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make some files cppcheck clean

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This commit is contained in:
Ingo Weyrich
2020-07-15 23:26:16 +02:00
parent a3b33ac55d
commit 4395a1a0b1
5 changed files with 139 additions and 219 deletions
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50
rtengine/imagefloat.h
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@@ -109,35 +109,35 @@ public:
} tmp;
tmp.f = f;
int32_t sign = (tmp.i >> 16) & 0x00008000;
const int32_t lsign = (tmp.i >> 16) & 0x00008000;
int32_t exponent = ((tmp.i >> 23) & 0x000000ff) - (127 - 15);
int32_t mantissa = tmp.i & 0x007fffff;
int32_t mantissa = tmp.i & 0x007fffff;
if (exponent <= 0) {
if (exponent < -10) {
return (uint16_t)sign;
return (uint16_t)lsign;
}
mantissa = (mantissa | 0x00800000) >> (1 - exponent);
if (mantissa & 0x00001000)
mantissa += 0x00002000;
return (uint16_t)(sign | (mantissa >> 13));
return (uint16_t)(lsign | (mantissa >> 13));
} else if (exponent == 0xff - (127 - 15)) {
if (mantissa == 0) {
return (uint16_t)(sign | 0x7c00);
return (uint16_t)(lsign | 0x7c00);
} else {
return (uint16_t)(sign | 0x7c00 | (mantissa >> 13));
return (uint16_t)(lsign | 0x7c00 | (mantissa >> 13));
}
}
if (mantissa & 0x00001000) {
mantissa += 0x00002000;
if (mantissa & 0x00800000) {
mantissa = 0; // overflow in significand,
mantissa = 0; // overflow in significand,
exponent += 1; // adjust exponent
}
}
if (exponent > 30) {
return (uint16_t)(sign | 0x7c00); // infinity with the same sign as f.
return (uint16_t)(lsign | 0x7c00); // infinity with the same sign as f.
}
return (uint16_t)(sign | (exponent << 10) | (mantissa >> 13));
return (uint16_t)(lsign | (exponent << 10) | (mantissa >> 13));
}
// From DNG SDK dng_utils.h
@@ -148,13 +148,13 @@ public:
uint32_t i;
} tmp;
int32_t sign = (halfValue >> 15) & 0x00000001;
const int32_t lsign = (halfValue >> 15) & 0x00000001;
int32_t exponent = (halfValue >> 10) & 0x0000001f;
int32_t mantissa = halfValue & 0x000003ff;
int32_t mantissa = halfValue & 0x000003ff;
if (exponent == 0) {
if (mantissa == 0) {
// Plus or minus zero
tmp.i = (uint32_t) (sign << 31);
tmp.i = (uint32_t) (lsign << 31);
return tmp.f;
} else {
// Denormalized number -- renormalize it
@@ -168,7 +168,7 @@ public:
} else if (exponent == 31) {
if (mantissa == 0) {
// Positive or negative infinity, convert to maximum (16 bit) values.
tmp.i = (uint32_t)((sign << 31) | ((0x1eL + 127 - 15) << 23) | (0x3ffL << 13));
tmp.i = (uint32_t)((lsign << 31) | ((0x1eL + 127 - 15) << 23) | (0x3ffL << 13));
return tmp.f;
} else {
// Nan -- Just set to zero.
@@ -179,32 +179,32 @@ public:
exponent += (127 - 15);
mantissa <<= 13;
// Assemble sign, exponent and mantissa.
tmp.i = (uint32_t) ((sign << 31) | (exponent << 23) | mantissa);
tmp.i = (uint32_t) ((lsign << 31) | (exponent << 23) | mantissa);
return tmp.f;
}
inline uint32_t DNG_FP24ToFloat(const uint8_t * input)
{
int32_t sign = (input [0] >> 7) & 0x01;
int32_t exponent = (input [0] ) & 0x7F;
int32_t mantissa = (((int32_t) input [1]) << 8) | input[2];
const int32_t lsign = (input[0] >> 7) & 0x01;
int32_t exponent = input[0] & 0x7F;
int32_t mantissa = (((int32_t) input[1]) << 8) | input[2];
if (exponent == 0) {
if (mantissa == 0) {
// Plus or minus zero
return (uint32_t) (sign << 31);
return (uint32_t) (lsign << 31);
} else {
// Denormalized number -- renormalize it
while (!(mantissa & 0x00010000)) {
mantissa <<= 1;
exponent -= 1;
}
exponent += 1;
mantissa &= ~0x00010000;
mantissa <<= 1;
exponent -= 1;
}
exponent += 1;
mantissa &= ~0x00010000;
}
} else if (exponent == 127) {
if (mantissa == 0) {
// Positive or negative infinity, convert to maximum (24 bit) values.
return (uint32_t) ((sign << 31) | ((0x7eL + 128 - 64) << 23) | (0xffffL << 7));
return (uint32_t) ((lsign << 31) | ((0x7eL + 128 - 64) << 23) | (0xffffL << 7));
} else {
// Nan -- Just set to zero.
return 0;
@@ -214,7 +214,7 @@ public:
exponent += (128 - 64);
mantissa <<= 7;
// Assemble sign, exponent and mantissa.
return (uint32_t) ((sign << 31) | (exponent << 23) | mantissa);
return (uint32_t) ((lsign << 31) | (exponent << 23) | mantissa);
}
void normalizeFloat(float srcMinVal, float srcMaxVal) override;