Searched defs:mantissa (Results 1 - 25 of 61) sorted by relevance

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/external/mesa3d/src/mesa/drivers/dri/i965/
H A Dbrw_packed_float.c29 unsigned mantissa:23; member in struct:fu::__anon17112
44 unsigned mantissa = fu.s.mantissa >> (23 - 4); local
46 unsigned vf = (fu.s.sign << 7) | (exponent << 4) | mantissa;
52 /* Make sure the mantissa fits in 4-bits and the exponent in 3-bits. */
72 fu.s.mantissa = (vf & 0xf) << (23 - 4);
/external/crcalc/src/com/hp/creals/
H A DStringFloatRep.java43 mantissa = m;
52 * A string representation of the mantissa. The decimal point is implicitly
55 public String mantissa; field in class:StringFloatRep
61 * The mantissa is scaled by radix**exponent.
70 (sign < 0? "-" : "") + mantissa + "E" + Integer.toString(exponent)
/external/deqp/framework/delibs/debase/
H A DdeFloat16Test.c29 static float getFloat32 (deUint32 sign, deUint32 biased_exponent, deUint32 mantissa) argument
37 x.u = (sign << 31) | (biased_exponent << 23) | mantissa;
42 static deFloat16 getFloat16 (deUint16 sign, deUint16 biased_exponent, deUint16 mantissa) argument
44 return (deFloat16) ((sign << 15) | (biased_exponent << 10) | mantissa);
101 deUint32 mantissa = deRandom_getUint32(&rnd); local
103 mantissa &= 0x7fffffu; /* Take the last 23 bits */
104 mantissa |= (mantissa == 0); /* Make sure it is not zero */
106 DE_TEST_ASSERT(deFloat32To16RTZ(getFloat32(0, 0, mantissa)) == getFloat16(0, 0, 0));
107 DE_TEST_ASSERT(deFloat32To16RTZ(getFloat32(1, 0, mantissa))
120 deUint32 mantissa = deRandom_getUint32(&rnd); local
164 deUint32 mantissa = deRandom_getUint32(&rnd); local
181 deUint32 mantissa = deRandom_getUint32(&rnd); local
223 deUint32 mantissa = deRandom_getUint32(&rnd); local
241 deUint32 mantissa = deRandom_getUint32(&rnd); local
325 deUint32 mantissa = deRandom_getUint32(&rnd); local
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H A DdeFloat16.c32 deUint32 mantissa; local
42 mantissa = x.u & 0x007fffffu;
53 mantissa = mantissa | 0x00800000u;
55 /* Round mantissa to nearest (10+e) */
59 deUint32 b = (mantissa >> t) & 1u;
61 mantissa = (mantissa + a + b) >> t;
64 return (deFloat16) (sign | mantissa);
68 if (mantissa
148 deUint32 mantissa; local
263 deUint32 mantissa; local
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/external/mesa3d/src/mesa/main/
H A Dquerymatrix.c25 * GLbitfield glQueryMatrixxOES( GLfixed mantissa[16],
27 * mantissa[16] contains the contents of the current matrix in GLfixed
30 * is close to mantissa[i] * 2^exponent[i]. The function returns a status
42 _mesa_QueryMatrixxOES(GLfixed mantissa[16], GLint exponent[16]) argument
108 mantissa[i] = FLOAT_TO_FIXED(normalizedFraction);
123 mantissa[i] = INT_TO_FIXED(0);
133 mantissa[i] = INT_TO_FIXED(1);
136 mantissa[i] = -INT_TO_FIXED(1);
146 mantissa[i] = INT_TO_FIXED(2);
/external/nanopb-c/examples/using_double_on_avr/
H A Ddouble_conversion.c22 uint64_t mantissa; local
27 mantissa = in.i & 0x7FFFFF;
36 if (!mantissa)
44 mantissa <<= 1;
45 while (!(mantissa & 0x800000))
47 mantissa <<= 1;
50 mantissa &= 0x7FFFFF;
55 mantissa <<= 29;
56 mantissa |= (uint64_t)(exponent + 1023) << 52;
57 mantissa |
66 uint32_t mantissa; local
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/external/swiftshader/src/Common/
H A DHalf.cpp31 unsigned int mantissa = (abs & 0x007FFFFF) | 0x00800000; local
36 abs = mantissa >> e;
/external/mesa3d/src/util/
H A Dhalf_float.c38 * an even mantissa.
