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/linux/arch/mips/math-emu/
H A Ddp_sqrt.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * Copyright (C) 1994-2000 Algorithmics Ltd.
20 union ieee754dp ieee754dp_sqrt(union ieee754dp x) in ieee754dp_sqrt() argument
23 union ieee754dp y, z, t; in ieee754dp_sqrt() local
31 /* x == INF or NAN? */ in ieee754dp_sqrt()
34 return ieee754dp_nanxcpt(x); in ieee754dp_sqrt()
38 return x; in ieee754dp_sqrt()
42 return x; in ieee754dp_sqrt()
46 /* sqrt(-Inf) = Nan */ in ieee754dp_sqrt()
51 return x; in ieee754dp_sqrt()
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H A Dieee754.h1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * Copyright (C) 1994-2000 Algorithmics Ltd.
45 int ieee754sp_class(union ieee754sp x);
47 union ieee754sp ieee754sp_abs(union ieee754sp x);
48 union ieee754sp ieee754sp_neg(union ieee754sp x);
50 union ieee754sp ieee754sp_add(union ieee754sp x, union ieee754sp y);
51 union ieee754sp ieee754sp_sub(union ieee754sp x, union ieee754sp y);
52 union ieee754sp ieee754sp_mul(union ieee754sp x, union ieee754sp y);
53 union ieee754sp ieee754sp_div(union ieee754sp x, union ieee754sp y);
55 union ieee754sp ieee754sp_fint(int x);
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/linux/include/linux/
H A Dminmax.h1 /* SPDX-License-Identifier: GPL-2.0 */
13 * - Avoid multiple evaluations of the arguments (so side-effects like
14 * "x++" happen only once) when non-constant.
15 * - Retain result as a constant expressions when called with only
18 * - Perform signed v unsigned type-checking (to generate compile
20 * - Unsigned char/short are always promoted to signed int and can be
22 * - Unsigned arguments can be compared against non-negative signed constants.
23 * - Comparison of a signed argument against an unsigned constant fails
26 #define __typecheck(x, y) \ argument
27 (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
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/linux/scripts/coccinelle/misc/
H A Dminmax.cocci1 // SPDX-License-Identifier: GPL-2.0-only
9 // Options: --no-includes --include-header
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/linux/Documentation/gpu/amdgpu/display/
H A Ddcn3_cm_drm_current.svg1 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
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H A Ddcn2_cm_drm_current.svg1 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
2 <!-- Created with Inkscape (http://www.inkscape.org/) -->
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31 inkscape:window-height="1011"
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35 inkscape:current-layer="g2025" />
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/linux/Documentation/networking/device_drivers/can/ctu/
H A Dfsm_txt_buffer_user.svg1 <?xml version="1.0" encoding="UTF-8"?>
2 …mlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
5 …-.6)" d="m8.71859 4.03374-10.9259-4.01772 10.9259-4.01772c-1.7455 2.37206-1.73544 5.61745-6e-7 8.0…
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26 …3374-10.9259-4.01772 10.9259-4.01772c-1.7455 2.37206-1.73544 5.61745-6e-7 8.03544z" fill-rule="eve…
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/linux/Documentation/dev-tools/kunit/
H A Dkunit_suitememorydiagram.svg1 <?xml version="1.0" encoding="UTF-8"?>
3 <g transform="translate(-13.724 -17.943)">
4 <g fill="#dad4d4" fill-opacity=".91765" stroke="#1a1a1a">
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/linux/include/math-emu/
H A Dop-common.h1 /* Software floating-point emulation. Common operations.
22 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
27 #define _FP_DECL(wc, X) \ argument
28 _FP_I_TYPE X##_c=0, X##_s=0, X##_e=0; \
29 _FP_FRAC_DECL_##wc(X)
36 #define _FP_UNPACK_CANONICAL(fs, wc, X) \ argument
38 switch (X##_e) \
41 _FP_FRAC_HIGH_RAW_##fs(X) |= _FP_IMPLBIT_##fs; \
42 _FP_FRAC_SLL_##wc(X, _FP_WORKBITS); \
43 X##_e -= _FP_EXPBIAS_##fs; \
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H A Dop-2.h1 /* Software floating-point emulation.
