diff options
Diffstat (limited to 'util/double-conversion/bignum-dtoa.cc')
| -rw-r--r-- | util/double-conversion/bignum-dtoa.cc | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/util/double-conversion/bignum-dtoa.cc b/util/double-conversion/bignum-dtoa.cc index f1ad7a5..15123e6 100644 --- a/util/double-conversion/bignum-dtoa.cc +++ b/util/double-conversion/bignum-dtoa.cc @@ -25,7 +25,7 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -#include <math.h> +#include <cmath> #include "bignum-dtoa.h" @@ -35,7 +35,7 @@ namespace double_conversion { static int NormalizedExponent(uint64_t significand, int exponent) { - ASSERT(significand != 0); + DOUBLE_CONVERSION_ASSERT(significand != 0); while ((significand & Double::kHiddenBit) == 0) { significand = significand << 1; exponent = exponent - 1; @@ -76,26 +76,26 @@ static void GenerateShortestDigits(Bignum* numerator, Bignum* denominator, // Generates 'requested_digits' after the decimal point. static void BignumToFixed(int requested_digits, int* decimal_point, Bignum* numerator, Bignum* denominator, - Vector<char>(buffer), int* length); + Vector<char> buffer, int* length); // Generates 'count' digits of numerator/denominator. // Once 'count' digits have been produced rounds the result depending on the // remainder (remainders of exactly .5 round upwards). Might update the // decimal_point when rounding up (for example for 0.9999). static void GenerateCountedDigits(int count, int* decimal_point, Bignum* numerator, Bignum* denominator, - Vector<char>(buffer), int* length); + Vector<char> buffer, int* length); void BignumDtoa(double v, BignumDtoaMode mode, int requested_digits, Vector<char> buffer, int* length, int* decimal_point) { - ASSERT(v > 0); - ASSERT(!Double(v).IsSpecial()); + DOUBLE_CONVERSION_ASSERT(v > 0); + DOUBLE_CONVERSION_ASSERT(!Double(v).IsSpecial()); uint64_t significand; int exponent; bool lower_boundary_is_closer; if (mode == BIGNUM_DTOA_SHORTEST_SINGLE) { float f = static_cast<float>(v); - ASSERT(f == v); + DOUBLE_CONVERSION_ASSERT(f == v); significand = Single(f).Significand(); exponent = Single(f).Exponent(); lower_boundary_is_closer = Single(f).LowerBoundaryIsCloser(); @@ -134,7 +134,7 @@ void BignumDtoa(double v, BignumDtoaMode mode, int requested_digits, // 4e-324. In this case the denominator needs fewer than 324*4 binary digits. // The maximum double is 1.7976931348623157e308 which needs fewer than // 308*4 binary digits. - ASSERT(Bignum::kMaxSignificantBits >= 324*4); + DOUBLE_CONVERSION_ASSERT(Bignum::kMaxSignificantBits >= 324*4); InitialScaledStartValues(significand, exponent, lower_boundary_is_closer, estimated_power, need_boundary_deltas, &numerator, &denominator, @@ -163,7 +163,7 @@ void BignumDtoa(double v, BignumDtoaMode mode, int requested_digits, buffer, length); break; default: - UNREACHABLE(); + DOUBLE_CONVERSION_UNREACHABLE(); } buffer[*length] = '\0'; } @@ -195,7 +195,7 @@ static void GenerateShortestDigits(Bignum* numerator, Bignum* denominator, for (;;) { uint16_t digit; digit = numerator->DivideModuloIntBignum(*denominator); - ASSERT(digit <= 9); // digit is a uint16_t and therefore always positive. + DOUBLE_CONVERSION_ASSERT(digit <= 9); // digit is a uint16_t and therefore always positive. // digit = numerator / denominator (integer division). // numerator = numerator % denominator. buffer[(*length)++] = static_cast<char>(digit + '0'); @@ -241,7 +241,7 @@ static void GenerateShortestDigits(Bignum* numerator, Bignum* denominator, // loop would have stopped earlier. // We still have an assert here in case the preconditions were not // satisfied. - ASSERT(buffer[(*length) - 1] != '9'); + DOUBLE_CONVERSION_ASSERT(buffer[(*length) - 1] != '9'); buffer[(*length) - 1]++; } else { // Halfway case. @@ -252,7 +252,7 @@ static void GenerateShortestDigits(Bignum* numerator, Bignum* denominator, if ((buffer[(*length) - 1] - '0') % 2 == 0) { // Round down => Do nothing. } else { - ASSERT(buffer[(*length) - 1] != '9'); + DOUBLE_CONVERSION_ASSERT(buffer[(*length) - 1] != '9'); buffer[(*length) - 1]++; } } @@ -264,9 +264,9 @@ static void GenerateShortestDigits(Bignum* numerator, Bignum* denominator, // Round up. // Note again that the last digit could not be '9' since this would have // stopped the loop earlier. - // We still have an ASSERT here, in case the preconditions were not + // We still have an DOUBLE_CONVERSION_ASSERT here, in case the preconditions were not // satisfied. - ASSERT(buffer[(*length) -1] != '9'); + DOUBLE_CONVERSION_ASSERT(buffer[(*length) -1] != '9'); buffer[(*length) - 