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Code Issues 1 Releases Wiki Activity

Fix some typos and update comments.

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This commit is contained in:
Calvin Rose 2019-01-02 12:21:59 -05:00
parent 618f8d6818
commit 122312dbf6
2 changed files with 12 additions and 13 deletions
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8
src/core/string.c
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@ -164,7 +164,7 @@ static void integer_to_string_b(JanetBuffer *buffer, int32_t x) {
#define HEX(i) (((uint8_t *) janet_base64)[(i)])
/* Returns a string description for a pointer. Truncates
* title to 12 characters */
* title to 32 characters */
static int32_t string_description_impl(uint8_t *buf, const char *title, void *pointer) {
uint8_t *c = buf;
int32_t i;
@ -607,7 +607,7 @@ JanetBuffer *janet_pretty(JanetBuffer *buffer, int depth, Janet x) {
}
/* Helper function for formatting strings. Useful for generating error messages and the like.
* Similiar to printf, but specialized for operating with janet. */
* Similar to printf, but specialized for operating with janet. */
const uint8_t *janet_formatc(const char *format, ...) {
va_list args;
int32_t len = 0;
@ -1246,7 +1246,7 @@ static const JanetReg cfuns[] = {
},
{"string/replace", cfun_replace,
"(string/replace patt subst str)\n\n"
"Replace the first occurrence of patt with subst in the the string str. "
"Replace the first occurrence of patt with subst in the string str. "
"Will return the new string if patt is found, otherwise returns str."
},
{"string/replace-all", cfun_replaceall,
@ -1287,7 +1287,7 @@ static const JanetReg cfuns[] = {
},
{"string/pretty", cfun_pretty,
"(string/pretty x [,depth=4 [,buffer=@\"\"]])\n\n"
"Pretty prints a value to a buffer. Optionally allwos setting max "
"Pretty prints a value to a buffer. Optionally allows setting max "
"recursion depth, as well as writing to a buffer. Returns the buffer."
},
{NULL, NULL, NULL}

17
src/core/strtod.c
View File

@ -104,7 +104,8 @@ static void bignat_append(struct BigNat *mant, uint32_t dig) {
}
/* Multiply the mantissa mant by a factor and the add a term
* in one operation. Both factor and term will be between 2 and 36. */
* in one operation. factor will be between 2 and 36^4,
* term will be between 0 and 36. */
static void bignat_muladd(struct BigNat *mant, uint32_t factor, uint32_t term) {
int32_t i;
uint64_t carry = ((uint64_t) mant->first_digit) * factor + term;
@ -215,10 +216,9 @@ static double convert(
* Get exponent to zero while holding X constant. */
/* Positive exponents are simple */
while (exponent > 0) {
bignat_muladd(mant, base, 0);
exponent--;
}
for (;exponent > 3; exponent -= 4) bignat_muladd(mant, base * base * base * base, 0);
for (;exponent > 1; exponent -= 2) bignat_muladd(mant, base * base, 0);
for (;exponent > 0; exponent -= 1) bignat_muladd(mant, base, 0);
/* Negative exponents are tricky - we don't want to loose bits
* from integer division, so we need to premultiply. */
@ -226,10 +226,9 @@ static double convert(
int32_t shamt = 5 - exponent / 4;
bignat_lshift_n(mant, shamt);
exponent2 -= shamt * BIGNAT_NBIT;
while (exponent < 0) {
bignat_div(mant, base);
exponent++;
}
for (;exponent < -3; exponent += 4) bignat_div(mant, base * base * base * base);
for (;exponent < -2; exponent += 2) bignat_div(mant, base * base);
for (;exponent < 0; exponent += 1) bignat_div(mant, base);
}
return negative