2 Basic two-word fraction declaration and manipulation.
23 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
28 #define _FP_FRAC_DECL_2(X) _FP_W_TYPE X##_f0 = 0, X##_f1 = 0 argument
30 #define _FP_FRAC_SET_2(X,I) __FP_FRAC_SET_2(X, I) argument
31 #define _FP_FRAC_HIGH_2(X) (X##_f1) argument
32 #define _FP_FRAC_LOW_2(X) (X##_f0) argument
33 #define _FP_FRAC_WORD_2(X,w) (X##_f##w) argument
34 #define _FP_FRAC_SLL_2(X, N) ( \ argument
38 X##_f1 = X##_f1 + X##_f1 + \
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H A Ddouble.h1 /* Software floating-point emulation.
23 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
39 #define _FP_FRACXBITS_D (_FP_FRACTBITS_D - _FP_FRACBITS_D)
41 #define _FP_WFRACXBITS_D (_FP_FRACTBITS_D - _FP_WFRACBITS_D)
47 ((_FP_W_TYPE)1 << (_FP_FRACBITS_D-2) % _FP_W_TYPE_SIZE)
49 ((_FP_W_TYPE)1 << (_FP_FRACBITS_D-1) % _FP_W_TYPE_SIZE)
62 unsigned frac1 : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0) - _FP_W_TYPE_SIZE;
66 unsigned frac1 : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0) - _FP_W_TYPE_SIZE;
73 #define FP_DECL_D(X) _FP_DECL(2,X) argument
74 #define FP_UNPACK_RAW_D(X,val) _FP_UNPACK_RAW_2(D,X,val) argument
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H A Dop-4.h1 /* Software floating-point emulation.
2 Basic four-word fraction declaration and manipulation.
23 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
28 #define _FP_FRAC_DECL_4(X) _FP_W_TYPE X##_f[4] argument
32 #define _FP_FRAC_SET_4(X,I) __FP_FRAC_SET_4(X, I) argument
33 #define _FP_FRAC_HIGH_4(X) (X##_f[3]) argument
34 #define _FP_FRAC_LOW_4(X) (X##_f[0]) argument
35 #define _FP_FRAC_WORD_4(X,w) (X##_f[w]) argument
37 #define _FP_FRAC_SLL_4(X,N) \ argument
42 _down = _FP_W_TYPE_SIZE - _up; \
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H A Dquad.h1 /* Software floating-point emulation.
23 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
39 #define _FP_FRACXBITS_Q (_FP_FRACTBITS_Q - _FP_FRACBITS_Q)
41 #define _FP_WFRACXBITS_Q (_FP_FRACTBITS_Q - _FP_WFRACBITS_Q)
47 ((_FP_W_TYPE)1 << (_FP_FRACBITS_Q-2) % _FP_W_TYPE_SIZE)
49 ((_FP_W_TYPE)1 << (_FP_FRACBITS_Q-1) % _FP_W_TYPE_SIZE)
63 unsigned long frac3 : _FP_FRACBITS_Q - (_FP_IMPLBIT_Q != 0)-(_FP_W_TYPE_SIZE * 3);
71 unsigned long frac3 : _FP_FRACBITS_Q - (_FP_IMPLBIT_Q != 0)-(_FP_W_TYPE_SIZE * 3);
79 #define FP_DECL_Q(X) _FP_DECL(4,X) argument
80 #define FP_UNPACK_RAW_Q(X,val) _FP_UNPACK_RAW_4(Q,X,val) argument
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H A Dop-1.h1 /* Software floating-point emulation.
