recip(
ASSERT(arg.value);
- return dal_fixed31_32_from_fraction(
- dal_fixed31_32_one.value,
+ return dc_fixpt_from_fraction(
+ dc_fixpt_one.value,
arg.value);
}
-struct fixed31_32 dal_fixed31_32_sinc(
+struct fixed31_32 dc_fixpt_sinc(
struct fixed31_32 arg)
{
struct fixed31_32 square;
- struct fixed31_32 res = dal_fixed31_32_one;
+ struct fixed31_32 res = dc_fixpt_one;
int n = 27;
struct fixed31_32 arg_norm = arg;
- if (dal_fixed31_32_le(
- dal_fixed31_32_two_pi,
- dal_fixed31_32_abs(arg))) {
- arg_norm = dal_fixed31_32_sub(
+ if (dc_fixpt_le(
+ dc_fixpt_two_pi,
+ dc_fixpt_abs(arg))) {
+ arg_norm = dc_fixpt_sub(
arg_norm,
- dal_fixed31_32_mul_int(
- dal_fixed31_32_two_pi,
+ dc_fixpt_mul_int(
+ dc_fixpt_two_pi,
(int)div64_s64(
arg_norm.value,
- dal_fixed31_32_two_pi.value)));
+ dc_fixpt_two_pi.value)));
}
- square = dal_fixed31_32_sqr(arg_norm);
+ square = dc_fixpt_sqr(arg_norm);
do {
- res = dal_fixed31_32_sub(
- dal_fixed31_32_one,
- dal_fixed31_32_div_int(
- dal_fixed31_32_mul(
+ res = dc_fixpt_sub(
+ dc_fixpt_one,
+ dc_fixpt_div_int(
+ dc_fixpt_mul(
square,
res),
n * (n - 1)));
@@ -319,37 +319,37 @@ struct fixed31_32 dal_fixed31_32_sinc(
} while (n > 2);
if (arg.value != arg_norm.value)
- res = dal_fixed31_32_div(
- dal_fixed31_32_mul(res, arg_norm),
+ res = dc_fixpt_div(
+ dc_fixpt_mul(res, arg_norm),
arg);
return res;
}
-struct fixed31_32 dal_fixed31_32_sin(
+struct fixed31_32 dc_fixpt_sin(
struct fixed31_32 arg)
{
- return dal_fixed31_32_mul(
+ return dc_fixpt_mul(
arg,
- dal_fixed31_32_sinc(arg));
+ dc_fixpt_sinc(arg));
}
-struct fixed31_32 dal_fixed31_32_cos(
+struct fixed31_32 dc_fixpt_cos(
struct fixed31_32 arg)
{
/* TODO implement argument normalization */
- const struct fixed31_32 square = dal_fixed31_32_sqr(arg);
+ const struct fixed31_32 square = dc_fixpt_sqr(arg);
- struct fixed31_32 res = dal_fixed31_32_one;
+ struct fixed31_32 res = dc_fixpt_one;
int n = 26;
do {
- res = dal_fixed31_32_sub(
- dal_fixed31_32_one,
- dal_fixed31_32_div_int(
- dal_fixed31_32_mul(
+ res = dc_fixpt_sub(
+ dc_fixpt_one,
+ dc_fixpt_div_int(
+ dc_fixpt_mul(
square,
res),
n * (n - 1)));
@@ -372,31 +372,31 @@ static struct fixed31_32 fixed31_32_exp_from_taylor_series(
{
unsigned int n = 9;
- struct fixed31_32 res = dal_fixed31_32_from_fraction(
+ struct fixed31_32 res = dc_fixpt_from_fraction(
n + 2,
n + 1);
/* TODO find correct res */
- ASSERT(dal_fixed31_32_lt(arg, dal_fixed31_32_one));
+ ASSERT(dc_fixpt_lt(arg, dc_fixpt_one));
do
- res = dal_fixed31_32_add(
- dal_fixed31_32_one,
- dal_fixed31_32_div_int(
- dal_fixed31_32_mul(
+ res = dc_fixpt_add(
+ dc_fixpt_one,
+ dc_fixpt_div_int(
+ dc_fixpt_mul(
arg,
res),
n));
while (--n != 1);