154 float mantissa = ((float) (m)) / 1024.0f; local
156 return sign * mantissa * half_denorm;
H A Dformat_r11g11b10f.h63 int mantissa = f32.ui & 0x007fffff; local
73 if (mantissa) {
91 mantissa >>= UF11_MANTISSA_SHIFT;
92 uf11 = exponent << UF11_EXPONENT_SHIFT | mantissa;
106 int mantissa = (val & 0x003f); local
111 if (mantissa != 0) {
113 f32.f = scale * mantissa;
116 f32.ui = F32_INFINITY | mantissa;
125 decimal = 1.0f + (float) mantissa / 64;
145 int mantissa local
188 int mantissa = (val & 0x001f); local
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/external/webrtc/webrtc/modules/rtp_rtcp/source/rtcp_packet/
H A Dtmmbr.cc36 uint32_t* mantissa,
38 // input_base10 = mantissa * 2^exp
49 *mantissa = (input_base10 >> exponent);
56 uint32_t mantissa = 0; local
58 ComputeMantissaAnd6bitBase2Exponent(bitrate_bps, 17, &mantissa, &exp);
61 AssignUWord8(buffer, pos, (exp << 2) + ((mantissa >> 15) & 0x03));
62 AssignUWord8(buffer, pos, mantissa >> 7);
63 AssignUWord8(buffer, pos, (mantissa << 1) +
34 ComputeMantissaAnd6bitBase2Exponent(uint32_t input_base10, uint8_t bits_mantissa, uint32_t* mantissa, uint8_t* exp) argument
H A Dtmmbn.cc34 uint32_t* mantissa,
36 // input_base10 = mantissa * 2^exp
47 *mantissa = (input_base10 >> exponent);
54 uint32_t mantissa = 0; local
56 ComputeMantissaAnd6bitBase2Exponent(bitrate_bps, 17, &mantissa, &exp);
59 AssignUWord8(buffer, pos, (exp << 2) + ((mantissa >> 15) & 0x03));
60 AssignUWord8(buffer, pos, mantissa >> 7);
61 AssignUWord8(buffer, pos, (mantissa << 1) +
32 ComputeMantissaAnd6bitBase2Exponent(uint32_t input_base10, uint8_t bits_mantissa, uint32_t* mantissa, uint8_t* exp) argument
/external/aac/libSBRdec/src/
H A Dtranscendent.h132 \brief Add two values given by mantissa and exponent.
154 for compensation, the mantissa is shifted right. */
193 for compensation, the mantissa is shifted right. */
217 \brief Divide two values given by mantissa and exponent.
247 - skip first bit of mantissa, because this is always the same (>0.5)
270 /* Fetch inversed mantissa from table: */
303 - skip first bit of mantissa, because this is always the same (>0.5)
326 /* Fetch inversed mantissa from table: */
339 \brief Calculate the squareroot of a number given by mantissa and exponent
349 FIXP_DBL *mantissa, /*!< Pointe
348 FDK_sqrt_MantExp( FIXP_DBL *mantissa, SCHAR *exponent, const SCHAR *destScale) argument
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H A Denv_dec.cpp676 This function calculates a mantissa corresponding to the fractional
688 FIXP_SGL mantissa; local
716 mantissa = 0.5f;
718 /* Amplify mantissa according to the fractional part of the
726 multiply mantissa with the corresponding factor: */
727 mantissa = (FIXP_SGL)((mantissa * pow2[bit]) << 1);
738 by the shift. This will be compensated by a mantissa of 0.5*sqrt(2)
740 mantissa = (exponent & ampShift) ? FL2FXCONST_SGL(0.707106781186548f)
752 /* Combine mantissa an
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/external/adhd/cras/src/dsp/
H A Ddrc_math.h25 unsigned int mantissa:23; member in struct:ieee754_float::__anon730
/external/icu/icu4c/source/i18n/
H A Dprecision.cpp261 int64_t mantissa,
273 if (mantissa > -1000000000000000000LL /* -1e18 */
274 && mantissa < 1000000000000000000LL /* 1e18 */) {
275 digits.fAbsIntValue = mantissa;
287 if (mantissa == 0) {
293 while (mantissa % 10 == 0) {
294 mantissa /= 10;
297 if (mantissa < 0) {
298 digits.fDigits.append((char) -(mantissa % -10), status);
299 mantissa /
260 initVisibleDigits( int64_t mantissa, int32_t exponent, VisibleDigits &digits, UErrorCode &status) const argument
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/external/mesa3d/src/gallium/drivers/r300/compiler/
H A Dradeon_inline_literals.c39 * 22:0 mantissa
44 * 0:2 mantissa
51 unsigned mantissa = float_bits & 0x007fffff; local
66 if (mantissa & mantissa_mask) {
69 mantissa, mantissa_mask,
70 mantissa & mantissa_mask);
75 r300_mantissa = (mantissa & ~mantissa_mask) >> 20;
/external/v8/tools/
H A Dgenerate-ten-powers.scm88 (define (generate-powers from to mantissa-size)
89 (let* ((nb-bits mantissa-size)
97 ;; want to create the matissa of 1/ten^i. However the mantissa must be
118 ;; start with 1.0. mantissa: 10...0 (1 followed by nb-bits-1 bits)
229 (define *mantissa-size* #f)
245 (("--mantissa-size" ?size (help "Container-size in bits"))
246 (set! *mantissa-size* (string->number size)))
264 (when (not *mantissa-size*)
266 "Missing mantissa size"
273 (let ((dividers (generate-powers *from* *to* *mantissa
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/external/vixl/src/
H A Dutils-vixl.cc97 float FloatPack(uint32_t sign, uint32_t exp, uint32_t mantissa) { argument
98 uint32_t bits = (sign << 31) | (exp << 23) | mantissa;
103 double DoublePack(uint64_t sign, uint64_t exp, uint64_t mantissa) { argument
104 uint64_t bits = (sign << 63) | (exp << 52) | mantissa;
115 uint16_t mantissa = value & mantissa_mask; local
117 if (mantissa == 0) {
122 if (mantissa == 0) {
/external/deqp/framework/common/
H A DtcuFloat.hpp75 * \param mantissa Mantissa bits with implicit leading bit explicitly set
79 * The normally implicit leading bit of the mantissa must be explicitly set.
