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lean on C Makro for sigfigs

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This commit is contained in:
Christoph Holtermann 2022-03-22 11:28:32 +01:00
parent d443df2bd0
commit 8ad35622f6
1 changed files with 10 additions and 4 deletions
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14
bindings/python/example_scripts/GncNumeric.py
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@ -53,10 +53,16 @@ print("Compare GncNumeric from string (2) to GncNumeric from int (3)")
print(g2, "==", g3, ":", g2 == g3)
print()
# Create from float with specified precision
print("Create from float with specified precision")
for n in range(0,20):
print(GncNumeric(n4, GNC_DENOM_AUTO, GNC_HOW_DENOM_SIGFIG | n * 0x100))
def GNC_HOW_DENOM_SIGFIGS(n):
"""Leaned on the C Macro"""
return GNC_HOW_DENOM_SIGFIG | (n << 8 & GNC_NUMERIC_SIGFIGS_MASK)
GNC_NUMERIC_SIGFIGS_MASK = 0x0000ff00
# Create from float with specified significant figures
print(f"Create from float (Example 4, ={n4}) with specified significant figures")
for sigfigs in range(0,20):
print(sigfigs, GncNumeric(n4, GNC_DENOM_AUTO, GNC_HOW_DENOM_SIGFIGS(sigfigs)))
print()
# Convert GncNumeric from float to remove errors