- return dal_fixed31_32_add(
- dal_fixed31_32_one,
- dal_fixed31_32_mul(
+ return dc_fixpt_add(
+ dc_fixpt_one,
+ dc_fixpt_mul(
arg,
res));
}
-struct fixed31_32 dal_fixed31_32_exp(
+struct fixed31_32 dc_fixpt_exp(
struct fixed31_32 arg)
{
/*
@@ -406,44 +406,44 @@ struct fixed31_32 dal_fixed31_32_exp(
* where m = round(x / ln(2)), r = x - m * ln(2)
*/
- if (dal_fixed31_32_le(
- dal_fixed31_32_ln2_div_2,
- dal_fixed31_32_abs(arg))) {
- int m = dal_fixed31_32_round(
- dal_fixed31_32_div(
+ if (dc_fixpt_le(
+ dc_fixpt_ln2_div_2,
+ dc_fixpt_abs(arg))) {
+ int m = dc_fixpt_round(
+ dc_fixpt_div(
arg,
- dal_fixed31_32_ln2));
+ dc_fixpt_ln2));
- struct fixed31_32 r = dal_fixed31_32_sub(
+ struct fixed31_32 r = dc_fixpt_sub(
arg,
- dal_fixed31_32_mul_int(
- dal_fixed31_32_ln2,
+ dc_fixpt_mul_int(
+ dc_fixpt_ln2,
m));
ASSERT(m != 0);
- ASSERT(dal_fixed31_32_lt(
- dal_fixed31_32_abs(r),
- dal_fixed31_32_one));
+ ASSERT(dc_fixpt_lt(
+ dc_fixpt_abs(r),
+ dc_fixpt_one));
if (m > 0)
- return dal_fixed31_32_shl(
+ return dc_fixpt_shl(
fixed31_32_exp_from_taylor_series(r),
(unsigned char)m);
else
- return dal_fixed31_32_div_int(
+ return dc_fixpt_div_int(
fixed31_32_exp_from_taylor_series(r),
1LL << -m);
} else if (arg.value != 0)
return fixed31_32_exp_from_taylor_series(arg);
else
- return dal_fixed31_32_one;
+ return dc_fixpt_one;
}
-struct fixed31_32 dal_fixed31_32_log(
+struct fixed31_32 dc_fixpt_log(
struct fixed31_32 arg)
{
- struct fixed31_32 res = dal_fixed31_32_neg(dal_fixed31_32_one);
+ struct fixed31_32 res = dc_fixpt_neg(dc_fixpt_one);
/* TODO improve 1st estimation */
struct fixed31_32 error;
@@ -453,15 +453,15 @@ struct fixed31_32 dal_fixed31_32_log(
/* TODO if arg is zero, return -INF */
do {
- struct fixed31_32 res1 = dal_fixed31_32_add(
- dal_fixed31_32_sub(
+ struct fixed31_32 res1 = dc_fixpt_add(
+ dc_fixpt_sub(
res,
- dal_fixed31_32_one),
- dal_fixed31_32_div(
+ dc_fixpt_one),
+ dc_fixpt_div(
arg,
- dal_fixed31_32_exp(res)));
+ dc_fixpt_exp(res)));
- error = dal_fixed31_32_sub(
+ error = dc_fixpt_sub(
res,
res1);
@@ -472,17 +472,17 @@ struct fixed31_32 dal_fixed31_32_log(
return res;
}
-struct fixed31_32 dal_fixed31_32_pow(
+struct fixed31_32 dc_fixpt_pow(
struct fixed31_32 arg1,
struct fixed31_32 arg2)
{
- return dal_fixed31_32_exp(
- dal_fixed31_32_mul(
- dal_fixed31_32_log(arg1),
+ return dc_fixpt_exp(
+ dc_fixpt_mul(
+ dc_fixpt_log(arg1),
arg2));
}
-int dal_fixed31_32_floor(
+int dc_fixpt_floor(
struct fixed31_32 arg)
{
unsigned long long arg_value = abs_i64(arg.value);
@@ -493,12 +493,12 @@ int dal_fixed31_32_floor(
return -(int)GET_INTEGER_PART(arg_value);
}
-int dal_fixed31_32_round(
+int dc_fixpt_round(