81 * values are specified with the leading mantissa bit of zero and the lowest
83 * mantissa set to zero is a shorthand notation for the correctly signed
85 * exponent of ExponentBias+1 and the appropriate mantissa (with leading
88 static inline Float construct (int sign, int exponent, StorageType mantissa);
94 * \param mantissa Mantissa bits
115 inline StorageType mantissa (void) const { return isZero() || isDenorm() ? mantissaBits() : (mantissaBits() | (StorageType(1)<<MantissaBits)); } function in class:tcu::Float
206 (int sign, int exponent, StorageType mantissa)
209 const bool isShorthandZero = exponent == 0 && mantissa
205 construct(int sign, int exponent, StorageType mantissa) argument
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/external/google-benchmark/src/
H A Dstring_util.cc31 double one_k, std::string* mantissa,
57 *mantissa = mantissa_stream.str();
72 *mantissa = mantissa_stream.str();
83 *mantissa = mantissa_stream.str();
102 std::string mantissa; local
104 ToExponentAndMantissa(value, threshold, precision, one_k, &mantissa,
106 return mantissa + ExponentToPrefix(exponent, false);
30 ToExponentAndMantissa(double val, double thresh, int precision, double one_k, std::string* mantissa, int64_t* exponent) argument
/external/libcxx/utils/google-benchmark/src/
H A Dstring_util.cc31 double one_k, std::string* mantissa,
57 *mantissa = mantissa_stream.str();
72 *mantissa = mantissa_stream.str();
83 *mantissa = mantissa_stream.str();
102 std::string mantissa; local
104 ToExponentAndMantissa(value, threshold, precision, one_k, &mantissa,
106 return mantissa + ExponentToPrefix(exponent, false);
30 ToExponentAndMantissa(double val, double thresh, int precision, double one_k, std::string* mantissa, int64_t* exponent) argument
/external/mesa3d/src/mesa/program/
H A Dprog_execute.c754 GLfloat mantissa = frexpf(t[0], &exponent); local
756 q[1] = 2.0F * mantissa; /* map [.5, 1) -> [1, 2) */
/external/deqp/modules/gles3/functional/
H A Des3fShaderPackingFunctionTests.cpp564 const deUint32 mantissa = rnd.getUint32() & ((1<<23)-1); local
566 v[c] = tcu::Float32::construct(s, exp ? exp : 1 /* avoid denormals */, (1u<<23) | mantissa).asFloat();
670 const deUint32 mantissa = rnd.getUint32() & ((1<<mantBits)-1); local
671 const deUint16 value = tcu::Float16::construct(s, exp ? exp : 1 /* avoid denorm */, (deUint16)((1u<<10) | mantissa)).bits();
/external/mesa3d/src/gallium/auxiliary/gallivm/
H A Dlp_bld_conv.c228 * secondly, even if there was, since the FP's mantissa takes only a fraction
247 unsigned mantissa; local
253 mantissa = lp_mantissa(src_type);
255 if (dst_width <= mantissa) {
258 * in the lowest significant bits of the mantissa, with correct rounding.
260 * This only works if the destination width fits in the mantissa.
271 bias = (double)(1ULL << (mantissa - dst_width));
280 else if (dst_width == (mantissa + 1)) {
283 * floating point (i.e., mantissa + 1 bits). Even so correct rounding
310 * and (mantissa
375 unsigned mantissa; local
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/external/deqp/external/vulkancts/modules/vulkan/shaderexecutor/
H A DvktShaderPackingFunctionTests.cpp636 const deUint32 mantissa = rnd.getUint32() & ((1<<23)-1); local
638 v[c] = tcu::Float32::construct(s, exp ? exp : 1 /* avoid denormals */, (1u<<23) | mantissa).asFloat();
757 const deUint32 mantissa = rnd.getUint32() & ((1<<mantBits)-1); local
758 const deUint16 value = tcu::Float16::construct(s, exp ? exp : 1 /* avoid denorm */, (deUint16)((1u<<10) | mantissa)).bits();

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