1]++; return; } @@ -276,18 +276,18 @@ static void GenerateShortestDigits(Bignum* numerator, Bignum* denominator, // Let v = numerator / denominator < 10. // Then we generate 'count' digits of d = x.xxxxx... (without the decimal point) -// from left to right. Once 'count' digits have been produced we decide wether +// from left to right. Once 'count' digits have been produced we decide whether // to round up or down. Remainders of exactly .5 round upwards. Numbers such // as 9.999999 propagate a carry all the way, and change the // exponent (decimal_point), when rounding upwards. static void GenerateCountedDigits(int count, int* decimal_point, Bignum* numerator, Bignum* denominator, Vector<char> buffer, int* length) { - ASSERT(count >= 0); + DOUBLE_CONVERSION_ASSERT(count >= 0); for (int i = 0; i < count - 1; ++i) { uint16_t digit; digit = numerator->DivideModuloIntBignum(*denominator); - ASSERT(digit <= 9); // digit is a uint16_t and therefore always positive. + DOUBLE_CONVERSION_ASSERT(digit <= 9); // digit is a uint16_t and therefore always positive. // digit = numerator / denominator (integer division). // numerator = numerator % denominator. buffer[i] = static_cast<char>(digit + '0'); @@ -300,7 +300,7 @@ static void GenerateCountedDigits(int count, int* decimal_point, if (Bignum::PlusCompare(*numerator, *numerator, *denominator) >= 0) { digit++; } - ASSERT(digit <= 10); + DOUBLE_CONVERSION_ASSERT(digit <= 10); buffer[count - 1] = static_cast<char>(digit + '0'); // Correct bad digits (in case we had a sequence of '9's). Propagate the // carry until we hat a non-'9' or til we reach the first digit. @@ -325,7 +325,7 @@ static void GenerateCountedDigits(int count, int* decimal_point, // Input verifies: 1 <= (numerator + delta) / denominator < 10. static void BignumToFixed(int requested_digits, int* decimal_point, Bignum* numerator, Bignum* denominator, - Vector<char>(buffer), int* length) { + Vector<char> buffer, int* length) { // Note that we have to look at more than just the requested_digits, since // a number could be rounded up. Example: v=0.5 with requested_digits=0. // Even though the power of v equals 0 we can't just stop here. @@ -341,7 +341,7 @@ static void BignumToFixed(int requested_digits, int* decimal_point, } else if (-(*decimal_point) == requested_digits) { // We only need to verify if the number rounds down or up. // Ex: 0.04 and 0.06 with requested_digits == 1. - ASSERT(*decimal_point == -requested_digits); + DOUBLE_CONVERSION_ASSERT(*decimal_point == -requested_digits); // Initially the fraction lies in range (1, 10]. Multiply the denominator // by 10 so that we can compare more easily. denominator->Times10(); @@ -370,7 +370,7 @@ static void BignumToFixed(int requested_digits, int* decimal_point, // Returns an estimation of k such that 10^(k-1) <= v < 10^k where // v = f * 2^exponent and 2^52 <= f < 2^53. // v is hence a normalized double with the given exponent. The output is an -// approximation for the exponent of the decimal approimation .digits * 10^k. +// approximation for the exponent of the decimal approximation .digits * 10^k. // // The result might undershoot by 1 in which case 10^k <= v < 10^k+1. // Note: this property holds for v's upper boundary m+ too. @@ -420,7 +420,7 @@ static void InitialScaledStartValuesPositiveExponent( Bignum* numerator, Bignum* denominator, Bignum* delta_minus, Bignum* delta_plus) { // A positive exponent implies a positive power. - ASSERT(estimated_power >= 0); + DOUBLE_CONVERSION_ASSERT(estimated_power >= 0); // Since the estimated_power is positive we simply multiply the denominator // by 10^estimated_power. @@ -506,7 +506,7 @@ static void InitialScaledStartValuesNegativeExponentNegativePower( // numerator = v * 10^-estimated_power * 2 * 2^-exponent. // Remember: numerator has been abused as power_ten. So no need to assign it // to itself. - ASSERT(numerator == power_ten); + DOUBLE_CONVERSION_ASSERT(numerator == power_ten); numerator->MultiplyByUInt64(significand); // denominator = 2 * 2^-exponent with exponent < 0. @@ -548,7 +548,7 @@ static void InitialScaledStartValuesNegativeExponentNegativePower( // // Let ep == estimated_power, then the returned values will satisfy: // v / 10^ep = numerator / denominator. -// v's boundarys m- and m+: +// v's boundaries m- and m+: // m- / 10^ep == v / 10^ep - delta_minus / denominator // m+ / 10^ep == v / 10^ep + delta_plus / denominator // Or in other words: |