struct fixed31_32 arg)
{
unsigned long long arg_value = abs_i64(arg.value);
- const long long summand = dal_fixed31_32_half.value;
+ const long long summand = dc_fixpt_half.value;
ASSERT(LLONG_MAX - (long long)arg_value >= summand);
@@ -510,13 +510,13 @@ int dal_fixed31_32_round(
return -(int)GET_INTEGER_PART(arg_value);
}
-int dal_fixed31_32_ceil(
+int dc_fixpt_ceil(
struct fixed31_32 arg)
{
unsigned long long arg_value = abs_i64(arg.value);
- const long long summand = dal_fixed31_32_one.value -
- dal_fixed31_32_epsilon.value;
+ const long long summand = dc_fixpt_one.value -
+ dc_fixpt_epsilon.value;
ASSERT(LLONG_MAX - (long long)arg_value >= summand);
@@ -531,7 +531,7 @@ int dal_fixed31_32_ceil(
/* this function is a generic helper to translate fixed point value to
* specified integer format that will consist of integer_bits integer part and
* fractional_bits fractional part. For example it is used in
- * dal_fixed31_32_u2d19 to receive 2 bits integer part and 19 bits fractional
+ * dc_fixpt_u2d19 to receive 2 bits integer part and 19 bits fractional
* part in 32 bits. It is used in hw programming (scaler)
*/
@@ -570,35 +570,35 @@ static inline unsigned int clamp_ux_dy(
return min_clamp;
}
-unsigned int dal_fixed31_32_u2d19(
+unsigned int dc_fixpt_u2d19(
struct fixed31_32 arg)
{
return ux_dy(arg.value, 2, 19);
}
-unsigned int dal_fixed31_32_u0d19(
+unsigned int dc_fixpt_u0d19(
struct fixed31_32 arg)
{
return ux_dy(arg.value, 0, 19);
}
-unsigned int dal_fixed31_32_clamp_u0d14(
+unsigned int dc_fixpt_clamp_u0d14(
struct fixed31_32 arg)
{
return clamp_ux_dy(arg.value, 0, 14, 1);
}
-unsigned int dal_fixed31_32_clamp_u0d10(
+unsigned int dc_fixpt_clamp_u0d10(
struct fixed31_32 arg)
{
return clamp_ux_dy(arg.value, 0, 10, 1);
}
-int dal_fixed31_32_s4d19(
+int dc_fixpt_s4d19(
struct fixed31_32 arg)
{
if (arg.value < 0)
- return -(int)ux_dy(dal_fixed31_32_abs(arg).value, 4, 19);
+ return -(int)ux_dy(dc_fixpt_abs(arg).value, 4, 19);
else
return ux_dy(arg.value, 4, 19);
}
diff --git a/drivers/gpu/drm/amd/display/dc/basics/fixpt32_32.c b/drivers/gpu/drm/amd/display/dc/basics/fixpt32_32.c
deleted file mode 100644
index 4d3aaa82a07b..000000000000
--- a/drivers/gpu/drm/amd/display/dc/basics/fixpt32_32.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * Copyright 2012-15 Advanced Micro Devices, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors: AMD
- *
- */
-
-#include "dm_services.h"
-#include "include/fixed32_32.h"
-
-static uint64_t u64_div(uint64_t n, uint64_t d)
-{
- uint32_t i = 0;
- uint64_t r;
- uint64_t q = div64_u64_rem(n, d, &r);
-
- for (i = 0; i < 32; ++i) {
- uint64_t sbit = q & (1ULL<<63);
-
- r <<= 1;