2 Basic one-word fraction declaration and manipulation.
23 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
28 #define _FP_FRAC_DECL_1(X) _FP_W_TYPE X##_f=0 argument
30 #define _FP_FRAC_SET_1(X,I) (X##_f = I) argument
31 #define _FP_FRAC_HIGH_1(X) (X##_f) argument
32 #define _FP_FRAC_LOW_1(X) (X##_f) argument
33 #define _FP_FRAC_WORD_1(X,w) (X##_f) argument
35 #define _FP_FRAC_ADDI_1(X,I) (X##_f += I) argument
36 #define _FP_FRAC_SLL_1(X,N) \ argument
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/linux/sound/usb/
H A Dmixer_us16x08.h1 /* SPDX-License-Identifier: GPL-2.0 */
7 /* define some bias, cause some alsa-mixers wont work with
8 * negative ranges or if mixer-min != 0
18 #define SND_US16X08_KCBIAS(x) (((x)->private_value >> 24) & 0xff) argument
19 #define SND_US16X08_KCSTEP(x) (((x)->private_value >> 16) & 0xff) argument
20 #define SND_US16X08_KCMIN(x) (((x)->private_value >> 8) & 0xff) argument
21 #define SND_US16X08_KCMAX(x) (((x)->private_value >> 0) & 0xff) argument
34 #define MUA0(x, y) ((x)[(y) * 10 + 4]) argument
35 #define MUA1(x, y) ((x)[(y) * 10 + 5]) argument
36 #define MUA2(x, y) ((x)[(y) * 10 + 6]) argument
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/linux/arch/x86/mm/
H A Dphysaddr.c1 // SPDX-License-Identifier: GPL-2.0
15 unsigned long __phys_addr(unsigned long x) in __phys_addr() argument
17 unsigned long y = x - __START_KERNEL_map; in __phys_addr() local
19 /* use the carry flag to determine if x was < __START_KERNEL_map */ in __phys_addr()
20 if (unlikely(x > y)) { in __phys_addr()
21 x = y + phys_base; in __phys_addr()
23 VIRTUAL_BUG_ON(y >= KERNEL_IMAGE_SIZE); in __phys_addr()
25 x = y + (__START_KERNEL_map - PAGE_OFFSET); in __phys_addr()
27 /* carry flag will be set if starting x was >= PAGE_OFFSET */ in __phys_addr()
28 VIRTUAL_BUG_ON((x > y) || !phys_addr_valid(x)); in __phys_addr()
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/linux/arch/m68k/fpsp040/
H A Dsrem_mod.S5 | input values X and Y. The entry point sREM computes the floating
6 | point (IEEE) REM of the input values X and Y.
9 | -----
10 | Double-extended value Y is pointed to by address in register
11 | A0. Double-extended value X is located in -12(A0). The values
12 | of X and Y are both nonzero and finite; although either or both
17 | ------
18 | FREM(X,Y) or FMOD(X,Y), depending on entry point.
21 | ---------
23 | Step 1. Save and strip signs of X and Y: signX := sign(X),
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/linux/Documentation/devicetree/bindings/input/touchscreen/
H A Dresistive-adc-touch.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/input/touchscreen/resistive-adc-touch.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Oleksij Rempel <o.rempel@pengutronix.de>
18 - $ref: touchscreen.yaml#
22 const: resistive-adc-touch
24 io-channels:
27 - description: x
28 - description: y
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/linux/Documentation/devicetree/bindings/iio/accel/
H A Dlis302.txt8 - compatible: should be set to "st,lis3lv02d-spi"
9 - reg: the chipselect index
10 - spi-max-frequency: maximal bus speed, should be set to 1000000 unless
12 - interrupts: the interrupt generated by the device
15 - compatible: should be set to "st,lis3lv02d"
16 - reg: i2c slave address
17 - Vdd-supply: The input supply for Vdd
18 - Vdd_IO-supply: The input supply for Vdd_IO
23 - st,click-single-{x,y,z}: if present, tells the device to issue an
25 x/y/z axis.