- r |= sbit ? 1 : 0;
- q <<= 1;
- if (r >= d) {
- r -= d;
- q |= 1;
- }
- }
-
- if (2*r >= d)
- q += 1;
- return q;
-}
-
-struct fixed32_32 dal_fixed32_32_from_fraction(uint32_t n, uint32_t d)
-{
- struct fixed32_32 fx;
-
- fx.value = u64_div((uint64_t)n << 32, (uint64_t)d << 32);
- return fx;
-}
-
-struct fixed32_32 dal_fixed32_32_add(
- struct fixed32_32 lhs,
- struct fixed32_32 rhs)
-{
- struct fixed32_32 fx = {lhs.value + rhs.value};
-
- ASSERT(fx.value >= rhs.value);
- return fx;
-}
-
-struct fixed32_32 dal_fixed32_32_add_int(struct fixed32_32 lhs, uint32_t rhs)
-{
- struct fixed32_32 fx = {lhs.value + ((uint64_t)rhs << 32)};
-
- ASSERT(fx.value >= (uint64_t)rhs << 32);
- return fx;
-
-}
-struct fixed32_32 dal_fixed32_32_sub(
- struct fixed32_32 lhs,
- struct fixed32_32 rhs)
-{
- struct fixed32_32 fx;
-
- ASSERT(lhs.value >= rhs.value);
- fx.value = lhs.value - rhs.value;
- return fx;
-}
-
-struct fixed32_32 dal_fixed32_32_sub_int(struct fixed32_32 lhs, uint32_t rhs)
-{
- struct fixed32_32 fx;
-
- ASSERT(lhs.value >= ((uint64_t)rhs<<32));
- fx.value = lhs.value - ((uint64_t)rhs<<32);
- return fx;
-}
-
-struct fixed32_32 dal_fixed32_32_mul(
- struct fixed32_32 lhs,
- struct fixed32_32 rhs)
-{
- struct fixed32_32 fx;
- uint64_t lhs_int = lhs.value>>32;
- uint64_t lhs_frac = (uint32_t)lhs.value;
- uint64_t rhs_int = rhs.value>>32;
- uint64_t rhs_frac = (uint32_t)rhs.value;
- uint64_t ahbh = lhs_int * rhs_int;
- uint64_t ahbl = lhs_int * rhs_frac;
- uint64_t albh = lhs_frac * rhs_int;
- uint64_t albl = lhs_frac * rhs_frac;
-
- ASSERT((ahbh>>32) == 0);
-
- fx.value = (ahbh<<32) + ahbl + albh + (albl>>32);
- return fx;
-
-}
-
-struct fixed32_32 dal_fixed32_32_mul_int(struct fixed32_32 lhs, uint32_t rhs)
-{
- struct fixed32_32 fx;
- uint64_t lhsi = (lhs.value>>32) * (uint64_t)rhs;
- uint64_t lhsf;
-
- ASSERT((lhsi>>32) == 0);
- lhsf = ((uint32_t)lhs.value) * (uint64_t)rhs;
- ASSERT((lhsi<<32) + lhsf >= lhsf);
- fx.value = (lhsi<<32) + lhsf;
- return fx;
-}
-
-struct fixed32_32 dal_fixed32_32_div(
- struct fixed32_32 lhs,
- struct fixed32_32 rhs)
-{
- struct fixed32_32 fx;
-
- fx.value = u64_div(lhs.value, rhs.value);
- return fx;
-}
-
-struct fixed32_32 dal_fixed32_32_div_int(struct fixed32_32 lhs, uint32_t rhs)
-{
- struct fixed32_32 fx;
-
- fx.value = u64_div(lhs.value, (uint64_t)rhs << 32);
- return fx;
-}
-
-uint32_t dal_fixed32_32_ceil(struct fixed32_32 v)
-{
- ASSERT((uint32_t)v.value ? (v.value >> 32) + 1 >= 1 : true);
- return (v.value>>32) + ((uint32_t)v.value ? 1 : 0);
-}
-
-uint32_t dal_fixed32_32_round(struct fixed32_32 v)
-{
- ASSERT(v.value + (1ULL<<31) >= (1ULL<<31));
- return (v.value + (1ULL<<31))>>32;
-}
-