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/linux/Documentation/userspace-api/media/dvb/
H A Ddvbstb.svg1 <?xml version="1.0" encoding="UTF-8"?>
2 <!-- SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later -->
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5 x="1013.1317" y="5435.1221"><tspan id="tspan218" fill="#000000">Antenna</tspan></tspan></tspan></te…
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/linux/drivers/platform/x86/
H A Dtouchscreen_dmi.c1 // SPDX-License-Identifier: GPL-2.0-or-later
24 /* The EFI embedded-fw code expects this to be the first member! */
33 PROPERTY_ENTRY_U32("touchscreen-size-x", 1850),
34 PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
35 PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
36 PROPERTY_ENTRY_BOOL("touchscreen-swapped-x-y"),
37 PROPERTY_ENTRY_BOOL("silead,home-button"),
38 PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-archos-101-cesium-educ.fw"),
48 PROPERTY_ENTRY_U32("touchscreen-size-x", 1850),
49 PROPERTY_ENTRY_U32("touchscreen-size-y", 1280),
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/linux/Documentation/input/devices/
H A Dsentelic.rst8 :Copyright: |copy| 2002-2011 Sentelic Corporation.
10 :Last update: Dec-07-2011
28 BYTE |---------------|BYTE |---------------|BYTE|---------------|BYTE|---------------|
29 1 |Y|X|y|x|1|M|R|L| 2 |X|X|X|X|X|X|X|X| 3 |Y|Y|Y|Y|Y|Y|Y|Y| 4 | | |B|F|W|W|W|W|
30 |---------------| |---------------| |---------------| |---------------|
32 Byte 1: Bit7 => Y overflow
33 Bit6 => X overflow
34 Bit5 => Y sign bit
35 Bit4 => X sign bit
40 Byte 2: X Movement(9-bit 2's complement integers)
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/linux/drivers/input/
H A Dtouchscreen.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Generic helper functions for touchscreens and other two-dimensional
39 if (!test_bit(axis, dev->absbit)) { in touchscreen_set_params()
40 dev_warn(&dev->dev, in touchscreen_set_params()
46 absinfo = &dev->absinfo[axis]; in touchscreen_set_params()
47 absinfo->minimum = min; in touchscreen_set_params()
48 absinfo->maximum = max; in touchscreen_set_params()
49 absinfo->fuzz = fuzz; in touchscreen_set_params()
53 * touchscreen_parse_properties - parse common touchscreen properties
56 * single-touch or multi-touch axes
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/linux/arch/sh/include/asm/
H A Dsfp-machine.h1 /* SPDX-License-Identifier: GPL-2.0+
3 * Machine-dependent software floating-point definitions.
29 #define _FP_MUL_MEAT_S(R,X,Y) \ argument
30 _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
31 #define _FP_MUL_MEAT_D(R,X,Y) \ argument
32 _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
33 #define _FP_MUL_MEAT_Q(R,X,Y) \ argument
34 _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
36 #define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv(S,R,X,Y) argument
37 #define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) argument
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/linux/drivers/input/rmi4/
H A Drmi_2d_sensor.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2011-2016 Synaptics Incorporated
16 #define RMI_2D_REL_POS_MIN -128
26 struct rmi_2d_axis_alignment *axis_align = &sensor->axis_align; in rmi_2d_sensor_abs_process()
29 if (obj->type == RMI_2D_OBJECT_NONE) in rmi_2d_sensor_abs_process()
32 if (axis_align->flip_x) in rmi_2d_sensor_abs_process()
33 obj->x = sensor->max_x - obj->x; in rmi_2d_sensor_abs_process()
35 if (axis_align->flip_y) in rmi_2d_sensor_abs_process()
36 obj->y = sensor->max_y - obj->y; in rmi_2d_sensor_abs_process()
38 if (axis_align->swap_axes) in rmi_2d_sensor_abs_process()
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